Yamaha YZF-R125 Service Manual: Removing the rear brake master cylinder

Yamaha YZF-R125 Service Manual / Chassis / Rear brake / Removing the rear brake master cylinder

NOTE:

Before removing the rear brake master cylinder, drain the brake fluid from the entire brake system.

1. Disconnect:

  • Rear brake light switch coupler

2. Loosen:

  • Rear brake light switch "1"

3. Remove:

  • Rear brake master cylinder bolts
  • Rear brake master cylinder

4. Remove:

  • Rear brake light switch "1"
  • Copper washers "2"
  • Brake hose "3"

Removing the rear brake master cylinder


NOTE:

To collect any remaining brake fluid, place a container under the master cylinder and the end of the brake hose.

    Installing the rear brake caliper
    1. Install: Brake caliper "1" Copper washers Brake hose "2" Union bolt "3" WARNINGProper brake hose routing is essential to insure safe vehicle operation. Refer to "CABLE ...

    Checking the rear brake master cylinder
    1. Check: Brake master cylinder Damage/scratches/wear Replace. Brake fluid delivery passages (brake master cylinder body) Obstruction Blow out with compressed air. 2. Check: Brake ...

    Other materials:

    Checking the cylinder head breather hose
    1. Remove: Left side panel Refer to "GENERAL CHASSIS" on page 4-1. 2. Check: Cylinder head breather hose "1" Cracks/damage → Replace. Loose connection → Connect properly. CAUTION:Make sure the cylinder head breather hose is routed correctly. ...

    Adjusting the throttle cable free play
    Throttle cable free play The throttle cable free play should measure 3.0-5.0 mm (0.12-0.20 in) at the throttle grip. Periodically check the throttle cable free play and, if necessary, adjust it as follows. TIP The engine idling speed must be correctly adjusted before checkin ...

    Special tools
    The following special tools are necessary for complete and accurate tune-up and assembly. Use only the appropriate special tools as this will help prevent damage caused by the use of inappropriate tools or improvised techniques. Special tools, part numbers or both may differ depending on the ...

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