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:

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). ...

Spring Tension Inspection
Since a spring becomes shorter as it weakens, check its free length [A] to determine its condition. If the spring of either fork leg is shorter than the service limit, it must be replaced. If the length of a replacement spring and that of the remaining spring vary greatly, the remaining s ...

Oxygen Sensor Heater Resistance Inspection
Turn the ignition switch to OFF. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the oxygen sensor lead connector [A]. Connect a digital meter [A] to the terminals in the oxygen sensor lead connector [B]. Measure the oxygen sensor heat ...