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 playSteering / steering damper related parts
inspection
Refer to “steering / steering damper removal and installation” .
Inspect the removed parts for the following
abnormalities:
Steering stem
Distortion of the steering stem and brackets.
Bearing
Bearing wear or damage
abnormal bearing noise
race wear or damage
&nbs ...
Ignition coil and spark plug removal and
installation
Removal
The hot
engine can burn you.
Wait until the engine is cool enough to touch.
Turn the ignition switch off.
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the lead wire couplers (1).
...
Rear seat
The seat lock is located under the
left frame cover. To remove the
rear seat, insert the ignition key
into the lock and turn it clockwise.
Raise the front end of the seat
and slide it forward.
To reinstall the seat, slide the seat hooks into the seat hook retainers and
push down firm ...