Ducati Diavel Workshop Manual page 461

Fork - Steering head: front fork
Warning
The difference in height between the two fork legs must be no greater than 0.1 mm.
Position the fork legs (5) and (6) on the yoke base (4) and on the steering head (3).
Lock the fork legs by tightening the screws (1) to the torque of 20 Nm ± 5%, the screws (2) to the torque of 22 Nm ±
5%, and the screws (26) to 12 Nm ± 5% (Sect. 3 - 3,
steering head (3): tighten one fork leg at a time.
Important
If the screws (1) (2) and (26) were removed on disassembly, smear the threads with the specified grease before
tightening.
Refit any parts removed from the frame:
Operations
Refit the front mudguard
Refit the front wheel
Refit the front brake callipers
Warning
Do not ride with the front mudguard removed. The brake hoses are retained to the front mudguard to keep them from
touching the wheel under braking.
Frame torque
Section reference
5 - 4, Refitting the front mudguard
7 - 1, Refitting the front wheel
7 - 3, Refitting the front brake
system
settings) that secure the bottom yoke (4) and the