1989 Yamaha YZ125 repair, service manual

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Yamaha 1989 Yamaha YZ125 repair, service manual - Technical Specifications

  • File Size: 37.26 MB
  • File Type: ZIP
  • Language: English (some of our manuals are multi-language)
  • Printable: Yes
  • Estimated Download Time: 0.76 Minutes
  • Delivery Format: Digital (PDF) - Instant Access
  • Category: Bike
  • Brand: Yamaha
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Yamaha Models and Parts Covered in this Bike Manual

YZ125 / Yamaha Motor Corporation, Ltd

  • Engine: 124 cc, reed valve two-stroke, single
  • Production year(s): 1989

Yamaha 1989 Yamaha YZ125 repair, service manual - Complete Manual Information

Table of Contents

1 GENERAL INFORMATION

  • Description
  • Identification Numbers
  • Specifications
  • Torque Specifications
  • Special Tools

2 MAINTENANCE

  • Periodic Maintenance Schedule
  • Routine Maintenance Intervals
  • Lubrication Points
  • Maintenance Tasks
    • Air Filter Cleaning
    • Oil Changes
    • Throttle and Clutch Adjustment

3 ENGINE

  • Engine Removal and Installation
  • Disassembly of Engine
  • Inspection and Repair
    • Cylinder and Piston
    • Crankshaft
    • Gearbox
  • Reassembly of Engine

4 FUEL SYSTEM

  • Carburetor Adjustment
  • Fuel Tank and Tap Cleaning
  • Reed Valve Maintenance

5 COOLING SYSTEM

  • Radiator
  • Coolant Replacement
  • Water Pump

6 ELECTRICAL SYSTEM

  • Ignition System
  • Spark Plug
  • Kill Switch
  • Electrical Troubleshooting

7 CHASSIS

  • Frame
  • Suspension Setup and Maintenance
    • Forks
    • Rear Shock
  • Wheels and Tires
  • Brakes
    • Front and Rear Brake Service
    • Brake Fluid Replacement

8 TRANSMISSION

  • Clutch Assembly
  • Transmission Gears
  • Shift Mechanism

9 EXHAUST

  • Exhaust Pipe Removal and Installation
  • Muffler Cleaning

10 STEERING

  • Steering Head Adjustments
  • Handlebar Replacement

11 APPENDICES

  • Wiring Diagram
  • Troubleshooting Chart
  • Bearing and Seal Replacement

12 INDEX

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Frequently Asked Questions - Yamaha Bike Manual

What does this Yamaha manual cover?

This comprehensive service manual covers detailed repair procedures, maintenance schedules, troubleshooting guides, and technical specifications for 1989 Yamaha YZ125 repair, service manual. It includes information for the following models: **YZ125 / Yamaha Motor Corporation, Ltd** - Engine: 124 cc, reed valve two-stroke, single - Production year(s): 1989 .

Is this manual suitable for beginners?

Yes, this Yamaha manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Bike maintenance and repair.

What file format will I receive?

You will receive this manual as a ZIP file (37.26 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.

How quickly can I access the manual after purchase?

You'll receive instant access to your Yamaha Bike manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.

Can I print specific sections of the manual?

Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.

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Mark T.says...
This manual is a lifesaver! The detailed sections on engine disassembly and electrical troubleshooting were particularly helpful. The download process was seamless, and I received the link almost instantly. Great support as well!