Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionHow Do I Get Warranty Service?
If there is a problem with your vehicle within the limited warranty period,
you will
need to schedule a service appointment and provide any maintenance records to
an authorized Kawasaki dealer for inspection and diagnosis. You can go to any
Kawasaki dealer for warranty repairs. Your Kawasaki de ...
Intake Air Temperature Sensor Resistance Inspection
Remove the intake air temperature sensor (see Intake Air
Temperature Sensor Removal).
Suspend the sensor [A] in a container of machine oil so
that the heat-sensitive portion is submerged.
Suspend a thermometer [B] with the heat-sensitive portion
[C] located in almost the same depth with ...
Rebound Damping Force Adjustment
To adjust the rebound damping force, turn the rebound
damping adjuster [A] to the desired position.
The standard adjuster setting is the 1 3/4 turns out from
the fully clockwise position.
Rebound Damping Force Adjustment
...