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Moto profi >> Manufacturers list >> Yamaha >> YFZ450X 2011
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Yamaha YFZ450X 2011

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TECHNICAL SPECIFICATION
Model ID
Manufacturer (Make)Yamaha
Model NameYFZ450X
Year2011
Category(class)ATV
Engine
Engine Capacity (Displacement)449 ccm (27.4 cubic inches)
Engine TypeSingle cylinder, four-stroke
Bore x StrokeØ95.0 mm x 63.4 mm (Ø3.74 inches x 2.5 inches)
Bore/Stroke Ratio1.5
Compression Ratio11.6:1
Valves per Cylinder5
Timing SystemDOHC
Fuel System(Carburetion)Injection. Yamaha Fuel Injection (YFI), 42mm
IgnitionDigital TCI: Transistor Controlled Ignition
Starter SystemElectric
Cooling SystemLiquid
Powertrain
ClutchDrive Train
Gearbox5 speed
Transmission (Final Drive)Chain
Chassis/Suspension/Brakes
Front SuspensionIndependent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.4-in travel
Rear SuspensionCast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel
Front BrakesDouble disc
Rear BrakesSingle disc
Front Tire21/7-10
Rear Tire20/10-9
Dimensions
Overall Length1796 mm (70.71 inches)
Overall Width1171 mm (46.1 inches)
Overall Height1064 mm (41.89 inches)
Seat Height810 mm (31.89 inches)
Wheelbase1270 mm (50 inches)
Ground Clearance114 mm (4.49 inches)
Curb Weight181.4 kg (400 lb)
Fuel Capacity 9.84 litres (2.6 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 >> YFZ450X 2011
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