If they show any damage, replace it.

Caliper Fluid Seal Damage
Caliper Piston and Cylinder DamageRebound Damping Force Adjustment
To adjust the rebound damping force, turn the rebound
damping adjuster [A] to the desired position.
The standard adjuster setting is the 1 3/4 turns out from
the fully clockwise position.
Rebound Damping Force Adjustment
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S-KTRC Mode Indicator
This indicator shows the selected
S-KTRC mode. For more detailed information
about the S-KTRC mode,
see Sport-Kawasaki TRaction Control
(S-KTRC) section in the How to Ride
the Motorcycle chapter
A. S-KTRC Mode Indicator
NOTE
When the all S-KTRC mode indicators
go off, the battery voltag ...
Liquid Gasket, Non-permanent Locking Agent
For applications that require Liquid Gasket or a
Non-permanent Locking Agent, clean the surfaces so
that no oil residue remains before applying liquid gasket or
non-permanent locking agent. Do not apply them excessively.
Excessive application can clog oil passages and
cause serious damage.
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