If they show any damage, replace it.

Caliper Fluid Seal Damage
Caliper Piston and Cylinder DamageHub 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 ...
Special Tools and Sealant
Oil Pressure Gauge, 5 kgf/cm²:
57001-125
Hand Tester:
57001-1394
Needle Adapter Set:
57001-1457
Extension Tube:
57001-1578
Fuel Pressure Gauge Adapter:
57001-1593
Fuel Hose:
57001-1607
Measuring Adapter:
57001-1700
Liquid Gasket, TB1211:
56019-120
...
ABS Indicator Light (For models equipped with KIBS)
: Normally
the ABS indicator light goes on when the ignition switch is turned
“ON” and goes off shortly after the motorcycle starts moving. If the ABS is
normal,
it stays off. If the ABS indicator light shows any of the following, a fault or
faults may
have taken place in the ABS. You ...