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:
Valve clearance adjustment - OHV and HCS engines (Every 12 000
miles or 12 months)
OHV engines
1 This operation should be carried out with
the engine cold and the air cleaner and rocker
cover removed.
2 Using a ring spanner or socket on the
crankshaft pulley bolt, turn the cran ...
Water pump - removal and refitting
OHV engines
Note: A new gasket and suitable jointing
compound must be used on refitting.
Removal
1 Drain the cooling system as described in
Chapter 1.
2 Slacken the three water pump pulley
reta ...
Engine dismantling, examination, renovation and reassembly - general
information
Dismantling
1 It is best to mount the engine on a
dismantling stand but if this is not available,
stand the engine on a strong bench at a
comfortable working height. Failing this, it will
have to ...
