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 playPair reed valve removal and installation
Removal
Lift and support the fuel tank with the prop stay.
Refer to “fuel tank removal and installation” in section 1g .
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Remove the pair control solenoid valve (1) along with the ...
Headlight bulb and position light bulb
replacement
Caution
when you touch the bulb with your bare
hands, clean the bulb with a cloth moistened
with alcohol or soap water to prevent
premature bulb failure.
Low beam bulb
Remove the combination meter. Refer to “combination meter removal and
installation” in section 9c .
...
Horn inspection
Note
if the horn sound condition is normal, it is not
necessary to inspect the horn button
continuity.
Horn button inspection
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the left handlebar switch lead ...