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:
Low battery level
The activation of this (amber yellow) "warning" indicates that the status of
the battery vehicle is low.
It is activated when the battery voltage is ¼ 11.0 Volt.
Note
In this case, ducati recommends charging the battery as soon as possible
with the specific device, as it is possible th ...
Removal of the fuel tank filler cap
Remove tank covers (sect. 5 - 2, Removal of the fuel tank fairings).
Remove hoses (8) and (15) from the filler cap assembly (10).
Open the filler cap.
Unscrew the outer screws (17) securing the ring nut to the filler cap recess.
Remove the filler cap assembly (10).
...
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.
...