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 steering head components
Important
The steering tube bearings (6) are identical but in no case may their
components be swapped around during reassembly.
Clean all contact surfaces and lubricate with the recommended grease.
To fit the external rings (c) of the bearings (6) to the steering tube, use the
tool with par ...
Check the idle and the co amount with warm engine
Start the engine;
Switch on the dds and check that it does not signal any error (otherwise
consult the relevant paragraph of this manual
to reset the error and proceed with the idle check);
Enter the "self diagnosis" menu by selecting the diavel model in the
available vehicle version. ...
Dashboard on tank
Menu 1 (tot, trip1, trip2, trip fuel).
Menu 2 (cons.Avg., Cons., Speed avg, air and trip time) if active.
Gear / neutral indication.
Icon referred to the function below from menu 1.
Indication of engine setting for the currently set riding style.
Currently set riding style (riding mode) ...