Ducati Diavel Workshop Manual page 594

Evaporative emissions canister
Fix the hose (11) with the clamp (12).
Fit the clamp (7) on the hose (14).
Mount the hose (14) on the upper fitting of the canister (13) and fix the hose (14) by means of the clamp (7).
Fit the plate (8) as indicated by inserting its lateral brackets (B) (on the right and left side) completely inside the slots on
the rubber cover (10).
Note
In case of difficulties upon reassembly of the plate (8) we recommend to apply lubricant specific for rubber to the lateral
brackets (B).
Place the plate (8) with the relevant canister on the tank and tighten the screws (9) to a torque of 4 Nm ± 10% (Sect. 3 -
3, Frame torque settings).