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) ...

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General Information
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Oil and/or Oil Filter Change
To change the engine oil and replace oil filter, the engine oil drain bolt and oil filter must be removed. The oil change and oil filter replacement should be done by an authorized Kawasaki dealer. A. Engine Oil Drain Bolt A. Oil Filter WARNINGEngine oil is a toxic s ...

Front and Rear Brakes
Disc and disc pad wear is automatically compensated for and has no effect on the brake lever or pedal action. So there are no parts that require adjustment on the front and rear brakes. WARNINGAir in the brake lines diminish braking performance and can cause an accident resulting ...