
Note
This operation is described for an engine removed from the frame since all reassembly procedures are easier with the engine on the bench.
Disconnect the connector (a) from the generator cable.

Unscrew the two retaining screws (7) of the centre cap (6) over the end of the crankshaft.

Loosen the screws (1) and (12) securing the generator cover (13).
Use tool number 88713.1749 And fix it to the holes (a) of the previously removed screws (7).
Turn the tool shaft slowly to separate the cover (13) from the lh crankcase half.

There is a seal (4) on the cover (13) in correspondence with the gearchange lever shaft that may be damaged when removing the generator cover.
Always check the condition of this sealing ring and renew it if damaged.

Flywheel - alternator
Disassembly of the generator coverAdjusting 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.
...
Removal of the gear selector lever
Unscrew and remove the fixing screws (18) and (20) of the complete gear
selector lever (21) and collect the spacer (19).
Remove the gearchange mechanism complete with the shaft, spring, and stop plate.
Important
Visually inspect the gear selector claw (14) for wear, particularly aroun ...
Reassembly of the cylinder head
The exhaust side can be identified by the three threaded holes on the flange.
The intake side can be identified by the presence of four threaded holes on
the flange.
All the photos in this chapter refer to a vertical cylinder head.
Valve guide sealing rings
Position the cylinder head o ...