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 canisterReassembly of the front half-fairings
Fit the clips (2) on the front rh half-fairing (1).
Join the rh support (4) and the front rh half-fairing (1) and keep them in
position by starting the screws (5).
Note
To mount the rh support (4) in a proper way, it is necessary to insert the
tab (g) of the front rh half-fairing (1) in t ...
Accelerator position sensor (throttle grip)
Introduction
An accelerator position sensor (aps) is mounted on the throttle body of the
diavel, which measures the degree of aperture
of the throttle grip.
The throttle grip is connected to the sensor via two metal cables
The sensor transmits information to the ecu relative to the "torque ...
Reporting of safety defects
If you believe that your vehicle has a defect which could
cause a crash or could cause injury or death, you should
immediately inform the national highway traffic safety
administration (nhtsa) in addition to notifying ducati north
america. If nhtsa receives similar complaints, it may open
an in ...