SU Fixed Metering Needle — Code WO4 | AUD 1416 | SU Specialists
$29.00
Sale price
$29.00
Regular price
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SU Fixed Metering Needle — Code WO4 | AUD 1416 | SU Specialists
$29.00
Sale price
$29.00
Regular price
Genuine SU fixed metering needle, code WO4, for SU carburettors with a .100in jet.
- Needle code: WO4
- Type: Fixed
- Jet size: .100in
- Profile stations: 14
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 | .100 | 8 | .074 |
| 2 | .095 | 9 | .0712 |
| 3 | .090 | 10 | .069 |
| 4 | .086 | 11 | .066 |
| 5 | .082 | 12 | .0634 |
| 6 | .0794 | 13 | .061 |
| 7 | .0768 | 14 | .058 |
Not sure which needle you need? Use Find My Kit or send us your carburettor details and we will check it for you.