See also:

Idle speed and mixture adjustment (Every 6000 miles or 6 months)
Caution: Certain adjustment points in the fuel system are protected by “tamperproof” caps, plugs or seals. In some EEC countries (though not yet in the UK) it is an offence to drive a vehicle wit ...

Engine oil and filter renewal (Every 6000 miles (10 000 km) or 6 months)
1 Frequent oil and filter changes are the most important preventative maintenance procedures which can be undertaken by the DIY owner. As engine oil ages, it becomes diluted and contaminated, whic ...

Exhaust emission control system components - removal and refitting
Carburettor engines Spark delay/sustain valve Removal 1 Disconnect the vacuum lines at the valve and remove the valve from the engine. Refitting 2 When refitting a spark delay valve it must be ...