Undo the screws (11) and remove the chain cover (10).
Loosen the chain (sect. 4 - 3, Adjusting the chain tension).
Remove the chain with the tool code 88713.1344.
The tool is composed of a holder (a), punch (b), body (c) and two wrenches (d) and (e).
Fit the link to be opened into the holder (a).
Fit a punch (b) into the body (c) and manually unscrew the screw until the punch no longer protrudes.
Fit the holder (a) and link into the body (c).
Manually turn the screw (f) on body (c) so that the punch (b) locates against the pin, taking care that they are aligned with each other.
Fit hex wrench (d) into the hexagonal part of the body (c) and wrench (e) onto the bolt.
Turn the bolt (f) clockwise to push out the pin.
Remove the chain.
Engage a low gear and unscrew the nut (12).
Remove the nut (12) and the safety washer (13) on the pinion.
Remove the engine pinion (14) from the gearbox secondary shaft.
Remove the spacer (15) with o-ring (16) from the gearbox secondary shaft.
Important
The o-ring (16) must be renewed on reassembly.
Rear shock absorber assembly
Special screw
Screw
Nut
Grub screw
Bush (right)
Bush (left)
Screw
Sealing ring
Roller bearing
Linkage (left)
Shock absorber (rear)
Linkage (right)
Spacer
Special screw
Screw
Bush
Ball joint
Rocker arm assembly
Support
Washer
Nut
Screw
Shock absorber ...
Refitting the shock absorber support
If you had removed them, apply recommended grease on the threads of the
adjusters (4) and the ring nuts (3) having
care not to have grease on the surface (c) of the adjusters.
Tighten the adjusters on the ring nut side opposite to that featuring flats
until bringing the surfaces as close as ...
Overhaul of the crankcase halves
Carefully examine the engine crankcase halves.
Check that the surfaces of the crankcase halves are perfectly flat using a
reference surface.
Check that the bearings (1) and (18), and the bushings (2) and (17) are in
optimum conditions. Note that the main
bearings must always be changed in p ...