Across 9 covered model years from 2006 to 2016, the Yamaha BWs Naked motorcycle has supplied wet/running weights ranging from 180.8 lb (82 kg) and dry weights ranging from 165.3 lb (75 kg) to 180.8 lb (82 kg), depending on model year.
Yamaha BWs Naked weight overview
Its low overall mass should be most noticeable off the throttle: moving it by hand, backing out of a parking space and managing stop-start riding should take less effort than on a heavy road bike.
Very Light Motorcycle
How heavy is the Yamaha BWs Naked?
wet weight
Using a model-level wet weight comparison, the Yamaha BWs Naked is lighter than about 90.3% of 129 Yamaha scooters with compatible weight data.
Dry vs ready-to-ride weight
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Yamaha BWs Naked weight & related specs
| Model years covered | 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2015, 2016 |
|---|---|
| Wet / running weight | 180.8 lb (82 kg) |
| Dry weight | 165.3 lb (75 kg) to 180.8 lb (82 kg) |
| Engine displacement | 49 cc to 49.2 cc |
| Power | 3.2 hp |
| Torque | 2.7 lb-ft (3.6 Nm) |
| Fuel capacity | 1.4 US gal (5.3 L) |
| Full-tank fuel weight (estimated) | 8.7 lb (3.9 kg) |
Weight changes by model year
The 2006 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Horsepower per 100 lb | 1.77 hp / 100 lb |
|---|---|
| Pounds per horsepower | 56.49 lb / hp |
| Torque per 100 lb | 1.47 lb-ft / 100 lb to 1.61 lb-ft / 100 lb |
| Displacement per pound | 0.27 cc / lb to 0.3 cc / lb |
| Weight per 100 cc | 336.1 lb / 100 cc to 367.4 lb / 100 cc |
| Fuel weight as % of bike weight | 4.8% to 5.3% |
| Weight with full tank | 174.1 lb (78.9 kg) to 189.5 lb (85.9 kg) |
What the weight numbers tell you
Yamaha BWs Naked weight FAQ
What is the Yamaha BWs Naked dry and wet weight?
Across the covered 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2015, 2016 years, listed wet/running weight is 180.8 lb (82 kg) and listed dry weight is 165.3 lb (75 kg) to 180.8 lb (82 kg). Check the year-change section because the exact figure can vary by model year.
Is the Yamaha BWs Naked lighter or heavier than other Yamaha scooters?
It is comparatively light for this Yamaha category. The model lands near the 10th percentile for weight in the compatible dataset.
Which Yamaha BWs Naked years have different weight specs?
The supplied data shows different weight figures across the 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2015, 2016 model years. Use the year-specific changes section above for the exact value attached to each changed year.
How much does a full tank add to the Yamaha BWs Naked?
Based on the supplied 1.4 US gal (5.3 L) tank capacity, the gasoline itself weighs about 8.7 lb (3.9 kg) when full. This helps explain part of the difference between dry and ready-to-ride mass.
What is the combined Yamaha BWs Naked and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 360.8 lb (163.6 kg) before riding gear, luggage or a passenger.
What is the Yamaha BWs Naked power-to-weight ratio?
Available model-year data produces 1.77 hp per 100 lb. It shows engine output relative to motorcycle mass rather than just quoting peak horsepower. That places it around the 14th percentile within the compatible Yamaha scooter power-to-weight comparison.
What is the estimated Yamaha BWs Naked weight with a full tank of gas?
Filling the listed tank brings the calculated bike weight to roughly 174.1 lb (78.9 kg) to 189.5 lb (85.9 kg). This estimate is most useful when no official wet/running figure is available.
How much weight do fuel and fluids add to the Yamaha BWs Naked?
Where both figures are available, the listed wet-versus-dry difference is about 11 lb (5 kg). That gap reflects fuel and operating fluids, plus any differences in how the source defines dry and running weight.
How much of the Yamaha BWs Naked total weight comes from fuel?
The calculated full-tank fuel mass is about 4.8% to 5.3% of the bike’s listed weight. This helps show why a dry-weight number can understate what you actually manage on the road.
Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Yamaha Motorsports website.