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.
...
Spark plugs
Your motorcycle comes equipped
with ngk cr9e or denso
u27esr-n spark plugs. To determine
if the standard spark plug is
right for your usage, check the
color of the plug's porcelain center
electrode insulator after motorcycle
operation. A light brown
color indicates that the plug is correct.
...
Front wheel components
Front axle
Brake disc bolt
Brake disc
Dust seal
Bearing
Spacer
Air valve
Front wheel
Wheel balancer
Front tire
Collar
Front axle bolt
18 N·m (1.8 Kgf-m,
13.0 Lbf-ft)
100 N·m
(10.0 Kgf-m, 72.5 Lbf-ft)
Apply ...