
Note
The following removal operations are required in order to renew and/or clean the crankcase halves. If the original crankcase halves are to be reused, then the removal of these components is not essential.
Unscrew the screw (17) and remove the oil breather valve (1) with the o-rings (2). Check the condition of o-rings (2) and renew them if necessary.


Unscrew and remove the oil filter support nipple (6) and remove also by-pass spring (7).

Remove the mesh filter (a) from the clutch crankcase half (sect. 4 - 3, Changing the engine oil and filter cartridge).

Remove the drain plug (10) with its seal (9).

Remove gear position sensor (4) by means of the tool number 88713.3407.
Remove the


Remove the cylinder head studs (5) with the aid of the appropriate tool.


To remove the engine sensor (23), unscrew the screw (25) and recover the washer (26).

Check the condition of o-rings (22) and renew them if necessary

Loosen the clutch fluid flow rate adjusting valve (36) and remove the washer (37), the spring (38), the cap (39) and the ball (40).

External components
Refitting the external componentsRefitting the tail light
Fit the spacers with collar (3) into the rear vibration dampers (2) located
on the gloves compartment (23).
Note
Two spacers (3) must be inserted inside and outside on the right side and
two spacers (3) must be inserted inside and
outside on the left side.
Insert the split vibration damp ...
Water radiators
Clip nut
Spacer
Vibration damper mount
Screw
Screw
Spacer
Vibration damper mount
Clip nut
Bush
Spacer
Rear sprocket
Screw
Water radiator (right)
Screw
Screw
Air deflector (right)
Special screw
Electro-fan
Screw
Vibration damper mount
Screw
Plug
Half ...
Refitting the gearchange mechanism
Make sure that the gearchange linkage assembly (6) is installed with the ball
joint with a left-hand thread (a) facing the
lever (8).
Apply the recommended grease to the non-threaded surface of the pin (4).
Fit the first o-ring (5) in the pin (4).
Start the pin (4) in the gearchange leve ...