If they appear damaged or deteriorated, replace them.

Balancer Adjustment
Torque LimiterAir Cleaner Element Replacement
NOTE
In dusty areas, the element should be replaced more
frequently than the recommended interval.
WARNINGIf dirt or dust is allowed to pass through
into the
throttle body assy, the throttle may become stuck,
possibly causing accident. Replace the air cleaner
element according ...
Keys
This motorcycle has a combination
key, which is used for the ignition
switch, steering lock, seat lock, and
fuel tank cap.
Included with the key is a key number,
which may be stamped on a separate
plate. Record the key number in
the space provided and store the number
in a safe place. If y ...
Cylinder Head Cover Installation
Replace the cylinder head cover gasket [A] with a new
one
Using a high flash-point solvent, clean off any oil or dirt
that may be on the silicone sealant coating area. Dry
them with a clean cloth.
Apply silicone sealant [B] to the cylinder head as shown
in the figure.
Sealant - Li ...