Caution! The brake master cylinder manufacturer advises against servicing the brake master cylinder due to the safety critical nature of this component. Incorrect overhaul of this component could endanger rider safety.
Operations should be limited to renewal of the pads, fasteners and the bleed valve assembly.
| Operation | Section reference |
| Draining the brake system | Draining the brake circuit |
| Remove the banjo bolt securing the hose to the rear brake master cylinder and recover the sealing washers | Removal of the rear brake master cylinder |
Unscrew and remove the banjo bolt (1) securing the hose (6) to the rear brake caliper and recover the sealing washers (2).
Note: Keep a cloth at hand to wipe up any brake fluid that leaks out of the hose.
Undo the screws (A) securing the brake hose to the swingarm and remove the hose (6), complete with clip (B).
Before removing the brake caliper (3), remove the clips (C) securing the wire of the rear wheel speed sensor to the brake hose.
Unscrew the screws (5) securing the rear brake caliper (3) to the caliper mounting bracket (10) and remove the caliper.
Note: For the brake pad renewal procedure, refer to Checking brake pad wear and changing brake pads.
To remove the speed sensor (13), undo the screw (12) securing it to the caliper mounting bracket, taking care not to damage the spacer (7).
Only the following parts should be renewed:
- caliper: pads, fasteners and bleed valve assembly;
- master cylinder: control pedal, bleed valve assembly, reservoir and its components.
Refer to the exploded view at the beginning of this section for indications on renewal of the above components.
To remove the caliper mounting bracket, first remove the rear wheel (Removal of the rear wheel).
Slide the caliper mounting bracket off the swingarm pin (D).
