Kawasaki Ninja Service Manual: Commutator Cleaning and Inspection

Kawasaki Ninja Service Manual / Electrical System / Electric Starter System / Commutator Cleaning and Inspection

Clean the metallic debris off the between commutator segments [A].

NOTE

Do not use emery or sand paper on the commutator.

Check the commutator for damage or abnormal wear.

Commutator Cleaning and Inspection

Replace the starter motor with a new one if there is any damage or wear.

Visually inspect the commutator segments for discoloration.

Replace the starter motor with a new one if discoloration is noticed.

Brush Inspection

Measure the length of each brush [A]. If any is worn down to the service limit, replace the brush assy. Starter Motor Brush Length [B] Standard: 12.05 mm (0.4744 in.) Service Limit: 6.55 mm ...

Armature Inspection

Using the × 1 Ω hand tester range, measure the resistance between any two commutator segments [A]. Special Tool - Hand Tester: 57001-1394 If there is a high resistance or no readin ...

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Subthrottle Sensor Output Voltage Inspection
Measure the output voltage at the subthrottle sensor in the same way as input voltage inspection, note the following. Disconnect the subthrottle sensor connector and connect the setting adapter [A] between these connectors. Special Tool - Throttle Sensor Setting Adapter: 57001 -1538 ...

Fuel Reserve Switch Inspection
Fill the fuel tank with fuel and close the fuel tank cap. Remove the front seat (see Front Seat Removal in the Frame chapter). Disconnect the fuel pump lead connector [A]. Connect the test light [A] (12 V 3.4 W bulb in a socket with leads) and the 12 V battery [B] to the fuel pu ...

Coolant Flow Chart
1. Radiator 2. Radiator Fan 3. Water Pump 4. Oil Cooler 5. Oil Cooler Intake Hose 6. Oil Cooler Outlet Hose 7. Cylinder Jacket 8. Cylinder Head Jacket 9. Thermostat Housing 10. Air Bleeder Hose 11. Radiator Cap 12. Radiator Overflow Hose 13. Reserve Tank 14. Reserve Tank Overflow Ho ...