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:

Switch Inspection
Using a hand tester, check to see that only the connections shown in the table have continuity. Special Tool - Hand Tester: 57001-1394 For the switch housings and the ignition switch, refer to the tables in the Wiring Diagram. If the switch has an open or short, repair it or replace it w ...

Jump starting
If your motorcycle battery is “run down”, it should be removed and charged. If this is not practical, a 12 volt booster battery and jumper cables may be used to start the engine. DANGER Battery acid generates hydrogen gas which is flammable and explosive under certain conditions. It i ...

Front Fork Installation (Each Fork Leg)
Install the fork so that the top plug end [A] as shown in the figure. 11 mm (0.43 in.) [B] Steering Stem Head [C] Tighten: Torque - Front Fork Clamp Bolts (Lower): 23 N·m (2.3 kgf·m, 17 ft·lb) NOTE Tighten the two lower front fork clamp bolts alternately two times to ensur ...