Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionFlap and Rear Fender Rear Installation
Installation is the reverse of removal. Note the following.
Fit the tab [A] to the slot [B].
Run the seat lock cable [C] between the tool kit case and
the turn signal light as shown in the figure.
When installing the dampers [A] on the lower pipe [B],
install it as shown in the figure. ...
Air Cleaner Housing Installation
For ZX1000JD/KD, be sure to install the pad [A].
Install the clamp bolt heads [A] inside as shown in the
figure.
Install the air cleaner housing on the throttle body assy.
Push in the ducts [B] touch the stoppers [C] of the throttle
body.
Be sure the hoses are routed correctly ...
Kawasaki Clean Air System
The Kawasaki Clean Air System
(KCA) is a secondary air suction system
that helps the exhaust gases to
burn more completely. When the spent
fuel charge is released into the exhaust
system, it is still hot enough to
burn. The KCA System allows extra
air into the exhaust system so that the
spen ...