Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionOil Pressure Switch Installation
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 to the threads of the oil pressure
switch, and tighten it.
Sealant - Liquid Gasket, TB1211: 56019-120
Torque - Oil Pressure ...
Hoses and Pipes
Hose Installation
Install the hoses and pipes, being careful to follow bending
direction. Avoid sharp bending, kinking, flattening or
twisting.
Run the hoses (see Cable, Wire, and Hose Routing section
in the Appendix chapter).
Install the clamp [A] as near as possible to the hose end
...
Front Wheel Installation
NOTE
The direction of the wheel rotation [A] is shown by an
arrow [B] on the wheel spoke.
Check the wheel rotation mark on the front wheel and
install it.
Apply high-temperature grease to the grease seal lips.
Fit the collars [A] on the both sides of the hub.
The collars are i ...