Usa models are equipped with an additional system with an evaporative emissions canister that prevents fuel fumes from being discharged into the atmosphere.
The breather hose (4) is connected to the canister filter (1); when the fuel has been filtered, it is returned through the hose (2) to the horizontal (a) and vertical (b) intake manifolds via the hoses (2a) and (2b). Drainage pipe (c) and the hose (5) vent to the ground.
For correct positioning of the connection hoses consult the indications given below.

Evaporative emissions canister
Removal of the evaporative emissions canisterLap registration function
This function describes the "lap" time registration.
If the function is activated (see "lap activation/deactivation description), the
lap time can be registered as follows:
pressing the flash headlight button (6) the first time starts the "lap timer"
for the first lap, and the dashboard show ...
Hands free key (hf) not recognised
The activation of this (amber yellow) "warning" indicates
that the hands free system does not detect the active key
(1, fig. 62) Near the vehicle.
Note
In this case, ducati recommends checking that the
active key (1, fig. 62) Is near the vehicle (and has not been
lost) and that it f ...
Removing the flywheel - generator assembly
Use the tool 88713.3367 Fixed to the m10 side stand fixing holes (d).
Secure the tool to the flywheel with the screws (e).
Unscrew the alternator-flywheel retaining nut (15).
Warning
While unscrewing the nut, apply axial pressure to the socket to
avoid damage or injury in the event of the ...