Ducati MULTISTRADA 1200S ABS 2015 Workshop Manual page 94

Adjusting the steering head bearing play
Excessive handlebar play or shaking fork in the steering head indicate that the play of 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.
Using the special tool (A) part no. 88713.1058 lock the ring nut (3) to a torque of 30 Nm ±5%.
Push the steering head against the ring nut (3) and tighten the screw (1) to a torque of 18 Nm ±5% and screws
(2) following a (1-2-3) sequence to a torque of 10 Nm ±5%.