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 relay inspection
Inspect the starter relay in the following procedures:
remove the starter relay. Refer to “starter relay removal and
installation” .
Apply 12 v to “a” and “b” terminals and check for
continuity between the positive and negative
terminals using the multi-circuit tester. If th ...
Thermostat inspection
Inspect the thermostat in the following procedures:
remove the thermostat. Refer to “thermostat removal and installation” .
Inspect the thermostat pellet for signs of cracking.
Test the thermostat at the bench for control action.
Caution
do not contact ...
Headlight removal and installation
Removal
Remove the body cowling assembly. Refer to “exterior parts removal and
installation” in section 9d .
Remove the air intake pipes (1). Refer to “exterior parts removal and
installation” in section 9d .
Remove the wiring harness no. 2 (2) By
disconnecting the couplers and ...