Yamaha YZF-R125 Service Manual: General information

Yamaha YZF-R125 Service Manual / General information

NOTICE

This manual was produced by MBK Industrie. primarily for use by Yamaha dealers and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one manual. Therefore, anyone who uses this book to perform maintenance and repairs on Yamaha vehicles should have a basic understanding of mechanics and the techniques to repair these types of vehicles. Repair and maintenance work attempted by anyone without this knowledge is likely to render the vehicle unsafe and unfit for use.

Yamaha Motor Company, Ltd. is continually striving to improve all of its models. Modifications and significant changes in specifications or procedures will be forwarded to all authorized Yamaha dealers and will appear in future editions of this manual where applicable.

NOTE:

Designs and specifications are subject to change without notice.

HOW TO USE THIS MANUAL

This manual is intended as a handy, easy-to-read reference book for the mechanic. Comprehensive explanations of all installation, removal, disassembly, assembly, repair and check procedures are laid out with the individual steps in sequential order.

  • The manual is divided into chapters and each chapter is divided into sections. The current section title "1" is shown at the top of each page.
  • Sub-section titles "2" appear in smaller print than the section title.
  • To help identify parts and clarify procedure steps, there are exploded diagrams "3" at the start of each removal and disassembly section.
  • Numbers "4" are given in the order of the jobs in the exploded diagram. A number indicates a disassembly step.
  • Symbols "5" indicate parts to be lubricated or replaced.

    Refer to "SYMBOLS".

  • A job instruction chart "6" accompanies the exploded diagram, providing the order of jobs, names of parts, notes in jobs, etc.
  • Jobs "7" requiring more information (such as special tools and technical data) are described sequentially.

HOW TO USE THIS MANUAL


SYMBOLS

The following symbols are used in this manual for easier understanding.

NOTE:

The following symbols are not relevant to every vehicle.

HOW TO USE THIS MANUAL


1. Serviceable with engine mounted

2. Filling fluid

3. Lubricant

4. Special tool

5. Tightening torque

6. Wear limit, clearance

7. Engine speed

8. Electrical data

9. Engine oil

10.Gear oil

11.Molybdenum disulfide oil

12.Brake fluid

13.Wheel bearing grease

14.Lithium-soap-based grease

15.Molybdenum disulfide grease

16. Silicone grease

17.Apply locking agent (LOCTITE).

18.Replace the part with a new one.

Yamaha YZF-R125 Service Manual
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Identification
Vehicle identification number The vehicle identification number "1" is stamped into the right side of the steering head pipe. Model label The model label "1" is affixed to the frame. This inf ...

Other materials:

Checking and lubricating the cables
The operation of all control cables and the condition of the cables should be checked before each ride, and the cables and cable ends should be lubricated if necessary. If a cable is damaged or does not move smoothly, have a Yamaha dealer check or replace it. WARNING! Damage to the out ...

Rider seat
To remove the rider seat Insert the key into the seat lock, and then turn it clockwise. Seat lock Open. Pull the rider seat off. To install the rider seat 1. Insert the projection on the front of the rider seat into the seat holder as shown. Projection ...

Bearings and oil seals
Install bearings "1" and oil seals "2" so that the manufacturer's marks or numbers are visible. When installing oil seals "1", lubricate the oil seal lips with a light coat of lithium-soap-based grease. Oil bearings liberally when installing, if appropriate. CAUTION:Do not spin th ...

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