Motorcycles and Scooters
B.S.A
750cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 750cc |
A75 Rocket 3 |
W24ES-U |
0.5 |
IW24 |
|
650cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 650cc |
Thunderbolt/Firebird |
W24ES-U |
0.5 |
IW24 |
|
| 650cc |
Lightning, A65H, A65FS, A65L, A65SS |
W24ES-U |
0.5 |
IW24 |
|
| 650cc |
A10RGS/A10RR/A10SR |
W22ES-U |
0.5 |
|
|
| 650cc |
A65/A65LC/A65R/A65T |
W22ES-U |
0.5 |
|
|
600cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 600cc |
M21 Cast Iron Heads |
W20FS-U |
0.5 |
IWF22 |
|
| 600cc |
M21 Aluminium Heads |
W16ES-U |
0.5 |
|
|
500cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 500cc |
A7 |
W22FS-U |
0.5 |
IWF22 |
|
| 500cc |
A7SS/A50/A50C/A50CC |
W22ES-U |
0.5 |
|
|
| 500cc |
A50W |
W24ES-U |
0.5 |
IW24 |
|
| 500cc |
B33 |
W22FS-U |
0.5 |
IWF22 |
|
| 500cc |
B34 Cast Iron Heads |
W22FS-U |
0.5 |
IWF22 |
|
| 500cc |
Aluminium Heads |
W22ES-U |
0.5 |
|
|
| 500cc |
B34 GS Clubman/Cataline |
W24ES-U |
0.5 |
IW24 |
|
| 500cc |
Gold Star Racer |
W27ES-U |
0.5 |
IW27 |
|
| 500cc |
B50MX/Victor Motor-Cross |
W24ES-U |
0.5 |
IW24 |
|
| 500cc |
B50SS |
W22ES-U |
0.5 |
|
|
| 500cc |
B50T/Victor Trial |
W22ES-U |
0.5 |
|
|
| 500cc |
Royal Star |
W24ES-U |
0.5 |
IW24 |
|
| 500cc |
M33 |
W20FS-U |
0.5 |
IWF22 |
|
440cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 440cc |
Victor B44R/B44S/B44ET |
W22ES-U |
0.5 |
|
|
| 440cc |
B44GP, B44VS |
W22ES-U |
0.5 |
|
|
350cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 350cc |
Fury |
W24ES-U |
0.5 |
IW24 |
|
| 350cc |
B40SS90 |
W22ES-U |
0.5 |
|
|
| 350cc |
B32GS/B40 |
W22ES-U |
0.5 |
|
|
| 350cc |
B32 Aluminium Heads |
W22ES-U |
0.5 |
|
|
| 350cc |
B32 Cast Iron Heads |
W22FS-U |
0.5 |
IWF22 |
|
250cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 250cc |
B25T Victor, B25 Starfire |
W24ES-U |
0.5 |
IW24 |
|
| 250cc |
B25R/SS Gold Star |
W24ES-U |
0.5 |
IW24 |
|
| 250cc |
C15SS80 |
W22ES-U |
0.5 |
|
|
| 250cc |
C15S/C25 |
W24ES-U |
0.5 |
IW24 |
|
| 250cc |
C15/C15T |
W20ES-U |
0.5 |
|
|
| 250cc |
C12 |
W22FS-U |
0.5 |
IWF22 |
|
| 250cc |
C10L/C10/M20/M21 Aluminium Heads |
W16ES-U |
0.5 |
|
|
175cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 175cc |
Bantam D10, D14, D14/4, D14/5 |
W22ES-U |
0.5 |
|
|
| 175cc |
Bantam 175, Bushman |
W22ES-U |
0.5 |
|
|
| 175cc |
Tracker |
W24ES-U |
0.5 |
IW24 |
|
150cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 150cc |
D3 |
W22FS-U |
0.5 |
IWF22 |
|
125cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 125cc |
Tracker |
W24ES-U |
0.5 |
IW24 |
|
75cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 75cc |
K1 Beagle |
U20FS-U |
0.5 |
IUF22 |
|
50cc
| CC |
Model |
Standard Plug |
Gap (mm) |
Iridium Power |
|
| 50cc |
John McLaren 1997 on |
W24FS-U |
0.6 |
IWF24 |
|
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