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- NGK B8ES Spark Plug (2411)
- £3.84 £3.20 (Exc. VAT) (Exc. VAT) (Inc. VAT) (Inc. VAT)
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NGK Spark Plugs
NGK copper core spark plugs deliver increased heat dissipation for more reliable starts and reduced risk of overheating.- Cold-rolled threads prevent cross-threading and damage to cylinder heads
- Trivalent plating eliminates need for anti-seize
- High-grade alumina silicate ceramic
NGK are the worlds number 1 motorcycle OEM fitted spark plug.From passenger cars and bikes to Formula 1 and motorcycle racing, NGK Spark Plugs has established itself as a heavily relied upon original equipment manufacturer (OEM). With its clear commitment to delivering the highest quality and continuously raising the bar, NGK Spark Plugs is the obvious brand of choice for a wide range of vehicle manufacturers.
Manufacturer Part No. (MPN): 2411
Barcode: 087295124116
| Box Qty: | SINGLES |
| Gap: | 0.5mm |
| Material: | Standard |
Fitment Summary
Compatible with 3,112 models (yearly).
- Acossato: CE 125 Cross, CE 125 Enduro
- Adly: RS 300
- Aermacchi HD: GT 350, GT 350 Sprint, SX 350, TV 350
- AJS: JSM 50, JSM 50 Motard
- Alfer: AR 250, GR 250 Enduro, GR 300 Enduro, TX 300, VR 250 Enduro, VR 250 No Limits, VR 2000 250 Enduro, VR 2000 250 Supermotard
- Ancillotti: GR 250 Enduro, MC 125, MC 80, MC 80 Cross, PS 80MX, PST 125MX
- Aprilia: AF1 50 Europa, AF1 50 Extrema, AF1 50 Extrema Projet Replica Sintesi, AF1 50 Sports, Classic 50, Climber 275, Climber 276, Compay 50 Custom, ETX 125, ETX 150, MX 125 Cross, MX 125 Motard, Red Rose Classic 50R16, Red Rose Classic 50XL, RS 125, RS 125 123 Rotax, RS 125 Extrema, RS 125 Extrema Replica, RS 125 R Replica, RS 125 Replica, RS 125 SP Sport Production, RS 125 Tuono, RS 50, RS 50 Extrema, RS 50 Replica, RS4 50, RS4 504T, RS4 50CHF, RS4 50 F FA, RS4 50K1, RS4 50 Replica, RS4 50 Replica SBK, RS4 50X, RX 125, RX 125R, RX 50, RX 50 Factory, Scarabeo 150PC, Scarabeo 50, Scarabeo 504T, Scarabeo 50 4T E2, Scarabeo 504V, Scarabeo 50DD, Scarabeo 50 Ditech, Scarabeo 50 Restyling, Scarabeo 50 Street, Scarabeo 50 Street 4T, SR 125 PX125 K4740, SR 125 Racing, SX 125E4, SX 125MY, Tuareg 125, Tuareg 125 Rally
- ATK (USA): 250 Rotax, 406 Rotax
- ATU: Meteorit 50 Edition, Meteorit 50R, Meteorit 50Yup
- Beeline: SM 50, SMX 50, SX 50
- Benelli: 125, 125 Jarno, 2C 250 Twin Cyl, Leoncino 250, TS 251
- Beta: Alp 240, Alp 250, CR 250, CRRV 250, Evo 80 Junior, Evo 80 Senior, R10 50 19mm reach spark plug, R12 50 19mm reach spark plug, RR 250 Enduro, RR 250 Racing, RR 250 X Pro, RX 250, Sincro 125 Trials, Sincro 200 Trials, Sincro 250 Trials, Sincro 300 Trials, Super Trial 240, Supertrial 50, Synt 125, Techno 200 Trial, Techno 250 Trial, Techno 270 Trial, TR 125, TR32 125, TR33 125, TR34 125, TR34 250, TR34 250 Professional, TR34 260, TR35 250, Zero 125, Zero 50
- BMW: R50 500, R50 500/ 2, R50 500/ 5, R50 500S
- BSA: A65 650, A65 6501T, A65 6502H, A65 6502S, A65 650FB, A65 650 Firebird Scrambler, A65 650 Hornet, A65 650L, A65 650 Lightning, A65 650 Lightning Rocket, A65 650R, A65 650 Rocket, A65 650 Rocket GS, A65 650 Spitfire, A65 650 Star Twin, A65 650 Thunderbolt, A75 750, A75 750R, A75 750 Rocket, A75 750 Rocket Three, B25 250, B25 250 Fleetstar, B25 250 Shooting Star, B25 250 Starfire, B25R 250, B25SS 250 Street Scrambler, B25T 250 Victor Trial, B50 500 Gold Star, B50SS 500 Street Scrambler, B50T 500 Victor Trial, C15 250, C15 250A, C15 250B, C15 250C, C25 250, Rambler 175, Royal Star 500, Scrambler 650new, SS80 250 Gold Star, Tracker 175, Trials 175
- Buffalo: Alpino 50AC
- Bultaco: Pursang 175MK6, Pursang 200MK6, Pursang 200MK9, Pursang 250 MK10, Pursang 250 MK11, Pursang 250 MK12, Pursang 250MK6, Pursang 250MK7, Pursang 250MK8, Pursang 250MK9, Pursang 350MK6, Pursang 360MK7, Pursang 360MK8, Pursang 370 MK10, Pursang 370 MK11, Pursang 370 MK12, Pursang 370MK9
- Cagiva: ALA Blu 250, ALA Blue 350, Ala Rossa 250, ALA Rossa 350 Trail, ALA Verde 350, Blues 502T, Cocis 502T, Cocis 802T, K3 502T, Prima 502T, Prima 802T, Stella 502T, Super City 502T, SuperCity 802T, W4 50 Pro Action, W4 80 Pro Action, WMX 502T
- CH Racing: WSM 50, WXE 50, WXE 50GP, WXE 50 S-Line
- Derbi: Box 50, GPR 125 Nude, GPR 125 Racing, GPR 50, GPR 50 Nude, GPR 50R, GPR 50 Racing, GPR 50RR, Lobito 50AC, Lobito 50LC, Paddock 50LC, Predator 50, Predator 50AC, Predator 50LC, Runner 50 Blacksoul, Senda 50R, Senda 50 Racing, Senda 50SM, Senda 50 X-Treme, Sonar 502T, Variant 50, Variant 50 Sport
- Fantic: Casa 250 Competizione, Cross 80 Competition, Koala 50, Koala 50 Casa, Koala 80, Motard 50, Motard 50 Competizione, TF 250, TF 250ES, TR 250 ES Enduro 6 Day, Trial 300 Progress 2, Trial 301FM, Trial 301 Progress 2, Trial 303 FM 364, Trial 305, Trial 350, Trials 307, Trials 300 300ES, TX180 50 Flat Track, TX180 50 Motard Casa, TX180 50 Motard Competizione, TX180 50 Regolarita Casa, TX180 50 Regolarita Competizione, TX180 50 Regolarita Scuderia, TX180 50 Scrambler, TX180M 50 Motard Casa, TZ 250 Caballero, TZ 250 Cabellero, TZ 300 Caballero Regolarita Scuderia, XE 300 Enduro
- GasGas: HP 300RV, HP 300 Wild, MC 250, MC 250F, MC 250 F 4T, XC 200
- Gilera: GR1 125, SC 125
- Harley-Davidson: M50 50, M65 65, MC65 65, MSR 100, MT 350, RR250 250, Sprint 250, Sprint 350
- Harley-Davidson AMF: SS 250, SS 350, SST 250, SST 350, SX 250, SX 350
- Hercules: W2000 300 Wankel, XE9 80
- Honda: CB250 G5, CB250 K, CB250 K0, CB250 K1, CB250 K2, CB250 K3, CB360 G5, CB360 K1, CB360 K2, CB500 T, CJ360 T, CL350 Scrambler, CL450 , CR450 RB, CRE450 F-R, CRE450 F-X, CRM250 RK, CRM250 RL, CRM250 RM, CRM250 RN, CRM250 RP, CRM250 RR, CRM250 RS, CRM250 RT, CRM250 RV, CRM250 RW, CRM250 RX, CRM50 RN, CRM50 RP, CRM50 RS, CRM50 RT, CRM50 RV, CRM80 R, FES125 Pantheon, FES150 Y, FL250 Odyssey, FL350 R, MBX125 R, MR175 , MTX125 R, MTX125 R2, MTX125 RF, MTX125 RWD, MTX125 RWF, MTX80 C, MTX80 R2, MTX80 RFC, MTX80 RFD, MTX80 RFE, MTX80 RFF, NS250 RE, NS250 RG, NS250 RH, NSR80 R, SL350 K0, SL350 K1, SL350 K2, SL350 K3, TLM50 Trail, TRX350 A
- HRD: Sonic 2 50
- Husaberg: TE 350
- Husqvarna: CR 250, CR 360, CR 430, RC 125, RC 250, RC 390, TC 250, TE 125, WR 240, WR 250, WR 300, WR 360, WR 400F, WR 430, WR 430AE, WRE 430, XC 250, XC 500
- Keeway: TX 50 X-Ray
- Kreidler: TM 50, Vabene 50
- Laverda: 1000, 10003C, 1000EC, 1200, 750, Custom 1252T, GS 125 Lesmo, GT 750, GT 750 inc American Eagle, GTL 750, GTL 750 inc American Eagle, Jota 1000, LX 1252T, LZ 125 Sport, Mirage 1200TS, RGA 1000, RGA 1000 Jota, RGS 1000, RGS 1000 Corsa, RGS 1000 Executive, SF 750, SFC 750, SFC 750 Elektronica, SFC3 1000, TS 1200
- LEM: RX 65
- Lexmoto: LSM 50
- Longjia: MBX 300, Vbob 650i, Vmax 300, XDV 300i
- Malaguti: Drakon 50 Naked, JX 50
- Malanca: GT5 125, GTI 125, Mark 125 Enduro, OB 125One, ST54 125
- Matchless: G50 500
- MBP: TRK 1002V
- Kawasaki: AE 125A1, AE 125A2, AE 125A3, AE 125A4, AE 125A5, AE 125A6, AE 125A7, AE 125A8, AE 125A9, AE 125B1, AE 125B2, AR 125LC, GPZ 1100A1, GPZ 1100A2, GPZ 1100A3, GPZ 1100B1, GPZ 1100B2, GT 750P1, GT 750P2, GT 750P3, GT 750P4, GT 750P5, GT 750P6, GT 750P7, GT 750P8, GT 750P9, KC 100C, KDX 125 A B1, KDX 125 A B2, KDX 200H, KDX 220R, KDX 250B1, KDX 250B2, KDX 250B3, KDX 250B4, KDX 250C1, KDX 250C2, KDX 250C3, KDX 400, KDX 420A1, KDX 450A1, KDX 80, KE 100A, KE 100B, KE 125A7, KE 125A8, KE 250B1, KE 250B2, KE 250B3, KH 100A, KH 100G, KH 125A1, KH 125A2, KH 125A3, KH 125A4, KH 125A5, KH 125K1, KH 125K10, KH 125K11, KH 125K12, KH 125K13, KH 125K14, KH 125K15, KH 125K16, KH 125K17, KH 125K2, KH 125K3, KH 125K4, KH 125K5, KH 125K6, KH 125K7, KH 125K8, KH 125K9, KL 250A C, KMX 125/ 1, KMX 125A1, KMX 125A2, KMX 125A3, KMX 125A4, KMX 125A5, KMX 125A6, KMX 125B10, KMX 125B11, KMX 125B12, KMX 125B2, KMX 125B3, KMX 125B4, KMX 125B5, KMX 125B6, KMX 125B7, KMX 125B8, KMX 125B9, KMX 200A, KV 250, KX 250C1, KX 250C2, KX 250D1, KX 250K1, KX 250K2, KX 250K3, KX 250K4, KX 250K5, KX 250L1, KX 250L2, KX 250L3, KX 250L4, KX 250M1, KX 250M2, KX 500B1, KX 500B2, KX 500C1, KX 500D1, KX 500E1, KX 500E10, KX 500E11, KX 500E12, KX 500E13, KX 500E14, KX 500E15, KX 500E16, KX 500E2, KX 500E3, KX 500E4, KX 500E5, KX 500E6, KX 500E7, KX 500E8, KX 500E9, KX 80B1, KX 80B2, KXT 250 Tecate, Z 1000A1, Z 1000A2, Z 1000A3, Z 1000A4, Z 1000B1, Z 1000B2, Z 1000B3, Z 1000B4, Z 1000D1, Z 1000D2, Z 1000D3, Z 1000E1, Z 1000E2, Z 1000E3, Z 1000G1, Z 1000H1, Z 1000H2, Z 1000J1, Z 1000J2, Z 1000J3, Z 1000K1, Z 1000K2, Z 1000M1, Z 1000M2, Z 1000MK2, Z 1000R1, Z 1000R2, Z 1000R3, Z 1100A1, Z 1100A2, Z 1100A3, Z 1100B1, Z 1100B2, Z 1100D1, Z 1100D2, Z 1100L1, Z 1100R1, Z 1100R2, Z 1300A1, Z 400D1, Z 400D2, Z 400D3, Z 400D4, Z 700A1, Z 750B1, Z 750B2, Z 750B3, Z 750B4, Z 750D1, Z 750D2, Z 750E1, Z 750E2, Z 750F1, Z 750G1, Z 750GP, Z 750H1, Z 750L1, Z 750L2, Z 750L3, Z 750M1, Z 750N, Z 750N1, Z 750N2, Z 750R1, Z 750S1, Z 900A4, Z 900A5, Z 900B1, Z1 900, Z1A 900, Z1B 900, ZN 1100B, ZN 700A1, ZN 700A2
- Moto Guzzi: Breva 750, Breva 750 Touring, GTS 3504C, Nevada 350, Nevada 750, Nevada 750 Anniversario, Nevada 750 Aquila Nera, Nevada 750 Classic, Nevada 750 Club, NTX 750 Adv., TS 250, Turismo 125CHF, Turismo 125ER, Turismo 125K, TuttoTerreno 125, V35 350, V35 350 Custom, V35 350 Florida, V35 350GT, V35 350 Imola I, V35 350 Imola II, V35 350TT, V50 500 Monza, V50 500PA, V65 650, V65 650 Florida, V65 650GT, V65 650 Lario, V65 650SP, V65 650TT, V7 750, V7 750 Cafe Classic, V7 750 Classic, V7 750 Sport, V75 750, V75 750 Strada, V75 750 Targa, VT 650TT
- Penton: Enduro 2502t, Hare Scrambler 2502t, MC5 1752t, Mint 4002t, MX 2502t, Six Days 1252t
- Peugeot: Elyseo 100, Looxor 100, Speedfight 1 100, Speedfight 2 100, Streetzone 100, SV 100Geo, Trekker 100, Vivacity 100, Xfight 100LC
- Piaggio: Primavera 50 (Vespa)
- Polaris: 250 2x4 4x4, Cyclone 250X
- Puch: Cobra 75, Cross 250, FS 125, FS 125 Regolarita, FS 250, FS 250 Regolarita, GS 348, HFE 250, Lido 75, Lido 80
- Quelle: Silver 50, Silverfox 50, Silverfox 50AC
- Rieju: Drac 50, EC 200, EC 250, EC 250GP, EC 300, EC 300GP, MR 200 Ranger, NKD 50 Naked, RR 50 Supermotard, RRX 50, RS1 50 Castrol, Spike 50
- Royal Enfield: Bullet 500, Bullet 500 Classic, Bullet 500 DeLuxe, Bullet 500Efi, Bullet 500 Electra, Bullet 500 Silverstar, Bullet 500 Sixty-Five, Bullet 500 Standard, Classic 500, Classic 500Efi, Clubman 500Efi, Electra 500 DLX G5 Drum, Electra 500 E5 Drum, Fury 500, Meteor 500, Sixty Five 500 Drum, Trials 500, Woodsman 500
- Sachs: ZX 50, ZZ 50
- Sherco: Enduro 250 2.5i, Enduro 250i, SC 250, SC 300 Cross Country, SCR 250, SCR 300, SE 250 Enduro, SE 300 Enduro, SEF 250 Enduro, SEi 300 Enduro, SER 250 Enduro, SER 300 Enduro
- Suzuki: DS 100C, DS 100N, DS 100T, DS 100X, DS 125, GS 1000C, GS 1000E, GS 1000GT, GS 1000GX, GS 1000H, GS 1000L, GS 1000S, GS 1100GZ, GS 425EN, GS 425N, GS 450EE, GS 450EF, GS 450EG, GS 450EH, GS 450EJ, GS 450ES, GS 450ET, GS 450L, GS 550C, GS 550EC, GS 550EN, GS 550ET, GS 550EV, GS 550EX, GS 550EZ, GS 550LD, GS 550LF, GS 550LG, GS 550LT, GS 550LX, GS 550M, GS 550MY, GS 550MZ, GS 750 B DB, GS 750 C DC EC, GS 750 EN DN, GS 750ESD, GS 750LN, GS 750LT, GS 750LX, GS 850GE, GS 850GF, GS 850GG, GS 850GH, GS 850GN, GS 850GT, GS 850GX, GS 850GZ, GT 200X5, GT 250C, GT 250X7, GT 380A, GT 380B, GT 380C, GT 380J, GT 380K, GT 380L, GT 380M, LT 500R, RG 125UCG, RG 125UCH, RG 125UCJ, RG 125UCK, RG 125UCL, RG 125UCM, RG 125UCN, RG 50T, RG 50WD, RG 80 Gamma, RM 400C, RM 400N, RM 400T, RM 465X, RMX 250R, RMX 250S, RMX 250ST, RMX 250SV, SB 200E, SB 200N, SB 200X, SB 200Y, SP 200 Trail, T 200 Invader, TM 400 Cyclone, TS 100A, TS 100B, TS 100C, TS 100ERN, TS 100ERT, TS 100ERV, TS 100ERX, TS 100ERZ, TS 100K, TS 100L, TS 100M, TS 125C, TS 125ERN, TS 125ERT, TS 125ERX, TS 125ERZ, TS 125N, TS 125 XE XUE, TS 125XUF, TS 125XUG, TS 125XUH, TS 250A, TS 250B, TS 250C, TS 250ER, TS 250J, TS 250K, TS 250L, TS 250M, TS 250N, TS 250R, TS 250X, TS 400A, TS 400B, TS 400J R, TS 400K, TS 400L, TS 400M, TSX 240RH, TU 250 X Volty
- SWM: GS 80RBS, HW 125, MC 80 Cross, MK 50, MK 80, MW 125 Trail, TL 80 Trial, TR 80
- Triumph: 5T 500 Speed Twin, 5TA 500 Speed Twin, Bonneville 650 T120 R, Bonneville 750 Brembo Caliper, Bonneville 750 T140V, Daytona 500 T100R, Hurricane 750, Rushden 750, T100 500 Tiger, T110 650 Tiger, T90 350 Tiger, Thunderbird 6506T, Tiger 650 TR6R, TR5 500 Trophy, TR6 650 Trophy, TR7 650 5 Speed, TR7V 750 Tiger, Trident 750 T150V, Trident 750 T160V, Trophy 250 TR25W, Twenty one 3503TA
- Velocette: Thruxton 499, Venom 499, Viper 350
- Vent: Derapage 125
- Vespa: Cosa 200, Sprint 50
- Zundapp: K 802T, KS 1752T, KS 802T, KS 80 Super, KS 80 Touring K, KS 80 Touring L, SX 802T
- Yamaha: CT 175CT2, DT 100D, DT 100E, DT 100F, DT 100G, DT 100H, DT 100J, DT 100K, DT 125A, DT 125C, DT 125E, DT 125E F, DT 125LC1, DT 125 LC2 YPVS, DT 125MX, DT 125RE, DT 125RR, DT 125V, DT 125X, DT 175A, DT 175B, DT 175C, DT 175D, DT 175E, DT 175F, DT 175G, DT 175H, DT 175J, DT 175K, DT 175L, DT 175M, DT 175MX, DT 175N, DT 175T, DT 175W, DT 175X, DT 175Y, DT 175Z, DT 80LC, DT 80 LC 2, IT 425G, IT 425H, IT 500G, IT 500H, MX 100A, MX 100B, MX 100C, MX 100D, MX 100E, MX 100F, MX 100G, MX 100H, MX 175 Air cooled, MX 360 Comp, RD 125C, RD 125DX, RD 200DX, RD 250A, RD 250B, RD 250C, RD 250DX, RD 250F, RD 250LC, RD 350B, RD 350F, RD 350LC2, RD 400C, RD 400D, RD 80 LC 1, RD 80 LC 2, RS 200DX, RT 180, RT 180G, RZ 2504L3, RZ 250R, RZ 250 RR 51L, RZ 250S, RZ 250T, RZ 250W, RZ 350F1, TX 750, TY 250S R, TZ 750, TZR 80R, TZR 80RR, WR 500Z, YFS 200B, YFS 200C, YFS 200D, YFS 200F, YFS 200G, YFS 200H, YFS 200J, YFS 200K, YFS 200L, YFS 200M, YFS 200N, YFS 200P, YFS 200R, YFS 200S, YFS 200T, YFS 200V, YFZ 350 Banshee, YTZ 250 Tri Moto, YZ 360, YZ 360A, YZ 360B, YZ 500J, YZ 500K, YZ 500L, YZ 500M, YZ 500N, YZ 500P, YZ 80C, YZ 80D, YZ 80E, YZ 80F, YZ 80G
Our own vehicle selector shows multiple compatible spark plugs but you can also use the dedicated NGK Spark Plug finder here: www.ngkpartfinder.co.uk
Safety Data Sheets (SDS) can be downloaded from the 'Downloads' tab on a product page. When not available, please contact us or refer to the manufacturers website linked to at the bottom of each brand page.
Delivery
Regular Delivery Costs & Times
Trade
Standard Delivery
Orders will be despatched as follows: To business addresses only; £9.95 (Exc VAT) delivery charge (subject to change depending on account level); Free delivery with net order values of £100 and over (Exc VAT) to the UK Mainland; Orders to N. Ireland/Eire/Isle of Man/Scilly Isles by arrangement; other destinations phone for details; Typical delivery times of 1-2 working days.
Where possible, the Company will endeavour to meet special delivery requirements subject to any additional cost being borne by the Purchaser
Unfortunately, we do not delivery to addresses outside of mainland UK without prior agreement. Without prior agreement you may place an order for Products from outside the UK, but this order must be for delivery to an address in mainland UK unless arranged otherwise prior to your order.
All third party deliveries will carry a charge, the minimum charge will be £9.95 (Exc. VAT).
Pallet Charges
Larger items may incur additional carriage charges, including but not limited to 4x4 and SUV tyres.
An overview of charges per pallet for each region is available to view here: https://www.google.com/maps/d/viewer?mid=11ydN7ZJNHKHf9Ygd0ih_L6-U1dMq31A
Consumer
Click & Collect Only
Select a collection point from our network of available dealers. You will be notified by the chosen dealer once your order is ready to collect, estimated time is 2-3 days (depending on national holidays and dealer opening hours).
Any returns will be handled by the collection point.
- Free for orders over £100
- £11.95 fee for orders below £100
Read our full delivery policy here
Returns
Trade
Please complete the Trade Returns form or contact our Sales Office
Consumer (Click & Collect)
Your click and collect location will handle any returns for you. Please contact the original collect point/dealer to discuss returns and ensure the item is returned to that location..
Alternatively, please use the Returns form.
If you experience issues when attempting to contact the collection point/dealer, please contact us.
| Make | Model | Engine/Variant | Year | Notes |
| Harley-Davidson | MSR | 100 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | MSR | 100 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | MSR | 100 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | KC | 100 C - Companion | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KC | 100 C - Companion | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KC | 100 C - Companion | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KC | 100 C - Companion | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KC | 100 C - Companion | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KC | 100 C - Companion | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KC | 100 C - Companion | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 A | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 A | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 A | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 A | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 A | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 A | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 100 B | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 A - EL | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 A - EL | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 A - EL | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 A - EL | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 100 G - EX | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| MBP | TRK | 100 2V | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| MBP | TRK | 100 2V | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| MBP | TRK | 100 2V | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Elyseo | 100 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Elyseo | 100 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Elyseo | 100 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Elyseo | 100 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Elyseo | 100 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Elyseo | 100 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Looxor | 100 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Looxor | 100 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Looxor | 100 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Looxor | 100 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 1 | 100 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 1 | 100 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 1 | 100 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 1 | 100 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 2 | 100 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 2 | 100 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 2 | 100 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 2 | 100 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 2 | 100 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 2 | 100 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Speedfight 2 | 100 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Streetzone | 100 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Streetzone | 100 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | SV | 100 Geo - L | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Trekker | 100 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Trekker | 100 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Trekker | 100 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Vivacity | 100 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Xfight | 100 LC | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Xfight | 100 LC | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Xfight | 100 LC | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Xfight | 100 LC | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Peugeot | Xfight | 100 LC | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | DS | 100 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | DS | 100 N | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | DS | 100 T | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | DS | 100 X | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 100 A | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 B | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERN | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERT | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERV | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERX | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERZ | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERZ | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERZ | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERZ | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERZ | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERZ | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERZ | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 ERZ | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 K | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 L | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 100 M | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 100 D | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 100 E | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 100 F | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 100 G | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 100 H | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 100 J | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 100 K | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 100 A | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 100 B | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 100 C | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 100 D | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 100 E | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 100 F | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 100 G | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 100 H | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | Z | 1000 A1 | 1977 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 A2 | 1978 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 A3 | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 A4 | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 B1 - LTD | 1977 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 B2 - LTD | 1978 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 B3 - LTD | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 B4 - LTD | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 D1 - Z1R | 1978 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 D2 - Z1R | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 D3 - Z1R | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 E1 - Shaft ST | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 E2 - Shaft ST | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 E3 - Shaft ST | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 G1 - Classic | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 H1 | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 H2 | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 J1 | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 J2 | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 J3 | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 K1 - LTD | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 K2 - LTD | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 M1 - CSR | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 M2 - CSR | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 MK2 | 1978 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 MK2 | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 MK2 | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 MK2 | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 R1 - Lawson Rep | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 R2 - Lawson Rep | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1000 R3 - Lawson Rep | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Laverda | 1000 | 1000 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1000 | 1000 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1000 | 1000 3C | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1000 | 1000 3C | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1000 | 1000 EC | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1000 | 1000 EC | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1000 | 1000 EC | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1000 | 1000 EC | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | Jota | 1000 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | Jota | 1000 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | Jota | 1000 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | Jota | 1000 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | Jota | 1000 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | Jota | 1000 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGA | 1000 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGA | 1000 Jota | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGA | 1000 Jota | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGS | 1000 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGS | 1000 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGS | 1000 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGS | 1000 Corsa | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGS | 1000 Corsa | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | RGS | 1000 Executive | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC3 | 1000 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC3 | 1000 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 C | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 E | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 E | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 E | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 E | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 GT - Shaft-Drive | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 GX - Shaft-Drive | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 GX - Shaft-Drive | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 H | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 L | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 S | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 S | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 S | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 S | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1000 S | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | GPZ | 1100 A1 - ZX1100A Uni Trak | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GPZ | 1100 A2 - ZX1100A Uni Trak | 1984 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GPZ | 1100 A3 - ZX1100A Uni Trak | 1985 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GPZ | 1100 B1 - ZX1100B | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GPZ | 1100 B2 - ZX1100B | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 A1 - Shaft | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 A2 - Shaft | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 A3 - Shaft | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 B1 - LTD Shaft | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 B2 - LTD Shaft | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 D1 - Spectre | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 D2 - Spectre | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 L1 - LTD Shaft | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 R1 - Lawson Rep | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 1100 R2 - Lawson Rep | 1984 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | ZN | 1100 B - LTD | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | ZN | 1100 B - LTD | 1984 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | ZN | 1100 B - LTD | 1985 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Suzuki | GS | 1100 GZ | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1100 GZ | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1100 GZ | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 1100 GZ | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1200 | 1200 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 1200 | 1200 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | Mirage | 1200 TS | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | TS | 1200 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | TS | 1200 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | TS | 1200 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | TS | 1200 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Acossato | CE | 125 Cross | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Acossato | CE | 125 Enduro | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Ancillotti | MC | 125 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Ancillotti | MC | 125 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Ancillotti | PST | 125 MX | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | ETX | 125 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | ETX | 125 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | ETX | 125 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | ETX | 125 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Cross | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Motard | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Motard | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Motard | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Motard | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | MX | 125 Motard | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 - 2T | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 125 - 2T | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 125 - 2T | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 125 - 2T | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 125 - 2T | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 - 2T | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 - 2T | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 - 2T | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 - 2T | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 - 2T | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 - 2T | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 - 2T | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 123 Rotax - 2T | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 123 Rotax - 2T | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema - 2T | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema - 2T | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema - 2T | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema - 2T | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema - 2T | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema - 2T | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema Replica - Radial Caliper 2T | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema Replica - Radial Caliper 2T | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Extrema Replica - Radial Caliper 2T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 R Replica - 2T | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Replica - Radial Caliper 2T | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Replica - Radial Caliper 2T | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Replica - Radial Caliper 2T | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Replica - Radial Caliper 2T | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Replica - Radial Caliper 2T | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Replica - Radial Caliper 2T | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Replica - Radial Caliper 2T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 SP Sport Production - AE 2T | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 SP Sport Production - AE 2T | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 SP Sport Production - AE 2T | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 SP Sport Production - AE 2T 2 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Tuono - 2T | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Tuono - 2T | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Tuono - 2T | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Tuono - 2T | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Tuono - 2T | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Tuono - 2T | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Tuono - 2T | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS | 125 Tuono - 2T | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 - AJP caliper | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 - AJP caliper | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 - AJP caliper | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 - AJP caliper | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 - AJP caliper | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 - AJP caliper | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 R - Brembo Caliper | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 R - Brembo Caliper | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 R - Brembo Caliper | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 R - Brembo Caliper | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 R - Brembo Caliper | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 125 R - Brembo Caliper | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SR | 125 PX125 K4740 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SR | 125 PX125 K4740 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SR | 125 PX125 K4740 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SR | 125 PX125 K4740 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SR | 125 Racing | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SR | 125 Racing | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SR | 125 Racing | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 E4 - 4T i.e. | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 E4 - 4T i.e. | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 E4 - 4T i.e. | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 MY | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 MY | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 MY | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 MY | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 MY | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 MY | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | SX | 125 MY | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 Rally | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 Rally | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 Rally | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 Rally | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 Rally | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 Rally | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Tuareg | 125 Rally | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | 125 | 125 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | 125 | 125 Jarno | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Sincro | 125 Trials - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Synt | 125 | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 125 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 125 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 125 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 125 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 125 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 125 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR32 | 125 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR33 | 125 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR34 | 125 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 125 | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 125 Nude | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 125 Nude | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 125 Racing | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 125 Racing | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 125 Racing | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 125 Racing | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 125 Racing | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 125 Racing - 4T | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Gilera | GR1 | 125 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Gilera | GR1 | 125 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Gilera | SC | 125 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Gilera | SC | 125 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FES | 125 Pantheon - 2 stroke JF05 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 125 Pantheon - 2 stroke JF05 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 125 Pantheon - 2 stroke JF05 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 125 Pantheon - 2 stroke JF05 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 125 Pantheon - 2 stroke JF05 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MBX | 125 R | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MBX | 125 R | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MBX | 125 R | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 R - Air cooled | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 R - Air cooled | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 R2 - Air cooled | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 R2 - Air cooled | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RF - Liquid Cooled | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWD - Air Cooled | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWD - Air Cooled | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MTX | 125 RWF - Liquid Cooled | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 125 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 125 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 125 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 125 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | TE | 125 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | TE | 125 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | TE | 125 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A1 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A2 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A3 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A4 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A5 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A6 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A7 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A8 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 A9 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 B1 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 125 B2 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 125 LC - A1 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A2 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A3 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A4 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A5 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A6 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A7 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A7 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A7 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A7 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A7 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - A7 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B1 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B2 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B3 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B4 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B5 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B6 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B7 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B8 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B8 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B8 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B8 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B8 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | AR | 125 LC - B8 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B1 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B1 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B1 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B2 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B2 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B2 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B2 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B2 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B2 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 125 A B2 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 125 A7 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 125 A8 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 A1 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 A2 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 A3 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 A4 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 A5 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K1 - EX | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K10 - EX | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K11 - EX | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K12 - EX | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K13 - EX | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K14 - EX | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K15 - EX | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K16 - EX | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K17 - EX | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K2 - EX | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K3 - EX | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K4 - EX | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K5 - EX | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K6 - EX | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K7 - EX | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K8 - EX | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KH | 125 K9 - EX | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 / 1 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 A1 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 A2 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 A3 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 A4 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 A5 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 A6 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B10 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B11 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B12 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B2 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B3 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B4 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B5 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B6 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B7 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B8 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 125 B9 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Laverda | Custom | 125 2T | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | Custom | 125 2T | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GS | 125 Lesmo - 2T | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GS | 125 Lesmo - 2T | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GS | 125 Lesmo - 2T | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GS | 125 Lesmo - 2T | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | LX | 125 2T | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | LX | 125 2T | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | LZ | 125 Sport - 2T | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | LZ | 125 Sport - 2T | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | LZ | 125 Sport - 2T | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GT5 | 125 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GT5 | 125 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GT5 | 125 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GT5 | 125 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GT5 | 125 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GTI | 125 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GTI | 125 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GTI | 125 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GTI | 125 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | GTI | 125 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | Mark | 125 Enduro | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | Mark | 125 Enduro | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | OB | 125 One | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | ST54 | 125 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | ST54 | 125 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | ST54 | 125 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | ST54 | 125 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malanca | ST54 | 125 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Turismo | 125 CHF | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Turismo | 125 CHF | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Turismo | 125 CHF | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Turismo | 125 CHF | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Turismo | 125 CHF | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Turismo | 125 CHF | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Turismo | 125 ER | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Turismo | 125 K | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TuttoTerreno | 125 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TuttoTerreno | 125 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TuttoTerreno | 125 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TuttoTerreno | 125 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TuttoTerreno | 125 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TuttoTerreno | 125 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TuttoTerreno | 125 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TuttoTerreno | 125 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | Six Days | 125 2t | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | Six Days | 125 2t | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 Regolarita | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 Regolarita | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 Regolarita | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 Regolarita | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 Regolarita | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 125 Regolarita | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | DS | 125 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | DS | 125 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 125 UCG | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 125 UCG | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 125 UCH | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 125 UCJ | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 125 UCK | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 125 UCL | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 125 UCM | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 125 UCN | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 125 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERN | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERN | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERT | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERZ | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERZ | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERZ | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERZ | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 ERZ | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 N | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 XE XUE | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 XUF | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 XUG | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 125 XUH | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | HW | 125 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | MW | 125 Trail | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vent | Derapage | 125 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vent | Derapage | 125 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vent | Derapage | 125 | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 A | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 C | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 E - Everts | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 E F - AT2 1F9 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 E F - AT2 1F9 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 E F - AT2 1F9 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 E F - AT2 1F9 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 E F - AT2 1F9 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 LC1 - 10V 26F | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 LC1 - 10V 26F | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 LC1 - 34Y | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 LC2 YPVS - 57U 1HR | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 LC2 YPVS - 57U 1HR | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 LC2 YPVS - 57U 1HR | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 MX | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 MX | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 MX | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 MX | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 MX | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 MX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 MX | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 RE | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 RE | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 RR | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 V | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 125 X - Supermoto | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 X - Supermoto | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 125 X - Supermoto | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RD | 125 C | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 125 DX | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 125 DX | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 125 DX | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 125 DX | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 125 DX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | Z | 1300 A1 - Carbs | 1979 | Plugs Required: 6 | Cylinders: 6 | Gap (mm): 0.6 |
| Aprilia | ETX | 150 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 150 PC | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 150 Y - Pantheon | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 150 Y - Pantheon | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 150 Y - Pantheon | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 150 Y - Pantheon | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FES | 150 Y - Pantheon | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Rambler | 175 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Rambler | 175 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Rambler | 175 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Rambler | 175 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Tracker | 175 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Tracker | 175 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Tracker | 175 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Tracker | 175 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Trials | 175 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Trials | 175 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Trials | 175 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Trials | 175 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 175 MK6 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 175 MK6 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | MR | 175 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | MR | 175 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | MR | 175 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Penton | MC5 | 175 2t | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | MC5 | 175 2t | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | CT | 175 CT2 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | CT | 175 CT2 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | CT | 175 CT2 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | CT | 175 CT2 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | CT | 175 CT2 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 175 A | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 A - 3TS4 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 B | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 B - 3TS4 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 C | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 C | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 C - 3TS4 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 D - 3TS4 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 E | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 F - 3TS4 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 G - 3TS4 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 H - 3TS4 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 J - 3TS4 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 K - 3TS4 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 L - 3TS4 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 M - 3TS4 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 MX | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 MX | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 MX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 MX | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 MX | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 MX | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 MX | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 MX | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 N - 3TS4 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 N - 3TS4 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 T - 3TS4 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 W - 3TS4 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 X - 3TS4 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 Y - 3TS4 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 175 Z - 3TS4 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | MX | 175 Air cooled | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | MX | 175 Air cooled | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | MX | 175 Air cooled | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | MX | 175 Air cooled | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | MX | 175 Air cooled | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | MX | 175 Air cooled | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | MX | 175 Air cooled | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | MX | 175 Air cooled | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Zundapp | KS | 175 2T | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 175 2T | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 175 2T | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 175 2T | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 175 2T | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 175 2T | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 180 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 G | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 G | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 G | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 G | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 G | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RT | 180 G | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Sincro | 200 Trials - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Techno | 200 Trial | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Techno | 200 Trial | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Techno | 200 Trial | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Bultaco | Pursang | 200 MK6 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 200 MK6 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 200 MK9 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 200 MK9 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 200 MK9 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| GasGas | XC | 200 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | XC | 200 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | XC | 200 | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 200 H | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KMX | 200 A | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 200 - 2T | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 200 - 2T | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 200 - 2T | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | MR | 200 Ranger - 2T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | MR | 200 Ranger - 2T | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | MR | 200 Ranger - 2T | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | GT | 200 X5 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 200 X5 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 200 X5 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 200 X5 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | SB | 200 E | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | SB | 200 N | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | SB | 200 X | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | SB | 200 Y | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | SB | 200 Y | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | SP | 200 Trail | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | T | 200 Invader | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | T | 200 Invader | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Cosa | 200 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RD | 200 DX | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 200 DX | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 200 DX | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 200 DX | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 200 DX | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 200 DX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RS | 200 DX | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RS | 200 DX | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RS | 200 DX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RS | 200 DX | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RS | 200 DX | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RS | 200 DX | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RS | 200 DX | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YFS | 200 B - Blaster | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 C - Blaster | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 D - Blaster | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 F - Blaster | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 G - Blaster | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 H - Blaster | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 J - Blaster | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 K - Blaster | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 L - Blaster | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 M - Blaster | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 N - Blaster | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 P - Blaster | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 R - Blaster | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 S - Blaster | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 T - Blaster | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFS | 200 V - Blaster | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A10 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A11 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A12 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A13 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A4 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A5 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A6 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A7 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A8 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 220 R - A9 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Alp | 240 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Alp | 240 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Alp | 240 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Alp | 240 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Alp | 240 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Super Trial | 240 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Super Trial | 240 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | WR | 240 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 240 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 240 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 240 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 240 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TSX | 240 RH | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TSX | 240 RH | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TSX | 240 RH | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TSX | 240 RH | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TSX | 240 RH | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | AR | 250 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | GR | 250 Enduro | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | GR | 250 Enduro | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | GR | 250 Enduro | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | GR | 250 Enduro | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR | 250 Enduro | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR | 250 No Limits | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR | 250 No Limits | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR | 250 No Limits | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR | 250 No Limits | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR | 250 No Limits | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR 2000 | 250 Enduro | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR 2000 | 250 Enduro | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR 2000 | 250 Enduro | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR 2000 | 250 Supermotard | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR 2000 | 250 Supermotard | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | VR 2000 | 250 Supermotard | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Ancillotti | GR | 250 Enduro | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Ancillotti | GR | 250 Enduro | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Ancillotti | GR | 250 Enduro | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Ancillotti | GR | 250 Enduro | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| ATK (USA) | 250 | 250 Rotax | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 250 | 250 Rotax | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | 2C | 250 Twin Cyl | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 250 Twin Cyl | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 250 Twin Cyl | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | Leoncino | 250 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | Leoncino | 250 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | Leoncino | 250 | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | Leoncino | 250 | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | Leoncino | 250 | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | Leoncino | 250 | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Benelli | Leoncino | 250 | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Alp | 250 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Alp | 250 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | CR | 250 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | CRRV | 250 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | CRRV | 250 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | RR | 250 Enduro - 2T | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Enduro - 2T | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Enduro - 2T | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Enduro - 2T | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Enduro - 2T | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 Racing - 2T | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RR | 250 X Pro - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | RX | 250 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | RX | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Sincro | 250 Trials - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Techno | 250 Trial | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Techno | 250 Trial | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | TR34 | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR34 | 250 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR34 | 250 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR34 | 250 Professional | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR35 | 250 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR35 | 250 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | B25 | 250 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25 | 250 Fleetstar | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25 | 250 Fleetstar | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25 | 250 Fleetstar | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25 | 250 Fleetstar | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25 | 250 Shooting Star | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25 | 250 Starfire | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25 | 250 Starfire | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25 | 250 Starfire | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25R | 250 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25R | 250 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25SS | 250 Street Scrambler | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25SS | 250 Street Scrambler | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25SS | 250 Street Scrambler | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25T | 250 Victor Trial | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25T | 250 Victor Trial | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B25T | 250 Victor Trial | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 A | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 A | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 A | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 A | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 A | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 A | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 A | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 B | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 B | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 B | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 B | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 B | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 B | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 B | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 C | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 C | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 C | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 C | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 C | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 C | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C15 | 250 C | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | C25 | 250 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | SS80 | 250 Gold Star - 4T | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | SS80 | 250 Gold Star - 4T | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | SS80 | 250 Gold Star - 4T | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | SS80 | 250 Gold Star - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | SS80 | 250 Gold Star - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | SS80 | 250 Gold Star - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Bultaco | Pursang | 250 MK10 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK10 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK11 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK11 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK12 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK12 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK6 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK6 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK7 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK7 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK8 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK8 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK9 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK9 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK9 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 250 MK9 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | ALA Blu | 250 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Ala Rossa | 250 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Casa | 250 Competizione | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TF | 250 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TF | 250 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TF | 250 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TF | 250 ES | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TF | 250 ES | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TF | 250 ES | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TR | 250 ES Enduro 6 Day | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TR | 250 ES Enduro 6 Day | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero - Enduro Competizione | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero - Enduro Regolarita Scuderia | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero - Flat Track | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero - Scrambler | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero - Scrambler | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Caballero - Scrambler | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Cabellero - Flat Track | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 250 Cabellero - Flat Track | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 - Braketec Caliper | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 - Braketec Caliper | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 - Brembo Caliper | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F - Braketec Caliper | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F - Braketec Caliper | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F - Braketec Caliper | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F - Braketec Caliper | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F - Brembo Caliper | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F - Brembo caliper | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F 4T - Braketec caliper | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F 4T - Braketec caliper | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | MC | 250 F 4T - Brembo Caliper | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | RR250 | 250 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | RR250 | 250 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 250 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 250 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 250 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 250 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 250 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 250 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 250 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 250 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SS | 250 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SS | 250 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SS | 250 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SST | 250 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SST | 250 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SST | 250 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SX | 250 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SX | 250 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SX | 250 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CB | 250 G5 | 1974 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 250 G5 | 1975 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 250 K | 1969 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 250 K0 | 1970 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 250 K1 | 1971 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 250 K2 | 1972 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 250 K3 | 1973 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CRM | 250 RK | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RL | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RM | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RN | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RP | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RR | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RS | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RT | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RV | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RW | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 250 RX | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | FL | 250 Odyssey | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 250 Odyssey | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 250 Odyssey | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 250 Odyssey | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 250 Odyssey | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 250 Odyssey | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 250 Odyssey | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 250 Odyssey | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NS | 250 RE - MC11 | 1984 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Honda | NS | 250 RG - MC11 | 1985 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Honda | NS | 250 RH - MC11 | 1986 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Husqvarna | CR | 250 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 250 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | RC | 250 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 250 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 250 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 250 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 250 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | TC | 250 - Magura Caliper | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 250 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | XC | 250 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | XC | 250 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | XC | 250 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 250 B1 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 250 B2 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 250 B3 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 250 B4 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 250 C1 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 250 C2 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 250 C3 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 250 B1 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 250 B2 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KE | 250 B3 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KL | 250 A C | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KL | 250 A C | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KL | 250 A C | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KV | 250 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | KV | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | KX | 250 C1 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 C2 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 D1 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 K1 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 K2 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 K3 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 K4 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 K5 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 L1 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 L2 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 L3 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 L4 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 M1 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 250 M2 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KXT | 250 Tecate | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KXT | 250 Tecate | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KXT | 250 Tecate | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KXT | 250 Tecate | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Moto Guzzi | TS | 250 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TS | 250 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TS | 250 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TS | 250 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TS | 250 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TS | 250 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TS | 250 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TS | 250 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | TS | 250 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | Enduro | 250 2t | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | Enduro | 250 2t | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | Hare Scrambler | 250 2t | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | Hare Scrambler | 250 2t | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | MX | 250 2t | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | MX | 250 2t | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Polaris | 250 | 250 2x4 4x4 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | 250 | 250 2x4 4x4 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | 250 | 250 2x4 4x4 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | 250 | 250 2x4 4x4 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | 250 | 250 2x4 4x4 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | 250 | 250 2x4 4x4 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Polaris | Cyclone | 250 X | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Puch | Cross | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 250 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 250 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 250 Regolarita | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 250 Regolarita | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 250 Regolarita | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | FS | 250 Regolarita | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | HFE | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Rieju | EC | 250 - 2T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 250 - 2T | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 250 - 2T | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 250 - 2T | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 250 GP - 2T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 250 GP - 2T | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 250 GP - 2T | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 250 GP - 2T | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 250 GP - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 2.5i | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | Enduro | 250 i | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SC | 250 - Cross Country | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SC | 250 - Cross Country | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SC | 250 - Cross Country | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SCR | 250 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SCR | 250 | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SCR | 250 | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro - i-F Racing | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro - i-F Racing | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro - i-FR | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro - i-FR | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro - i-R | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro - i-R | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro - Racing | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 250 Enduro - Six Days | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEF | 250 Enduro - Racing | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing Sachs Forks | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing Sachs Forks | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing Sachs Forks | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing Sachs Forks | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing WP Forks | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing WP Forks | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing WP Forks | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 250 Enduro - Racing WP Forks | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | GT | 250 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 250 X7 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 250 X7 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RMX | 250 R | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RMX | 250 S | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RMX | 250 ST | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RMX | 250 SV | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 A | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 B | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 ER | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 ER | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 J | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 K | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 L | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 M | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 N | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 R | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 X | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 X | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 250 X | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TU | 250 X Volty | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TU | 250 X Volty | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TU | 250 X Volty | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TU | 250 X Volty | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TU | 250 X Volty | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Trophy | 250 TR25W - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Trophy | 250 TR25W - 4T | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Trophy | 250 TR25W - 4T | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Trophy | 250 TR25W - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 250 A | 1974 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Yamaha | RD | 250 B | 1975 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Yamaha | RD | 250 C | 1976 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Yamaha | RD | 250 DX | 1977 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Yamaha | RD | 250 F | 1980 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Yamaha | RD | 250 LC - 4L1 | 1980 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RD | 250 LC - 4L1 | 1981 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RD | 250 LC - 4L1 | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RD | 250 LC - 4L1 | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RD | 250 LC - 4L1 | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RD | 250 LC - 4L1 | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RD | 250 LC - 4L1 | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 4L3 - Japan | 1980 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 4L3 - Japan | 1981 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 4L3 - Japan | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 4L3 - Japan | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 R - 1XG Japan | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 R - 1XG Japan | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 R - 1XG Japan | 1988 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 RR 51L - RD250YPVS Japan | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 S - 1AR Japan | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 T - 1AR Japan | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | RZ | 250 W - 1AR Japan | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Yamaha | TY | 250 S R | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | TY | 250 S R | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YTZ | 250 Tri Moto - 3 wheeler | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YTZ | 250 Tri Moto - 3 wheeler | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YTZ | 250 Tri Moto - 3 wheeler | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | TS | 251 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | TS | 251 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | TS | 251 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR34 | 260 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR34 | 260 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Techno | 270 Trial | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Techno | 270 Trial | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Climber | 275 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Climber | 275 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Climber | 275 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Climber | 275 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Climber | 276 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Climber | 276 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Climber | 276 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Climber | 276 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Adly | RS | 300 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Adly | RS | 300 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Alfer | GR | 300 Enduro | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | GR | 300 Enduro | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | GR | 300 Enduro | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | GR | 300 Enduro | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | GR | 300 Enduro | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Alfer | TX | 300 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Sincro | 300 Trials - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Trial | 300 Progress 2 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Trials 300 | 300 ES - 6 Day | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | TZ | 300 Caballero Regolarita Scuderia - ES | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 300 Caballero Regolarita Scuderia - ES | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 300 Caballero Regolarita Scuderia - ES | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TZ | 300 Caballero Regolarita Scuderia - ES | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | XE | 300 Enduro | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | XE | 300 Enduro | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | XE | 300 Enduro | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| GasGas | HP | 300 RV | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 RV | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 Wild | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 Wild | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 Wild | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| GasGas | HP | 300 Wild | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Hercules | W2000 | 300 Wankel | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Hercules | W2000 | 300 Wankel | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Hercules | W2000 | 300 Wankel | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Hercules | W2000 | 300 Wankel | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Hercules | W2000 | 300 Wankel | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 300 | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | MBX | 300 | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | MBX | 300 | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | MBX | 300 | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | Vmax | 300 | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | Vmax | 300 | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | Vmax | 300 | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | Vmax | 300 | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | XDV | 300 i | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | XDV | 300 i | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | XDV | 300 i | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Longjia | XDV | 300 i | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 - 2T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 - 2T | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 - 2T | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 - 2T | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 GP - 2T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 GP - 2T | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 GP - 2T | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 GP - 2T | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | EC | 300 GP - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SC | 300 Cross Country - Factory | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SC | 300 Cross Country - Factory | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SC | 300 Cross Country - Factory | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SCR | 300 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SCR | 300 | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SCR | 300 | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Factory | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Factory | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Factory | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Factory | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Factory | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Factory | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Factory | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Factory | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - iF | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - iF | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - iF | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - iF | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - iF | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - iF | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Racing | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Racing | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Six Days | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Sixdays | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SE | 300 Enduro - Sixdays | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEi | 300 Enduro | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEi | 300 Enduro | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEi | 300 Enduro | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEi | 300 Enduro - Racing | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEi | 300 Enduro - Racing | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing Sachs Forks | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing Sachs Forks | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing Sachs Forks | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing Sachs Forks | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing Sachs Forks | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing WP Forks | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing WP Forks | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing WP Forks | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing WP Forks | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SER | 300 Enduro - Racing WP Forks | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | Trial | 301 FM | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Trial | 301 Progress 2 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Trial | 303 FM 364 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Trial | 305 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Trials | 307 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Trials | 307 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | GS | 348 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | GS | 348 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | GS | 348 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | GS | 348 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aermacchi HD | GT | 350 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aermacchi HD | GT | 350 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aermacchi HD | GT | 350 Sprint | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aermacchi HD | SX | 350 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aermacchi HD | SX | 350 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aermacchi HD | TV | 350 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aermacchi HD | TV | 350 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 350 MK6 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 350 MK6 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | ALA Blue | 350 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | ALA Blue | 350 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | ALA Blue | 350 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | ALA Rossa | 350 Trail | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | ALA Verde | 350 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | ALA Verde | 350 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Trial | 350 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | MT | 350 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 350 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 350 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 350 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 350 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 350 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | Sprint | 350 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SS | 350 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SS | 350 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SS | 350 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SST | 350 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson AMF | SST | 350 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson AMF | SX | 350 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SX | 350 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson AMF | SX | 350 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SX | 350 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SX | 350 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SX | 350 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CL | 350 Scrambler | 1968 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | CL | 350 Scrambler | 1969 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | CL | 350 Scrambler | 1970 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | CL | 350 Scrambler | 1971 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | CL | 350 Scrambler | 1972 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | CL | 350 Scrambler | 1973 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | FL | 350 R - Odyssey | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 350 R - Odyssey | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | FL | 350 R - Odyssey | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | SL | 350 K0 | 1970 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | SL | 350 K1 | 1971 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | SL | 350 K2 | 1972 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | SL | 350 K3 | 1973 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Honda | TRX | 350 A | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Husaberg | TE | 350 - 4T | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Moto Guzzi | GTS | 350 4C | 1974 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1993 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1996 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1997 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1998 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 1999 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 2000 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | Nevada | 350 | 2001 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1977 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1978 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1979 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1980 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1981 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1988 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Custom | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Custom | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Custom | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Custom | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Custom | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Florida | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Florida | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Florida | 1988 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Florida | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Florida | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Florida | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Florida | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 GT | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 GT | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 GT | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 GT | 1993 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola I | 1979 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola I | 1980 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola I | 1981 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola I | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola I | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola I | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola II | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola II | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola II | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola II | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola II | 1988 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 Imola II | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 TT - Enduro | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V35 | 350 TT - Enduro | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | T90 | 350 Tiger - 4T | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | T90 | 350 Tiger - 4T | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | T90 | 350 Tiger - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | T90 | 350 Tiger - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | T90 | 350 Tiger - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | T90 | 350 Tiger - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | T90 | 350 Tiger - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Twenty one | 350 3TA - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Viper | 350 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 350 B | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 350 B | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 350 F | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RD | 350 LC2 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RD | 350 LC2 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RZ | 350 F1 - YPVS | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RZ | 350 F1 - YPVS | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RZ | 350 F1 - YPVS | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YFZ | 350 Banshee | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Bultaco | Pursang | 360 MK7 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 360 MK7 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 360 MK8 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 360 MK8 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CB | 360 G5 | 1976 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 360 G5 | 1977 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 360 K1 | 1974 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 360 K2 | 1975 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CJ | 360 T | 1977 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CJ | 360 T | 1978 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Husqvarna | CR | 360 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 360 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 360 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 360 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | MX | 360 Comp | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YZ | 360 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YZ | 360 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YZ | 360 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YZ | 360 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YZ | 360 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YZ | 360 A | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | YZ | 360 B | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Bultaco | Pursang | 370 MK10 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK10 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK11 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK11 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK11 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK12 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK12 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK9 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK9 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK9 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Bultaco | Pursang | 370 MK9 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 380 A | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 380 B | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 380 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 380 J | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 380 K | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 380 L | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GT | 380 M | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | RC | 390 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.9 |
| Husqvarna | WR | 400 F | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 400 F | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 400 F | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 400 F | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 400 F | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 400 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 400 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | Z | 400 D1 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | Z | 400 D2 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | Z | 400 D3 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | Z | 400 D4 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Penton | Mint | 400 2t | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Penton | Mint | 400 2t | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 400 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 400 N | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 400 T | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TM | 400 Cyclone | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TM | 400 Cyclone | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TM | 400 Cyclone | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TM | 400 Cyclone | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TM | 400 Cyclone | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 400 A | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 400 B | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 400 J R | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 400 K | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 400 L | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | TS | 400 M | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RD | 400 C | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 400 D | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| ATK (USA) | 406 | 406 Rotax | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATK (USA) | 406 | 406 Rotax | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 420 A1 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | GS | 425 EN | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 425 EN | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 425 N | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | IT | 425 G | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | IT | 425 H | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | CR | 430 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 430 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 430 AE | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 430 AE | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 430 AE | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WR | 430 AE | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WRE | 430 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Husqvarna | WRE | 430 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CL | 450 | 1972 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CL | 450 | 1973 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CL | 450 | 1974 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CR | 450 RB | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-R | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-X | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-X | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-X | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-X - Enduro | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-X - Enduro | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRE | 450 F-X - Enduro | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | KDX | 450 A1 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | GS | 450 EE | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 450 EF | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 450 EG | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 450 EH | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 450 EJ | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 450 ES | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 450 ET | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 450 L | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 450 L | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 465 X | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Thruxton | 499 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Thruxton | 499 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Thruxton | 499 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Thruxton | 499 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Thruxton | 499 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Thruxton | 499 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Thruxton | 499 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Venom | 499 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| AJS | JSM | 50 - Motard | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 - Motard | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 - Motard | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 - Motard | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 - Motard | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 - Motard | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 - Motard | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 Motard | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 Motard | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 Motard | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 Motard | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| AJS | JSM | 50 Motard | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | AF1 | 50 Europa | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Extrema Projet Replica Sintesi | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | AF1 | 50 Sports | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Classic | 50 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Classic | 50 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Compay | 50 Custom | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Compay | 50 Custom | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Compay | 50 Custom | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Compay | 50 Custom | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Red Rose Classic | 50 R16 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Red Rose Classic | 50 R16 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Red Rose Classic | 50 R16 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Red Rose Classic | 50 R16 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Red Rose Classic | 50 R16 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Red Rose Classic | 50 XL | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Red Rose Classic | 50 XL | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | Red Rose Classic | 50 XL | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 - HP 2T | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 Extrema - HP 2T | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 Extrema - HP 2T | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 Extrema - HP 2T | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 Extrema - HP 2T | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 Replica - HP 2T | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 Replica - HP 2T | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 Replica - PG 2T | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS | 50 Replica - PG 2T | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Aprilia | RS4 | 50 - 4T | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 - 4T | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 - 4T | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 - 4T | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 - 4T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 4T | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 CHF - AJP caliper 4T | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 CHF - AJP caliper 4T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 CHF - AJP caliper 4T | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 CHF - AJP caliper 4T | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 F FA - 4T | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 K1 - 4T | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 Replica - 4T | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 Replica SBK - 4T | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RS4 | 50 X - 4T | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 Factory | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 Factory | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | RX | 50 Factory | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 4T - Restyling | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 4T E2 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 4T E2 - Ditech | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 4V | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 DD | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 Ditech | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 Restyling | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 Street | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Aprilia | Scarabeo | 50 Street 4T | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATU | Meteorit | 50 Edition | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATU | Meteorit | 50 Edition | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATU | Meteorit | 50 Edition | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATU | Meteorit | 50 Edition | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATU | Meteorit | 50 R | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATU | Meteorit | 50 Yup | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| ATU | Meteorit | 50 Yup | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SM | 50 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SM | 50 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SMX | 50 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SMX | 50 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SMX | 50 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SX | 50 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SX | 50 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SX | 50 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beeline | SX | 50 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | R10 | 50 19mm reach spark plug | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | R10 | 50 19mm reach spark plug | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | R10 | 50 19mm reach spark plug | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | R12 | 50 19mm reach spark plug | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | R12 | 50 19mm reach spark plug | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | R12 | 50 19mm reach spark plug | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Supertrial | 50 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Supertrial | 50 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Supertrial | 50 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Supertrial | 50 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Zero | 50 | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Buffalo | Alpino | 50 AC | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Buffalo | Alpino | 50 AC | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Blues | 50 2T | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Blues | 50 2T | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Cocis | 50 2T | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Cocis | 50 2T | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Cocis | 50 2T | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Cocis | 50 2T | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | K3 | 50 2T | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | K3 | 50 2T | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | K3 | 50 2T | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Prima | 50 2T | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Prima | 50 2T | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Prima | 50 2T | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Stella | 50 2T | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Stella | 50 2T | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Stella | 50 2T | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Stella | 50 2T | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Super City | 50 2T | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Super City | 50 2T | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Super City | 50 2T | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Super City | 50 2T | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Super City | 50 2T | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | W4 | 50 Pro Action - Trail | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | W4 | 50 Pro Action - Trail | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | W4 | 50 Pro Action - Trail | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | W4 | 50 Pro Action - Trail | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | W4 | 50 Pro Action - Trail | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | WMX | 50 2T | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | WMX | 50 2T | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | WMX | 50 2T | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | WMX | 50 2T | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| CH Racing | WSM | 50 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| CH Racing | WSM | 50 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| CH Racing | WSM | 50 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| CH Racing | WXE | 50 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| CH Racing | WXE | 50 GP | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| CH Racing | WXE | 50 S-Line | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Box | 50 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Box | 50 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Box | 50 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Nude | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Nude | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Nude | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Nude | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Nude | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Nude | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Nude | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Nude | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Nude | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 R | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 R | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 R | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 R | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 R | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Racing | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Racing | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Racing | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Racing | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Racing | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Racing | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 Racing | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Racing | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Racing | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Racing | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Racing | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Racing | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Racing | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 Racing | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | GPR | 50 RR | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 RR | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 RR | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | GPR | 50 RR | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Lobito | 50 AC | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Lobito | 50 LC | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Paddock | 50 LC | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Predator | 50 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Predator | 50 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Predator | 50 AC | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Predator | 50 AC | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Predator | 50 AC | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Predator | 50 LC | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Predator | 50 LC | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Predator | 50 LC | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Runner | 50 Blacksoul | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Runner | 50 Blacksoul | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - Classic | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - Classic | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Pro | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Pro | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Pro | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Pro | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Pro | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Pro | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Pro | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Pro | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - DRD Racing | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - Racer | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - Racer | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Race | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 R - X-Treme | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 Racing | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 Racing - SM | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 Racing - SM | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 Racing - SM | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - Classic | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - Classic | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - Classic | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - Classic | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Pro | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD Racing | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD X-Treme | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD X-Treme | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD X-Treme | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD X-Treme | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD X-Treme | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD X-Treme | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - DRD X-Treme | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Race | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Race | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Race | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Race | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Race | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Race | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Race | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 SM - X-Treme | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 X-Treme - R | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 X-Treme - R | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Senda | 50 X-Treme - R | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Derbi | Sonar | 50 2T | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Sonar | 50 2T | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Sonar | 50 2T | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Sonar | 50 2T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Sonar | 50 2T | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Derbi | Variant | 50 Sport | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | Koala | 50 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Koala | 50 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Koala | 50 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Koala | 50 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Koala | 50 Casa | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Motard | 50 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | Motard | 50 Competizione | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Flat Track - 2T | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Motard Casa - 2T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Motard Casa - 2T | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Motard Competizione - 2T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Motard Competizione - 2T | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Regolarita Casa - 2T | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Regolarita Casa - 2T | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Regolarita Casa - 2T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Regolarita Competizione - 2T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Regolarita Scuderia - 2T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Regolarita Scuderia - 2T | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180 | 50 Scrambler - 2T | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180M | 50 Motard Casa - 2T | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | TX180M | 50 Motard Casa - 2T | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | M50 | 50 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | M50 | 50 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 50 RN | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CRM | 50 RP | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CRM | 50 RS | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CRM | 50 RT | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CRM | 50 RV | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | TLM | 50 Trail | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | TLM | 50 Trail | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| HRD | Sonic 2 | 50 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| HRD | Sonic 2 | 50 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| HRD | Sonic 2 | 50 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| HRD | Sonic 2 | 50 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| HRD | Sonic 2 | 50 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| HRD | Sonic 2 | 50 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| HRD | Sonic 2 | 50 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| HRD | Sonic 2 | 50 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Keeway | TX | 50 X-Ray | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Keeway | TX | 50 X-Ray | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Keeway | TX | 50 X-Ray | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | TM | 50 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | TM | 50 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | TM | 50 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | TM | 50 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | TM | 50 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | TM | 50 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | TM | 50 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | TM | 50 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kreidler | Vabene | 50 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kreidler | Vabene | 50 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kreidler | Vabene | 50 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Lexmoto | LSM | 50 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Malaguti | Drakon | 50 Naked | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Malaguti | JX | 50 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Malaguti | JX | 50 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Piaggio | Primavera | 50 (Vespa) | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Piaggio | Primavera | 50 (Vespa) | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Piaggio | Primavera | 50 (Vespa) | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Piaggio | Primavera | 50 (Vespa) | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Piaggio | Primavera | 50 (Vespa) | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Quelle | Silver | 50 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Quelle | Silverfox | 50 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Quelle | Silverfox | 50 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Quelle | Silverfox | 50 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Quelle | Silverfox | 50 AC | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Quelle | Silverfox | 50 AC | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Quelle | Silverfox | 50 AC | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | Drac | 50 - 2T | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | Drac | 50 - 2T | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | Drac | 50 - 2T | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | Drac | 50 - 2T | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | NKD | 50 Naked - 2T | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | NKD | 50 Naked - 2T | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | NKD | 50 Naked - 2T | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | NKD | 50 Naked - 2T | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | NKD | 50 Naked - 2T | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | NKD | 50 Naked - 2T | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | NKD | 50 Naked - 2T | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | RR | 50 Supermotard - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | RRX | 50 - 2T | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | RRX | 50 - 2T | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | RRX | 50 - 2T | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | RRX | 50 - 2T | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | RS1 | 50 Castrol - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Rieju | Spike | 50 - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sachs | ZX | 50 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sachs | ZX | 50 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sachs | ZX | 50 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sachs | ZX | 50 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sachs | ZX | 50 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sachs | ZX | 50 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sachs | ZZ | 50 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | RG | 50 T | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 50 T | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 50 WD | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 50 WD | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 50 WD | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | MK | 50 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | MK | 50 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Sprint | 50 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Sprint | 50 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Sprint | 50 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Sprint | 50 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Sprint | 50 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BMW | R50 | 500 | 1955 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 | 1956 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 | 1957 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 | 1958 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1959 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1960 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1961 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1962 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1963 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1964 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1965 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1966 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 2 | 1967 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 5 | 1968 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 / 5 - -247 | 1969 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 S | 1960 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BMW | R50 | 500 S | 1961 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BSA | B50 | 500 Gold Star - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B50 | 500 Gold Star - 4T | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B50SS | 500 Street Scrambler - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B50SS | 500 Street Scrambler - 4T | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B50T | 500 Victor Trial - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B50T | 500 Victor Trial - 4T | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | B50T | 500 Victor Trial - 4T | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | Royal Star | 500 - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | Royal Star | 500 - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | Royal Star | 500 - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | Royal Star | 500 - 4T | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | Royal Star | 500 - 4T | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CB | 500 T - Twin | 1974 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 500 T - Twin | 1975 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 500 T - Twin | 1976 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Honda | CB | 500 T - Twin | 1977 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Husqvarna | XC | 500 - 4T | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | XC | 500 - 4T | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Husqvarna | XC | 500 - 4T | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | KX | 500 B1 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 B2 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 C1 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 D1 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E1 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E10 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E11 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E12 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E13 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E14 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E15 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E16 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E2 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E3 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E4 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E5 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E6 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E7 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E8 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 500 E9 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Matchless | G50 | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G50 | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G50 | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G50 | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G50 | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G50 | 500 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza | 1977 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza | 1978 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza | 1979 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza | 1980 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza | 1981 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza - Custom | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza - Custom | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza - Custom | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza - Custom | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 Monza - Custom | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 1993 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 1996 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 1997 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 1998 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 1999 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 2000 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V50 | 500 PA | 2001 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Bullet | 500 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Classic | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Classic | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Classic | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Classic | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Classic | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Classic | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Classic | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 DeLuxe | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Efi | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Efi | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Efi | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Efi | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Efi | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Electra | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Silverstar | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Silverstar | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Silverstar | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Silverstar | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Sixty-Five | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Sixty-Five | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Sixty-Five | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Sixty-Five | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bullet | 500 Standard | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 Efi | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 Efi | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 Efi | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 Efi | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 Efi | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 500 Efi | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Clubman | 500 Efi | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Clubman | 500 Efi | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Clubman | 500 Efi | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Clubman | 500 Efi | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 DLX G5 Drum | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 DLX G5 Drum | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 DLX G5 Drum | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 DLX G5 Drum | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 DLX G5 Drum | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 DLX G5 Drum | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 E5 Drum | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 E5 Drum | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 E5 Drum | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 E5 Drum | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 E5 Drum | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Electra | 500 E5 Drum | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Fury | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Fury | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Fury | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Fury | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Fury | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Fury | 500 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Fury | 500 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Fury | 500 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Meteor | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Meteor | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Sixty Five | 500 Drum | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Sixty Five | 500 Drum | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Sixty Five | 500 Drum | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Sixty Five | 500 Drum | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Sixty Five | 500 Drum | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Trials | 500 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Trials | 500 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Trials | 500 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Trials | 500 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Trials | 500 | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Trials | 500 | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Trials | 500 | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Woodsman | 500 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Woodsman | 500 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Woodsman | 500 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Woodsman | 500 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Suzuki | LT | 500 R | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | LT | 500 R | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | LT | 500 R | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | LT | 500 R | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | LT | 500 R - QuadRacer | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | LT | 500 R - QuadRacer | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | LT | 500 R - QuadRacer | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | LT | 500 R - QuadRacer | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1947 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1948 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1949 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1950 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1951 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1952 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1953 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1954 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1955 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1956 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1957 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5T | 500 Speed Twin - 4T | 1958 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1958 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1959 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1960 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1961 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1962 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1963 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1964 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1965 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1966 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1967 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 5TA | 500 Speed Twin - 4T | 1968 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Daytona | 500 T100R - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Daytona | 500 T100R - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Daytona | 500 T100R - 4T | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Daytona | 500 T100R - 4T | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Daytona | 500 T100R - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Daytona | 500 T100R - 4T | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Daytona | 500 T100R - 4T | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Daytona | 500 T100R - 4T | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | T100 | 500 Tiger - 4T | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR5 | 500 Trophy - 4T | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR5 | 500 Trophy - 4T | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR5 | 500 Trophy - 4T | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR5 | 500 Trophy - 4T | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR5 | 500 Trophy - 4T | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR5 | 500 Trophy - 4T | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR5 | 500 Trophy - 4T | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR5 | 500 Trophy - 4T | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | IT | 500 G | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | IT | 500 H | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | WR | 500 Z | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | WR | 500 Z | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 500 J | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 500 K | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 500 L | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 500 M | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 500 N | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 500 P | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 C | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 EC | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 EN | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 ET | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 EV | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 EX | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 EZ | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 EZ | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 EZ | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 LD | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 LF | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 LG | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 LG | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 LT | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 LT | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 LX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 LX | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 M - Katana | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 MY - Katana | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 550 MZ - Katana | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | M65 | 65 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | M65 | 65 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | M65 | 65 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | M65 | 65 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | M65 | 65 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | M65 | 65 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson | MC65 | 65 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| LEM | RX | 65 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| LEM | RX | 65 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | A65 | 650 - 4T | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 - 4T | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - Firebird Scrambler | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - Firebird Scrambler | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - Rocket 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - Spitfire MKII 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - Spitfire MKIII | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - Spitfire MKIV Special | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - Thunderbolt Oil in Frame | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 1T - Thunderbolt Oil in Frame | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 2H - Hornet Off Road | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 2H - Hornet Off Road | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 2H - Lightning | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 2S - Lightning | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 2S - Thunderbolt | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 2S - Thunderbolt | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 2S - Thunderbolt | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 2S - Thunderbolt 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 FB - Lightning | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 FB - Lightning | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 FB - Lightning | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Firebird Scrambler - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Firebird Scrambler - 4T | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Firebird Scrambler - 4T | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Hornet - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Hornet - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Hornet - Lightning Oil in Frame | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Hornet - Thunderbolt Oil in Frame | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - Hornet Off Road | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - Hornet Off Road 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - Lightning Oil in Frame | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - Lightning Oil in Frame | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - Spitfire MKIII | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - Thunderbolt | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - Thunderbolt | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 L - Thunderbolt Oil in Frame | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Lightning Rocket - 4T | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 R - 4T | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 R - Spitfire MKII 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 R - Star Twin 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Rocket - 4T | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Rocket - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Rocket - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Rocket GS - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Spitfire - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Spitfire - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Spitfire - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Spitfire - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Spitfire - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Star Twin - 4T | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Star Twin - 4T | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Star Twin - 4T | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | A65 | 650 Thunderbolt - 4T | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| BSA | Scrambler | 650 new | 2026 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Longjia | Vbob | 650 i | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Moto Guzzi | V65 | 650 | 1981 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1988 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1993 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Florida | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 GT | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 GT | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 GT | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Lario | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Lario | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Lario | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Lario | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Lario | 1988 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 Lario | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 SP | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 SP | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 SP | 1984 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 SP | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 SP | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 SP | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1988 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1993 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V65 | 650 TT | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | VT | 650 TT - Baja | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1969 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1970 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1971 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1972 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1973 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1974 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1975 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1976 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | T110 | 650 Tiger - 4T | 1954 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | T110 | 650 Tiger - 4T | 1955 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | T110 | 650 Tiger - 4T | 1956 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | T110 | 650 Tiger - 4T | 1957 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | T110 | 650 Tiger - 4T | 1958 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | T110 | 650 Tiger - 4T | 1959 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | T110 | 650 Tiger - 4T | 1960 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | T110 | 650 Tiger - 4T | 1961 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1947 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1948 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1949 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1950 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1951 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1952 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1953 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1954 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Thunderbird | 650 6T - 4T | 1955 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1955 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1956 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1957 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1958 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1959 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1970 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1971 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1972 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | Tiger | 650 TR6R - 4T | 1973 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1956 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1957 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1958 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1959 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1960 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1961 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1962 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1963 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1964 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1965 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR6 | 650 Trophy - 4T | 1966 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Triumph | TR7 | 650 5 Speed - 4T | 1973 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Kawasaki | Z | 700 A1 | 1987 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | ZN | 700 A1 - LTD | 1984 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | ZN | 700 A2 - LTD | 1985 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Puch | Cobra | 75 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | Lido | 75 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | A75 | 750 - 4T | 1969 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 - 4T | 1970 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 R - 4T | 1971 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 R - Rocket | 1969 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 R - Rocket 3 | 1970 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 R - Rocket 3 | 1971 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 R - Rocket 3 | 1972 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 Rocket - 4T | 1971 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 Rocket - B | 1971 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 Rocket Three - 4T | 1969 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 Rocket Three - 4T | 1970 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 Rocket Three - A | 1972 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| BSA | A75 | 750 Rocket Three - B | 1972 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Kawasaki | GT | 750 P1 - Shaft Drive Z750P | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GT | 750 P2 - Shaft Drive Z750P | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GT | 750 P3 - Shaft Drive Z750P | 1984 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GT | 750 P4 - Shaft Drive Z750P | 1985 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GT | 750 P5 - Shaft Drive Z750P | 1986 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GT | 750 P6 - Shaft Drive Z750P | 1987 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GT | 750 P7 - Shaft Drive Z750P | 1988 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GT | 750 P8 - Shaft Drive Z750P | 1989 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | GT | 750 P9 - Shaft Drive Z750P | 1990 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 B1 - Twin | 1976 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 B2 - Twin | 1977 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 B3 - Twin | 1978 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 B4 - Twin | 1979 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 D1 - Twin | 1978 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 D2 - Twin | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 E1 | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 E2 | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 F1 | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 G1 - LTD 2 cyl | 1981 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 GP | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 H1 - LTD | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 L1 | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 L2 | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 L3 | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 M1 - CSR Twin | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 N - Spectre | 1984 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 N1 - Spectre | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 N2 - Spectre | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 R1 | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 750 S1 | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Laverda | 750 | 750 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 750 | 750 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 750 | 750 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | 750 | 750 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GT | 750 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GT | 750 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GT | 750 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GT | 750 inc American Eagle | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GT | 750 inc American Eagle | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GT | 750 inc American Eagle | 1996 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GT | 750 inc American Eagle | 1997 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GT | 750 inc American Eagle | 1998 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GTL | 750 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GTL | 750 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | GTL | 750 inc American Eagle | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GTL | 750 inc American Eagle | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GTL | 750 inc American Eagle | 1996 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GTL | 750 inc American Eagle | 1997 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | GTL | 750 inc American Eagle | 1998 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Laverda | SF | 750 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SF | 750 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SF | 750 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SF | 750 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SF | 750 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SF | 750 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SF | 750 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC | 750 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC | 750 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC | 750 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC | 750 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC | 750 Elektronica | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC | 750 Elektronica | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Laverda | SFC | 750 Elektronica | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Breva | 750 | 2003 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2004 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2005 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2006 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2007 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2008 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2009 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2010 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2011 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 | 2012 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 Touring | 2006 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 Touring | 2007 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Breva | 750 Touring | 2008 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1993 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1996 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1997 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1998 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 1999 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2000 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2001 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2002 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2003 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2006 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2007 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2008 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2014 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2015 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 | 2016 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Anniversario | 2012 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Anniversario | 2013 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Aquila Nera | 2011 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Aquila Nera | 2012 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Aquila Nera | 2013 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Aquila Nera | 2014 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2004 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2005 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2006 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2007 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2008 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2009 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2010 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2011 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2012 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2013 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Classic | 2014 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Club | 1999 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Club | 2000 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Club | 2001 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Club | 2002 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Club | 2003 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | Nevada | 750 Club | 2004 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | NTX | 750 Adv. | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | NTX | 750 Adv. | 1987 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | NTX | 750 Adv. | 1988 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | NTX | 750 Adv. | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | NTX | 750 Adv. | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | NTX | 750 Adv. | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | NTX | 750 Adv. | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | NTX | 750 Adv. | 1993 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V7 | 750 | 1969 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V7 | 750 | 1970 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V7 | 750 Cafe Classic | 2009 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Cafe Classic | 2010 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Cafe Classic | 2011 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Cafe Classic | 2012 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Classic | 2008 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Classic | 2009 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Classic | 2010 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Classic | 2011 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Classic | 2012 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.6 |
| Moto Guzzi | V7 | 750 Sport | 1971 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V7 | 750 Sport | 1972 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V7 | 750 Sport | 1973 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V7 | 750 Sport | 1974 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1985 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1986 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1989 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1990 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1993 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 | 1996 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 Strada | 1994 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 Strada | 1995 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 Strada | 1996 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 Targa | 1991 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Moto Guzzi | V75 | 750 Targa | 1992 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Suzuki | GS | 750 B DB | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 C DC EC | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 EN DN | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 EN DN | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 EN DN | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 EN DN | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 ESD | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 LN - Custom | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 LT - Custom | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 750 LX - Custom | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 Brembo Caliper - 4T | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Bonneville | 750 Brembo Caliper - 4T | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Bonneville | 750 T140V - 4T | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Hurricane | 750 - 4T | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Rushden | 750 - 4T | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Rushden | 750 - 4T | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | TR7V | 750 Tiger - 4T | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Triumph | Trident | 750 T150V - 4T | 1969 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Triumph | Trident | 750 T150V - 4T | 1970 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Triumph | Trident | 750 T150V - 4T | 1971 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Triumph | Trident | 750 T150V - 4T | 1972 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Triumph | Trident | 750 T150V - 4T | 1973 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Triumph | Trident | 750 T160V - 4T | 1974 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Triumph | Trident | 750 T160V - 4T | 1975 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Triumph | Trident | 750 T160V - 4T | 1976 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| Yamaha | TX | 750 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | TX | 750 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | TZ | 750 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | TZ | 750 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | TZ | 750 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | TZ | 750 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | TZ | 750 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | TZ | 750 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Ancillotti | MC | 80 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Ancillotti | MC | 80 Cross | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Ancillotti | PS | 80 MX | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Evo | 80 Junior | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Junior | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Evo | 80 Senior | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Cocis | 80 2T | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Cocis | 80 2T | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Prima | 80 2T | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Prima | 80 2T | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | Prima | 80 2T | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | SuperCity | 80 2T | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | SuperCity | 80 2T | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | W4 | 80 Pro Action - Trail | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Cagiva | W4 | 80 Pro Action - Trail | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Fantic | Cross | 80 Competition | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | Koala | 80 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | Koala | 80 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | Koala | 80 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Fantic | Koala | 80 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Hercules | XE9 | 80 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | XE9 | 80 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | XE9 | 80 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | XE9 | 80 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | XE9 | 80 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | XE9 | 80 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | XE9 | 80 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | CRM | 80 R | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CRM | 80 R | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CRM | 80 R | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CRM | 80 R | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | CRM | 80 R | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | MTX | 80 C - Import | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | MTX | 80 R2 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | MTX | 80 RFC | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | MTX | 80 RFD | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | MTX | 80 RFE | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | MTX | 80 RFF | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Honda | NSR | 80 R | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 80 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 80 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 80 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 80 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 80 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 80 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 80 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KDX | 80 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 80 B1 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Kawasaki | KX | 80 B2 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Puch | Lido | 80 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Puch | Lido | 80 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RG | 80 Gamma | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | GS | 80 RBS - Enduro | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | GS | 80 RBS - Enduro | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | MC | 80 Cross | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | MC | 80 Cross | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | MK | 80 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | MK | 80 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | TL | 80 Trial | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | TL | 80 Trial | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | TR | 80 | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| SWM | TR | 80 | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | DT | 80 LC | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 80 LC 2 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 80 LC 2 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 80 LC 2 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 80 LC 2 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | DT | 80 LC 2 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Yamaha | RD | 80 LC 1 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 80 LC 2 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RD | 80 LC 2 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TZR | 80 R | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TZR | 80 R | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TZR | 80 R | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TZR | 80 RR | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TZR | 80 RR | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TZR | 80 RR | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 80 C | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 80 D | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 80 E | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 80 F | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | YZ | 80 G | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | K | 80 2T | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | K | 80 2T | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | K | 80 2T | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 80 2T | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 80 2T | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 80 2T | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 80 2T | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 80 2T | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 80 Super | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 80 Touring K | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | KS | 80 Touring L | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | SX | 80 2T | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Zundapp | SX | 80 2T | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 850 GE | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 850 GF | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 850 GG | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 850 GH | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 850 GN | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 850 GT | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 850 GX | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | GS | 850 GZ | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | Z | 900 A4 | 1976 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 900 A5 | 1977 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z | 900 B1 - LTD | 1976 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z1 | 900 | 1973 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z1A | 900 | 1974 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |
| Kawasaki | Z1B | 900 | 1975 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.6 |