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Moto profi >> Manufacturers list >> Yamaha >> YZ250 2011
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Yamaha YZ250 2011

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TECHNICAL SPECIFICATION
Model ID
Manufacturer (Make)Yamaha
Model NameYZ250
Year2011
Category(class)Motocross / Dirtbike
Engine
Engine Capacity (Displacement)249 ccm (15.19 cubic inches)
Engine TypeSingle cylinder, two-stroke
Bore x StrokeØ66.4 mm x 72.0 mm (Ø2.61 inches x 2.83 inches)
Bore/Stroke Ratio0.92
Compression Ratio8.9:1
Timing SystemDOHC
Fuel System(Carburetion)Carburettor. Keihin PWK38S
IgnitionCDI
Starter SystemElectric
Lubrication SystemDry sump
Cooling SystemLiquid
Powertrain
Gearbox5 speed
Transmission (Final Drive)Chain
Chassis/Suspension/Brakes
Frame TypeAluminium
Front SuspensionSpeed-Sensitive System inverted fork
Front Suspension Travel300 mm (11.81 inches)
Rear SuspensionFully adjustable single shock, 12.4-in travel
Front BrakesSingle disc
Front Brakes DiameterØ250 mm (Ø9.84 inches)
Rear BrakesSingle disc
Rear Brakes DiameterØ245 mm (Ø9.65 inches)
Front Tire80/100-M21
Rear Tire110/90-M19
Dimensions
Overall Length2177 mm (85.71 inches)
Overall Width828 mm (32.6 inches)
Overall Height1306 mm (51.42 inches)
Seat Height993 mm (39.09 inches)
Wheelbase1481 mm (58.31 inches)
Ground Clearance381 mm (15 inches)
Curb Weight103.0 kg (227 lb)
Fuel Capacity 7.95 litres (2.1 gallons)
Performance
Top Speed-
Acceleration (dart, speedup) time
  • 0-100 km/h
  • -
  • 0-60 mph
  • -
  • 1/4 mile
  • -
  • 60 to 140 km/h, highest gear
  • -

    Moto profi >> Manufacturers list >> Yamaha >> YZ250 2011
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