Across 5 covered model years from 2009 to 2017, the Yamaha WR125X motorcycle has supplied wet/running weights ranging from 302 lb (137 kg) and dry weights ranging from 280 lb (127 kg), depending on model year.
Yamaha WR125X 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 WR125X?
wet weight
Using a model-level wet weight comparison, the Yamaha WR125X is lighter than about 71.4% of 21 Yamaha supermoto 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 WR125X weight & related specs
| Model years covered | 2009, 2011, 2012, 2016, 2017 |
|---|---|
| Wet / running weight | 302 lb (137 kg) |
| Dry weight | 280 lb (127 kg) |
| Engine displacement | 124.7 cc |
| Power | 15 hp |
| Torque | 9 lb-ft (12.2 Nm) |
| Fuel capacity | 2.25 US gal (8.5 L) |
| Full-tank fuel weight (estimated) | 14 lb (6.3 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 4.97 hp / 100 lb |
|---|---|
| Pounds per horsepower | 20.14 lb / hp |
| Torque per 100 lb | 2.98 lb-ft / 100 lb |
| Displacement per pound | 0.41 cc / lb |
| Weight per 100 cc | 242.2 lb / 100 cc |
| Fuel weight as % of bike weight | 4.6% |
| Weight with full tank | 293.9 lb (133.3 kg) |
What the weight numbers tell you
Yamaha WR125X weight FAQ
What does the Yamaha WR125X weigh ready to ride?
The supplied figures span 302 lb (137 kg) for wet/running weight and 280 lb (127 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 WR125X heavy compared with other Yamaha supermoto bikes?
It is on the lighter side in this dataset. Its representative wet weight sits around the 29th weight percentile among 21 Yamaha supermoto bikes, meaning most compatible models are heavier.
Does the Yamaha WR125X weight change by model year?
Not in the usable weight data on this page. Across the covered 2009, 2011, 2012, 2016, 2017 years, the supplied weight figure remains the same where comparable values are available.
How much does the Yamaha WR125X fuel weigh?
The listed tank capacity is 2.25 US gal (8.5 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 14 lb (6.3 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha WR125X with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 482 lb (218.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha WR125X have per 100 lb?
Where compatible power and weight figures are available, it works out to 4.97 hp per 100 lb. That places it around the 25th percentile within the compatible Yamaha super motard power-to-weight comparison.
How much heavier is the Yamaha WR125X with a full tank?
The page calculates about 293.9 lb (133.3 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.
How much heavier is the Yamaha WR125X wet than dry?
The supplied model-year data shows roughly 22 lb (10 kg) between dry and wet/running weight. The exact gap can vary by year and by the manufacturer’s weight definition.
What is the Yamaha WR125X torque-to-weight ratio?
The calculated torque-to-weight range is 2.98 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
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.