2008 Yamaha YZ250F(X) Service Manual
Complete service documentation for the 2008 Yamaha YZ250F(X) motorcycle. Covers maintenance, inspection, and repair procedures. Part Number: 5XC-28199-34
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Yamaha Models Covered & Key Technical Specifications
Models: Yamaha YZ250F(X)
Sub-models / Variants: USA, CDN, AUS, NZ, ZA, EUROPE
Build Years: 2008
Technical Data:
- Engine: Liquid-cooled 4-stroke, DOHC, single cylinder, forward inclined
- Displacement: 249 cm3
- Compression ratio: 13.5:1
- Starting system: Kickstarter
- Transmission: Constant mesh, 5-speed
- Carburetor: KEIHIN FCR-MX37
- Engine idling speed: 1,900–2,100 r/min
- Spark plug gap: 0.7–0.8 mm (0.028–0.031 in)
- Coolant capacity: 0.99 L (1.05 US qt)
- Front wheel travel: 300 mm (11.8 in)
Yamaha Manual Features & Content Preview
2008 Yamaha YZ250F(X) Service Manual
- Covers 2008 Yamaha YZ250F(X) motocross competition machines, documenting technical specifications for USA, Canadian, Australian, New Zealand, South African, and European market variants
- Original OEM publication 5XC-28199-34, 1st Edition published April 2007
- Contains 50+ exploded-view assembly diagrams and complete torque specification tables for engine and chassis maintenance
- Delivers 776 pages of factory-authorized technical documentation
- No shipping wait — the PDF is available immediately after purchase
- Indexed PDF search covers every chapter and appendix
- This 2007 first edition is the reference used for the 2008 YZ250F(X) launch build, providing the baseline settings for the 5XC-series engine and chassis configurations
Technical Scope and Documentation
The 2008 Yamaha YZ250F(X) service manual provides a structured breakdown of the bike's mechanical systems, starting with general identification and special tool requirements. The content progresses through a series of dedicated chapters covering regular inspection and adjustment protocols, detailed engine maintenance, chassis servicing, electrical system schematics, and performance tuning parameters.
Specification Highlights
This manual includes comprehensive technical data for maintenance, such as cylinder head warp limits and camshaft runout values. Coolant capacity is documented at 0.99 L for standard system fills. Camshaft shaft-to-cap clearance is specified at 0.028–0.062 mm in the cylinder head specification table. Piston-to-cylinder clearance for the 2008 Yamaha YZ250F(X) is documented at 0.030–0.055 mm. The Keihin FCR-MX37 carburetor main jet is listed as #178 for standard performance tuning. what an OEM service publication covers
Reference only — always consult a certified technician before performing service on this equipment. An official 776-page Yamaha OEM workshop manual covering the 2008 YZ250F(X), documenting engine, chassis, electrical, and carburetor specifications for the 5XC-series build.
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