The master cylinder back bleed is to be used when a brake master cylinder or ABS
modulator has been removed from the braking system and then refitted or replaced.
The rear caliper should be detached from the motorcycle with the pistons pumped out
against a suitable flat metal plate as described in Rear Brake Master Cylinder -
Removal.
1. Depress the brake pedal to its stop. This will make sure the reservoir port is closed
and brake fluid flows to the fluid reservoir.
Make sure no damage is made to the brake pad material when moving the brake
pads.
Allowing the brake pads to come into contact with each other or sharp objects may
cause the material to crack or break.
Damage to the brake pads may result in reduced braking efficiency leading to loss of
motorcycle control and an accident.
2. Being careful not to damage the brake pad material, use the metal plate against the
brake pads to push the caliper pistons in evenly. 3. Push the pistons into the caliper.
Perform the following operations:
• Rear Brake Caliper - Installation
• Bleed the rear brakes (see Bleeding the Rear Brake).
Rear Brake Caliper Bleed
1. Remove the rubber cap from the caliper bleed screw.
2. Attach a transparent tube to the bleed screw.
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