Periodic Maintenance Procedures
Caliper Rubber Parts Replacement
Front Caliper Disassembly
Front Caliper (see Front Caliper Removal in the Brakes
Front Brake Pads (see Front Brake Pad Removal in the
Remove the front caliper assembly bolts [A] and split the
Remove the O-ring [B] on the oil passage of the caliper
Using compressed air, remove the pistons. One way to
remove the pistons is as follows.
Install a rubber gasket [A] and a wooden board [B] more
than 10 mm (0.39 in.) thick on the caliper half, and fas-
ten them together with a suitable bolt and nut as shown.
Leave one of the oil passages [C] open.
Lightly apply compressed air [D] to the oil passage until
the pistons hit the rubber gasket. Block the hose joint
opening [E] during this operation if the caliper half has
Bolt [F] and Nut
Push down [G].
The piston in the brake caliper can crush hands and
fingers. Never place your hand or fingers in front of
Pull out the pistons by hand.
Remove the dust seals [A] and fluid seals [B].
Remove the bleed valve [C] and rubber cap [D].
Repeat the previous step to remove the pistons from the
other side of the caliper body.
If compressed air is not available, do as follows for both
calipers coincidentally, with the brake hose connected
to the caliper.
Prepare a container for brake fluid, and perform the
work above it.
Remove the brake pads (see Front Brake Pad Removal
in the Brakes chapter).
Pump the brake lever until the pistons come out of the
cylinders, and then disassemble the caliper.
PERIODIC MAINTENANCE 2-63