Yamaha YZF-R125 Service Manual: Checking the rear brake caliper

Yamaha YZF-R125 Service Manual / Chassis / Rear brake / Checking the rear brake caliper

Checking the rear brake caliper


1. Check:

  • Brake caliper piston "1" Rust/scratches/wear Replace the
    brake caliper piston.
  • Brake caliper cylinder "2" Scratches/wear Replace the
    brake caliper assembly.
  • Brake caliper body "3" Cracks/damage   Replace the
    brake caliper assembly.
  • Brake fluid delivery passages (brake caliper body)Obstruction
    Blow out with compressed air.

    Obstruction Blow out with compressed air.


WARNING

Whenever a brake caliper is disassembled, replace the brake caliper piston dust seals and piston seals.

2. Check:

  • Brake caliper bracket Cracks/damage  Replace.

    Disassembling the rear brake caliper
    1. Remove: Brake caliper piston "1" Brake caliper piston dust seal "2" Brake caliper piston seal "3" a. Blow compressed air into the brake hose joint opening "a" to force out the pisto ...

    Assembling the rear brake caliper
    WARNING Before installation, all internal brake components should be cleaned and lubricated with clean or new brake fluid. Never use solvents on internal brake components as ...

    Other materials:

    VInstalling the handlebars
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Install: Front brake master cylinder "1" Front brake master cylinder holder "2" Front brake light switch NOTE: Install the brake master cyl ...

    Engine specifications
    ...

    Adjusting the clutch cable free play
    1. Check: Clutch cable free play "a" Out of specification Adjust. 2. Adjust: Clutch cable free play a. Pull back the rubber cover "1" b. Loosen the locknut "2". c. Turn the adjusting bolt "3" in direction "a" or "b" until the specified clutch cable free play is obtained. ...

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