Across the 2009 and 2010 model years, the Yamaha YZF-R 125 motorcycle has a listed wet/running weight of 304.2 lb (138 kg).
Yamaha YZF-R 125 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 YZF-R 125?
wet weight
Using a model-level wet weight comparison, the Yamaha YZF-R 125 is lighter than about 84.9% of 83 Yamaha sport bikes with compatible weight data.
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 YZF-R 125 weight & related specs
| Model years covered | 2009, 2010 |
|---|---|
| Wet / running weight | 304.2 lb (138 kg) |
| Engine displacement | 124.7 cc |
| Power | 14.8 hp |
| Torque | 9 lb-ft (12.2 Nm) |
| Fuel capacity | 3.65 US gal (13.8 L) |
| Full-tank fuel weight (estimated) | 22.7 lb (10.3 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 4.86 hp / 100 lb |
|---|---|
| Pounds per horsepower | 20.56 lb / hp |
| Torque per 100 lb | 2.96 lb-ft / 100 lb |
| Displacement per pound | 0.41 cc / lb |
| Weight per 100 cc | 244 lb / 100 cc |
| Fuel weight as % of bike weight | 7.5% |
What the weight numbers tell you
Yamaha YZF-R 125 weight FAQ
How much does the Yamaha YZF-R 125 weigh?
The available wet/running figure is 304.2 lb (138 kg). This is more representative of the motorcycle you actually push, park and ride than a dry-only specification.
How does the Yamaha YZF-R 125 weight compare with similar Yamahas?
Relatively light. On a model-level comparison, it is lighter than about 84.9% of 83 Yamaha sport bikes with the same weight basis.
Are all Yamaha YZF-R 125 model years the same weight?
The supplied comparable weight values do not show a meaningful change across the 2009-2010 years covered here.
What does a full tank of gas weigh on the Yamaha YZF-R 125?
A full tank works out to about 22.7 lb (10.3 kg) from the listed 3.65 US gal (13.8 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha YZF-R 125 weigh with a 180 lb rider?
The approximate combined total is 484.2 lb (219.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
Is the Yamaha YZF-R 125 strong for its weight?
The calculated range is 4.86 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 12th percentile within the compatible Yamaha sport power-to-weight comparison.
What is the Yamaha YZF-R 125 torque per 100 lb of bike weight?
Available data gives 2.96 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 many cc does the Yamaha YZF-R 125 have per pound?
The model has about 0.41 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
How does the Yamaha YZF-R 125 compare with the median Yamaha sport bike weight?
The representative wet weight is about 109.8 lb (49.8 kg) lighter than the median Yamaha sport bike weight of 414 lb (187.8 kg) in this dataset.
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.