2000-2002 Yamaha WR400F(M) Service Manual

Technical Scope and Service Data for the 2000–2002 Yamaha WR400F

• Covers 2000–2002 Yamaha WR400F, WR400FM, and WR400F(M) racing motorcycles for USA, Europe, Canada, and Oceania markets
• Official Yamaha publication P/N 5GS-28199-30, 1st Edition dated November 1999
• Contains 87 pages of technical reference including lubrication diagrams, cable routing charts, and extensive torque specification tables
• File link appears in your order confirmation straight away
• Suitable for printing individual sections for shop-floor use
• This 1st edition factory publication is the primary reference document for the 2000–2002 WR400F series, featuring specialized tuning data for engine and chassis maintenance across multiple global model variants

Document Structure and Coverage

The 2000–2002 Yamaha WR400F service manual is organized into seven distinct technical chapters. Initial sections establish vehicle identification, control functions, and critical preparation for disassembly. The middle chapters detail the engine and chassis maintenance, covering components from the cylinder head and piston assemblies to the steering, suspension, and braking systems. The manual concludes with comprehensive electrical system diagrams and a dedicated tuning reference section.

Specification Highlights

Engine specifications for the 2000–2002 Yamaha WR400F document a liquid-cooled 4-stroke, DOHC configuration with a 399 cm³ displacement. The lubrication system is a dry-sump design documented with detailed flow charts. Cylinder head warp limits are specified at 0.05 mm in the maintenance reference table. Valve clearance for the intake is listed at 0.15–0.20 mm in the engine specification tables. The 2000–2002 Yamaha WR400F fuel system utilizes a KEIHIN FCR-MX39 carburetor with a 12-liter tank capacity. Engine oil drain bolt torque for the crankcase is specified at 20 Nm in the general maintenance section.

Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official Yamaha OEM service publication covering the 2000–2002 Yamaha WR400F series, documenting engine, chassis, electrical, and carburetor specifications for the 5GS model-code build.