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:

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 reading (∞) between any two segments, a winding is open and the starter motor must be replaced. ...

Tire Removal
Remove: Wheels (see Front/Rear Wheel Removal) Valve Core (Let out the air) To maintain wheel balance, mark the valve stem position on the tire with chalk so that the tire can be reinstalled in the same position. Chalk Mark or Yellow Mark [A] Valve Stem [B] Align [C] Lu ...

Connecting Rod Twist Inspection
With the big-end arbor [A] still on V block [C], hold the connecting rod horizontally and measure the amount that the arbor [B] varies from being paralleled with the surface plate over a 100 mm (3.94 in.) length of the arbor to determine the amount of connecting rod twist. If the conne ...