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 flangeOverhaul of the cylinder barrel/piston components
Overhauling the cylinder
Check that the walls of the cylinder bore are perfectly smooth. Measure the
cylinder bore diameter at 50 mm from the top
face and determine the size class to which it belongs in accordance with the
values specified in sect. 3 -
1.1Cylinder/piston. Repeat measurement o ...
Checking the frame
Check the dimensions of the frame against the dimensions shown here to
determine whether it needs to be realigned or
renewed.
Important
Damaged frames must be changed, not repaired. Any work carried out on the
frame can give rise to potential danger,
infringing the requirements of ec directi ...
Overhaul of cylinder head components
Cylinder heads
Remove any carbon deposits from the combustion chamber and its ducts.
Remove any scale from the coolant ducts.
Check for cracking and inspect the sealing surfaces for scoring, ridges or other
damage.
Check that the cylinder barrel mating surfaces of the cylinder head are ...