Across 10 covered model years from 2008 to 2018, the Yamaha YBR125 motorcycle has supplied wet/running weights ranging from 273.4 lb (124 kg) to 277.8 lb (126 kg) and dry weights ranging from 249.1 lb (113 kg), depending on model year.
Yamaha YBR125 weight overview
This is on the lighter side for a road motorcycle. The advantage is usually most obvious while parking, maneuvering at walking speed and moving the bike around off the engine.
Light Motorcycle
How heavy is the Yamaha YBR125?
wet weight
Using a model-level wet weight comparison, the Yamaha YBR125 is lighter than about 96.4% 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 YBR125 weight & related specs
| Model years covered | 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 |
|---|---|
| Wet / running weight | 273.4 lb (124 kg) to 277.8 lb (126 kg) |
| Dry weight | 249.1 lb (113 kg) |
| Engine displacement | 123 cc to 124 cc |
| Power | 10.1 hp |
| Torque | 7.1 lb-ft (9.6 Nm) |
| Fuel capacity | 3.43 US gal (13 L) to 3.59 US gal (13.6 L) |
| Full-tank fuel weight (estimated) | 21.4 lb (9.7 kg) to 22.3 lb (10.1 kg) |
Weight changes by model year
The 2008 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 | 3.64 hp / 100 lb to 4.05 hp / 100 lb |
|---|---|
| Pounds per horsepower | 24.67 lb / hp to 27.5 lb / hp |
| Torque per 100 lb | 2.55 lb-ft / 100 lb to 2.84 lb-ft / 100 lb |
| Displacement per pound | 0.44 cc / lb to 0.5 cc / lb |
| Weight per 100 cc | 200.9 lb / 100 cc to 225.8 lb / 100 cc |
| Fuel weight as % of bike weight | 7.7% to 8.6% |
| Weight with full tank | 270.5 lb (122.7 kg) |
What the weight numbers tell you
Yamaha YBR125 weight FAQ
How much does the Yamaha YBR125 weigh?
For the model years covered here, wet/running weight is 273.4 lb (124 kg) to 277.8 lb (126 kg), while dry weight is 249.1 lb (113 kg). Do not treat dry and wet figures as interchangeable.
How does the Yamaha YBR125 weight compare with similar Yamahas?
Relatively light. On a model-level comparison, it is lighter than about 96.4% of 69 Yamaha naked bikes with the same weight basis.
Are all Yamaha YBR125 model years the same weight?
There are year-to-year differences in the supplied data. The earliest covered year is used as the baseline, with later changed values shown separately above.
What does a full tank of gas weigh on the Yamaha YBR125?
A full tank works out to about 21.4 lb (9.7 kg) to 22.3 lb (10.1 kg) from the listed 3.43 US gal (13 L) to 3.59 US gal (13.6 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha YBR125 weigh with a 180 lb rider?
The approximate combined total is 457.8 lb (207.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
Is the Yamaha YBR125 strong for its weight?
The calculated range is 3.64 hp per 100 lb to 4.05 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 1st percentile within the compatible Yamaha naked bike power-to-weight comparison.
How much heavier is the Yamaha YBR125 with a full tank?
The page calculates about 270.5 lb (122.7 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 YBR125 torque-to-weight ratio?
Available data gives 2.55 lb-ft per 100 lb to 2.84 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
How large is the Yamaha YBR125 engine for its weight?
The model has about 0.44 cc per lb to 0.5 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
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.