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 playSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Rear suspension components” “rear suspension assembly
construction”
Special tool
...
Turn signal switch inspection
Inspect the turn signal 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 turn signal switch for continuity wit ...
License plate 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.
Remove the license plate light mounting nuts.
Remove the lens cover (1) by removing the screws.
Re ...