Across 5 covered model years from 2014 to 2021, the Yamaha Aerox 4 motorcycle has a listed wet/running weight of 213.8 lb (97 kg).
Yamaha Aerox 4 weight overview
This sits at the very light end of motorcycle mass, which is especially useful when the bike has to be moved around by hand or held on uneven ground.
Very Light Motorcycle
How heavy is the Yamaha Aerox 4?
wet weight
Using a model-level wet weight comparison, the Yamaha Aerox 4 is lighter than about 69.4% of 129 Yamaha scooters 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 Aerox 4 weight & related specs
| Model years covered | 2014, 2015, 2016, 2018, 2021 |
|---|---|
| Wet / running weight | 213.8 lb (97 kg) |
| Engine displacement | 49 cc to 49.5 cc |
| Power | 3 hp |
| Torque | 2.4 lb-ft (3.3 Nm) to 2.6 lb-ft (3.5 Nm) |
| Fuel capacity | 1.59 US gal (6 L) to 1.85 US gal (7 L) |
| Full-tank fuel weight (estimated) | 9.9 lb (4.5 kg) to 11.5 lb (5.2 kg) |
Weight changes by model year
The 2014 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 | 1.4 hp / 100 lb |
|---|---|
| Pounds per horsepower | 71.28 lb / hp |
| Torque per 100 lb | 1.14 lb-ft / 100 lb to 1.21 lb-ft / 100 lb |
| Displacement per pound | 0.23 cc / lb |
| Weight per 100 cc | 432 lb / 100 cc to 436.4 lb / 100 cc |
| Fuel weight as % of bike weight | 4.6% to 5.4% |
What the weight numbers tell you
Yamaha Aerox 4 weight FAQ
How heavy is the Yamaha Aerox 4 ready to ride?
Listed ready-to-ride weight is 213.8 lb (97 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Yamaha Aerox 4 heavy compared with other Yamaha scooters?
It is on the lighter side in this dataset. Its representative wet weight sits around the 31st weight percentile among 129 Yamaha scooters, meaning most compatible models are heavier.
Does the Yamaha Aerox 4 weight change by model year?
Not in the usable weight data on this page. Across the covered 2014, 2015, 2016, 2018, 2021 years, the supplied weight figure remains the same where comparable values are available.
How much does the Yamaha Aerox 4 fuel weigh?
The listed tank capacity is 1.59 US gal (6 L) to 1.85 US gal (7 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 9.9 lb (4.5 kg) to 11.5 lb (5.2 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha Aerox 4 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 393.8 lb (178.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha Aerox 4 have per 100 lb?
Where compatible power and weight figures are available, it works out to 1.4 hp per 100 lb. That places it around the 1st percentile within the compatible Yamaha scooter power-to-weight comparison.
How much of the Yamaha Aerox 4 total weight comes from fuel?
Based on the available weight basis, a full tank of gasoline represents about 4.6% to 5.4% of the motorcycle’s weight.
How does Yamaha Aerox 4 torque compare with its weight?
The calculated torque-to-weight range is 1.14 lb-ft per 100 lb to 1.21 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
What is the Yamaha Aerox 4 engine-size-to-weight ratio?
Engine displacement relative to bike weight is 0.23 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.