Ducati Diavel Workshop Manual page 470

Fork - steering head: Steering
Grease the nut (12).
Tighten the steering shaft nut (12) by hand until it seats against the sealing ring (8).
Fit service bush no. 88713.1058 to the steering shaft nut (12) and fit the torque wrench to the bush.
Tighten the adjuster ring nut (12) to a torque of 30 Nm ±5% (Sect. 3 - 3, Frame torque settings).
Fit the steering head (2) on the steering head nut (12), aligning the fork leg bores with the corresponding bores on the
bottom yoke. Relocate the fork legs as described in Section 7 - 10.1, Refitting the front forks.
Grease the screw (3).
Tighten the screw (3) on the steering head to a torque of 24 Nm ±5% (Sect. 3 - 3, Frame torque settings).
Refit the cable grommet (P) on the steering head and tightening the screws (V) to a torque of 8 Nm ±10% (Sect. 3 - 3,
Frame torque settings).
Mount the front support (24) on the right support (23) and the front splashguard (22) on the left support (21), inserting
the splashguard pins (P) into the holes in the supports.
Note