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:

Oil Pan Installation
If the oil filter holder bolt [A] was removed, tighten it. Apply a non-permanent locking agent to the threads of the oil filter holder bolt. Torque - Oil Filter Holder Bolt: 35 N·m (3.6 kgf·m, 26 ft·lb) Replace the O-rings [B] with new ones, and apply grease to them. Install the O-ri ...

Fuel Tank Cap
To open the fuel tank cap, pull up the key hole cover. Insert the ignition key into the fuel tank cap and turn the key to the right. To close the cap, push it down into place with the key inserted. The key can be removed by turning it to the left to the original position. Close the key hol ...

Oxygen Sensor Heater Resistance Inspection
Turn the ignition switch to OFF. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the oxygen sensor lead connector [A]. Connect a digital meter [A] to the terminals in the oxygen sensor lead connector [B]. Measure the oxygen sensor heat ...