Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionRear Fender Front Installation
Installation is the reverse of removal. Note the following.
Run the harness, cables and leads correctly (see Cable,
Wire, and Hose Routing section in the Appendix chapter).
When installing the clamp [A] on the rear fender front [B],
install it so that the clamp positions at near the ...
Caliper Fluid Seal Damage
The fluid seal (piston seal) [A] is placed around the piston
to maintain clearance between the pad and the disc. If
the seal is in a poor condition, it could lead the pad to wear
excessively or the brake to drag, which may cause the temperature
of the discs or the brake fluid to increase.
Re ...
Engine Oil
In order for the engine, transmission,
and clutch to function properly, maintain
the engine oil at the proper level,
and change the oil and replace the oil
filter in accordance with the Periodic
Maintenance Chart. Not only do dirt
and metal particles collect in the oil, but
the oil itself los ...