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 |