Kawasaki Ninja Service Manual: Caliper Piston and Cylinder Damage

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. ...

Rear Caliper Holder Shaft Wear

The caliper body must slide smoothly on the caliper holder shafts [A]. If the body does not slide smoothly, one pad will wear more than the other, pad wear will increase, and constant drag on the d ...

Other materials:

Oil Pressure Relief Valve Inspection
Remove the oil pressure relief valve (see Oil Pressure Relief Valve Removal). Check to see if the valve [A] slides smoothly when pushing it in with a wooden or other soft rod, and see if it comes back to its seat by spring [B] pressure. NOTE Inspect the valve in its assembled stat ...

Coolant Deterioration Inspection
Remove the right lower fairing (see Lower Fairing Removal in the Frame chapter). Visually inspect the coolant in the reserve tank [A]. If whitish cotton-like wafts are observed, aluminum parts in the cooling system are corroded. If the coolant is brown, iron or steel parts are rusting. I ...

Caliper Rubber Parts Replacement
Front Caliper Disassembly Remove: Front Caliper (see Front Caliper Removal in the Brakes chapter) Brake Pads (see Front Brake Pad Removal in the Brakes chapter) Remove: Front Caliper Assembly Bolts [A] Split the front caliper. Remove: Pad Spring O-ring [A] U ...