SU Fixed Metering Needle — Code WJ | WJ | SU Specialists
$29.00
Sale price
$29.00
Regular price
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SU Fixed Metering Needle — Code WJ | WJ | SU Specialists
$29.00
Sale price
$29.00
Regular price
Genuine SU fixed metering needle, code WJ, for SU carburettors with a 3/16in jet.
- Needle code: WJ
- Type: Fixed
- Jet size: 3/16in
- Profile stations: 20
Needle profile
Diameter in inches at each station, measured every 1/8in down the needle from the shoulder (station 1). A smaller diameter gives a richer mixture at that point. Stations 1–2 set the idle, 3–6 cover part throttle, cruising and pickup, and 7–9 the top end and full throttle on a 1¼in carburettor.
| Station | Diameter (in) | Station | Diameter (in) |
|---|---|---|---|
| 1 | .186 | 11 | .099 |
| 2 | .174 | 12 | .0915 |
| 3 | .1633 | 13 | .084 |
| 4 | .154 | 14 | .0763 |
| 5 | .145 | 15 | .069 |
| 6 | .1372 | 16 | .061 |
| 7 | .130 | 17 | .0535 |
| 8 | .122 | 18 | .046 |
| 9 | .1145 | 19 | .038 |
| 10 | .107 | 20 | .030 |
Not sure which needle you need? Use Find My Kit or send us your carburettor details and we will check it for you.