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:

Chain Slack Adjustment
Remove the cotter pin, and loosen the axle nut. Loosen the left and right chain adjuster locknuts. A. Axle Nut B. Cotter Pin C. Adjuster D. Locknut If the chain is too loose, turn out the left and right chain adjusters evenly. If the chain is too tight, turn in the left ...

Starter Motor Installation
NOTICE Do not tap the starter motor shaft or body. Tapping the shaft or body could damage the motor. Clean the starter motor legs [A] and crankcase where the starter motor is ground. Replace the O-ring [A] with a new one. Apply grease to the new O-ring. Tighten: Torque - Starter ...

Piston Removal
Remove: Crankshaft (see Crankshaft Removal) Remove the piston together with the connecting rod to the cylinder head side. NOTICE Discard the connecting rod bolts and nuts. To prevent damage to the crankpin surfaces, do not allow the connecting rod bolts to bump against the crankpins. ...