See also:

Major operations requiring engine removal
The following work can only be carried out after removal of the engine from the car: a) Crankshaft main bearings - renewal. b) Crankshaft - removal and refitting. c) Flywheel - removal and refitti ...

Oil filler cap cleaning - OHVand HCS engines (Every 6000 miles or 6 months)
1 Simply pull the oil filler cap from the rocker cover and, where applicable, disconnect the hose(s) from the cap. 2 Inspect the filler cap, and if necessary clean the cap using clean petrol to re ...

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 ...