2011 Yamaha BWs Naked. Image credits - Yamaha.
Yamaha's profilation of this bike
One of the BW´s most distinctive and noticeable features is its lighting system. In keeping with the unique and urban design flourishes seen across the scooter, the dual headlight is a bold shape, giving the front a particularly dynamic appearance.
General moped information
Motorcycle name
Yamaha BWs Naked
Year model
2011
Type
Scooter
Rating
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Engine and transmission
Engine size
49.2 ccm (3.00 cubic inches)
Type of engine
Single cylinder, two-stroke
Effect
3.2 HP (2.4 kW )) @ 6500 RPM
Torque
3.6 Nm (0.4 kgf-m or 2.7 ft.lbs) @ 6000 RPM
Compression
7.2:1
Bore x stroke
40.0 x 39.2 mm (1.6 x 1.5 inches)
Ignition
CDI
Lubrication system
Separate lubrication
Cooling system
Air
Gearbox
Automatic
Transmission type
Belt (final drive)
Driveline
V-belt automatic
Chassis, suspension, brakes and wheels
Frame type
Steel
Front suspension
Telescopic fork
Front wheel travel
70 mm (2.8 inches)
Rear suspension
Unit swing
Rear wheel travel
70 mm (2.8 inches)
Front tire
120/90-10
Rear tire
150/80-10
Front brakes
Single disc
Diameter
180 mm (7.1 inches)
Rear brakes
Expanding brake (drum brake)
Diameter
110 mm (4.3 inches)
Physical measures and capacities
Dry weight
77.0 kg (169.8 pounds)
Weight incl. oil, gas, etc
82.0 kg (180.8 pounds)
Power/weight ratio
0.0418 HP/kg
Seat height
768 mm (30.2 inches) If adjustable, lowest setting.
Overall height
1049 mm (41.3 inches)
Overall length
1685 mm (66.3 inches)
Overall width
675 mm (26.6 inches)
Ground clearance
124 mm (4.9 inches)
Wheelbase
1172 mm (46.1 inches)
Fuel capacity
5.30 litres (1.40 US gallons)
Other specifications
Color options
White, aluminum
Starter
Electric & kick
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Further information
Insurance costs Compare US insurance quotes from the nation's top providers. Maintenance Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. Ask questions Join the 11 Yamaha BWs Naked discussion group or the general Yamaha discussion group. Related bikes List related bikes for comparison of specs.
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