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

Yamaha YZF-R125 Service Manual / Chassis / Front brake / 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 they will cause the brake caliper dust seals and piston seals to swell and distort.
  • Whenever a brake caliper is disassembled, replace the brake caliper dust seals and piston seals.

    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 f ...

    Installing the front brake caliper
    1. Install: Brake caliper "1" (temporarily) Copper washers "2" Brake hose "3" Brake hose union bolt "4" WARNINGProper brake hose routing is essential to insure safe vehi ...

    Other materials:

    Intake air pressure sensor
    1. Check: Intake air pressure sensor output voltage Out of specification Replace the throttle body. a. Connect the pocket tester (DC 20 V) to the throttle body sensor assembly coupler as shown. Positive tester probe pink/white "1" Negative tester probe gray/black "2" ...

    Installing the generator
    1. Install: Woodruff key Generator rotor Washer Generator rotor nut NOTE: Clean the tapered portion of the crankshaft and the generator rotor hub. When installing the generator rotor, make sure the woodruff key is properly sealed in the keyway of the crankshaft. 2. Tighte ...

    Loading
    Adding accessories or cargo to your motorcycle can adversely affect stability and handling if the weight distribution of the motorcycle is changed. To avoid the possibility of an accident, use extreme caution when adding cargo or accessories to your motorcycle. Use extra care when ridi ...

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