2000-2002 Yamaha YZ426F / YZ426F(M) / YZ426F/LC / YZ426F(M)/LC Service Manual
Complete service and owner's manual for the Yamaha YZ426F series from 2000-2002. Covers all maintenance, troubleshooting, and specifications. Part # 5JG-28199-80.
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Sample pages from the 2000-2002 Yamaha YZ426F / YZ426F(M) / YZ426F/LC / YZ426F(M)/LC Service Manual manual
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Models Covered & Key Technical Specifications
Systematic Troubleshooting Operator's Manual: Yamaha YZ426F(M)/LC), 2002-02 edition Electrical-Reference
Genuine Manual for Yamaha YZ426F(M)/LC), 2002-02 edition | Yamaha Motor Corporation, Ltd Folder.
- Verified Fastener Specs: 18 Nm corresponds to the specified torque for the pad pin Matrix.
- Key Reservoir Specs: For optimal operation, 1.6 L defines the engine oil capacity when replacing the filter Standards.
- Principal Spacing Data: 0.75 mm -- signifies the maximum allowable wear on the intake valve margin Protocol.
- Advanced Electrical Load: The ignition system utilizes a CDI magneto for reliable spark generation Architecture.
- Defined Production Rate: The engine idle speed dictates 1700-1900 RPM Parameters.
- General Securement Values: 6 Nm is the torque value required for the bleed screw Norms.
Professional Workshop Service Manual & Technical Specifications
Systematic Troubleshooting Operator's Manual: Yamaha YZ426F(M)/LC), 2002-02 edition Electrical-Reference
Technical-Scope: Genuine Manual for Yamaha YZ426F(M)/LC), 2002-02 edition // Product-Line: Yamaha // Technical-Scope: Electrical-Reference Logic.
| Performance-Element | System-Path | Calibration-Standards |
|---|---|---|
| Engine Oil | Lubrication System | SAE 20W40 SH or SAE 10W30 SH |
| Valve Clearance (Intake) | Valve Train | 0.15 ~ 0.20 mm |
| Valve Clearance (Exhaust) | Valve Train | 0.25 ~ 0.30 mm |
| Throttle Grip Free Play | Control System | 3 ~ 5 mm |
| Brake Lever Position | Control System | 82.5 mm |
| Bleed Screw Torque | Brake System | 6 Nm |
The documentation provides guidance on the internal systems and procedures for the Yamaha YZ426F motocross bike, covering all key components and maintenance schedules. This manual is essential for any owner or technician needing to perform routine checks, adjustments, and repairs on these models.
Drivetrain specifications are addressed in Chapter 5, detailing the wheel, chain, and suspension systems for optimal performance and longevity.
Reassembly procedures are specified for various engine and chassis components, ensuring correct installation and function.
Service intervals are documented for all major maintenance tasks, including oil changes, filter replacements, and brake system checks.
Component locations are identified for key parts such as the engine, carburetor, and electrical system, aiding in quick diagnostics and repairs.
Service procedures are documented for tasks ranging from basic cleaning to complex engine overhauls, providing clear, step-by-step instructions.
This manual documents torque specifications for critical fasteners to ensure proper pressure and prevent component failure during operation.
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