Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionTroubleshooting guide
Engine Does Not Start
Starter Motor Won’t Turn
Engine stop switch off
Transmission not in neutral
Fuse blown
Battery leads do not make good electrical
contact with battery terminals
Battery discharged
Engine Cranks, But Won’t Start
No fuel in tank
Fuel line clogged
Fuel ...
Oil 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 ...
Cylinder (Upper Crankcase) Wear Inspection
Split the crankcase (see Crankcase Splitting).
Remove the pistons (see Piston Removal).
Assemble the cylinder (upper crankcase) [A], the cylinder
head [B] and the cylinder head gasket [C].
Tighten the cylinder head bolts (see Cylinder Head Installation
in the Engine Top End chapter).
...