Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionRear Sprocket Warp Inspection
Raise the rear wheel off the ground with the stand so that
it will turn freely.
Set a dial gauge [A] against the rear sprocket [B] near the
teeth as shown in the figure, and rotate [C] the rear wheel
to measure the sprocket runout (warp). The difference
between the highest and lowest di ...
Service Code Reading
The service code(s) is displayed on the LCD by the number
of two digits.
NOTE
The service code of the KIBS and ABS adds “b� at the
left side of the code.
The service code of the ESD adds “E� at the left side of
the code.
When there are a number of problems, all the serv ...
Hub Bearing Installation
Before installing the hub bearings, blow any dirt or foreign
particles out of the hub with compressed air to prevent
contamination of the bearings.
Replace the bearings with new ones.
Install the bearings by using the bearing driver set which
does not contact the bearing inner race.
...