Replacing the rear brake pads
NOTE:
When replacing the brake pads, it is not necessary to disconnect the brake hose or disassemble the brake caliper.
1. Remove:
- Brake pads
- Brake pad spring
NOTE:
To remove the inner brake pad "1", push down on the brake caliper bracket so that there is space to remove the brake pad.

2. Measure:
Brake pad wear limit "a" Out of specification → Replace the brake pads as a set. 

3. Install:
- Brake pad spring

- Brake pads

NOTE:
Always install new brake pads and a new brake pad spring as a set.
a. Connect a clear plastic hose tightly to the bleed screw. Put the other end of the hose into an open container.

b. Loosen the bleed screw and push the brake caliper piston into the brake caliper with your finger.
c. Tighten the bleed screw. 
d. Install a new brake pad spring "1" and new brake pads.
NOTE:
Install the brake pad spring as shown. 
4. Install:
- Brake pad retaining bolts
- Brake caliper

5. Install:
- Rear wheel Refer to "REAR WHEEL" on page 4-12.
6. Check:
- Brake fluid level Below the minimum level mark "a"
Add the
recommended brake fluid to the proper level.

7. Check:
- Brake pedal operation Soft or spongy feeling
Bleed
the brake system.
Refer to "BLEEDING THE HYDRAULIC BRAKE SYSTEM" on page 3-20.
Test yourself
A quick Yamaha YZF-R125 quiz: every answer comes with an explanation and a link to the manual page.