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 tensionRefitting the rear sprocket
Check the cush drive bushes (6) condition and, if necessary, replace them by
removing them from the flange.
Refitting is the reverse of removal.
Apply recommended grease on the rear sprocket flange (5) external diameter.
Place the rear sprocket flange (5) on sprocket (17) by inserting it ...
Inspection of the gear selector forks
Visually inspect the gear selector forks. Bent forks must be renewed as they
may lead to difficulties in gear changing or
may suddenly disengage when under load.
Use a feeler gauge to check the clearance of each fork in its gear groove.
If the service limit has been exceeded, check whether ...
Exhaust by-pass valve not working correctly
Fault codes
Dds: exvl diagnosis -> position error, potentiometer, short circuit to ground
or open circuit (s.C. Gnd or c.O.),
Potentiometer short circuited to vdc (potentiometer s.C vdc).
Dashboard: the error "exvl" (exhaust bypass valve) is shown on the service
display. The eobd warning ...