2000-2002 Yamaha YZ426F / YZ426F(M) / YZ426F/LC / YZ426F(M)/LC Service Manual

Complete service and owner's manual for the Yamaha YZ426F series from 2000-2002. Covers all maintenance, troubleshooting, and specifications. Part # 5JG-28199-80.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Yamaha Models Covered & Key Technical Specifications

Models: YZ426F, YZ426FLC, YZ426FM
Sub-models / Variants: YZ426F(M)/LC
Trade Names: YZ426F
Build Years: 2000–2002
Serial Numbers: 5JG1, 5JG2, 5JG4
Technical Data:

  • Engine type: Liquid cooled 4-stroke, DOHC
  • Displacement: 426 cm3
  • Bore x stroke: 95.0 x 60.1 mm
  • Compression ratio: 12.5:1
  • Transmission: Constant mesh, 5-speed
  • Engine idle speed: 1700–1900 r/min
  • Coolant capacity: 1.2 liters
  • Engine oil capacity (with filter replacement): 1.6 liters
  • Ignition system: CDI magneto
Technical Specifications
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Document Number / Seller:
24256 / Stephanie Diaz
File Size:
70.47 MB
File Type:
ZIP
Language:
English, German, France, multi-language
Printable:
Yes
Category:
Bike
Last updated / verified
Jan 18, 2025

Yamaha Manual Features & Content Preview

2000–2002 Yamaha YZ426F Maintenance Coverage

  • Covers 2000–2002 Yamaha YZ426F, YZ426FLC, and YZ426FM models, including the YZ426F(M)/LC variant for US, European, and Australian markets
  • Official Yamaha publication P/N 5JG-28199-80, first edition September 1999
  • Contains 100 pages of technical specifications, maintenance intervals, exploded diagrams, and wiring schematics
  • File link appears in your order confirmation straight away
  • Suitable for printing individual sections for shop-floor use
  • This 1999 first edition serves as the original OEM factory reference for the 2000–2002 YZ426F production run

Document Scope and Technical Highlights

The 2000–2002 Yamaha YZ426F manual provides complete technical documentation for the liquid-cooled 4-stroke DOHC engine and associated chassis components. Chapters detail inspection and adjustment routines for the carburetor, valve train, transmission, and suspension systems, utilizing exploded-view diagrams for clarity.

Engine and Chassis Specifications

Engine oil capacity with filter replacement is documented at 1.6 L. The standard intake valve clearance is listed at 0.15–0.20 mm in the maintenance specification tables. The ignition system uses a CDI magneto with source coil resistance ranging between 720–1080 ohms for source coil 1. Final torque values are provided for every major assembly, including the engine mounting and wheel axle securement points. This 100-page official Yamaha factory manual serves as the primary technical reference for the 2000–2002 Yamaha YZ426F, documenting comprehensive engine, chassis, and electrical specifications for the 5JG-series build.

Manual FAQ, Purchase & Download Details

Does the document include specification tables that list general torque values and maintenance parameters? keyboard_arrow_down

Chapter 2 of this manual contains dedicated sections for maintenance specifications and general torque tables. These sections provide the technical data categories required for standard reference throughout the machine.

What electrical system references are available in the manual for the YZ426F model series? keyboard_arrow_down

Manual includes a dedicated electrical chapter that covers system components, wiring references, and electrical specification tables.

Which specific YZ426F variants and model years are included in this service manual? keyboard_arrow_down

Publication covers the Yamaha YZ426F, YZ426F(M), and YZ426F(M)/LC model variants. The document is identified as the 2002-02 edition and references coverage for the 2000 through 2002 model years. Please review the provided model list to confirm your specific bike configuration.

Can I view component breakdown diagrams and exploded views for assembly sections in the manual? keyboard_arrow_down

Manual includes numerous exploded diagrams at the start of disassembly and removal sections to help identify parts and their relative positions.

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