Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionFuel Level Warning Indicator Light
: The fuel level warning
indicators
are activated when approximately 3.8 L
(1.0 US gal) of fuel remains as follows:
For models without KIBS:
A. Fuel Level Warning Indicator Light
B. “FUEL” Indication
The fuel level warning indicator light
( ) goes
on and “FUEL” blinks in the
...
Piston Ring Groove Width Inspection
Measure the piston ring groove width.
Use a vernier caliper at several points around the piston.
Piston Ring Groove Width
Standard:
Top [A] 0.82 0.84 mm (0.0323
0.0331 in.)
Second [B] 0.82 0.84 mm
(0.0323 0.0331 in.)
Service Limit:
0.92 mm (0.036 in.)
Second 0.92 mm (0.036 in.)
...
Coupling Bearing Removal
Remove:
Coupling
Grease Seal
Circlip [A]
Special Tool - Inside Circlip Pliers: 57001-143
Remove the bearing [A] by tapping from the wheel side.
Special Tool - Bearing Driver Set [B]: 57001-1129
...