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 inspectionRadiator reservoir tank inspection
Inspect the radiator reservoir tank in the following
procedures:
remove the right side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Inspect the radiator reservoir tank (1) for leaks. If any
defects are found, replace the radiator reservoir tank
...
Clutch parts inspection
Refer to “clutch removal” and “clutch installation” .
Clutch drive and driven plate
Note
wipe off the engine oil from the drive and
driven plates with a clean rag.
Measure the thickness of drive plates with a vernier
calipers. If the drive plate thickness is found to have ...
Ignition coil and spark plug removal and
installation
Removal
The hot
engine can burn you.
Wait until the engine is cool enough to touch.
Turn the ignition switch off.
Remove the air cleaner box. Refer to “air cleaner box removal and
installation” in section 1d .
Disconnect the lead wire couplers (1).
...