Yamaha YZF-R125 Owners Manual: Checking the brake fluid level

Front brake


Front brake

  1. Minimum level mark

Rear brake


Rear brake

  1. Minimum level mark

Insufficient brake fluid may allow air to enter the brake system, possibly causing it to become ineffective.

Before riding, check that the brake fluid is above the minimum level mark and replenish if necessary. A low brake fluid level may indicate worn brake pads and/or brake system leakage. If the brake fluid level is low, be sure to check the brake pads for wear and the brake system for leakage.

Observe these precautions:

  • When checking the fluid level, make sure that the top of the brake fluid reservoir is level.
  • Use only the recommended quality brake fluid, otherwise the rubber seals may deteriorate, causing leakage and poor braking performance.
Recommended brake fluid:

DOT 4

  • Refill with the same type of brake fluid. Mixing fluids may result in a harmful chemical reaction and lead to poor braking performance.
  • Be careful that water does not enter the brake fluid reservoir when refilling. Water will significantly lower the boiling point of the fluid and may result in vapor lock.
  • Brake fluid may deteriorate painted surfaces or plastic parts. Always clean up spilled fluid immediately.
  • As the brake pads wear, it is normal for the brake fluid level to gradually go down. However, if the brake fluid level goes down suddenly, have a Yamaha dealer check the cause.
    Checking the front and rear brake pads
    The front and rear brake pads must be checked for wear at the intervals specified in the periodic maintenance and lubrication chart. Front brake pads Remove the front brake caliper by re ...

    Changing the brake fluid
    Have a Yamaha dealer change the brake fluid at the intervals specified in the periodic maintenance and lubrication chart. In addition, have the brake hose replaced every four years or whenev ...

    Other materials:

    Checking and lubricating the brake and shift pedals
    Brake pedal Brake pedal Shift pedal Shift pedal The operation of the brake and shift pedals should be checked before each ride, and the pedal pivots should be lubricated if necessary. Recommended lubricant:Lithium-soap-based grease ...

    Handlebar switches
    Left Left 1. Pass switch "PASS" 2. Dimmer switch "/" 3. Turn signal switch "/" 4. Horn switch"" Right Right Engine stop switch "/" Start switch"" Pass switch "PASS" Press this switch to flash the headlight. Dimmer switch "/" Set this switch to"" for the high beam an ...

    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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