Across 6 covered model years from 2015 to 2020, the Ducati Monster 821 motorcycle has supplied wet/running weights ranging from 429.9 lb (195 kg) to 454.2 lb (206 kg) and dry weights ranging from 395.7 lb (179.5 kg) to 397.9 lb (180.5 kg), depending on model year.
Ducati Monster 821 weight overview
This is firmly on the heavier side. The real penalty is not necessarily normal riding; it is low-speed work, awkward parking and moving the bike around manually.
Heavy Motorcycle
How heavy is the Ducati Monster 821?
wet weight
Using a model-level wet weight comparison, the Ducati Monster 821 is heavier than about 64.5% of 38 Ducati 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.
Ducati Monster 821 weight & related specs
| Model years covered | 2015, 2016, 2017, 2018, 2019, 2020 |
|---|---|
| Wet / running weight | 429.9 lb (195 kg) to 454.2 lb (206 kg) |
| Dry weight | 395.7 lb (179.5 kg) to 397.9 lb (180.5 kg) |
| Engine displacement | 821 cc |
| Power | 109 hp |
| Torque | 63.4 lb-ft (86 Nm) to 65.9 lb-ft (89.4 Nm) |
| Fuel capacity | 4.36 US gal (16.5 L) to 4.62 US gal (17.5 L) |
| Full-tank fuel weight (estimated) | 27.1 lb (12.3 kg) to 28.7 lb (13 kg) |
Weight changes by model year
The 2015 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 | 24 hp / 100 lb |
|---|---|
| Pounds per horsepower | 4.17 lb / hp |
| Torque per 100 lb | 13.97 lb-ft / 100 lb to 14.75 lb-ft / 100 lb |
| Displacement per pound | 1.81 cc / lb to 1.91 cc / lb |
| Weight per 100 cc | 52.4 lb / 100 cc to 55.3 lb / 100 cc |
| Fuel weight as % of bike weight | 6% to 6.7% |
| Weight with full tank | 423.9 lb (192.3 kg) to 425 lb (192.8 kg) |
What the weight numbers tell you
Ducati Monster 821 weight FAQ
What does the Ducati Monster 821 weigh ready to ride?
The supplied figures span 429.9 lb (195 kg) to 454.2 lb (206 kg) for wet/running weight and 395.7 lb (179.5 kg) to 397.9 lb (180.5 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 Ducati Monster 821 heavy compared with other Ducati naked bikes?
It sits fairly close to the middle of the category. Its representative wet weight is around the 64th percentile among 38 compatible Ducati naked bikes.
Does the Ducati Monster 821 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 Ducati Monster 821 fuel weigh?
The listed tank capacity is 4.36 US gal (16.5 L) to 4.62 US gal (17.5 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 27.1 lb (12.3 kg) to 28.7 lb (13 kg). That is an estimate for fuel mass, not an official Ducati curb-weight calculation.
How heavy is the Ducati Monster 821 with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 633 lb (287.1 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Ducati Monster 821 have per 100 lb?
Where compatible power and weight figures are available, it works out to 24 hp per 100 lb. That places it around the 43rd percentile within the compatible Ducati naked bike power-to-weight comparison.
What does the Ducati Monster 821 weigh with a full tank?
Filling the listed tank brings the calculated bike weight to roughly 423.9 lb (192.3 kg) to 425 lb (192.8 kg). This estimate is most useful when no official wet/running figure is available.
How much weight do fuel and fluids add to the Ducati Monster 821?
The supplied model-year data shows roughly 56.2 lb (25.5 kg) to 57.3 lb (26 kg) between dry and wet/running weight. The exact gap can vary by year and by the manufacturer’s weight definition.
How much of the Ducati Monster 821 total weight comes from fuel?
Based on the available weight basis, a full tank of gasoline represents about 6% to 6.7% of the motorcycle’s weight.
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 Ducati website.