Kawasaki Ninja

Kawasaki Ninja Service Manual: Radiator Fan System

Kawasaki Ninja Service Manual / Electrical System / Radiator Fan System

Fan Motor Inspection

If the fan does not rotate, the fan motor is defective and must be replaced.

Fan Motor Inspection


Radiator Fan Circuit

Radiator Fan Circuit


1. ECU

2. Fan Motor

3. Ignition Switch

4. Joint Connector F

5. Fuse Box 1

6. Ignition Fuse 15 A

7. Relay Box

8. Radiator Fan Relay

9. Frame Ground

10. Fuse Box 2

11. Fan Fuse 15 A

12. Starter Relay

13. Main Fuse 30 A

14. Battery

15. Engine Ground

Air Intake Solenoid Valve Unit Test
Remove the air intake solenoid valve (see Air Intake Solenoid Valve Removal in the Fuel System (DFI) chapter). Set the hand tester [A] to the × 1 Ω range and connect it to the air ...

Meter, Gauge, Indicator Unit
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Other materials:

Electrical Wiring
Wiring Inspection Visually inspect the wiring for signs of burning, fraying, etc. If any wiring is poor, replace the damaged wiring. Pull each connector [A] apart and inspect it for corrosion, dirt, and damage. If the connector is corroded or dirty, clean it carefully. If it is da ...

Crankshaft Main Bearing Insert/Journal Wear Inspection
Split the crankcase (see Crankcase Splitting). Cut strips of plastigage to journal width. Place a strip on each journal parallel to the crankshaft installed in the correct position. Tighten the crankcase bolts to the specified torque (see Crankcase Assembly). NOTE Do not turn ...

Rear Sprocket Removal
Remove the rear wheel (see Rear Wheel Removal in the Wheels/Tires chapter). NOTICE Do not lay the wheel on the ground with the disc facing down. This can damage or warp the disc. Place blocks under the wheel so that the disc does not touch the ground. Remove: Rear Sprocket Nu ...