Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playRear wheel assembly removal and installation
Removal
Loosen the axle nut (1).
Raise the rear wheel off the ground and support the
motorcycle with a jack or wooden block.
Caution
make sure that the motorcycle is supported
securely.
Remove the axle nut (1).
Loosen the left and right lock-nuts (2) an ...
Starting the engine
Before attempting to start the
engine, make sure:
The transmission is in neutral.
The engine stop switch is in
the "" position.
Note: this motorcycle has a
starter interlock system for the
ignition and starter circuit. The
engine can only be started if:
  ...
Lower light bulb
Turn the socket 1 counterclockwise
and remove it.
Turn the socket 2 counterclockwise
and remove it.
Remove the bulb 3 from the
socket.
Caution
Oil from your skin may damage
the headlight bulb or shorten
its life.
Grasp the new bulb with a
c ...