If they show any damage, replace it.

Caliper Fluid Seal Damage
Caliper Piston and Cylinder DamageWhat Are The Dealership’s Responsibilities?
Your Kawasaki dealer offers a wide range of services, parts, accessories, and
information on your product and on Kawasaki.
Each dealer is independently owned and operated and is responsible for the
dealership’s
operations, its repair, warranty, and service work, and its personnel.
Your dea ...
Hub Bearing Inspection
Since the hub bearings are made to extremely close tolerances,
the clearance can not normally be measured.
NOTE
Do not remove any bearings for inspection. If any bearings
are removed, they will need to be replaced with
new ones.
Turn each bearing in the hub back and forth [A] while
checki ...
Wiring Diagram (US, CA and CAL with KIBS Models)
ZX1000KC
ZX1000KD
...