Across 4 covered model years from 2016 to 2020, the Kawasaki J125 motorcycle has a listed wet/running weight of 401.2 lb (182 kg).
Kawasaki J125 weight overview
This is neither unusually light nor extremely heavy. For most riders the practical weight question is more about seat height, center of mass and low-speed balance than the scale number alone.
Middleweight Motorcycle
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.
Kawasaki J125 weight & related specs
| Model years covered | 2016, 2017, 2019, 2020 |
|---|---|
| Wet / running weight | 401.2 lb (182 kg) |
| Engine displacement | 125 cc |
| Torque | 8 lb-ft (10.9 Nm) to 8.5 lb-ft (11.5 Nm) |
| Fuel capacity | 3.43 US gal (13 L) |
| Full-tank fuel weight (estimated) | 21.4 lb (9.7 kg) |
Weight changes by model year
The 2016 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
| Torque per 100 lb | 2 lb-ft / 100 lb to 2.11 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 0.31 cc / lb |
| Weight per 100 cc | 321 lb / 100 cc |
| Fuel weight as % of bike weight | 5.3% |
What the weight numbers tell you
Kawasaki J125 weight FAQ
How heavy is the Kawasaki J125 ready to ride?
Listed ready-to-ride weight is 401.2 lb (182 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Does the Kawasaki J125 weight change by model year?
Not in the usable weight data on this page. Across the covered 2016, 2017, 2019, 2020 years, the supplied weight figure remains the same where comparable values are available.
How much does the Kawasaki J125 fuel weigh?
The listed tank capacity is 3.43 US gal (13 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 21.4 lb (9.7 kg). That is an estimate for fuel mass, not an official Kawasaki curb-weight calculation.
How heavy is the Kawasaki J125 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 581.2 lb (263.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much torque does the Kawasaki J125 have per 100 lb?
The calculated torque-to-weight range is 2 lb-ft per 100 lb to 2.11 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
What is the Kawasaki J125 displacement per pound?
Engine displacement relative to bike weight is 0.31 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
Will the Kawasaki J125 feel heavy at low speed?
It is most likely to feel heavy while stopped, backing up or on a slope rather than once settled at normal riding speed. Seat height and center of gravity matter a lot.
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 Kawasaki website.