1986 Yamaha YZ80 Motorcycle Repair Manual
1986 YZ80 with repair procedures for engine, chassis, and electrical systems. Includes diagnostic flowcharts. Ref: 1RLR000
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Models Covered & Key Technical Specifications
1986 Yamaha YZ80 (1RLR000) -- 1986 Service Manual | Volume
- System Alignment Specs: 25 Nm (2.5 m•kg, 18 ft-lb) is specified as the torque for the cylinder head nuts. Requirements.
- Maximum Wattage Specs: 35 Nm (3.5 m•kg, 25 ft-lb) requires careful application for the magneto nut. Threshold.
- Measured Operating Temps: For optimal cooling system performance, 109.7 +/- 15 kPa (1.1 kg/cm², 16 psi) specifies the valve opening pressure. Mapping.
- Published Angular Speed: The engine speed for the ignition timing graph reaches 10 x 10^3 r/min. Configuration.
- Authorized Optical Resolution: 0.060 ~ 0.065 mm (0.0024 ~ 0.0026 in) defines the piston clearance. Benchmarks.
- Technical Play Limits: 0 ~ 1.0 mm (0 ~ 0.04 in) controls the standard swingarm side play. Range.
Professional Workshop Service Manual & Technical Specifications
Verified Shop Training Manual: Bike Yamaha YZ80 manual, 1986 Knowledge-Base
Component-Focus: 1986 Yamaha YZ80 manual // Architecture-Focus: Bike / Engine Logic // Component-Focus: engine, chassis, electrical details.
TOP
| Specification | Parameters | Logic |
|---|---|---|
| Model | YZ80 | Bike |
| Year | 1986 | Model |
| Manual Type | Repair Manual | Document |
Factory procedures are documented for:
Index
- General Information
- Regular Maintenance and Adjustment
- Engine Maintenance and Repair
- Chassis Maintenance and Repair
- Electrical Troubleshooting
This manual covers the intricate systems of the 1986 Yamaha YZ80 motorcycle. Detailed explanations and diagrams guide the user through maintenance and repair tasks. Correctly requiring proper functioning, the document details procedures for the engine, chassis, and electrical systems, ensuring optimal performance.
Engine Maintenance and Repair
This section delves into the core components of the YZ80 engine. It includes disassembly and assembly instructions for the cylinder head, cylinder, piston assembly, crankshaft, and cooling system. Diagnostic procedures for common issues are also provided.
Chassis Maintenance and Repair
Focusing on the bike's frame and running gear, this part of the manual documents procedures for wheel assemblies, sprockets, chain, front and rear brakes, front forks, steering head, rear shock, and swingarm. It includes inspection and adjustment guidelines.
Electrical Troubleshooting
This section provides a wiring diagram and troubleshooting guides for the ignition system. It covers testing of the CDI magneto, spark plug, and ignition coil, offering solutions for common electrical faults.
This manual documents torque specifications for engine and chassis components to ensure proper corrosion joint prevention.
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