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 canisterSeparation of the crankcase halves
Use two screwdrivers to remove the circlip (29) from the timing belt
driveshaft shaft (30) on the clutch-side crankcase
half.
Note
Take care to avoid scoring the surface of the shaft while removing the
circlip.
Unscrew the crankcase half screws on the chain side.
Unscrew ...
Chain lubrication
The chain fitted on your motorcycle has o-rings that keep dirt
out of and lubricant inside the sliding parts.
So as not to damage these seals when cleaning the chain,
use special solvents and avoid aggressive washing with highpressure
steam cleaners.
After cleaning, blow the chain dry with ...
Vehicle speed indicator
This function displays vehicle speed (km/h or mph depending on the set
measurement system).
The dashboard receives information about the actual speed and displays the
number increased by 5%.
Maximum speed displayed is 299 km/h (186 mph).
Over 299 km/h (186 mph) the display will show a s ...