Kawasaki Ninja Service Manual: Starter Motor Assembly

Kawasaki Ninja Service Manual / Electrical System / Electric Starter System / Starter Motor Assembly

Install the positive brush assy [A] and the starter motor terminal [B] as shown in the figure.
Replace the O-ring [C] with a new one, and install it.

Starter Motor Assembly

Install: Brush Springs [A] Negative Brush Assy [B]

Turn the stopper side [C] to inside.

Tighten: Torque - Brush Holder Screw: 3.8 N·m (0.39 kgf·m, 34 in·lb)
Install the brushes onto the brush springs.

Starter Motor Assembly

Install the following parts to the starter motor terminal [A].
Collar [B] Washer [C] Starter Motor Terminal Locknut [D]

Turn the flange of the collar to the locknut as shown in the figure.

Tighten: Torque - Starter Motor Terminal Locknut: 11 N·m (1.1 kgf·m, 97 in·lb)

Starter Motor Assembly

Apply thin coat of grease to the oil seal [A].

Starter Motor Assembly

Replace the O-rings [A] with new ones.
Insert the armature [B] so that commutator side [C] faces hollow side [D] of the yoke [E].

Starter Motor Assembly

Assemble the yoke [A] and the end covers [B] as shown in the figure.

“Y” Mark [C] ”I” Mark [D]

Starter Motor Assembly

Tighten: Torque - Starter Motor Through Bolts [A]: 5.0 N·m (0.51 kgf·m, 44 in·lb)

Starter Motor Assembly

Starter Motor Disassembly

Remove the starter motor (see Starter Motor Removal). Take off the starter motor through bolts [A] and remove the both end covers [B]. Pull out the armature [A] out of the yoke [B]. ...

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 ...

Other materials:

Spring Preload Adjustment
Remove the rear shock absorber from the frame (see Rear Shock Absorber Removal). Loosen the locknut and turn out the adjusting nut to free the spring. Special Tools - Hook Wrench T=3.2 R37: 57001-1539 Hook Wrench R=35: 57001-1580 To adjust the spring preload, turn in the adjusting n ...

Starter Motor Disassembly
Remove the starter motor (see Starter Motor Removal). Take off the starter motor through bolts [A] and remove the both end covers [B]. Pull out the armature [A] out of the yoke [B]. NOTE Do not remove the circlip [C] from the shaft. Remove the starter motor terminal lock ...

Charging Voltage Inspection
Check the battery condition (see Charging Condition Inspection). Warm up the engine to obtain actual alternator operating conditions. Remove the front seat (see Front Seat Removal in the Frame chapter). Check that the ignition switch is turned off, and connect the hand tester [A] to t ...