Fault Diagnosis
| Symptom | Cause | Remedy |
|---|---|---|
| Erratic running Stalling at idling Lack of power High fuel consumption |
Sticking piston: Dirty piston and suction chamber Jet out of centre Bent needle |
Clean Re-centre Fit new |
| Hesitation at pick-up | Low damper oil level Incorrect oil grade (too thin) |
Top up Replace with correct grade |
| Float chamber flooding | Dirty or worn float-chamber needle valve (dirty fuel) Punctured float Incorrect fuel level |
Clean or renew valve (flush system) Fit new Check and reset level |
