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 playEngine sprocket removal and installation
Removal
Remove the gearshift link arm (1) from the gearshift
shaft.
Note
mark the gearshift shaft head at which the
gearshift link arm slit set for correct
reinstallation.
Remove the speed sensor (2).
Remove the engine sprocket cover (3).
Support the ...
Cushion lever removal and installation
Removal
Remove the right side cowling and side frame covers. Refer to “exterior
parts removal and installation” in section 9d .
Support the motorcycle with a jack to relieve load on
the cushion levers.
Remove the left muffler and muffler chamber heat guard no. 2. Refer to
...
Rear brake pedal removal and installation
Removal
Remove the master cylinder assembly. Refer to “rear brake master
cylinder assembly removal and installation” .
Disconnect the rear brake light switch lead wire coupler. Refer to
“rear brake light switch inspection” .
Remove the rear brake pedal as shown in the rear ...