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 canisterTurn indicators not working
Fault codes
Dds: no fault code displayed.
Dashboard: no fault code displayed.
Wiring diagram
Db dashboard connection, bbs bbs unit connection, s turn indicator button, f1
front left turn indicator, f2 front right
turn indicator, f3 rear left turn indicator, f4 rear right turn indicator. ...
Tft - parameter setting/display
Warning
Any adjustments to the dashboard must only be carried out when the
motorcycle is stationary. Never operate the
dashboard controls while riding the motorcycle.
At the end of the check, the dashboard always displays as the "main"
indication the odometer (tot) on the left and the
averag ...
Reassembly of the gearbox
To refit the gearbox components follow the procedure under sect. 9 - 9.2,
Reassembly of the crankcase halves, relating to
reassembly of the engine crankcase.
As a final practical test, ensure that with the gearbox in neutral the front
coupling dogs (a) of sliding gears (b) are
equidistant o ...