If the forks do not smoothly or noise is found, inspect the fork oil level or fork clamps (see Front Fork Oil Change in the Suspension chapter).


If the shock absorber does not smoothly stroke or noise is found, inspect the oil leak (see Rear Shock Absorber Oil Leak Inspection).
Front Fork Oil Leak Inspection

Replace any defective parts, if necessary.
Rear Shock Absorber Oil Leak Inspection

If the oil leakage is found on it, replace the shock absorber with a new one.
Suspension
Rocker Arm Operation InspectionDrive Chain Wear Inspection
Remove the chain cover (see Drive Chain Removal/Installation
in the Final Drive chapter).
Rotate the rear wheel to inspect the drive chain for damaged
rollers, and loose pins and links
If there is any irregularity, replace the drive chain.
Lubricate the drive chain if it appears dry.
...
Chain Slack Inspection
Set the motorcycle up on its side
stand.
Rotate the rear wheel to find the position
where the chain is tightest, and
measure the maximum chain slack
by pulling up and pushing down the
chain midway between the engine
sprocket and rear wheel sprocket.
A. Chain Slack
If the ...
Valve Guide Installation
Apply engine oil to the valve guide outer surface before
installation.
Heat the area around the valve guide hole to about 120
150°C (248 302°F).
NOTICE
Do not heat the cylinder head with a torch. This will
warp the cylinder head. Soak the cylinder head and
heat the oil.
Usin ...