Kawasaki Ninja Service Manual: Thermostat Inspection

Kawasaki Ninja Service Manual / Cooling System / Thermostat / Thermostat Inspection

If the valve is open, replace the thermostat with a new one.

Thermostat Inspection


The thermostat must be completely submerged and must not touch the container sides or bottom. Suspend an accurate thermometer [B] in the water so that the heat sensitive portions [C] are located in almost the same depth.

It must not touch the container, either.

If the measurement is out of the specified range, replace the thermostat with a new one.

Thermostat Valve Opening Temperature 58 62°C (136
144°F)


Thermostat Inspection


Thermostat Installation
Replace the O-rings [A] with new ones, and apply grease to them. Assemble: O-rings Thermostat Housing [B] Thermostat [C] Thermostat Cap [D] Install the thermostat [A] in the hous ...

Hoses and Pipes
Hose Installation Install the hoses and pipes, being careful to follow bending direction. Avoid sharp bending, kinking, flattening or twisting. Run the hoses (see Cable, Wire, and Hose Routi ...

Other materials:

Intake Air Temperature Sensor Output Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the intake air temperature sensor connector and connect the measuring adapter [A] between these connectors as shown in ...

Radiator Hose and Pipe Inspection (coolant leak, damage, installation condition)
The high pressure inside the radiator hose can cause coolant to leak [A] or the hose to burst if the line is not properly maintained. Visually inspect the hoses for signs of deterioration. Squeeze the hoses. A hose should not be hard and brittle, nor should it be soft or swollen. Repl ...

KIBS Warning Indicator Light (For models equipped with KIBS)
The yellow warning indicator light in the meter unit functions as the KIBS warning indicator light. The yellow warning indicator light and warning symbol “KIBS” go on if there is a malfunction in the KIBS system. When the warning light is on, the KIBS system stops functioning. However, th ...