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

Yamaha YZF-R125 Service Manual / Chassis / Front brake / Checking the front brake caliper

Checking the front brake caliper


1. Check:

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

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

Checking the front brake caliper


2. Check:

  • Brake caliper bracket Cracks/damage Replace.

    Removing the front brake caliper
    NOTE: Before disassembling the brake caliper, drain the brake fluid from the entire brake system. 1. Remove: Brake hose union bolt "1" Copper washers "2" Brake hose "3" NOTE: Put the en ...

    Assembling the front 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:

    For your safety - pre-operation checks
    Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in the Owner's Manual. WARNING Failure to inspect or maintain the vehicle properly increases the possibility of ...

    Removing the front wheel (disc)
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Elevate: Front wheel NOTE: Place the vehicle on a suitable stand so that the front wheel is elevated. 3. Remove: Front brake caliper NO ...

    General maintenance and lubrication chart
    TIP The air filter needs more frequent service if you are riding in unusually wet or dusty areas. Hydraulic brake service Regularly check and, if necessary, correct the brake fluid level. Every two years change the brake fluid. Replace the brake hoses every four ye ...

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