Across 7 covered model years from 2006 to 2012, the Yamaha BWs motorcycle has supplied wet/running weights ranging from 180.8 lb (82 kg) and dry weights ranging from 165.3 lb (75 kg), depending on model year.
Yamaha BWs weight overview
This sits at the very light end of motorcycle mass, which is especially useful when the bike has to be moved around by hand or held on uneven ground.
Very Light Motorcycle
How heavy is the Yamaha BWs?
wet weight
Using a model-level wet weight comparison, the Yamaha BWs 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 weight & related specs
| Model years covered | 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
|---|---|
| Wet / running weight | 180.8 lb (82 kg) |
| Dry weight | 165.3 lb (75 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 to 1.94 hp / 100 lb |
|---|---|
| Pounds per horsepower | 51.67 lb / hp to 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) |
What the weight numbers tell you
Yamaha BWs weight FAQ
What does the Yamaha BWs weigh ready to ride?
The supplied figures span 180.8 lb (82 kg) for wet/running weight and 165.3 lb (75 kg) for dry weight across the years in this page. Wet weight is the better guide to what you actually manage on the road.
Is the Yamaha BWs heavy compared with other Yamaha scooters?
It is on the lighter side in this dataset. Its representative wet weight sits around the 10th weight percentile among 129 Yamaha scooters, meaning most compatible models are heavier.
Does the Yamaha BWs weight change by model year?
Not in the usable weight data on this page. Across the covered 2006-2012 years, the supplied weight figure remains the same where comparable values are available.
How much does the Yamaha BWs fuel weigh?
The listed tank capacity is 1.4 US gal (5.3 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 8.7 lb (3.9 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha BWs with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 360.8 lb (163.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha BWs have per 100 lb?
Where compatible power and weight figures are available, it works out to 1.77 hp per 100 lb to 1.94 hp per 100 lb. That places it around the 14th percentile within the compatible Yamaha scooter power-to-weight comparison.
What is the estimated Yamaha BWs weight with a full tank of gas?
Using the listed dry weight plus the calculated fuel mass, the estimated weight with a full tank is 174.1 lb (78.9 kg). That still may not equal official curb weight because dry-weight definitions can exclude other fluids or equipment.
What is the Yamaha BWs torque per 100 lb of bike weight?
The calculated torque-to-weight range is 1.47 lb-ft per 100 lb to 1.61 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How many cc does the Yamaha BWs have per pound?
Engine displacement relative to bike weight is 0.27 cc per lb to 0.3 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
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.