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 ...

Other materials:

ECU Removal
NOTICE Never drop the ECU especially on a hard surface. Such a shock to the ECU can damage it. Remove the upper air cleaner housing (see Air Cleaner Element Replacement in the Periodic Maintenance chapter). Lift up the ECU [A] with rubber protector [B] to disconnect the connectors [C]. ...

Radiator Hose and Pipe Inspection (coolant leak, damage, installation condition)
The high pressure inside the radiator hose can cause coolant to leak [A] or the hose to burst if the line is not properly maintained. Visually inspect the hoses for signs of deterioration. Squeeze the hoses. A hose should not be hard and brittle, nor should it be soft or swollen. Repl ...

For Primary Fuel Injectors
Remove the air cleaner housing (see Air Cleaner Housing Removal). Disconnect the injector connector and connect the harness adapter [A] between these connectors as shown in the figure. Main Harness [B] Primary Fuel Injector #1 [C] Special Tool - Measuring Adapter: 57001-1700 ...