2001 Yamaha YZ250F(P)/LC Service Manual • P/N 5SG-28199-30, edition August 2001
Yamaha Models Covered & Key Technical Specifications
Models: Yamaha YZ250F(P)/LC
Sub-models / Variants: USA, Europe, Canada, Australia, New Zealand, ZA (South Africa), France
Model Years: 2001
Serial Numbers: 5SG1 (USA), 5SG2 (Europe), 5SG4 (Canada, Australia, New Zealand, ZA)
Technical Data:
- Engine: Liquid-cooled 4-stroke, DOHC, single-cylinder
- Displacement: 249 cm3
- Bore × Stroke: 77.0 × 53.6 mm
- Compression Ratio: 12.5:1
- Lubrication System: Dry sump
- Fuel System: KEIHIN FCR-MX37 carburetor
- Transmission: Constant mesh, 5-speed
- Final Drive: Chain drive, 48/13 ratio
- Suspension (Front): Telescopic fork
- Suspension (Rear): Swingarm (link-type monocross)
Yamaha Manual Features & Content Preview
2001 Yamaha YZ250F(P)/LC Owner's Service Manual
Designed for professional mechanics and experienced do-it-yourselfers, this official Yamaha publication streamlines diagnostics and repair planning on the shop floor.
- Covers the 2001 Yamaha YZ250F(P)/LC competition motocross machine, including global 5SG-series variants for the USA, Europe, Canada, Australia, New Zealand, and South Africa.
- Official Yamaha publication 5SG-28199-30 (August 2001 first edition).
- Provides 666 pages of technical specifications, maintenance intervals, and exploded-view part diagrams.
- Delivered as an instant download directly to your device the moment payment clears.
- High-resolution digital format ensures exploded-view details remain crisp for accurate part identification when repairing the engine or chassis.
- Contains comprehensive torque-check points across the frame, powertrain, suspension, and brake systems.
- Serves as the foundational reference for the 2001 launch, documenting specific setup parameters for the initial four-stroke production run.
Inside the Technical Documentation
This factory publication delivers an exhaustive breakdown of the 250cc platform. It is structured into seven distinct chapters covering general information, specifications, periodic maintenance, engine overhaul, chassis geometry, electrical system diagnostics, and racing-specific fine-tuning.
Technicians gain access to deep-dive sections on top-end inspections, precise carburetor tuning for the FCR-MX37, and advanced chassis adjustments. The document extensively details internal clearances, wear limits, and critical component tolerances necessary for keeping the motorcycle at peak competitive performance.
Essential Reference Specifications
Detailed data tables provide the essential baseline values required for professional workshop maintenance. For instance, engine oil capacity is set at 1.5 liters for standard changes and 1.6 liters when replacing the filter. The engine maintenance charts specify a strict cylinder head warp limit of 0.05 mm, while valve charts list the intake valve clearance at 0.10–0.15 mm. Additionally, the link-type monocross suspension setup requires a rear shock absorber travel of 132 mm.
Competition motocross machines operate under extreme stress, making precise maintenance a matter of personal safety. Always verify baseline specifications against the full OEM data before applying torque or altering factory geometries to prevent mechanical failure on the track.
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