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 playTurn 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 ...
Stp sensor adjustment
Adjust the stp sensor in the following procedures:
remove the air cleaner box cover. Refer to “air cleaner element removal
and installation” in section 1d .
Disconnect the stva lead wire coupler (1).
Insert the needle pointed probes to the stp sensor
coupler (between y/w a ...
Clutch cable play inspection and adjustment
Inspect clutch cable play
every 6 000 km (4 000 miles, 12 months)
Inspect and adjust the clutch cable play “a” as follows.
Clutch cable play “a”
10 – 15 mm (0.4 – 0.6 In)
Lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
  ...