Ducati Monster 796 Workshop Manual page 446

Tail light-number plate holder and locks
Unscrew the screws (16) and remove the plate (6).
Note
On the USA version, the plate (6) has a different design and there is a bracket with side reflectors (13).
Refitting the number plate holder
For the Australia version, set gravel guard (32) between splashguard (1) and number plate holder (6), and fit spacers with
collar (34) in-between the two guards.
Apply the recommended threadlocker to the screws (33).
Fix the gravel guard (32) fitting and tightening the screws (33) to a torque of 5 Nm ±10% (Sect. 3 - 3, Frame torque
settings).
Refitting is the reverse of removal; in particular apply the recommended threadlocker to the screws (16).
Tighten the screws (16) to a torque of 5 Nm ± ±10% and the nuts (21) to a torque of 2 Nm ±10% (Sect. 3 - 3, Frame
torque settings).