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 playBe extra safety-conscious on bad weather days
Riding on bad weather days,
especially wet ones, requires
extra caution. Braking distances
increase on a rainy day. Stay off
the painted surface marks, manhole
covers, and greasy-appearing
areas, as they can be
especially slippery. Use extra caution
at railway crossings and on
metal grating ...
Diagnostic information and procedures
Starting system symptom diagnosis
Condition
Possible cause
Correction / reference item
Engine does not turn
though the starter motor
runs
Faulty starter clutch.
Replace.
Starter button is not
effective
Run down battery
Repair or replac ...
Drive mode selector inspection
Inspect the drive mode selector in the following procedures:
set up the sds tool. (Refer to the sds operation manual for
further details.)
Turn the ignition switch on.
Click “data monitor”.
Make sure each of “driving mode selection” on the monitor is
indicated ...