Inspect the camshaft sprocket in the following procedures:
If they are worn or damaged, replace the sprocket/ camshaft assembly and cam chain as a set.

Camshaft inspection
Cam chain tension adjuster inspectionSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Exhaust system components”
Special tool
...
Rear suspension inspection
Inspect rear suspension
every 12 000 km (7 500 miles, 24 months)
Inspect the rear shock absorber for oil leakage and
check that there is no play in the swingarm.
Replace any defective parts, if necessary. Refer to “rear shock absorber removal
and installation” in section 2c , “cushion lever ...
Rear brake caliper disassembly and
assembly
Refer to “rear brake caliper removal and installation” .
Disassembly
Remove the pad spring (1) and rubber boot (2) from
the caliper.
Place a rag over the piston to prevent it from popping
out and then force out the piston using compressed
air.
Caution
do not use hig ...