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:

Tachometer
The tachometer shows the engine speed in revolutions per minute (r/min, rpm). On the right side of the tachometer face is a portion called the “red zone”. Engine r/min (rpm) in the red zone is above maximum recommended engine speed and is also above the range for good performance. ...

External Shift Mechanism Inspection
Examine the shift shaft [A] for any damage. If the shaft is bent, straighten or replace it. If the serration [B] are damaged, replace the shaft. If the spring [C] is damaged in any way, replace it. If the shift mechanism arm [D] is damaged in any way, replace the shaft. Check the s ...

Nozzle Assy Installation
Replace the dust seals [A] with new ones. Apply engine oil to the new dust seals, and install them. Install the nozzle assy securely. Push the four mounting positions of the injectors. Set the joint pipe parallel to the air cleaner housing [B]. NOTICE When installing the nozzle assy, ap ...