Undo the three stator retaining screws (25) and the two retaining screws (9) of the two cable grommet bracket (10) from inside the generator cover.
Remove the stator (2) and the cable grommet bracket (10).


The generator-side crankcase cover is fitted with a bearing (27), held in place by circlip (23), which is located on the end of the crankshaft.
Remove the circlip (23) with circlip pliers.
Remove the bearing (27) using a universal puller.
Be careful when fitting the new bearing (27) to ensure it is positioned with the shielded side facing away from the cover.
Secure the bearing with the circlip (23), ensuring that it is correctly fitted in its seat in the generator cover (13).
Remove the water pump components as described in sect. 9 - 3.3, Removal of the water pump.

Removal of the generator cover
Removing the flywheel - generator assemblyRoutine maintenance record
...
Overhaul of the flywheel-alternator assembly
Examine the inner part of alternator rotor (24) for signs of damage. Check
that the starter clutch is working properly and
that the needle races do not show signs of wear or damage of any kind. If there
is any malfunction, remove the whole
assembly.
Disassembling the generator flywheel
U ...
Adjusting the chain tension
Make the rear wheel turn until you find the position where chain is tightest.
Set the vehicle on the side stand. Push down
the chain at the point of measurement and release. Measure the distance between
the "aperture" upper profile and pin
centre.
The read distance must be: 9 to 11 mm.
...