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

1. Check:

  • Brake hoses "1" Cracks/damage/wear 
    Replace.

2. Check:

  • Brake hose holder "2" Loose connection Tighten the
    holder bolt.

    Loose or open holder Fasten
    properly.

Checking the rear brake hose


3. Hold the vehicle upright and apply the rear brake several times.

4. Check:

Brake hoses Brake fluid leakage Replace the
damaged hose.

Refer to "REAR BRAKE" on page 4-28.

    Checking the front brake hose
    1. Check: Brake hose "1" Cracks/damage/wear  Replace. 2. Check: Brake hose holder "2" Loose connection Tighten the holder bolt. 3. Hold the vehicle upright and apply ...

    Bleeding the hydraulic brake system
    WARNINGBleed the hydraulic brake system whenever: the system is disassembled. a brake hose is loosened, disconnected or replaced. the brake fluid level is very low. brak ...

    Other materials:

    Checking the coolant temperature sensor
    1. Remove: Coolant temperature sensor WARNING Handle the coolant temperature sensor with special care. Never subject the coolant temperature sensor to strong shocks. If the coolant temperature sensor is dropped, replace it. 2. Check: Coolant temper ...

    Faulty front fork legs
    Leaking oil - Bent, damaged or rusty inner tube - Cracked or damaged outer tube - Improperly installed oil seal - Damaged oil seal lip - Incorrect oil level (high) - Loose damper rod assembly bolt - Damaged damper rod assembly bolt copper washer - Cracked or damaged front fork cap O-ring M ...

    Checking the steering head
    1. Wash: Bearings Bearing races 2. Check: Bearings Bearing races Damage/pitting →Replace. 3. Replace: Bearings Bearing races a. Remove the bearing races from the steering head pipe with a long rod "1" and hammer. b. Remove the bearing race from the lower bracket ...

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