Visually inspect the isc valve if necessary.

Throttle body inspection and cleaning
Throttle valve synchronizationSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Front wheel components” “front wheel assembly construction” “rear
wheel components” “rear wheel assembly construction”
Special tool
...
Windshield cleaning
Clean the windshield with soft
cloth and warm water with mild
detergent. If scratched, polish
with a commercially available
plastic polish. Replace the windshield
if it becomes scratched or
discolored so as to obstruct view.
When replacing the windshield,
use suzuki replacement windshield. ...
Cam chain tension adjuster inspection
The cam chain tension adjuster is maintained to proper
tension automatically.
Remove the cam chain tension adjuster. Refer to “engine top side
disassembly” .
Holding the cam chain tension adjuster as shown in
the figure, compress the plunger by turning the
adjuster body unt ...