Yamaha YZF-R125 Service Manual: Replacing the rear brake pads

Yamaha YZF-R125 Service Manual / Chassis / Rear brake / 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.

Replacing the rear brake pads


2. Measure:

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


Replacing the rear brake pads


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.

Replacing the rear brake pads


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.

    Refer to "CHECKING THE BRAKE FLUID LEVEL" on page 3-18.

Replacing the rear brake pads


7. Check:

  • Brake pedal operation Soft or spongy feeling Bleed
    the brake system.

    Refer to "BLEEDING THE HYDRAULIC BRAKE SYSTEM" on page 3-20.

    Checking the rear brake disc
    1. Remove: Rear wheel Refer to "REAR WHEEL" on page 4-12. 2. Check: Brake disc Damage/galling → Replace. 3. Measure: Brake disc deflection Out of specification → Correc ...

    Removing the rear brake caliper
    NOTE: Before disassembling the brake caliper, drain the brake fluid from the entire brake system. 1. Remove: Union bolt "1" Copper washers "2" Brake hose "3" NOTE: Put the end of th ...

    Other materials:

    Removing the swingarm
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. NOTE: Place the vehicle on a suitable stand so that the rear wheel is elevated. 2. Measure: Swingarm side play Swingarm vertical movement a. Me ...

    Faulty front fork legs
    Leaking oil - Bent, damaged or rusty inner tube - Cracked or damaged outer tube - Improperly installed oil seal - Damaged oil seal lip - Incorrect oil level (high) - Loose damper rod assembly bolt - Damaged damper rod assembly bolt copper washer - Cracked or damaged front fork cap O-ring M ...

    Cleaning and lubricating the drive chain
    The drive chain must be cleaned and lubricated at the intervals specified in the periodic maintenance and lubrication chart, otherwise it will quickly wear out, especially when riding in dusty or wet areas. Service the drive chain as follows. NOTICE The drive chain must be lubricated ...

    2026 Copyright www.yam-r125.net |