Replace the caliper if the cylinder and piston are badly scores or rusty.
Front Caliper [C] Rear Caliper [D]


Rear Caliper Dust Boot and Friction Boot Damage
Rear Caliper Holder Shaft WearSystem Components
1. KIBS ECU
With input from the front and rear wheel sensors and front
caliper hydraulic pressure, the KIBS ECU analyzes various
conditions on the motorcycle, and with additional information
from the FI ECU (engine speed, throttle position, gear
position, and clutch actuation) precisely control ...
Exploded View
7. US, CA and CAL Models
8. Immobilizer System Equipped Models
9. ZX1000JD/KD
AD: Apply adhesive.
L: Apply a non-permanent locking agent.
R: Replacement Parts
13. Other than US, CA and CAL Models
CL: Apply cable lubricant.
EO: Apply engine oil.
G: Apply grease.
L: Apply a ...
Drive Chain Wear Inspection
Remove the chain cover (see Drive Chain Removal/Installation
in the Final Drive chapter).
Rotate the rear wheel to inspect the drive chain for damaged
rollers, and loose pins and links
If there is any irregularity, replace the drive chain.
Lubricate the drive chain if it appears dry.
...