See also:

Carburettor overhaul - general information
Faults with the carburettor are usually associated with dirt entering the float chamber and blocking the jets, causing a weak mixture or power failure within a certain engine speed range. If this ...

Ignition timing - adjustment for use with unleaded petrol
Note: Refer to the Specifications Section at the beginning of this Chapter for ignition timing values for use with unleaded petrol. 1 To run an engine on unleaded petrol, certain criteria must be ...

Ignition timing check - models with contact breaker distributor (Every 6000 miles or 6 months)
Note: With modern ignition systems the only suitable way to time the ignition accurately is with a stroboscopic timing light. However, for initial setting up purposes (ie after major overhaul, or ...