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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Sample pages from the 1989-2007 Yamaha YFA1 / YFM125 Breeze ATV Service Manual manual
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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.
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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.
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