Kawasaki Ninja Service Manual: Caliper Fluid Seal Damage - Calipers

The fluid seal (piston seal) [A] is placed around the piston to maintain clearance between the pad and the disc. If the seal is in a poor condition, it could lead the pad to wear excessively or the brake to drag, which may cause the temperature of the discs or the brake fluid to increase.

If the fluid seal is replaced, replace the dust seal [B] as well. Also, replace all seals every other time the pads are changed.

Caliper Installation

Install the caliper and brake hose lower end. For the front caliper, be sure to install the collars [A]. Replace the washers on each side of hose fitting with new ones. Touch the brake ho ...

Rear Caliper Dust Boot and Friction Boot Damage

Check that the dust boot [A] and friction boot [B] are not cracked, worn, swollen, or otherwise damaged. If they show any damage, replace it. ...

Other materials:

Damping Force Adjustment ( ZX1000JC/KC)
To adjust the damping force, turn the damping adjuster [A] until you feel a click. The standard adjuster setting is the 18th click from the 1st of the fully clockwise position. If the damping feels too soft or too stiff, adjust it in accordance with the following table. Damping Force Adj ...

Relay Box Removal
Remove the left fuel tank cover (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the connectors [A]. Pull out the relay box [B] from the rubber protector [C]. NOTE The relay box has relays and diodes. The relays and diodes can not be removed. Relay Box Installa ...

Cylinder Compression Measurement
NOTE Use the battery which is fully charged. Warm up the engine thoroughly. Stop the engine. Remove the spark plugs (see Spark Plug Replacement in the Periodic Maintenance chapter). Attach the compression gauge [A] and adapter [B] firmly into the spark plug hole. Using the startermo ...