Visually inspect the isc valve if necessary.

Throttle body inspection and cleaning
Throttle valve synchronizationSide-stand removal and installation
Removal
Support the motorcycle with a jack or wooden block.
Caution
do not support the motorcycle with the exhaust pipes.
Make sure that the motorcycle is supported securely.
Remove the side-stand as shown in the side-stand construction.
Refer to ...
Charging system symptom diagnosis
Condition
Possible cause
Correction / reference item
Generator does not
charge
Open- or short-circuited lead wires, or
loose lead connections.
Repair, replace or connect properly.
Short-circuited, grounded or open
generator coil.
Replace
...
Front brake light switch inspection
Inspect the front brake light switch in the following
procedures:
disconnect the front brake light switch coupler (1).
Inspect the front brake light switch for continuity with
the tester.
If any abnormality is found, replace the front brake light switch with a new
one. Re ...