2000 Yamaha YZ250F(N)/LC Owner's Service Manual

2000 Yamaha YZ250F(N)/LC Ownership and Technical Reference

• Covers the 2000 Yamaha YZ250F(N) and YZ250FLC liquid-cooled 4-stroke motocross models for international markets including USA, Europe, Canada, Australia, New Zealand, and South Africa
• Official Yamaha publication P/N 5NL-28199-30, first edition dated September 2000
• Includes 64 pages of detailed specifications and maintenance reference tables for the 250cc DOHC engine, chassis, and electrical system
• Delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• Stored against your account so you can retrieve it after a hard-drive loss
• Full-text search finds any part number in seconds
• Suitable for printing individual sections for shop-floor use
• This first edition publication acts as the primary reference for the 2000 launch of the 5NL-series YZ250F platform, documenting specific factory settings for engine, electrical, and cooling configurations

Contents and Documentation Scope

The documentation provides an organized summary of critical information for the YZ series racing machines, including chapters on general information, chassis adjustments, and specialized tuning procedures. It details machine identification via VIN and engine serial number locations, along with comprehensive maintenance intervals and system descriptions for both the engine and suspension components.

Engine and Chassis Specifications

This reference contains extensive specification tables, including torque values for the 5NL1, 5NL2, and 5NL4 model codes. Primary technical depth includes piston-to-cylinder clearance (0.040–0.065 mm), valve clearance specs for cold engines (0.10–0.15 mm intake), and CDI magneto resistance thresholds for field testing. Cylinder head bolt torque values are documented in a multi-stage sequence, with standardized specifications provided for fasteners across the frame, suspension links, and cooling system. The manual also documents the FCR-MX37 carburetor settings, including standard jetting for various international regions. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. An official 2000 Yamaha OEM workshop manual covering the YZ250F(N)/LC, documenting engine, chassis, electrical, and fuel-injection specifications for the 5NL-series build.