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Moto profi >> Manufacturers list >> Yamaha >> BWs 12 inch 2007
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Yamaha BWs 12 inch 2007

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TECHNICAL SPECIFICATION
Model ID
Manufacturer (Make)Yamaha
Model NameBWs 12 inch
Year2007
Category(class)Scooter
Engine
Engine Capacity (Displacement)49 ccm (2.99 cubic inches)
Engine TypeSingle cylinder
Bore x StrokeØ40.0 mm x 39.2 mm (Ø1.57 inches x 1.54 inches)
Bore/Stroke Ratio1.02
Compression Ratio7.2:1
Stroke2
Fuel System(Carburetion)Carburettor. Gurtner PY-12
IgnitionCDI
Starter SystemElectric & kick
Lubrication SystemSeperate lubrification
Cooling SystemAir
Powertrain
ClutchAutomatic centrifugal
Transmission (Final Drive)Belt
Chassis/Suspension/Brakes
Front SuspensionHydraulic and telescopic fork
Rear SuspensionHydraulic unit swing
Front BrakesSingle disc
Front Brakes DiameterØ180 mm (Ø7.09 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brakes DiameterØ110 mm (Ø4.33 inches)
Front Tire120/70-12
Rear Tire130/70-12
Dimensions
Overall Length1685 mm (66.34 inches)
Overall Width675 mm (26.57 inches)
Overall Height1049 mm (41.3 inches)
Seat Height768 mm (30.24 inches)
Wheelbase1172 mm (46.14 inches)
Ground Clearance124 mm (4.88 inches)
Dry Weight75.0 kg (165 lb)
Fuel Capacity 5.30 litres (1.4 gallons)
Performance
Max Power3.21 HP (2.3 kW) at 6500 RPM
Max Torque3.60 Nm (2.65 ft*lbs) at 6000 RPM
Power/Weight Ratio0.04 Hp/Kg
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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