1999 Yamaha YZ250(L)/LC Service Manual
Diagnostic procedures and component service for Yamaha YZ250(L)/LC models. Publication 5CU-28199-30 covers inspection, basic maintenance and tuning.
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Models Covered & Key Technical Specifications
Yamaha YZ250(L)/LC (1999) Owner's Service Manual
Diagnostic procedures and component service for Yamaha YZ250(L)/LC models. Publication 5CU-28199-30 covers inspection, basic maintenance and tuning.
- Designated Displacement Data: 249 cm³ is the displacement of the engine system.
- Primary Running Clearance: For optimal operation, 0.045-0.050 mm establishes the piston clearance Framework.
- Advanced Output Rating: 8.8-10.3:1 -- signifies the compression ratio Threshold.
- Defined Processing Speed: The starting system requires a kick starter for operation Logic.
- Key Resolution Data: Wet type element is used for the air filter system.
- Essential System Fill: 8.0 L (2.11 US gal) is the fuel tank capacity Requirements.
Professional Workshop Service Manual & Technical Specifications
Definitive Performance Safety Manual: Yamaha YZ250(L)/LC Manual (1999) - Precision Maintenance & Tuning Handbook Powertrain-Manual
Subsystem-Focus: Engine / Technical-Domain: Drivetrain Logic / Series-Validation: 1999 Professionally establishing engine, chassis, and electrical system procedures for the Yamaha YZ250(L)/LC.
The manual presents information on:
- General Information and Specifications
- Regular Inspection and Adjustments
- Engine Systems and Components
- Chassis Components and Maintenance
- Electrical System Diagrams and Troubleshooting
Middle
| Specification | Operational-Logic | Logic |
|---|---|---|
| Engine Type | Liquid cooled 2-stroke | Gasoline |
| Bore x Stroke | 66.4 x 72 mm | mm |
| Compression Ratio | 8.8-10.3:1 | Ratio |
| Starting System | Kick starter | System |
| Lubrication System | Premix (30:1) | Oil |
| Transmission Type | Constant mesh, 5-speed | Gears |
| Front Fork Travel | 300 mm | mm |
| Rear Shock Absorber | Coil spring/Gas, oil damper | Damper |
| Brake Fluid Type | DOT #4 | Fluid |
| Front Brake Type | Single disc brake | Brake |
| Rear Brake Type | Single disc brake | Brake |
| Ignition System | CDI magneto | System |
This structured manual provides detailed procedures for disassembly, repair, and assembly, ensuring all components are correctly maintained for optimal performance and service interval reliability.
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