For the 2018 model year, the Harley-Davidson Sportster Roadster Dark Custom motorcycle has a supplied wet/running weight of 568.8 lb (258 kg) and a dry weight of 529.1 lb (240 kg).
Harley-Davidson Sportster Roadster Dark Custom 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 Harley-Davidson Sportster Roadster Dark Custom?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson Sportster Roadster Dark Custom is lighter than about 87.5% of 108 Harley-Davidson 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.
Harley-Davidson Sportster Roadster Dark Custom weight & related specs
| Model years covered | 2018 |
|---|---|
| Wet / running weight | 568.8 lb (258 kg) |
| Dry weight | 529.1 lb (240 kg) |
| Engine displacement | 1,202 cc |
| Torque | 70.8 lb-ft (96 Nm) |
| Fuel capacity | 3.3 US gal (12.5 L) |
| Full-tank fuel weight (estimated) | 20.5 lb (9.3 kg) |
Useful weight calculations
| Torque per 100 lb | 12.45 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 2.11 cc / lb |
| Weight per 100 cc | 47.3 lb / 100 cc |
| Fuel weight as % of bike weight | 3.6% |
| Weight with full tank | 549.6 lb (249.3 kg) |
What the weight numbers tell you
Harley-Davidson Sportster Roadster Dark Custom weight FAQ
What does the Harley-Davidson Sportster Roadster Dark Custom weigh ready to ride?
The supplied figures span 568.8 lb (258 kg) for wet/running weight and 529.1 lb (240 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 Harley-Davidson Sportster Roadster Dark Custom heavy compared with other Harley-Davidson motorcycles?
It is on the lighter side in this dataset. Its representative wet weight sits around the 12th weight percentile among 108 Harley-Davidson motorcycles, meaning most compatible models are heavier.
How much does the Harley-Davidson Sportster Roadster Dark Custom fuel weigh?
The listed tank capacity is 3.3 US gal (12.5 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 20.5 lb (9.3 kg). That is an estimate for fuel mass, not an official Harley-Davidson curb-weight calculation.
How heavy is the Harley-Davidson Sportster Roadster Dark Custom with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 748.8 lb (339.6 kg) using the representative wet/running figure. Gear and luggage would add more.
What is the Harley-Davidson Sportster Roadster Dark Custom full-tank weight estimate?
Filling the listed tank brings the calculated bike weight to roughly 549.6 lb (249.3 kg). This estimate is most useful when no official wet/running figure is available.
How much weight do fuel and fluids add to the Harley-Davidson Sportster Roadster Dark Custom?
The supplied model-year data shows roughly 39.7 lb (18 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 Harley-Davidson Sportster Roadster Dark Custom total weight comes from fuel?
Based on the available weight basis, a full tank of gasoline represents about 3.6% of the motorcycle’s weight.
How does Harley-Davidson Sportster Roadster Dark Custom torque compare with its weight?
The calculated torque-to-weight range is 12.45 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
What is the Harley-Davidson Sportster Roadster Dark Custom engine-size-to-weight ratio?
Engine displacement relative to bike weight is 2.11 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 Harley-Davidson website.