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:

Camshaft Removal
Remove: Cylinder Head Cover (see Cylinder Head Cover Removal) Crankshaft Sensor Cover (see Crankshaft Sensor Removal in the Electrical System chapter) Using a wrench on the timing rotor bolt [A], turn the crankshaft clockwise until the line [B] (TDC mark for #1,4 pistons) on the timin ...

Clutch Cover Assembly
Replace the needle bearings and oil seal with new ones. NOTE Install the needle bearings so that the manufacture’s mark face out. Install the needle bearings [A] and oil seal [B] position as shown in the figure. Press the upper and lower bearings so that the bearing surface [ ...

Drive Chain Slack Inspection
NOTE Check the slack with the motorcycle setting on its sidestand. Clean the chain if it is dirty, and lubricate it if it appears dry. Check the wheel alignment (see Wheel Alignment Inspection). Rotate the rear wheel to find the position where the chain is tightest. Measure the ver ...