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 playElectrical parts connector / coupler
Faulty fi system is often related to poor electrical
contact of connector/coupler. Before servicing
individual electronic part, check electrical contact of
the connector/coupler.
When connecting a connector, be sure to push it in
until a click is felt.
With a lock type coupler ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Starter motor components”
Special tool
...
Swingarm pivot boss removal and installation
Removal
Remove the swingarm. Refer to “swingarm removal and installation” .
Remove the swingarm pivot boss nut (1).
Note
remove the swingarm pivot boss only when
replacing it.
Remove the swingarm pivot boss (2) by removing its
set screws.
Installatio ...