Across 4 covered model years from 2021 to 2024, the Yamaha R3 motorcycle has supplied wet/running weights ranging from 372.6 lb (169 kg) to 374.8 lb (170 kg).
Yamaha R3 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
How heavy is the Yamaha R3?
wet weight
Using a model-level wet weight comparison, the Yamaha R3 is lighter than about 62.7% of 83 Yamaha sport bikes 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 R3 weight & related specs
| Model years covered | 2021, 2022, 2023, 2024 |
|---|---|
| Wet / running weight | 372.6 lb (169 kg) to 374.8 lb (170 kg) |
| Engine displacement | 321 cc |
| Power | 41.4 hp |
| Torque | 21.2 lb-ft (28.8 Nm) to 21.8 lb-ft (29.5 Nm) |
| Fuel capacity | 3.7 US gal (14 L) |
| Full-tank fuel weight (estimated) | 23 lb (10.4 kg) |
Weight changes by model year
The 2021 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 | 11.05 hp / 100 lb to 11.11 hp / 100 lb |
|---|---|
| Pounds per horsepower | 9 lb / hp to 9.05 lb / hp |
| Torque per 100 lb | 5.67 lb-ft / 100 lb to 5.84 lb-ft / 100 lb |
| Displacement per pound | 0.86 cc / lb |
| Weight per 100 cc | 116.1 lb / 100 cc to 116.8 lb / 100 cc |
| Fuel weight as % of bike weight | 6.1% to 6.2% |
What the weight numbers tell you
Yamaha R3 weight FAQ
How heavy is the Yamaha R3 ready to ride?
Listed ready-to-ride weight is 372.6 lb (169 kg) to 374.8 lb (170 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Yamaha R3 heavy compared with other Yamaha sport bikes?
It sits fairly close to the middle of the category. Its representative wet weight is around the 37th percentile among 83 compatible Yamaha sport bikes.
Does the Yamaha R3 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 R3 fuel weigh?
The listed tank capacity is 3.7 US gal (14 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 23 lb (10.4 kg). That is an estimate for fuel mass, not an official Yamaha curb-weight calculation.
How heavy is the Yamaha R3 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 552.6 lb (250.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Yamaha R3 have per 100 lb?
Where compatible power and weight figures are available, it works out to 11.05 hp per 100 lb to 11.11 hp per 100 lb. That places it around the 34th percentile within the compatible Yamaha sport power-to-weight comparison.
What is the Yamaha R3 torque-to-weight ratio?
The calculated torque-to-weight range is 5.67 lb-ft per 100 lb to 5.84 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How large is the Yamaha R3 engine for its weight?
Engine displacement relative to bike weight is 0.86 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
What are the lightest and heaviest Yamaha R3 years?
The usable year data ranges from 372.6 lb (169 kg) in 2022-2023 to 374.8 lb (170 kg) in 2021.
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.