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:

Air Intake Duct Disassembly (Other than US, CA and CAL Models)
Remove: Air Intake Duct (see Air Intake Duct Removal) Seal [A] and Screen [B] Turn the air intake valve actuator [C] counterclockwise (90°). Remove the shaft [A] of the air intake valve actuator. Remove: Pad [A] Screws [B] Air Intake Valve [C] ...

External Shift Mechanism Installation
Install the gear positioning lever [A] as shown in the figure. Install: Spring [B] Washer [C] Tighten: Torque - Gear Positioning Lever Bolt [D]: 12 N·m (1.2 kgf·m, 106 in·lb) Assemble: Ratchet [A] Pawls [B] Pins [C] Springs [D] Install the shift ratchet ...

Wheel Rotation Sensor Air Gap Inspection
Raise the front/rear wheel off the ground (see Front/Rear Wheel Removal in the Wheels/Tires chapter). Measure the air gap between the sensor and sensor rotor at several points by turning the wheel slowly. Thickness Gauge [A] Wheel Rotation Sensor Air Gap Standard: Front 0.4 1.6 mm ...