Loosen the screws (19) securing the fuel tank flange (20).
Remove the flange (20) from the tank (20).

Recover the seal (21).
Undo and remove the two fixing screws (g) and move the protection (f).
Before reassembly, carefully remove any deposits or scale from all parts.
Note
The flange is supplied as a spare part complete with the fuel pump and pressure regulator: the entire flange assembly must be replaced in the event of malfunction.

Refitting the filler cap
Refitting the fuel tank flangeChanging the engine oil and filter cartridge
Note
This operation has to be carried out with hot engine (but turned off)
because the oil in these conditions is more fluid and
its evacuation is faster and complete.
Remove the drain plug (3) with seal (a) from the oil sump and allow the oil
to drain off.
Warning
Dispose of oil and/or fil ...
Refitting the cylinder heads pulleys/fixed tensioners
Check that the keyway on the end of the camshaft is in good condition and
without burrs.
Fit a woodruff key (b) in the keyway of each camshaft.
Fit the pulley (11) on the camshaft, inserting the woodruff key in the in the
slot (c) in the pulley.
Apply the recommended grease to the t ...
Refitting the rear sprocket
Check the cush drive bushes (6) condition and, if necessary, replace them by
removing them from the flange.
Refitting is the reverse of removal.
Apply recommended grease on the rear sprocket flange (5) external diameter.
Place the rear sprocket flange (5) on sprocket (17) by inserting it ...