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- Champion N3C (NGK B8ES) Spark Plug
- £5.00 £4.17 (Exc. VAT) (Exc. VAT) (Inc. VAT) (Inc. VAT)
- |
- (%)
- COPPER PLUS, TRIED AND TRUE
Manufacturer Part No. (MPN): OE068/T10
Barcode: 5010874702639
| Material: | Standard |
Fitment Summary
Compatible with 1,468 models (yearly).
- Acossato: CE 125 Cross, CE 125 Enduro
- Aermacchi HD: GT 350, GT 350 Sprint, SX 350, TV 350
- Alfer: GR 300 Enduro, TX 300
- 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, Climber 275, Climber 276, Red Rose Classic 50R16, Red Rose Classic 50XL, RS 125, RS 50, RS 50 Extrema, RS 50 Replica, Scarabeo 150PC
- Benelli: 2C 250 Twin Cyl, TS 251
- Beta: Alp 240, CR 250, CRRV 250, RX 250, Sincro 125 Trials, Sincro 200 Trials, Sincro 250 Trials, Sincro 300 Trials, Super Trial 240, Supertrial 50, Synt 125, 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: A75 750, A75 750R, A75 750 Rocket, A75 750 Rocket Three, Rambler 175, Scrambler 650new, Tracker 175, Trials 175
- 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 250, ALA Verde 350, Cocis 502T, Cocis 802T, K3 502T, Prima 502T, Prima 802T, Super City 502T, SuperCity 802T, W4 50 Pro Action, W4 80 Pro Action
- Derbi: Box 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
- Fantic: Koala 50, Koala 50 Casa, Trial 300 Progress 2, Trial 301FM, Trial 301 Progress 2, Trial 303 FM 364, Trial 305, Trial 350, Trials 307, Trials 300 300ES, XE 300 Enduro
- Gilera: GR1 125
- Harley-Davidson: FLFBS 1868 Softail, FLHCS 1868 Heritage Classic, FLHTCUTG 1868 Tri Glide Ultra, FLRT 1868 Freewheeler, FLTRU 1868 Road Glide, FLTRXS 1868 Road Glide, FXBRS 1868 Superglide Sturgis, FXFB 1868 Fat Bob, FXFBS 1868 Fat Bob, 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, SX 250, SX 350
- Hercules: 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, 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, FES125 Pantheon, FES150 Y, MBX125 R, MTX125 R, MTX125 R2, MTX125 RF, MTX125 RWD, MTX125 RWF, NS250 RE, NS250 RG, NS250 RH, TLM50 Trail
- Husqvarna: RC 125, RC 250, TE 125, XC 500
- Kawasaki: AE 125A1, AE 125A2, AE 125A3, AE 125A4, AE 125A5, AE 125A6, AE 125A7, AE 125A8, AE 125A9, AE 125B1, AE 125B2, KV 250
- Keeway: TX 50 X-Ray
- Kreidler: TM 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
- Malaguti: JX 50
- Malanca: GT5 125, GTI 125, Mark 125 Enduro, OB 125One, ST54 125
- Matchless: G50 500
- Moto Guzzi: GTS 3504C, Nevada 350, 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 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
- Puch: Cobra 75, Cross 250, FS 125, FS 125 Regolarita, FS 250, FS 250 Regolarita, GS 348, HFE 250, Lido 75, Lido 80
- Royal Enfield: Bear 650, Bullet 500, Classic 650, Continental 650GT, Fury 500, Interceptor 650, Meteor 500, Shotgun 650, Super Meteor 650
- Scorpa: SY 250FR
- Sherco: SCF 500 Cross Country, SEF 125, SEF 450 Factory, SEF 450 Factory 4T, SEF 450 Racing 4T, SEF 500 Racing, SEFR 125, SEi 450 Enduro 4.5, SEiR 450 Enduro 4.5, SM 450 Supermotard, SMF 500 Factory
- Suzuki: 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 50T, RG 50WD, RG 80 Gamma, RM 400C, RM 400N, RM 400T, RM 465X, SB 200E, SB 200N, SB 200X, SB 200Y, SP 200 Trail, 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
- 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 T140V, T90 350 Tiger, Trident 750 T150V, Trident 750 T160V, Trophy 250 TR25W, Twenty one 3503TA
- Velocette: Thruxton 499, Venom 499, Viper 350
- Vespa: Sei Giorni 300 Sprint
- Yamaha: DT 100D, DT 100E, DT 100F, DT 100G, DT 100H, DT 100J, DT 100K, DT 125A, DT 125C, DT 125E F, DT 125MX, DT 125V, 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, IT 500G, IT 500H, MX 100A, MX 100B, MX 100C, MX 100D, MX 100E, MX 100F, MX 100G, MX 100H, RD 125C, RD 125DX, RD 200DX, RD 250A, RD 250B, RD 250C, RD 250DX, RD 250F, RD 350B, RD 400C, RD 400D, RD 80 LC 1, RD 80 LC 2, RS 200DX, TY 250 Scottish, TZR 80R, TZR 80RR, WR 500Z, YTZ 250 Tri Moto, YZ 500J, YZ 500K, YZ 500L, YZ 500M, YZ 500N, YZ 500P, YZ 80C, YZ 80D, YZ 80E, YZ 80F, YZ 80G
- Zontes: ZT 703F, ZT 703RR
- Zundapp: K 802T, KS 1752T, KS 802T, KS 80 Super, KS 80 Touring K, KS 80 Touring L, SX 802T
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 |
| 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 |
| 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 |
| 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 | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Sherco | SEF | 125 | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEFR | 125 | 2025 | 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 |
| 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 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 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 V | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| 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 |
| 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 |
| 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 | 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 |
| 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 |
| Harley-Davidson | FLFBS | 1868 Softail - Fat Boy | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLFBS | 1868 Softail - Fat Boy | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLFBS | 1868 Softail - Fat Boy | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLFBS | 1868 Softail - Fat Boy | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLFBS | 1868 Softail - Fat Boy | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLFBS | 1868 Softail - Fat Boy | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLFBS | 1868 Softail - Fat Boy | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLFBS | 1868 Softail - Fat Boy | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHCS | 1868 Heritage Classic | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHCS | 1868 Heritage Classic | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHCS | 1868 Heritage Classic | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHCS | 1868 Heritage Classic | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHCS | 1868 Heritage Classic | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHCS | 1868 Heritage Classic | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHCS | 1868 Heritage Classic | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHCS | 1868 Heritage Classic | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHTCUTG | 1868 Tri Glide Ultra | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHTCUTG | 1868 Tri Glide Ultra | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHTCUTG | 1868 Tri Glide Ultra | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHTCUTG | 1868 Tri Glide Ultra | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHTCUTG | 1868 Tri Glide Ultra | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHTCUTG | 1868 Tri Glide Ultra | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHTCUTG | 1868 Tri Glide Ultra | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLHTCUTG | 1868 Tri Glide Ultra | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLRT | 1868 Freewheeler | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLTRU | 1868 Road Glide - Touring Ultra | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLTRU | 1868 Road Glide - Touring Ultra | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLTRU | 1868 Road Glide - Touring Ultra | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLTRU | 1868 Road Glide - Touring Ultra | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLTRXS | 1868 Road Glide - Touring Special | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLTRXS | 1868 Road Glide - Touring Special | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLTRXS | 1868 Road Glide - Touring Special | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FLTRXS | 1868 Road Glide - Touring Special | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Anniversary Breakout | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Breakout | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Breakout | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Breakout | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Breakout | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Breakout | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Breakout | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Breakout | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXBRS | 1868 Superglide Sturgis - Breakout | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXFB | 1868 Fat Bob | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXFBS | 1868 Fat Bob | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXFBS | 1868 Fat Bob | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXFBS | 1868 Fat Bob | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXFBS | 1868 Fat Bob | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXFBS | 1868 Fat Bob | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Harley-Davidson | FXFBS | 1868 Fat Bob | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Beta | Sincro | 200 Trials - 2T | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 | 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 | 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 |
| 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 |
| Cagiva | Ala Verde | 250 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Ala Verde | 250 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Cagiva | Ala Verde | 250 | 1988 | 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 | 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 | 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 |
| 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 |
| 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 |
| 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 |
| Scorpa | SY | 250 FR - 4T | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Scorpa | SY | 250 FR - 4T | 2020 | 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 |
| 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 | TY | 250 Scottish | 1996 | 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 |
| 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 |
| 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 | 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 |
| Vespa | Sei Giorni | 300 Sprint | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Sei Giorni | 300 Sprint | 2018 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Sei Giorni | 300 Sprint | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Vespa | Sei Giorni | 300 Sprint | 2020 | 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 | SX | 350 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Sherco | SEF | 450 Factory | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEF | 450 Factory 4T | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEF | 450 Factory 4T | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEF | 450 Factory 4T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEF | 450 Racing 4T | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEF | 450 Racing 4T | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEF | 450 Racing 4T | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEi | 450 Enduro 4.5 | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEi | 450 Enduro 4.5 | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEi | 450 Enduro 4.5 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEiR | 450 Enduro 4.5 - Racing | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEiR | 450 Enduro 4.5 - Racing | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard | 2006 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard | 2008 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard - Black Panther | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SM | 450 Supermotard - Black Panther | 2012 | 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 |
| 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 | 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 |
| 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 |
| 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 | 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 |
| 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 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 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 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 |
| 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 |
| 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 | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 | 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 | 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 |
| Sherco | SCF | 500 Cross Country | 2019 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SCF | 500 Cross Country | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SCF | 500 Cross Country | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SEF | 500 Racing | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SMF | 500 Factory | 2020 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SMF | 500 Factory | 2021 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Sherco | SMF | 500 Factory | 2022 | 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 |
| 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 | Scrambler | 650 new | 2026 | Plugs Required: 3 | Cylinders: 3 | Gap (mm): 0.5 |
| 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 |
| Royal Enfield | Bear | 650 | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Bear | 650 | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 650 | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Classic | 650 | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Continental | 650 GT | 2022 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Continental | 650 GT | 2023 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Continental | 650 GT | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Continental | 650 GT | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Continental | 650 GT | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Continental | 650 GT - Thunder | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Continental | 650 GT - Thunder | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Interceptor | 650 | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Interceptor | 650 | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Interceptor | 650 | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Shotgun | 650 | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Shotgun | 650 | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Shotgun | 650 | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Super Meteor | 650 | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Super Meteor | 650 | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Royal Enfield | Super Meteor | 650 | 2026 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| 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 |
| Zontes | ZT | 703 F - Adventure | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Zontes | ZT | 703 F - Adventure | 2025 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Zontes | ZT | 703 RR - Supersport | 2024 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.6 |
| Zontes | ZT | 703 RR - Supersport | 2025 | Plugs Required: 1 | Cylinders: 1 | 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 |
| 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 | 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 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 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 | 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 |
| 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 |
| 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 |
| 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 |
| 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 | 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 |