Kawasaki Ninja Service Manual: Thermostat Inspection

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

Remove the thermostat (see Thermostat Removal).
Inspect the thermostat valve [A] at room temperature.

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

Thermostat Inspection

To check valve opening temperature, suspend the thermostat [A] in a container of water and raise the temperature of the water.

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:

Valve Installation
NOTICE Do not lap the valve to the valve seat, using the grinding compound. It will come off oxide film treated surface of the valve. Replace the oil seal with a new one. Apply a thin coat of molybdenum disulfide grease to the valve stem before valve installation. Install the springs so ...

Kawasaki Clean Air System
The Kawasaki Clean Air System (KCA) is a secondary air suction system that helps the exhaust gases to burn more completely. When the spent fuel charge is released into the exhaust system, it is still hot enough to burn. The KCA System allows extra air into the exhaust system so that the spen ...

Spring Preload Adjustment
The spring preload adjuster is located at the lower end of each front fork leg and can be adjusted. To increase spring preload and stiffen the suspension, turn the preload adjuster clockwise with a hexagon wrench. To decrease preload and soften the suspension, turn the preload adjust ...