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:

Service recommendations
To help you service your vehicle: We highlight do-it-yourself items in the engine compartment for easy location. We provide a scheduled maintenance guide which makes tracking routine service ...

Weber 2V carburettor automatic choke unit - removal, checking and refitting
XR3 models Removal 1 Remove the air cleaner (Section 2). 2 Disconnect the electrical lead to the automatic choke. 3 Undo the three choke housing cover retaining screws, withdraw the cover and bi ...

Crankshaft and main bearings - removal and refitting
Removal 1 With the engine removed from the vehicle, remove the timing belt, crankshaft sprocket, auxiliary shaft sprocket and the flywheel/driveplate. 2 Remove the pistons and connecting rods. If ...