Across 7 covered model years from 2009 to 2017, the Yamaha WR125R motorcycle has supplied wet/running weights ranging from 264.6 lb (120 kg) to 293.2 lb (133 kg).
Yamaha WR125R 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 WR125R?
wet weight
Using a model-level wet weight comparison, the Yamaha WR125R is heavier than about 61% of 68 Yamaha enduro/off-road motorcycles with compatible weight data.
Ready-to-ride weight range
Bike + rider total weight
These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.
Yamaha WR125R weight & related specs
| Model years covered | 2009, 2011, 2012, 2013, 2014, 2015, 2017 |
|---|---|
| Wet / running weight | 264.6 lb (120 kg) to 293.2 lb (133 kg) |
| Engine displacement | 124 cc to 124.7 cc |
| Power | 14.8 hp to 15 hp |
| Torque | 9 lb-ft (12.2 Nm) |
| Fuel capacity | 2.25 US gal (8.5 L) to 2.38 US gal (9 L) |
| Full-tank fuel weight (estimated) | 14 lb (6.3 kg) to 14.8 lb (6.7 kg) |
Weight changes by model year
The 2009 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 | 5.05 hp / 100 lb to 5.59 hp / 100 lb |
|---|---|
| Pounds per horsepower | 17.88 lb / hp to 19.81 lb / hp |
| Torque per 100 lb | 3.07 lb-ft / 100 lb to 3.4 lb-ft / 100 lb |
| Displacement per pound | 0.42 cc / lb to 0.47 cc / lb |
| Weight per 100 cc | 213.4 lb / 100 cc to 236.5 lb / 100 cc |
| Fuel weight as % of bike weight | 4.8% to 5.6% |
What the weight numbers tell you
Yamaha WR125R weight FAQ
How heavy is the Yamaha WR125R ready to ride?
Listed ready-to-ride weight is 264.6 lb (120 kg) to 293.2 lb (133 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Yamaha WR125R heavy compared with other Yamaha enduro/off-road motorcycles?
It sits fairly close to the middle of the category. Its representative wet weight is around the 61st percentile among 68 compatible Yamaha enduro/off-road motorcycles.
Does the Yamaha WR125R 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 WR125R fuel weigh?
The listed tank capacity is 2.25 US gal (8.5 L) to 2.38 US gal (9 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 14 lb (6.3 kg) to 14.8 lb (6.7 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha WR125R with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 473.2 lb (214.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha WR125R have per 100 lb?
Where compatible power and weight figures are available, it works out to 5.05 hp per 100 lb to 5.59 hp per 100 lb. That places it around the 10th percentile within the compatible Yamaha enduro / offroad power-to-weight comparison.
How much of the Yamaha WR125R total weight comes from fuel?
Based on the available weight basis, a full tank of gasoline represents about 4.8% to 5.6% of the motorcycle’s weight.
How does Yamaha WR125R torque compare with its weight?
The calculated torque-to-weight range is 3.07 lb-ft per 100 lb to 3.4 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
What is the Yamaha WR125R engine-size-to-weight ratio?
Engine displacement relative to bike weight is 0.42 cc per lb to 0.47 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.