Ducati Diavel 1260 Owner's Manual page 35

Refitting the seats
Fit the seat (2) by sliding it towards motorcycle front
2
end: make sure that seat tab (B) engages into recess
(A) on tank.
Push down seat rear end and slide the seat forward
until engaging the rear side pin (3) in hole (4) by
B
pressing down until latch clicks in place.
Make sure the seat is properly fastened by
A
moderately pulling it up.
3
Take key out of the lock.
4
Fig 11
34