Ducati Diavel Service Manual: Removal of the front forks
Before removing the front forks, it is first necessary to remove the
following parts: 
Loosen the clamp screws (1) holding the fork legs to the steering head (3).
Loosen the clamp screws (2) and (26) securing the fork legs to the bottom yoke (4).
Withdraw the fork legs (5) and (6) downwards in order to carry out to all the necessary overhaul operations.
Steering head: front fork
Screw
Screw
Steering head
Bottom yoke
Left fork leg assembly
Right fork leg assembly
Counter nut
Damper assembly
Bush
Spring
Preload tube
Collar
Washer
Top cap assembl ...
Overhauling the front forks
Note
It is advisable to loosen the top cap (14) when the fork is still fitted
to the motorcycle.
Note
The specific tools for the revision of the fork, are described in sect. 3
- 4, Specific too ...
Other materials:
Refitting the seat
Note
Apply recommended grease to the hole (a) of latch (6).
Fit the seat (1) as follows: insert the tabs (b) (on the front side) under
the rubber pads (c) of the gloves compartment;
then push the seat rear side until hearing the lock latch click.
...
Reassembly of the timing pulleys
Fit the pulley (11) on the flange (24), aligning the timing mark (d) on the
pulley with the timing mark on the (e) on the
flange.
Install the washer (23) up against the pulley, aligning the timing notch (f)
with the timing marks on the pulley and the
flange.
Insert the three screws (22) ...
Crankcase halves
Bearing
Bearing holder bushing
Alternator-side crankcase half
Bearing
Circlip
Washer
Bearing
Sealing ring
Bearing
Retaining plate
Screw
Screw
Clutch-side crankcase half
Sealing ring
Bearing
Circlip
Bearing holder bushing
Bearing
Plug
Screw
Spacer
Bush ...