Use the tool code 88713.1805 To hold the driving pulley on the engine crankcase against rotation.
Important
If this operation is carried out with the engine installed in the frame, hold the driveshaft pulleys against rotation using the tool code 88713.2011 Mounted on the alternator cover.
Loosen the nut (15) using the socket supplied with the service tool.

Remove the nut (15), the spacer (20) and the outer pulley (18).

Remove the first woodruff key (16) from the timing belt driveshaft.
Remove the intermediate spacer (19) and the inner pulley (18).

Remove the inner spacer (17) and second woodruff key (16) on the timing belt driveshaft.

It is now possible to remove the circlip (10) on the driveshaft.

Disassembly of the camshaft pulleys
Refitting the timing belt driveshaft pulleysRefitting the rear wheel
Lubricate the wheel shaft threaded end with prescribed grease.
Insert the wheel shaft by matching (a) with pins (b).
Install spacer (3) with the conical surface faced to the wheel conical
surface, washer (2), apply prescribed grease to nut
(1) and insert it by hand (1).
Tighten the ...
Removal of the rear wheel eccentric hub and rear wheel shaft
Before removing the eccentric hub, you must first remove the parts listed
below.
Slacken off the screws (34).
Remove the spacer (20) and the inner ring (21) on the chain side and remove the
wheel shaft (31) with the brake disc
(30) from the opposite side.
Remove the circlip (19 ...
Refitting the timing covers
Locate vertical cylinder external cover (25), horizontal cylinder external
cover (3) and central external cover (1) by
starting the screws (4).
Apply the recommended threadlocker to the screws (4).
Tighten the screws (4) to a torque of 10 nm (min. 9 Nm - max. 11 Nm) (sect. 3 -
3, Engine t ...