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:

Rear Shock Absorber Installation
Replace the rear shock absorber nuts and tie-rod nuts with new ones. Tighten: Torque - Rear Shock Absorber Nuts: 34 N·m (3.5 kgf·m, 25 ft·lb) Tie-Rod Nuts: 34 N·m (3.5 kgf·m, 25 ft·lb) When installing the rear shock absorber bracket [A], install it so that the recess side [B] ...

Cylinder Head Cover Installation
Replace the cylinder head cover gasket [A] with a new one Using a high flash-point solvent, clean off any oil or dirt that may be on the silicone sealant coating area. Dry them with a clean cloth. Apply silicone sealant [B] to the cylinder head as shown in the figure. Sealant - Li ...

Air Suction System Damage Inspection
Separate the air switching valve hose [A] from the lower air cleaner housing [B] (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter). Connect the following parts temporarily. Fuel Pump Lead Connector [A] Extension Tube [B] Air Cleaner Housing (see Air Cleaner Hou ...