Across the 1999, 2000 and 2003 model years, the Ducati ST4 motorcycle has supplied wet/running weights ranging from 521.4 lb (236.5 kg) and dry weights ranging from 474 lb (215 kg), depending on model year.
Ducati ST4 weight overview
At this weight, footing and parking technique matter. Once moving, geometry and balance can disguise the mass, but you still have to manage the full weight at walking speed.
Heavy Motorcycle
How heavy is the Ducati ST4?
wet weight
Using a model-level wet weight comparison, the Ducati ST4 is heavier than about 93.9% of 57 Ducati motorcycles 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 ST4 weight & related specs
| Model years covered | 1999, 2000, 2003 |
|---|---|
| Wet / running weight | 521.4 lb (236.5 kg) |
| Dry weight | 474 lb (215 kg) |
| Engine displacement | 916 cc |
| Torque | 61.2 lb-ft (83 Nm) to 65.6 lb-ft (89 Nm) |
| Fuel capacity | 5.55 US gal (21 L) |
| Full-tank fuel weight (estimated) | 34.5 lb (15.6 kg) |
Weight changes by model year
The 1999 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 | 11.74 lb-ft / 100 lb to 13.85 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 1.76 cc / lb to 1.93 cc / lb |
| Weight per 100 cc | 51.7 lb / 100 cc to 56.9 lb / 100 cc |
| Fuel weight as % of bike weight | 6.6% to 7.3% |
| Weight with full tank | 508.5 lb (230.6 kg) |
What the weight numbers tell you
Ducati ST4 weight FAQ
What is the Ducati ST4 dry and wet weight?
Across the covered 1999, 2000, 2003 years, listed wet/running weight is 521.4 lb (236.5 kg) and listed dry weight is 474 lb (215 kg). Check the year-change section because the exact figure can vary by model year.
Is the Ducati ST4 lighter or heavier than other Ducati motorcycles?
Compared with similar Ducatis in this dataset, it is heavier than about 93.9% of 57 motorcycles using the same weight basis.
Which Ducati ST4 years have different weight specs?
No clear weight change appears in the usable model-year data. Other specifications may still differ by year.
How much does a full tank add to the Ducati ST4?
Based on the supplied 5.55 US gal (21 L) tank capacity, the gasoline itself weighs about 34.5 lb (15.6 kg) when full. This helps explain part of the difference between dry and ready-to-ride mass.
What is the combined Ducati ST4 and rider weight?
Using the model’s representative wet/running weight and a 180 lb rider, the combined bike-and-rider mass is about 701.4 lb (318.1 kg) before riding gear, luggage or a passenger.
How much heavier is the Ducati ST4 with a full tank?
Filling the listed tank brings the calculated bike weight to roughly 508.5 lb (230.6 kg). This estimate is most useful when no official wet/running figure is available.
How much of the Ducati ST4 total weight comes from fuel?
The calculated full-tank fuel mass is about 6.6% to 7.3% of the bike’s listed weight. This helps show why a dry-weight number can understate what you actually manage on the road.
How does Ducati ST4 torque compare with its weight?
Where compatible torque and weight figures are available, the model works out to 11.74 lb-ft per 100 lb to 13.85 lb-ft per 100 lb. This gives more context than torque alone because it relates engine twist to the mass it has to move.
What is the Ducati ST4 engine-size-to-weight ratio?
The available figures work out to 1.76 cc per lb to 1.93 cc per lb. This is not a performance rating, but it is a useful way to compare engine size against total motorcycle mass.
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.