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:

Brake Light Switches
When either the front or rear brake is applied, the brake light goes on. The front brake light switch requires no adjustment, but the rear brake light switch should be adjusted in accordance with the Periodic Maintenance Chart. Inspection Turn the ignition key to “ON”. The brake ligh ...

Subthrottle Valve Actuator Resistance Inspection
Turn the ignition switch to OFF. Disconnect the subthrottle valve actuator connector [A]. Connect a digital meter to the subthrottle valve actuator connector [A]. Measure the subthrottle valve actuator resistance. Subthrottle Valve Actuator Resistance Connections: Y/BK lead [1 ...

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 ...