2001 Yamaha YZ80/YZ80LW Service Manual
Covers the YZ80(N)/LC and YZ80LW(N) models, providing detailed diagrams, specifications, and repair sequences for engine, chassis, and electrical systems. Includes part numbers for quick reference. Ref: 4ES-28199-88
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Models Covered & Key Technical Specifications
In-Depth Installation Manual: Motorbike Yamaha YZ80/YZ80LW 2001 Motocross Bike Owner's Service Manual (534 P.) Reference-Archive
Technical Service Sourcebook | YZ80 Series Service Digest.
- Calibrated Assembly Gap: 82.9 cm³ (2.92 Imp oz, 2.80 US oz) is specified as the engine cylinder displacement Standards.
- System Load Capacity: For optimal operation, 47.0 × 47.8 mm (1.850 × 1.882 in) defines the piston bore x stroke Architecture.
- Published Thermal Envelope: For optimal operation, 8.2:1 defines the cylinder head combustion chamber pressure Protocol.
- Authorized Size Parameters: The formatter board requires 5 L (1.10 Imp gal, 1.32 US gal) for standard operation Logic.
- Core Fastening Values: 0.5–0.6 mm (0.020–0.024 in) establishes the ignition electrode spacing Margin.
- Standard Running Clearance: For optimal operation, 35 – 45 mm (1.4 – 1.8 in) defines the chain slack Norms.
Professional Workshop Service Manual & Technical Specifications
In-Depth Installation Manual: Motorbike Yamaha YZ80/YZ80LW 2001 Motocross Bike Owner's Service Manual (534 P.) Reference-Archive
Architecture-Focus: 2001 Yamaha YZ80/YZ80LW // Model-Specs: Motocross Bike / Engine Logic // Diagnostic-Area: 534 P. Reference-Archive
| Specification | Baseline | Logic |
|---|---|---|
| Model Name | YZ80, YZ80LW | Technical Data |
| Engine Displacement | 82.9 cm³ | Specifications |
| Fuel Capacity | 5 L | Engine Parameters |
| Compression Ratio | 8.2:1 | Specifications |
| Front Tire Size | 70/100-17 40M | Chassis Spec |
| Rear Tire Size | 90/100-14 49M | Chassis Spec |
Technical units are distributed across numerous sections covering the intricacies of your 2001 Yamaha YZ80/YZ80LW. This manual details every aspect from initial setup to advanced maintenance.
Disassembly instructions are documented for various systems, including engine, chassis, and electrical components, providing clear visual aids.
Wear limits are specified for critical engine parts like pistons, cylinders, and crankshafts, ensuring longevity and performance.
System operation descriptions cover the function and maintenance of the carburetor, transmission, brakes, and suspension.
The documentation addresses electrical system components, ignition timing, and wiring diagrams for troubleshooting and repair.
Assembly instructions are detailed for all major components, ensuring correct reassembly and optimal function after repairs.
This manual details torque specifications for engine and chassis fasteners to ensure proper mating surface contact.
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