Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionOil and/or Oil Filter Change
To change the engine oil and replace
oil filter, the engine oil drain bolt and
oil filter must be removed. The oil
change and oil filter replacement
should be done by an authorized
Kawasaki dealer.
A. Engine Oil Drain Bolt
A. Oil Filter
WARNINGEngine oil is a toxic s ...
Master Cylinder Rubber Parts Replacement
Front Master Cylinder Disassembly
Remove the front master cylinder (see Front Master Cylinder
Removal in the Brakes chapter).
Remove the seal cover [A], circlip [B], connector [C] and
O-ring [D].
Special Tool - Inside Circlip Pliers: 57001-143
Unscrew the locknut [E] and pivot bolt ...
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.
...