This system routes fuel vapors from the fuel system into the running engine or stores the vapors in a canister when the engine is stopped. Although no adjustments are required, a thorough visual inspection must be made at the intervals specified by the Periodic Maintenance Chart.
Inspection

Spark Plugs
Valve ClearanceThrottle Body Assy Installation
Apply a thin coat of grease to the throttle cable lower ends.
Fit the accelerator cable end [A] and the decelerator cable
end [B] into the throttle pulley.
Install the clamp [C] securely.
Install the throttle body assy holder clamp bolt heads [A]
outside as shown in the figure.
...
Fuel Tank and Cap Inspection
Visually inspect the gasket [A] on the tank cap for any
damage.
Replace the gasket if it is damaged.
Check to see if the water drain pipe [B] and fuel breather
pipe [C] in the tank are not clogged. Check the tank cap
breather also.
If they are clogged, remove the tank and drain it ...
Wear Inspection
Remove the left front footpeg bracket
bolts.
A. Front Footpeg Bracket
B. Bolts
Remove the bolts and chain cover.
A. Bolts
B. Chain Cover
Stretch the chain taut either by using
the chain adjusters, or by hanging a
10 kg (22 lb) weight on the chain.
Measure the lengt ...