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 playDTC “c28” (p1655): secondary throttle
valve actuator (stva) malfunction
Detected condition and possible cause
Detected condition
Possible cause
The operation voltage does not reach the stva.
Ecm does not receive communication signal from the
stva. Stva can not operate properly or its motor locked
Stva malfunction.
...
Combination meter removal and installation
Removal
Remove the combination meter mounting bolt (1).
Bushing
Disconnect the coupler (2) and remove the
combination meter assembly (3).
Installation
Install the combination meter in the reverse order of
removal.
Note
fix the boot of ...
Front wheel assembly removal and installation
Removal
Remove the brake calipers, left and right.
Caution
do not operate the brake lever with the
caliper removed.
Loosen two axle pinch bolts (1) on the right front fork
leg.
Remove the front axle bolt (2).
Raise the front wheel off the ground a ...