Kawasaki Ninja Owners Manual: Cooling System

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 Kawasa ...

Radiator and Cooling Fan

Check the radiator fins for obstruction by insects or mud. Clean off any obstructions with a stream of low-pressure water. WARNINGThe cooling fan spins at high speed and can cause seriou ...

Other materials:

Piston Wear Inspection
Measure the outside diameter [A] of each piston 5 mm (0.20 in.) [B] up from the bottom of the piston at a right angle to the direction of the piston pin. If the measurement is under service limit, replace the piston. Piston Diameter Standard: 75.959 75.974 mm (2.9905 2.9911 in.) ...

Oil Pressure Relief Valve Inspection
Remove the oil pressure relief valve (see Oil Pressure Relief Valve Removal). Check to see if the valve [A] slides smoothly when pushing it in with a wooden or other soft rod, and see if it comes back to its seat by spring [B] pressure. NOTE Inspect the valve in its assembled stat ...

Engine Stop Switch Operation Inspection
First Step Set the gear position in the neutral position. Turn the ignition switch to ON. Turn the engine stop switch to stop position [A]. Push the starter button. The engine does not start. If the engine starts, inspect the engine stop switch (see Switch Inspection in the Electri ...