Kawasaki Ninja Service Manual: Cooling System Flushing

Kawasaki Ninja Service Manual / Cooling System / Coolant / Cooling System Flushing

Over a period of time, the cooling system accumulates rust, scale, and lime in the water jacket and radiator. When this accumulation is suspected or observed, flush the cooling system. If this accumulation is not removed, it will clog up the water passage and considerable reduce the efficiency of the cooling system.

NOTICE

Do not use a flushing compound which is harmful to the aluminum engine and radiator. Carefully follow the instructions supplied by the manufacturer of the cleaning product.

Pressure Testing
Remove: Upper Fairing Assembly (see Upper Fairing Assembly Removal in the Frame chapter) Radiator Cap [A] Remove the radiator cap in two steps. First turn the cap counterclockwise to the ...

Coolant Reserve Tank Removal
Remove: Upper Fairing Assembly (see Upper Fairing Assembly Removal in the Frame chapter) Bolt [A] Cap [B] Pour the coolant into a container. Remove: Radiator Overflow Hose [C] (Discon ...

Other materials:

Exhaust Pipe Removal
Remove: Radiator (see Radiator and Radiator Fan Removal in the Cooling System chapter) Exhaust Pipe Clamp Bolt [A] (Loosen) Remove the exhaust pipe holder nuts [A], and pull out the exhaust pipe [B] forward from the premuffler chamber. ...

Engine Sprocket Installation
Replace the sprocket washer and axle cotter pin. Install the engine sprocket onto the output shaft. Apply molybdenum disulfide oil solution to the threads and seating surface of the engine sprocket nut. Tighten: Torque - Engine Sprocket Nut: 145 N·m (14.8 kgf·m, 107 ft·lb) NOTE ...

Fuel Tank and Cap Inspection
Visually inspect the gasket [A] on the tank cap for any damage. Replace the gasket if it is damaged. Check to see if the water drain pipe [B] and fuel breather pipe [C] in the tank are not clogged. Check the tank cap breather also. If they are clogged, remove the tank and drain it ...