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.
“Lubrication points”
Special tool
...
Turn signal / side-stand relay removal and
installation
Removal
Turn the ignition switch off.
Remove the frame cover assembly. Refer to “exterior parts removal and
installation” in section 9d .
Remove the turn signal/side-stand relay (1).
Installation
Install the turn signal/side-stand relay in the reverse
order of removal ...
Gearshift lever construction
Gearshift lever bracket
Gearshift lever shaft
Washer
Snap ring
Gearshift lever
Footrest top surface
65 – 75 Mm (2.6 – 3.0 In)
28 N·m (2.8 Kgf-m,
20.0 Lbf-ft)
40 N·m
(4.0 Kgf-m, 29.0 Lbf-ft)
Apply grease.
Grease.
...