Kawasaki Ninja Owners Manual: Spring Preload Adjustment

Kawasaki Ninja Owners Manual / Maintenance and adjustment / Front Fork / Spring Preload Adjustment

The spring preload adjuster is located at the lower end of each front fork leg and can be adjusted.

To increase spring preload and stiffen the suspension, turn the preload adjuster clockwise with a hexagon wrench.
To decrease preload and soften the suspension, turn the preload adjuster counterclockwise.

A. Spring Preload Adjuster

B. Hexagon Wrench

Spring Preload Setting

*: This position is the fully seated position (turned fully counterclockwise).

**: In from the fully seated position (turned fully counterclockwise). This adjustment range may not exactly match the number shown in the table due to small tolerance of production.

Front Fork Inspection

Holding the brake lever, pump the front fork up and down several times to inspect smooth stroke. Visually inspect the front fork for oil leakage, scoring or scratches on the outer surface ...

Compression Damping Force Adjuster and Rebound Damping Force Adjuster Adjustment

The compression damping force adjuster and the rebound damping force adjuster are located on top of each front fork leg. Turn the adjuster clockwise with a screwdriver to increase damping f ...

Other materials:

Exhaust Butterfly Valve Actuator Inspection
NOTE Be sure the battery is fully charged Remove the front seat (see Front Seat Removal in the Frame chapter). Turn the ignition switch to ON. In the left side view of the motorcycle, check to see the pulley [A] clockwise [B] and counterclockwise [C] smoothly. The pulley turns ...

Commutator Cleaning and Inspection
Clean the metallic debris off the between commutator segments [A]. NOTE Do not use emery or sand paper on the commutator. Check the commutator for damage or abnormal wear. Replace the starter motor with a new one if there is any damage or wear. Visually inspect the commutato ...

Brake Disc Wear Inspection
Measure the thickness of each disc [A] at the point where it has worn the most. If the disc has worn past the service limit, replace it. Measuring Area [B] Brake Disc Thickness Standard: Front 5.3 5.7 mm (0.21 0.22 in.) Rear 4.8 5.2 mm (0.19 0.20 in.) Service Limit: Front 5. ...