2015 Yamaha BWs Naked. Image credits - Yamaha.
Yamaha's profilation of this bike
All of the fun of the original BW’s, but with everything else stripped right back.
General moped information
Model
Yamaha BWs Naked
Year of manufacture
2015
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
Output
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)
Fuel system
Carburettor. Gurtner
Ignition
CDI
Lubrication system
Separate lubrication
Cooling system
Air
Gearbox
Automatic
Transmission type
Belt (final drive)
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)
Seat
Dual seat
Physical measures and capacities
Dry weight
82.0 kg (180.8 pounds)
Power/weight ratio
0.0393 HP/kg
Seat height
768 mm (30.2 inches) If adjustable, lowest setting.
Overall height
1070 mm (42.1 inches)
Overall length
1685 mm (66.3 inches)
Overall width
690 mm (27.2 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
Red, grey
Starter
Electric & kick
Light
Twin headlights
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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 15 Yamaha BWs Naked discussion group or the general Yamaha discussion group. Related bikes List related bikes for comparison of specs.
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Technical issues with this bike
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