Across 17 covered model years from 2004 to 2025, the Yamaha MT-03 motorcycle has supplied wet/running weights ranging from 370.4 lb (168 kg) to 424.2 lb (192.4 kg) and dry weights ranging from 384.7 lb (174.5 kg) to 385.8 lb (175 kg), depending on model year.
Yamaha MT-03 weight overview
This is middleweight territory: substantial enough to feel planted, but still well short of heavyweight touring and large-cruiser mass.
Middleweight Motorcycle
How heavy is the Yamaha MT-03?
wet weight
Using a model-level wet weight comparison, the Yamaha MT-03 is lighter than about 68.8% of 69 Yamaha naked 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 MT-03 weight & related specs
| Model years covered | 2004, 2006, 2007, 2008, 2009, 2011, 2013, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
|---|---|
| Wet / running weight | 370.4 lb (168 kg) to 424.2 lb (192.4 kg) |
| Dry weight | 384.7 lb (174.5 kg) to 385.8 lb (175 kg) |
| Engine displacement | 321 cc to 660 cc |
| Power | 42 hp to 47.3 hp |
| Torque | 21.4 lb-ft (29 Nm) to 41.5 lb-ft (56.2 Nm) |
| Fuel capacity | 3.7 US gal (14 L) to 3.96 US gal (15 L) |
| Full-tank fuel weight (estimated) | 23 lb (10.4 kg) to 24.6 lb (11.2 kg) |
Weight changes by model year
The 2004 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 | 11.34 hp / 100 lb to 12.3 hp / 100 lb |
|---|---|
| Pounds per horsepower | 8.13 lb / hp to 8.82 lb / hp |
| Torque per 100 lb | 5.78 lb-ft / 100 lb to 10.77 lb-ft / 100 lb |
| Displacement per pound | 0.86 cc / lb to 1.72 cc / lb |
| Weight per 100 cc | 58.3 lb / 100 cc to 116.2 lb / 100 cc |
| Fuel weight as % of bike weight | 5.8% to 6.4% |
| Weight with full tank | 409.3 lb (185.7 kg) to 410.4 lb (186.2 kg) |
What the weight numbers tell you
Yamaha MT-03 weight FAQ
How much does the Yamaha MT-03 weigh?
For the model years covered here, wet/running weight is 370.4 lb (168 kg) to 424.2 lb (192.4 kg), while dry weight is 384.7 lb (174.5 kg) to 385.8 lb (175 kg). Do not treat dry and wet figures as interchangeable.
How does the Yamaha MT-03 weight compare with similar Yamahas?
Relatively light. On a model-level comparison, it is lighter than about 68.8% of 69 Yamaha naked bikes with the same weight basis.
Are all Yamaha MT-03 model years the same weight?
There are year-to-year differences in the supplied data. The earliest covered year is used as the baseline, with later changed values shown separately above.
What does a full tank of gas weigh on the Yamaha MT-03?
A full tank works out to about 23 lb (10.4 kg) to 24.6 lb (11.2 kg) from the listed 3.7 US gal (14 L) to 3.96 US gal (15 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Yamaha MT-03 weigh with a 180 lb rider?
The approximate combined total is 552.6 lb (250.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
Is the Yamaha MT-03 strong for its weight?
The calculated range is 11.34 hp per 100 lb to 12.3 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 46th percentile within the compatible Yamaha naked bike power-to-weight comparison.
What is the Yamaha MT-03 full-tank weight estimate?
The page calculates about 409.3 lb (185.7 kg) to 410.4 lb (186.2 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 MT-03 wet than dry?
Available years with both measurements show about 38.4 lb (17.4 kg) added between dry and ready-to-ride figures. Fuel explains part of it, while oil, coolant and specification definitions can explain the rest.
What is the Yamaha MT-03 torque-to-weight ratio?
Available data gives 5.78 lb-ft per 100 lb to 10.77 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
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.