Inspect front fork every 12 000 km (7 500 miles, 24 months)
Inspect the front forks for oil leakage, scoring or scratches on the outer surface of the inner tubes.
Replace any defective parts, if necessary. Refer to “front fork disassembly and assembly” in section 2b .

Steering system inspection
Rear suspension inspectionDTC “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.
...
Air valve removal and installation
Removal
Remove the wheel assembly. Refer to “front wheel assembly removal and
installation” and “rear wheel assembly removal and installation” .
Remove the tire. Refer to “tire removal and installation” .
Remove the air valve (1) from the wheel.
Installation
Install th ...
Camshaft sprocket
Inspect the camshaft sprocket in the following
procedures:
remove the intake and exhaust camshafts. Refer to “engine top side
disassembly” .
Inspect the teeth of each camshaft sprocket for wear
or damage.
If they are worn or damaged, replace the sprocket/
camshaft assembl ...