Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionPeriodic Maintenance Chart
K : Should be serviced by an authorized Kawasaki dealer.
* : For higher odometer readings, repeat at the frequency interval established
here.
# : Service more frequently when operating in severe conditions: dusty, wet,
muddy,
high speed, or frequent starting/stopping.
(e): Emission Rel ...
Rear 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 ...
Brake Disc Warp Inspection
Raise the wheel off the ground with the jack.
Special Tools - Jack: 57001-1238
Jack Attachment: 57001-1608
For front disc inspection, turn the handlebar fully to one
side.
Set up a dial gauge against the disc [A] as shown in
the figure and measure disc runout, while turning [B] the
...