Kawasaki Ninja Service Manual: Spring Preload Adjustment

Kawasaki Ninja Service Manual / Suspension / Rear Shock Absorber / 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 nut [A] to the desired position and tighten the locknut [B].

Spring Length [C]

Spring Preload Setting Standard: Spring length 162 mm (6.38 in.) Usable Range: Spring length 157
170 mm (6.18
6.69 in.)

Spring Preload Adjustment

Remove the bolts [A] and rear footpeg bracket [B] (both sides) for easily adjustment.

Spring Preload Adjustment

To adjust the spring preload, turn in the adjusting nut to the desired position and tighten the locknut by using hook wrenches [A] with the rear shock absorber attached the frame.

Special Tools - Hook Wrench T=3.2 R37: 57001-1539 Hook Wrench R=35: 57001-1580

If the spring action feels too soft or too stiff, adjust it.

Spring Preload Adjustment

Spring Adjustment

Compression Damping Force Adjustment

There are two adjustments you can make to the compression damping force. High Speed Compression Damping Adjuster [A] Low Speed Compression Damping Adjuster [B] To adjust the high speed co ...

Rear Shock Absorber Removal

Remove: Lower Fairings (see Lower Fairing Removal in the Frame chapter) Fuel Tank (see Fuel Tank Removal in the Fuel System chapter) Bolts [A] (Both Sides) Foot Guard [B] (Both Sides) ...

Other materials:

Evaporative Emission Control System Inspection (CAL and SEA-B1 Models)
Inspect the canister as follows. Remove the upper fairing assembly (see Upper Fairing Assembly Removal in the Frame chapter). Remove the canister [A]. Visually inspect the canister for cracks or other damage. If the canister has any cracks or bad damage, replace it with a new one. NO ...

Front Caliper Removal
Remove: Bolt [A] Front Wheel Rotation Sensor [B] Loosen the banjo bolt [C] at the brake hose lower end, and tighten it loosely. Unscrew the caliper mounting bolts [D], and detach the caliper [E] from the disc. NOTICE Do not loosen the caliper assembly bolts [F]. Take out only ...

Starter Motor Installation
NOTICE Do not tap the starter motor shaft or body. Tapping the shaft or body could damage the motor. Clean the starter motor legs [A] and crankcase where the starter motor is ground. Replace the O-ring [A] with a new one. Apply grease to the new O-ring. Tighten: Torque - Starter ...