If they show any damage, replace it.

Caliper Fluid Seal Damage
Caliper Piston and Cylinder DamageAir Suction System Damage Inspection
Separate the air switching valve hose [A] from the lower
air cleaner housing [B] (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter).
Connect the following parts temporarily.
Fuel Pump Lead Connector [A]
Extension Tube [B]
Air Cleaner Housing (see Air Cleaner Hou ...
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 ...
Warning Indicator Light (LED)
Light (LED) Inspection
The warning indicator light (LED) [A] is used for the FI indicator,
immobilizer indicator (immobilizer equipped models),
water temperature warning indicator and oil pressure
warning indicator.
In this model, the warning indicator light (LED) (FI/immobilizer)
goes ...