Yamaha BWs 2011 Specs and Photos
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Yamaha BWs 2011

Yamaha BWs 2011 photo
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TECHNICAL SPECIFICATION
Model ID
Manufacturer (Make)Yamaha
Model NameBWs
Year2011
Category(class)Scooter
Engine
Engine Capacity (Displacement)49 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, two-stroke
Bore x StrokeØ40.0 mm x 39.2 mm (Ø1.57 inches x 1.54 inches)
Bore/Stroke Ratio1.02
Compression Ratio7.2:1
Timing SystemSOHC
Fuel System(Carburetion)Carburettor
IgnitionCDI
Starter SystemElectric & kick
Lubrication SystemSeparate lubrication
Cooling SystemAir
Powertrain
Transmission (Final Drive)Belt
Chassis/Suspension/Brakes
Frame TypeSteel
Front SuspensionTelescopic fork
Front Suspension Travel70 mm (2.76 inches)
Rear SuspensionUnit swing
Rear Suspension Travel70 mm (2.76 inches)
Front BrakesSingle disc
Front Brakes DiameterØ180 mm (Ø7.09 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brakes DiameterØ110 mm (Ø4.33 inches)
Front Tire120/90-10
Rear Tire150/80-10
Dimensions
Overall Length1685 mm (66.34 inches)
Overall Height1049 mm (41.3 inches)
Seat Height768 mm (30.24 inches)
Wheelbase1172 mm (46.14 inches)
Ground Clearance124 mm (4.88 inches)
Curb Weight82.0 kg (181 lb)
Fuel Capacity 5.30 litres (1.4 gallons)
Performance
Max Power3.22 HP (2.4 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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