Ducati XDIAVEL Owner's Manual page 270

Position the rider seat (2) by making it slide to the
13
11
motorcycle's front side: make sure that tab (8) is
10
under the subframe central plate (9), and tank pin (3)
in tank slot (10).
Slide the seat onwards until fully home and on the
rear side insert pin (13) in hole (14) and the lateral pins
(11) in the vibration damping pads (12) by pressing
down until latch clicks in place. Make sure the rider
seat is properly fastened by moderately pulling it up.
Take key out of the lock.
8
3
2
12
9
14
Fig. 189
269