Kawasaki Ninja Service Manual: Front Fork Assembly

Kawasaki Ninja Service Manual / Suspension / Front Fork / Front Fork Assembly

Replace the following parts with new ones.

Slide Bushing

Guide Bushing

Oil Seal

Install the following parts to the inner tube [A].

Dust Seal [B] Retaining Ring [C]

Front Fork Assembly

Apply grease to the oil seal lips.
Install the oil seal [A] so that the stamp side faces lower side.
Install the washer [B] so that the chamfer side faces upper side.
Install the guide bushing [C] so that the slit of it is positioned perpendicular to the traveling direction.

Install the slide bushing [D] so that the slit of it is positioned perpendicular to the traveling direction.

Apply grease to the slide and guide bushings and oil seal.

Front Fork Assembly

Insert the inner tube to the outer tube.
After installing the washer, install the oil seal [A] by using the fork oil seal driver [B].

Special Tool - Fork Oil Seal Driver, 43: 57001-1530
Install the retaining ring and dust seal.
Pour in the specified type of oil (see Front Fork Oil Change).

Front Fork Assembly

Front Fork Disassembly

Remove the front fork (see Front Fork Removal (Each Fork Leg)) Drain the fork oil (see Front Fork Oil Change). Take the dust seal [A] off the outer tube. Remove the retaining ring [B]. Se ...

Inner Tube Inspection

Visually inspect the inner tube [A]. If there is any damage, replace the inner tube. Since damage to the inner tube damages the oil seal, replace the oil seal whenever the inner tube is replac ...

Other materials:

Throttle Control System Inspection
Check the throttle grip free play [A]. If the free play is incorrect, adjust the throttle cables. Throttle Grip Free Play Standard: 2 3 mm (0.08 0.12 in.) Check that the throttle grip [B] moves smoothly from full open to close, and the throttle closes quickly and completely by the ...

Timing Rotor Installation
Install the timing rotor [A] on the crankshaft [B] with their teeth [C] aligned. Holding the timing rotor with the flywheel & pulley holder and tighten the bolt. Torque - Timing Rotor Bolt: 39 N·m (4.0 kgf·m, 29 ft·lb) Special Tool - Flywheel & Pulley Holder: 57001-1605 I ...

Brake Disc Warp Inspection
Raise the wheel off the ground with the jack. Special Tools - Jack: 57001-1238 Jack Attachment: 57001-1608 For front disc inspection, turn the handlebar fully to one side. Set up a dial gauge against the disc [A] as shown in the figure and measure disc runout, while turning [B] the ...