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- Spark Plugs
- Champion N4C Spark Plug
- £4.28 £3.57 (Exc. VAT) (Exc. VAT) (Inc. VAT) (Inc. VAT)
- |
- (%)
- COPPER PLUS, TRIED AND TRUE
Manufacturer Part No. (MPN): OE079/T10
Barcode: 5010874502642
| Material: | Standard |
Fitment Summary
Compatible with 755 models (yearly).
- Acossato: CE 50, Enduro 50 Codice
- Benelli: 2C 125, 2C 125SE, G2 50, G2 50 Elle, Motorella 50
- Beta: TR 240, TR32 240, TR33 240, TR33 240 Trekking, TR35 125, Trial 125Evo
- Borile: B 500MT
- BSA: A10 650 Road Rocket, A10 650 Rocket Gold Star, A10 650 Super Rocket, C10 250, C10 250G, C11 250, Fury 350, Sunbeam 250
- Harley-Davidson AMF: SXT 125
- Hercules: ZX1 50AC
- Honda: NS125 F, NS125 R
- Kawasaki: AE 50A1, AE 50A2, AE 50A3, AE 50A4, AE 50A5, AR 50A1, AR 50A2, AR 50A3, AR 50A4, AR 50A5, AR 50C1, AR 50C10, AR 50C2, AR 50C3, AR 50C4, AR 50C5, AR 50C6, AR 50C7, AR 50C8, AR 50C9, Z 650B1, Z 650B2, Z 650B3, Z 650B4, Z 650C1, Z 650C2, Z 650C3, Z 650C4, Z 650CSR, Z 650F1, Z 650F2, Z 650F3, Z 650F4, Z 650SR
- KSR-Moto: Dayton 1504T
- Lambretta: DL 125, DL 150, DL 200, GP 125, GP 150, GP 200, J 125, L1 125, L1 150, L1 175, LN 125, LN 150, LT 50, S1 125, SL 125, SX 200, SX 200JET, SX 200 LYNX, TV 175
- Matchless: G11 600, G12 650, G2 250, G2 500, G3 350, G80 500, G80C 500, G80CS 500, G80R 500, G80S 500, G85CS 500, G9 500
- Moto Guzzi: Nibbio 50, Stornello 160
- MZ: ES 125, ES 125 Trophy, ETS/1 125 Trophy Sport
- Norton: 16H 500, 88 500, Big Four 633, Dominator 88 500, Electra 400, ES2 500, International 350, International 500, Jubilee 250, Manx 500, Model 18 500 Alloy head, Model 50 350, Model 500T 350, Model 500T 500, Model 7 500, Model 77 500, Navigator 350, Nomade 500
- Piaggio: Cosa 200
- Royal Enfield: Interceptor 750 Twin
- Suzuki: RL 250 Beamish, RL 325 Beamish, RM 250A, RM 250B, RM 250C, RM 250N, RM 250T, TF 125 Farm Bike, TS 80ER
- Triumph: 6T 650 Thunderbird, Adventurer 500 TR5T, Bonneville 650 T120 R, Bonneville 750 T140V, Daytona 500 T100R, TR6 650 Trophy, TR65 650 Thunderbird, TR6R 650 Thunderbird
- Velocette: Mac 350, MAF 350
- Vespa: Grand Sport 160, PX 200, PX 200 Lusso, Rally 180, Rally 200, Super Sport 180
- Yamaha: RT 100A, RT 100B, RT 100C, RT 100D, RT 100E, RT 100F, RT 100G, RT 100H, RT 100J, RT 100K, RT 100L, TY 125 Trial, TY 175A, TY 175B, TY 175C, TY 175D, TY 175E, TY 175F, TY 175G, TY 175H, TY 175J, TY 175K, TY 250, TY 250D, TY 250E, TY 250F, TY 250G, TY 250H, TY 250J, TY 250K
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 |
| Yamaha | RT | 100 A | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 B | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 C | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 D | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 E | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 F | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 G | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 H | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 J | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 K | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | RT | 100 L | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 125 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 125 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 125 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 125 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 125 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 125 SE | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | 2C | 125 SE | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR35 | 125 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2009 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2010 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2013 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2014 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2016 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | Trial | 125 Evo | 2017 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SXT | 125 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SXT | 125 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SXT | 125 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Harley-Davidson AMF | SXT | 125 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 F | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 F | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 F | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 F | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 F | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 F | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 F | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 F | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 R | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 R | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 R | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 R | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 R | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 R | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Honda | NS | 125 R | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | DL | 125 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | DL | 125 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | DL | 125 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 125 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | J | 125 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | J | 125 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | J | 125 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 125 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | LN | 125 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | S1 | 125 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | S1 | 125 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | S1 | 125 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SL | 125 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SL | 125 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SL | 125 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ES | 125 Trophy | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ETS/1 | 125 Trophy Sport | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ETS/1 | 125 Trophy Sport | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ETS/1 | 125 Trophy Sport | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ETS/1 | 125 Trophy Sport | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| MZ | ETS/1 | 125 Trophy Sport | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 1999 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 2000 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 2001 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 2002 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 2003 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 2004 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TF | 125 Farm Bike | 2005 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 125 Trial | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 125 Trial | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 125 Trial | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 125 Trial | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 125 Trial | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 125 Trial | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 125 Trial | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| KSR-Moto | Dayton | 150 4T | 2015 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | DL | 150 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | DL | 150 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | DL | 150 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 150 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 150 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | LN | 150 | 2011 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Stornello | 160 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Stornello | 160 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Stornello | 160 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Stornello | 160 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Grand Sport | 160 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Grand Sport | 160 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Grand Sport | 160 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 175 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 175 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 175 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 175 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 175 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 175 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 175 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | L1 | 175 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | TV | 175 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 A | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 B | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 C | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 D | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 E | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 F | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 G | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 H | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 J | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 175 K | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 180 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 180 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 180 | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 180 | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 180 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 180 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Super Sport | 180 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Super Sport | 180 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Super Sport | 180 | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Super Sport | 180 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | DL | 200 | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | DL | 200 | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | GP | 200 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 JET | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 JET | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 JET | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 JET | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 LYNX | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 LYNX | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | SX | 200 LYNX | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Piaggio | Cosa | 200 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Piaggio | Cosa | 200 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Piaggio | Cosa | 200 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | PX | 200 Lusso | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 200 | 1972 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 200 | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 200 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 200 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 200 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 200 | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 200 | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Vespa | Rally | 200 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 240 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 240 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 240 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR | 240 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR32 | 240 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR32 | 240 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR33 | 240 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR33 | 240 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR33 | 240 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Beta | TR33 | 240 Trekking | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1938 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1939 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1940 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1941 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1942 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1943 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1944 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1945 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1946 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C10 | 250 G | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1939 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1940 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1941 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1942 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1943 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1944 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1945 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1946 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | C11 | 250 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Sunbeam | 250 - 4T | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Sunbeam | 250 - 4T | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Sunbeam | 250 - 4T | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Sunbeam | 250 - 4T | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Sunbeam | 250 - 4T | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Sunbeam | 250 - 4T | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Sunbeam | 250 - 4T | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G2 | 250 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G2 | 250 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G2 | 250 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G2 | 250 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G2 | 250 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G2 | 250 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G2 | 250 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Jubilee | 250 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RL | 250 Beamish - L M | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RL | 250 Beamish - L M | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RL | 250 Beamish - L M | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 250 A | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 250 B | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 250 C | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 250 N | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RM | 250 T | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 D | 1977 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 E | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 F | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 G | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 H | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 J | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Yamaha | TY | 250 K | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RL | 325 Beamish | 1978 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RL | 325 Beamish | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RL | 325 Beamish | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | RL | 325 Beamish | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | Fury | 350 - 4T | 1971 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1940 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1941 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1942 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1943 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1944 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1945 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1946 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G3 | 350 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 350 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 50 | 350 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 50 | 350 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 50 | 350 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 50 | 350 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 50 | 350 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 50 | 350 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 50 | 350 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 350 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 350 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 350 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 350 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 350 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 350 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Navigator | 350 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Navigator | 350 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Navigator | 350 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Navigator | 350 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Navigator | 350 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Navigator | 350 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | Mac | 350 | 1940 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Velocette | MAF | 350 | 1941 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Electra | 400 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Electra | 400 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Electra | 400 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Acossato | CE | 50 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Acossato | Enduro | 50 Codice | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | G2 | 50 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | G2 | 50 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | G2 | 50 Elle | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | G2 | 50 Elle | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | Motorella | 50 | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Benelli | Motorella | 50 | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | ZX1 | 50 AC | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | ZX1 | 50 AC | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | ZX1 | 50 AC | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | ZX1 | 50 AC | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | ZX1 | 50 AC | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | ZX1 | 50 AC | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | ZX1 | 50 AC | 1992 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Hercules | ZX1 | 50 AC | 1993 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 50 A1 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 50 A2 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 50 A3 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 50 A4 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AE | 50 A5 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 A1 | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 A2 | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 A3 | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 A4 | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 A5 | 1985 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C1 | 1986 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C10 | 1997 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C10 | 1998 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C2 | 1987 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C3 | 1988 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C4 | 1989 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C5 | 1990 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C6 | 1991 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C7 | 1994 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C8 | 1995 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Kawasaki | AR | 50 C9 | 1996 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Lambretta | LT | 50 | 2012 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Nibbio | 50 | 1975 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Moto Guzzi | Nibbio | 50 | 1976 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Borile | B | 500 MT | 2007 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G2 | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1945 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1946 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80 | 500 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80C | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80CS | 500 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80R | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80R | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80R | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G80S | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G85CS | 500 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G85CS | 500 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G85CS | 500 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G9 | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1946 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 16H | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 88 | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 88 | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 88 | 500 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 88 | 500 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 88 | 500 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | 88 | 500 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Dominator 88 | 500 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | ES2 | 500 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | International | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1946 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Manx | 500 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1946 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1948 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 18 | 500 Alloy head | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 500T | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 7 | 500 | 1949 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 7 | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 7 | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 7 | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 7 | 500 | 1953 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 7 | 500 | 1954 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 7 | 500 | 1955 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 7 | 500 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 77 | 500 | 1950 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 77 | 500 | 1951 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Model 77 | 500 | 1952 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Nomade | 500 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Nomade | 500 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Nomade | 500 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Adventurer | 500 TR5T - 4T | 1973 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Adventurer | 500 TR5T - 4T | 1974 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Daytona | 500 T100R - 4T | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G11 | 600 | 1956 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G11 | 600 | 1957 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G11 | 600 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G11 | 600 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Norton | Big Four | 633 | 1947 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | A10 | 650 Road Rocket - 4T | 1954 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BSA | A10 | 650 Road Rocket - 4T | 1955 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BSA | A10 | 650 Road Rocket - 4T | 1956 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BSA | A10 | 650 Road Rocket - 4T | 1957 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BSA | A10 | 650 Rocket Gold Star - 4T | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | A10 | 650 Rocket Gold Star - 4T | 1962 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BSA | A10 | 650 Rocket Gold Star - 4T | 1963 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BSA | A10 | 650 Super Rocket - 4T | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | A10 | 650 Super Rocket - 4T | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | A10 | 650 Super Rocket - 4T | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | A10 | 650 Super Rocket - 4T | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| BSA | A10 | 650 Super Rocket - 4T | 1962 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| BSA | A10 | 650 Super Rocket - 4T | 1963 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 B1 | 1977 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 B2 | 1978 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 B3 | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 B4 | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 C1 | 1977 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 C2 | 1978 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 C3 | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 C4 | 1980 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 CSR | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 CSR | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 F1 | 1981 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 F2 | 1982 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 F3 | 1983 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 F4 | 1984 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 SR | 1978 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Kawasaki | Z | 650 SR | 1979 | Plugs Required: 4 | Cylinders: 4 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1958 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1959 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1960 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1961 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Matchless | G12 | 650 | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | 6T | 650 Thunderbird - 4T | 1963 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 6T | 650 Thunderbird - 4T | 1964 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 6T | 650 Thunderbird - 4T | 1965 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | 6T | 650 Thunderbird - 4T | 1966 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1959 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1960 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1961 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1962 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1963 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1964 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1965 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1966 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1967 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | Bonneville | 650 T120 R - 4T | 1968 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR6 | 650 Trophy - 4T | 1967 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR6 | 650 Trophy - 4T | 1968 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR6 | 650 Trophy - 4T | 1969 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR6 | 650 Trophy - 4T | 1970 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR6 | 650 Trophy - 4T | 1971 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR6 | 650 Trophy - 4T | 1972 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR65 | 650 Thunderbird - 4T | 1982 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR65 | 650 Thunderbird - 4T | 1983 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Triumph | TR6R | 650 Thunderbird - 4T | 1963 | Plugs Required: 2 | Cylinders: 2 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1962 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1963 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1964 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1965 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1966 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1967 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1968 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1969 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Royal Enfield | Interceptor | 750 Twin | 1970 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1979 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1980 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Triumph | Bonneville | 750 T140V - 4T | 1984 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 80 ER | 1981 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 80 ER | 1982 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |
| Suzuki | TS | 80 ER | 1983 | Plugs Required: 1 | Cylinders: 1 | Gap (mm): 0.5 |