Visually inspect the isc valve if necessary.

Throttle body inspection and cleaning
Throttle valve synchronizationSpecifications
Service data
Brake
unit: mm (in)
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Front brake hose routing diagram” “rear brake hose routing
diagram” “front brake master cylinder components” “rear
...
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 ...
Precautions
Precautions for clutch system
Refer to “general precautions” in section 00 (page 00-1).
Schematic and routing diagram
Clutch cable routing diagram
Refer to “throttle cable routing diagram” in section 1d .
Diagnostic information and procedures
Clutch system symptom diagnosis
...