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Moto profi >> Manufacturers list >> Yamaha >> Big Bear 400 4x4 IRS 2010
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Yamaha Big Bear 400 4x4 IRS 2010

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TECHNICAL SPECIFICATION
Model ID
Manufacturer (Make)Yamaha
Model NameBig Bear 400 4x4 IRS
Year2010
Category(class)ATV
Engine
Engine Capacity (Displacement)421 ccm (25.69 cubic inches)
Engine TypeSingle cylinder, four-stroke
Bore x StrokeØ83.0 mm x 71.5 mm (Ø3.27 inches x 2.81 inches)
Bore/Stroke Ratio1.16
Compression Ratio8.6:1
Timing SystemSOHC
Fuel System(Carburetion)Carburettor. Mikuni 33mm BSR
Starter SystemElectric
Cooling SystemOil & air
Powertrain
Gearbox5 speed
Chassis/Suspension/Brakes
Front SuspensionIndependent double wishbone
Front Suspension Travel147 mm (5.79 inches)
Rear SuspensionIndependent double wishbone
Rear Suspension Travel193 mm (7.6 inches)
Front BrakesDouble disc
Rear BrakesDouble disc
Front Tire25/8-AT12
Rear Tire25/10-AT12
Dimensions
Overall Length2017 mm (79.41 inches)
Overall Width1115 mm (43.9 inches)
Overall Height1186 mm (46.69 inches)
Seat Height894 mm (35.2 inches)
Wheelbase1229 mm (48.39 inches)
Ground Clearance267 mm (10.51 inches)
Curb Weight284.9 kg (628 lb)
Fuel Capacity 15.14 litres (4 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
  • -

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    Yamaha Big Bear 400 4x4 IRS 2009
    Yamaha Big Bear 400 4x4 IRS 2010