Honda CB HORNET 160R 2015 Shop Manual page 269

BRAKE SYSTEM
Do not bring Lightly apply compressed air to the fluid inlet to get the
the air nozzle
piston out.
too close to
Place the shop rag under the caliper to cushion the piston
the inlet or the
when it is expelled.
pistons may be
forced out with
Use the air in short spurts.
excessive force
that could cause
injury.
Be careful not
Push the dust seal and piston seal in and lift them out.
to damage the
Clean the seal grooves, caliper piston and caliper piston
piston sliding
PISTON SEAL
sliding surface with clean brake fluid.
surface.
DUST SEAL
INSPECTION
Check the caliper cylinder and pistons for scoring,
scratches or damage.
Measure the caliper cylinder I.D.
SERVICE LIMIT: 32.090 mm (1.2634 in)
Measure the caliper piston O.D.
SERVICE LIMITS: 31.94 mm (1.257 in)
14-25