Yamaha YZF-R125 Service Manual: Introduction

Yamaha YZF-R125 Service Manual / Chassis / Front brake / Introduction

WARNING

Disc brake components rarely require disassembly.

Therefore, always follow these preventive measures:

Never disassemble brake components unless absolutely necessary.
If any connection on the hydraulic brake system is disconnected, the entire brake system must be disassembled, drained, cleaned, properly filled, and bled after reassembly.
Never use solvents on internal brake components.
Use only clean or new brake fluid for cleaning brake components.
Brake fluid may damage painted surfaces and plastic parts. Therefore, always clean up any spilt brake fluid immediately.
Avoid brake fluid coming into contact with the eyes as it can cause serious injury.
FIRST AID FOR BRAKE FLUID ENTERING THE EYES:
Flush with water for 15 minutes and get immediate medical attention.

Checking the front brake disc

1. Remove: Front wheel Refer to "FRONT WHEEL" on page 4-6. 2. Check: Brake disc Damage/galling Replace. 3. Measure: Brake disc deflection Out of specification Correct the b ...

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Introduction
Welcome to the Yamaha world of motorcycling! As the owner of the YZF-R125, you are benefiting from Yamaha's vast experience and newest technology regarding the design and manufacture of high-quality products, which have earned Yamaha a reputation for dependability. Please take the time to re ...

Removing the rear 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: Rear wheel NOTE: Place the vehicle on a suitable stand so that the rear wheel is elevated. 3. Remove: Rear brake caliper NOTE: ...

Checking and lubricating the brake and clutch levers
Brake lever Brake lever Clutch lever Clutch lever The operation of the brake and clutch levers should be checked before each ride, and the lever pivots should be lubricated if necessary. Recommended lubricants:Brake lever: Silicone grease Clutch lever: Lithium-soap ...