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 playRear shock absorber adjustment
After installing the rear suspension, adjust the spring
pre-load and damping force as follows:
Spring pre-load adjustment
The set length 179.3 Mm (7.06 In) provides the
maximum spring pre-load.
The set length 189.3 Mm (7.45 In) provides the
minimum spring pre-load.
Std position
184.3 ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Water hose routing diagram” “water pump components” “water
pump construction”
Special tool
...
Special situations require special care
Of course, there are some times
when full-force braking is not the
correct technique. When the road
surface is wet, loose, or rough,
you should brake with care. When
you're leaned over in a corner,
avoid braking. Straighten up
before braking. Better yet, slow
down before entering the corner. ...