If they show any damage, replace it.

Caliper Fluid Seal Damage
Caliper Piston and Cylinder DamageHow Do I Get Warranty Service?
If there is a problem with your vehicle within the limited warranty period,
you will
need to schedule a service appointment and provide any maintenance records to
an authorized Kawasaki dealer for inspection and diagnosis. You can go to any
Kawasaki dealer for warranty repairs. Your Kawasaki de ...
Steering Play Inspection
Remove the lower fairings (see Lower Fairing Removal in
the Frame chapter).
Raise the front wheel off the ground with the jack.
Special Tools - Jack: 57001-1238
Jack Attachment: 57001-1608
With the front wheel pointing straight ahead, alternately
tap each end of the handlebar. The f ...
DFI Power Source
ECU Fuse Removal
Refer to the 30 A Main/15 A ECU Fuse Removal in the
Electrical System chapter.
ECU Fuse Installation
If a fuse fails during operation, inspect the DFI system to
determine the cause, and then replace it with a new fuse
of proper amperage.
Refer to the Fuse Installation in ...