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 playUsing 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 ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Drive chain related components”
Special tool
...
Engine sprocket removal and installation
Removal
Remove the gearshift link arm (1) from the gearshift
shaft.
Note
mark the gearshift shaft head at which the
gearshift link arm slit set for correct
reinstallation.
Remove the speed sensor (2).
Remove the engine sprocket cover (3).
Support the ...