1989-2007 Yamaha YFA1 / YFM125 Breeze ATV Service Manual

This technical reference manual covers Yamaha YFA1 and YFM125 Breeze ATVs from 1989-2007, detailing engine, chassis, and electrical systems. P/N: 3FA-28197-10.

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Yamaha Models Covered & Key Technical Specifications

1989-2007 Yamaha YFA1 / YFM125 Breeze ATV Service Manual Technical reference spanning multiple model years for Yamaha YFA1 and YFM125 Breeze ATVs. This comprehensive archive details everything needed for maintenance and repair.

  • Established Heat Tolerance: The spark plug gap corresponds to 0.6–0.7 mm (0.024–0.028 in) for optimal ignition Matrix.
  • Specific Output Performance: For fuel delivery, 7.6 L (1.67 Imp gal, 2.01 US gal) indicates the primary tank reserve Standards.
  • Essential Mass Specs: Engine compression is configured at 9.0:1 pressure ratio Threshold.
  • Baseline Capacity Limits: Battery storage is designed for 12 V 12 Ah electrical supply Framework.
  • Integral Operating Temps: The engine idling speed requires 1,650–1,750 r/min for standard idle Protocol.
  • Specific Mass Specs: Cylinder displacement delivers 124–125 cm³ power generation Architecture.
Technical Specifications
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Document Number / Seller:
24873 / Deborah Peterson
File Size:
49.27 MB
File Type:
PDF
Language:
English
Pages:
309
Printable:
Yes
Category:
ATV
Last updated / verified
Jul 18, 2025

Yamaha Manual Features & Content Preview

Systematic Procedure Workshop Manual: Yamaha YFA1 / YFM125 Breeze ATV Service Manual Overhaul-Reference

Design-Core: Yamaha // System-Coverage: ATV / Breeze Logic // Design-Core: Service Manual.

This manual presents information on the following systems and procedures for your Yamaha YFA1/YFM125 Breeze ATV:

  • Inspection guidelines are provided for general specifications, maintenance specifications, engine, chassis, electrical components, and cable routing.
  • Alignment specifications are included for periodic checks and adjustments, covering seat, carriers, fenders, and electrical components like headlight adjustment and bulb replacement.
  • Reference data is included for electrical systems, including ignition, charging, lighting, and signal systems with detailed circuit diagrams and troubleshooting.
  • This manual covers specific procedures for signal system troubleshooting and wiring diagrams.
  • Diagnostic procedures are covered for the entire lighting system, including fuses, battery, main switch, and light switch.
Component Value Framework
Ignition System DC C.D.I. Diagrams Included
Fuel Tank Capacity 7.6 L Standard Capacity
Battery Type 12N12C-4A-2 Power Specification
Headlight Bulb Type Krypton Lighting Element
Starter Motor Output 0.4 kW Engine Component
Ground Lead To Frame Electrical Connection

TABLE OF CONTENTS SUMMARY:

  • General Specifications
  • Engine Maintenance Specifications
  • Ignition System Circuit Diagram
  • Lighting System Troubleshooting
  • Signal System Circuit Diagram

The manual documents torque specifications for various components to ensure proper cyclic stress resistance.

Manual FAQ, Purchase & Download Details

Which chapters contain the specification tables for engine components and chassis tightening torques? keyboard_arrow_down

Maintenance specifications sections within the document list engine component data and tightening torque tables for chassis elements.

Are there specific document identifiers or edition notes used to verify the publication information? keyboard_arrow_down

Document identifies itself as a 309-page reference manual for 1989-2007 Yamaha YFA1 and YFM125 Breeze ATVs. It includes an organization guide that defines how illustrated symbols and chapters are structured throughout the file.

Is the YFM125S wiring diagram included in the electrical chapters? keyboard_arrow_down

Electrical sections contain circuit diagrams for the ignition, charging, lighting, and signal systems, alongside the YFM125S wiring diagram.

What electrical reference information is included for the charging and starting systems? keyboard_arrow_down

Electrical sections list specifications for the charging system output, starter motor resistance, and relay coil values. It also includes fuse amperage ratings for the main circuit and provides exploded diagrams that detail component locations. Technical details such as battery capacity and coil resistance ranges are shown in the maintenance tables.

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