Manifolds, exhaust and emission control systems
All models utilise a light alloy inlet manifold which on carburettor models is coolant heated to improve the atomisation of the fuel/air mixture.
The exhaust manifold is of cast iron construction and incorporates a heated air box as part of the air inlet system on carburettor models.
See also:
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 ...
Throttle valve control motor - removal and refitting
Removal
1 Disconnect the battery negative lead.
2 Remove the air cleaner assembly.
3 Disconnect the wiring plugs from the motor
and the throttle position sensor.
4 Remove the screws securing the ...
Fuel pressure regulator - removal and refitting
Note: Refer to the precautions at the end of
Section 1 before proceeding. A new sealing
ring will be required on refitting.
Removal
1 Disconnect the battery negative lead.
2 Depressurise the fuel ...
