Kawasaki Ninja Service Manual: Caliper Fluid Seal Damage

Kawasaki Ninja Service Manual / Brakes / Calipers / Caliper Fluid Seal Damage

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.

Caliper Fluid Seal Damage


Brake fluid leakage around the pad.

Brakes overheat.

Considerable difference in inner and outer pad wear.

Seal and piston are stuck together.

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

Front Caliper [C] Rear Caliper [D]

Caliper Fluid Seal Damage


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:

Rear Master Cylinder Removal
Unscrew the brake hose banjo bolt [A] and remove the brake hose (see Brake Hose and Pipe Replacement in the Periodic Maintenance chapter). Remove: Rear Master Cylinder Mounting Bolts [B] Foot Guard [C] Screw and Stopper [D] Bolt [E] Front Footpeg Bracket Bolts [F] Cable Guide [G ...

Braking
Close the throttle completely, leaving the clutch engaged (except when shifting gears) so that the engine will help slow down the motorcycle. Shift down one gear at a time so that you are in 1st gear when you come to a complete stop. When stopping, always apply both brakes at the ...

Terminal Numbers of ECU Connectors
1. Subthrottle Valve Actuator: Y/BK 2. Subthrottle Valve Actuator: BK/O 3. Unused 4. Front Wheel Rotation Sensor Signal: G/Y 5. Unused 6. Starter Lockout Switch: R/G 7. Gear Position Switch: G/R 8. Crankshaft Sensor (–): BK 9. Power Supply to Sensors: BL 10. Unused 11. Intake Air Pre ...