1999 Yamaha YZ125L Owner's Service Manual
Complete operation, maintenance, and tuning guide for the Yamaha YZ125L. Includes troubleshooting, parts diagrams, and service data. PN YM-1999-YZ125L-001.
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Models Covered & Key Technical Specifications
Yamaha YZ125L (YM-1999-YZ125L-001) - 1999
Factory-Grade Operation, Maintenance & Tuning Manual | Integrated Compendium Dossier
- Certified Print Quality: 1200 dpi establishes the maximum print output Architecture.
- Designated Securement Values: For secure assembly, 38 Nm dictates the primary drive gear torque Standards.
- Defined Liquid Volume: For optimal performance, 1.00 L corresponds to the total coolant capacity Protocol.
- Key Primary Power Rating: 8.9-10.9 : 1 -- signifies the compression ratio Threshold.
- Primary Key Engine Type: The engine type requires Liquid cooled 2-stroke gasoline Logic.
- Baseline Working Temperature: Maximum ambient temperature reaches 30C Parameters.
Professional Workshop Service Manual & Technical Specifications
Yamaha YZ125L Service Manual: Yamaha YZ125L - Factory-Grade Operation, Maintenance & Tuning Manual (1999) Factory-Standards
Reference-Category: Motorcycle / Engine / Transmission Logic // Technical-Domain: Yamaha / YZ125L / 1999 Logic // Model-Portfolio: EN/US Service sections detail the comprehensive procedures for the Yamaha YZ125L.
Engine
Repair information is provided for the engine's internal components, including detailed steps for disassembly and reassembly. The document includes coverage of the transmission system, ensuring smooth gear changes and operational reliability.
Chassis
Brake system specifications are included for both front and rear brakes, ensuring optimal stopping power and control.
Electrical
Specifications and procedures for the electrical system, including ignition timing and component checks, are thoroughly documented.
Tuning
| Careful tuning procedures are outlined to help riders optimize their machine's performance for various conditions. Torque Context: Documents torque specifications for critical engine and chassis components to ensure service interval reliability. | Performance-Element | Rating | Validation-Data |
|---|---|---|---|
| Engine Mount Torque | 85 Nm | 61 ft-lb | |
| Primary Drive Gear Torque | 55 Nm | 40 ft-lb | |
| Front Fork Cap Bolt Torque | 29 Nm | 21 ft-lb | |
| Rear Shock Absorber Spring Preload | 245 mm | 260 mm | |
| Ignition Timing Setting | 0.52 mm | N/A | |
| Drive Chain Slack | 40 mm | 50 mm |
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