2002 Yamaha YZ250(P)/LC Owner's Service Manual

Provides detailed service procedures for the Yamaha YZ250(P)/LC. Covers engine, chassis, and electrical systems. Publication 5NX-28199-30.

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Document Details

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Document Number / Seller:
24734 / Jerry Collins
File Size:
10.90 MB
File Type:
ZIP
Language:
English, French, German, Spanish
Printable:
Yes
Category:
Bike
Last updated / verified
Dec 26, 2025

Models Covered & Key Technical Specifications

2002 Yamaha YZ250(P)/LC Owner's Service Manual Comprehensive service manual for the Yamaha YZ250(P)/LC motocross bike | Competition Motocross Bike.

  • Factory Specified Torque Values: Adhering to 75 Nm torque specifications ensures proper assembly.
  • Certified Component Specifications: The primary reduction system utilizes a Gear configuration for optimal performance.
  • Engineered Durability Benchmarks: Clutch spring free length is designed for 44.0 mm, with a service limit of 42.0 mm.
  • Verified Material Ratings: Piston pins are specified with an outside diameter of 17.995~18.000 mm for reliable operation.
  • Designated Operational Parameters: The compression ratio is set at 9.1~10.6 : 1 for efficient power delivery.
  • Integral Maintenance Guidelines: Following the specified maintenance intervals ensures the longevity of the machine.

Manual Description & Preview

Yamaha YZ250(P)/LC Owner's Service Manual: 2002 Calibration-Manual

Operational-Framework: YZ250(P)/LC / Yamaha Motor Corporation, Ltd // Asset-ID: 2002 / Bike // Operational-Framework: Motocross Competition.

Technical Operations Repair Manual: Bike Yamaha YZ250(P)/LC Owner's Service Manual Competition Motocross Bike (2002) Calibration-Manual

Service-Nexus Baseline Calibration-Data
Engine Specifications 249 cm³ 66.4 × 72 mm
Chassis Specifications Telescopic fork Semi double cradle
Electrical System CDI magneto N/A
Maintenance Schedule Regular Intervals Troubleshooting Guide
Torque Specifications Engine Bolts Chassis Bolts

Cataloging major assemblies into distinct chapters, this manual provides an in-depth look at the YZ250(P)/LC.

Service intervals are documented for all major components, ensuring timely upkeep.

Component locations are identified clearly within the diagrams for easy reference.

Service procedures are documented step-by-step for efficient and accurate repairs.

Calibration requirements are specified for all critical systems to maintain optimal performance.

Electrical system documentation covers wiring diagrams and component testing.

Properly requiring adherence to the "MAINTENANCE SPECIFICATIONS" section ensures the correct torque is applied during assembly, preventing premature wear.

FAQ

Reference the **specified** clutch lever free play? keyboard_arrow_down

8~13 mm (0.31~0.51 in) is the specified clutch lever free play for the Yamaha YZ250(P)/LC.

What are the **essential** torque specifications for the front brake caliper? keyboard_arrow_down

23 Nm (2.3 m•kg, 17 ft•lb) is the specified torque for the front brake caliper to frame connection.

Specify the **correct** piston ring end gap? keyboard_arrow_down

0.40~0.55 mm (0.016~0.022 in) is the correct piston ring end gap for the primary ring, with a limit of 0.95 mm (0.037 in).

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