2010 Yamaha YZ250F(Z) Owner's Service Manual
This manual covers diagnostics, service, and parts for the 2010 YZ250F(Z). Documents paper handling and control panel diagnostics, PN 17D-28199-30-E0.
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Sample pages from the 2010 Yamaha YZ250F(Z) Owner's Service Manual manual
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Yamaha Models Covered & Key Technical Specifications
Models: Yamaha YZ250F(Z)
Build Years: 2010
Technical Data:
- Engine displacement: 250 cm3 (8.80 Imp oz, 8.45 US oz)
- Engine type: Liquid cooled 4-stroke, DOHC
- Cylinder arrangement: Single cylinder, forward inclined
- Compression ratio: 13.5:1
- Transmission: Constant mesh, 5-speed
- Front fork travel: 300 mm (11.8 in)
- Rear brake type: Single disc brake
- Tire pressure: 100 kPa (1.0 kgf/cm2, 15 psi)
- Ignition system: CDI magneto
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Technical Overview of the 2010 Yamaha YZ250F(Z)
- Built for competitive use on closed courses, this 2010 Yamaha YZ250F(Z) reference provides factory-standard maintenance and adjustment data
- Official Yamaha publication P/N 17D-28199-30-E0, first edition May 2009
- Contains 196 pages of technical specifications, torque values, maintenance schedules, and detailed cable routing diagrams
- Cross-reference lookup works via the built-in search
- Laid out for standard letter and A4 printing
- This 1st edition is the primary reference for the 17D-series build, detailing the DOHC liquid-cooled 4-stroke architecture and Keihin FCR-MX37 fuel delivery settings
Component Documentation
The 2010 Yamaha YZ250F(Z) service manual details the operational and maintenance requirements for the engine, chassis, and electrical systems. It outlines the periodic inspection intervals, including race-hour requirements for internal engine components such as the piston, rings, and valves. The content covers the disassembly and inspection of the top end, including cylinder head warpage limits, valve seat width specifications, and camshaft runout limits. Additionally, it provides specific guidance for the chassis, including the link-type monocross rear suspension, brake system bleeding, and drive chain adjustment.
Specification Highlights
The technical data section provides critical reference values for engine assembly and chassis tuning. Cylinder head bolt torque is documented at 38 Nm (27 ft-lb) in the assembly data, while the intake valve clearance is specified at 0.12–0.17 mm. The front fork oil capacity is listed at 541 cm3 per fork for standard configuration. Spark plug gap settings are listed at 0.7–0.8 mm for the NGK CR8E unit. The 2010 Yamaha YZ250F(Z) uses a dry sump lubrication system with a total oil capacity of 1.20 liters including filter replacement.
Note: 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.
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