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

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

    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 ...

    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 ...

    Other materials:

    Checking the fuel pressure
    1. Check: Pressure regulator operation a. Remove the fuel hose connector cover "1" and disconnect the fuel hose "2" from the fuel pump. CAUTION:Although the fuel has been removed from the fuel tank, be careful when removing the fuel hose, since there may be fuel remaining i ...

    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. ...

    Sidestand
    The sidestand is located on the left side of the frame. Raise the sidestand or lower it with your foot while holding the vehicle upright. TIP The built-in sidestand switch is part of the ignition circuit cut-off system, which cuts the ignition in certain situations. WARNING The vehicl ...

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