Excessive handlebar play or shaking forks in the steering head indicate that the play in the steering head bearings requires adjustment. Proceed as follows: loosen the clamp screw (1) that holds the steering tube to the steering head.

Slacken the clamp screws (2) securing the steering head to both fork legs.

With specific wrench 88713.1058 Tighten the adjustment ring nut (3) to a torque of 30 nm +/- 5% (sect. 3 - 3, Frame torque settings).
Push the steering head against the ring nut (3) and tighten the screw (1) to a torque of 24 nm +/-5% and the screws (2) to 20 nm +/-5% (sect. 3 - 3, Frame torque settings).

Filling the clutch circuit
Adjusting the chain tensionRemoval of the tail light
Disconnect the connectors (a) and (b) of the tail lights (1) and (13).
Loosen the screws (4) and slide the tail lights (1) and (13) to the rear side;
recover the four spacers (3) and the washers
(14).
...
Removal of the clutch master cylinder assembly
Warning
The clutch master cylinder manufacturer advises against servicing of
the clutch master cylinder (1) due to the safetycritical
nature of this component. Incorrect overhaul of this component could endanger
rider safety.
Maintenance operations of the master cylinder are limited to replac ...
Clutch
Screw
Ring
Clutch spring
Pressure plate
Bearing
Circlips
Nut
Belleville washer
Clutch plates
Belleville washer
Flat ring
Clutch centre
Spacer
Clutch lifter
Spare parts catalogue
Diavel abs clutch
Diavel carbon
abs
clutch
Important
Bold reference numbers in t ...