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:

Rear Wheel Installation
Apply high-temperature grease to the grease seal lips. Fit the collars on the both sides of the hub. Left Side Collar [A] Right Side Collar [B] (with Flange) Engage the drive chain with the rear sprocket. Install the caliper bracket [A] onto the stopper [B] of the swingarm. ...

Valve Guide Installation
Apply engine oil to the valve guide outer surface before installation. Heat the area around the valve guide hole to about 120 150°C (248 302°F). NOTICE Do not heat the cylinder head with a torch. This will warp the cylinder head. Soak the cylinder head and heat the oil. Usin ...

Piston Ring Thickness Inspection
Measure the piston ring thickness. Use the micrometer to measure at several points around the ring. Piston Ring Thickness Standard: Top [A] 0.77 0.79 mm (0.0303 0.0311 in.) Second [B] 0.78 0.79 mm (0.0307 0.0311 in.) Service Limit: Top 0.70 mm (0.0276 in.) Second 0.71 mm (0.0280 ...