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 playFuel tank removal and installation
Removal
Keep away from fire or spark.
Spilled gasoline should be wiped off
immediately.
Work in a well-ventilated area.
Remove the front seat. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Take ...
Cam chain tension adjuster inspection
The cam chain tension adjuster is maintained to proper
tension automatically.
Remove the cam chain tension adjuster. Refer to “engine top side
disassembly” .
Holding the cam chain tension adjuster as shown in
the figure, compress the plunger by turning the
adjuster body unt ...
Dimmer / passing light switch inspection
Inspect the dimmer/passing light switch in the following
procedures:
remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the left handlebar switch coupler (1).
(Yellow)
Inspect the dimmer/passing light switch ...