If they show any damage, replace it.

Caliper Fluid Seal Damage
Caliper Piston and Cylinder DamageFuel Consumption
This display mode shows the fuel
consumption in Liter or Gallon by numerical
value counted from the start of
measuring to present time.
A. Fuel Consumption
B. “L�
While the fuel consumption is displayed,
push the lower button and
hold it in until the fuel consumption
values re ...
KIBS Hydraulic Unit Removal
NOTICE
The KIBS hydraulic unit [A] has been adjusted
and set with precision at the factory. Therefore, it
should be handled carefully, never struck sharply,
as with a hammer, or allowed to fall on a hard
surface.
Be careful not to get water or mud on the KIBS hydraulic
unit.
Drain the b ...
ESD (Electronic Steering Damper) ECU Removal (ZX1000JD/KD)
NOTICE
Never drop the ECU especially on a hard surface.
Such a shock to the ECU can damage it.
Lift up the front portion of the fuel tank, and hold it with a
suitable bar or block (see Fuel Tank Removal in the Fuel
System (DFI) chapter).
NOTE
When removing the ESD ECU only, there ...