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 playStarter clutch inspection
Refer to “starter clutch removal and installation” .
Starter clutch
Install the starter driven gear onto the starter clutch.
Turn the starter driven gear by hand to inspect the
starter clutch for a smooth movement. The gear
turns in one direction only. If a large resistance is felt
...
Using the testers
Incorrectly connecting the (+) and (.) Probes may
cause the inside of the tester to be burned.
If the voltage and current are not known, make
measurements using the highest range.
When measuring the resistance with the multi-circuit
tester (1), ∞ will be shown as 10.00 ...
Rear suspension assembly construction
Rear shock absorber mounting bolt (upper)
Rear shock absorber mounting nut (lower)
Cushion rod mounting nut (front)
Cushion rod mounting nut (rear)
Cushion lever mounting nut
Swingarm pivot nut
Swingarm pivot boss nut
Swingarm pivot shaft
Swingarm ...