Across 4 covered model years from 2005 to 2010, the Yamaha YBR 125 motorcycle has supplied wet/running weights ranging from 273.4 lb (124 kg) and dry weights ranging from 233.7 lb (106 kg) to 249.1 lb (113 kg), depending on model year.
Yamaha YBR 125 weight overview
This sits in a fairly light weight range. That does not guarantee easy handling, but it reduces the sheer mass you have to manage at a stop.
Light Motorcycle
How heavy is the Yamaha YBR 125?
wet weight
Using a model-level wet weight comparison, the Yamaha YBR 125 is lighter than about 97.8% of 69 Yamaha naked bikes 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 YBR 125 weight & related specs
| Model years covered | 2005, 2006, 2007, 2010 |
|---|---|
| Wet / running weight | 273.4 lb (124 kg) |
| Dry weight | 233.7 lb (106 kg) to 249.1 lb (113 kg) |
| Engine displacement | 124 cc to 125 cc |
| Power | 10 hp |
| Torque | 7.1 lb-ft (9.6 Nm) to 7.4 lb-ft (10 Nm) |
| Fuel capacity | 3.17 US gal (12 L) to 3.43 US gal (13 L) |
| Full-tank fuel weight (estimated) | 19.7 lb (8.9 kg) to 21.4 lb (9.7 kg) |
Weight changes by model year
The 2005 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 | 4.28 hp / 100 lb |
|---|---|
| Pounds per horsepower | 23.37 lb / hp |
| Torque per 100 lb | 2.59 lb-ft / 100 lb to 3.16 lb-ft / 100 lb |
| Displacement per pound | 0.45 cc / lb to 0.53 cc / lb |
| Weight per 100 cc | 187 lb / 100 cc to 220.5 lb / 100 cc |
| Fuel weight as % of bike weight | 7.8% to 8.4% |
| Weight with full tank | 253.4 lb (114.9 kg) to 268.8 lb (121.9 kg) |
What the weight numbers tell you
Yamaha YBR 125 weight FAQ
What does the Yamaha YBR 125 weigh ready to ride?
The supplied figures span 273.4 lb (124 kg) for wet/running weight and 233.7 lb (106 kg) to 249.1 lb (113 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 YBR 125 heavy compared with other Yamaha naked bikes?
It is on the lighter side in this dataset. Its representative wet weight sits around the 2nd weight percentile among 69 Yamaha naked bikes, meaning most compatible models are heavier.
Does the Yamaha YBR 125 weight change by model year?
Not every covered year uses the same figure. The page groups identical values together and lists the later model years where the supplied weight specification changes.
How much does the Yamaha YBR 125 fuel weigh?
The listed tank capacity is 3.17 US gal (12 L) to 3.43 US gal (13 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 19.7 lb (8.9 kg) to 21.4 lb (9.7 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha YBR 125 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 453.4 lb (205.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha YBR 125 have per 100 lb?
Where compatible power and weight figures are available, it works out to 4.28 hp per 100 lb. That places it around the 8th percentile within the compatible Yamaha naked bike power-to-weight comparison.
What does the Yamaha YBR 125 weigh with a full tank?
The page calculates about 253.4 lb (114.9 kg) to 268.8 lb (121.9 kg) with a full tank by adding the listed fuel mass to the dry figure. Treat this as a practical estimate, not an official Yamaha curb-weight number.
What is the Yamaha YBR 125 torque-to-weight ratio?
The calculated torque-to-weight range is 2.59 lb-ft per 100 lb to 3.16 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How large is the Yamaha YBR 125 engine for its weight?
Engine displacement relative to bike weight is 0.45 cc per lb to 0.53 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.