For the 2018 model year, the Harley-Davidson Softail Street Bob Dark Custom motorcycle has a supplied wet/running weight of 670.2 lb (304 kg) and a dry weight of 637.1 lb (289 kg).
Harley-Davidson Softail Street Bob Dark Custom weight overview
This is a very heavy motorcycle. Good footing, sensible parking direction and avoiding awkward slopes make a real difference when handling it at walking speed.
Very Heavy Motorcycle
How heavy is the Harley-Davidson Softail Street Bob Dark Custom?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson Softail Street Bob Dark Custom is lighter than about 50.9% of 168 Harley-Davidson custom/cruiser 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 Softail Street Bob Dark Custom weight & related specs
| Model years covered | 2018 |
|---|---|
| Wet / running weight | 670.2 lb (304 kg) |
| Dry weight | 637.1 lb (289 kg) |
| Engine displacement | 1,690 cc |
| Power | 86 hp |
| Torque | 93.7 lb-ft (127 Nm) |
| Fuel capacity | 3.49 US gal (13.2 L) |
| Full-tank fuel weight (estimated) | 21.7 lb (9.8 kg) |
Useful weight calculations
| Horsepower per 100 lb | 12.83 hp / 100 lb |
|---|---|
| Pounds per horsepower | 7.79 lb / hp |
| Torque per 100 lb | 13.98 lb-ft / 100 lb |
| Displacement per pound | 2.52 cc / lb |
| Weight per 100 cc | 39.7 lb / 100 cc |
| Fuel weight as % of bike weight | 3.2% |
| Weight with full tank | 658.8 lb (298.8 kg) |
What the weight numbers tell you
Harley-Davidson Softail Street Bob Dark Custom weight FAQ
How much does the Harley-Davidson Softail Street Bob Dark Custom weigh?
For the model years covered here, wet/running weight is 670.2 lb (304 kg), while dry weight is 637.1 lb (289 kg). Do not treat dry and wet figures as interchangeable.
How does the Harley-Davidson Softail Street Bob Dark Custom weight compare with similar Harley-Davidsons?
It is not an extreme outlier for the category. The model ranks around the 49th percentile for weight among 168 compatible Harley-Davidson custom/cruiser motorcycles.
What does a full tank of gas weigh on the Harley-Davidson Softail Street Bob Dark Custom?
A full tank works out to about 21.7 lb (9.8 kg) from the listed 3.49 US gal (13.2 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Harley-Davidson Softail Street Bob Dark Custom weigh with a 180 lb rider?
The approximate combined total is 850.2 lb (385.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
Is the Harley-Davidson Softail Street Bob Dark Custom strong for its weight?
The calculated range is 12.83 hp per 100 lb. This ratio is usually more informative for acceleration comparisons than horsepower alone. That places it around the 84th percentile within the compatible Harley-Davidson custom / cruiser power-to-weight comparison.
How much heavier is the Harley-Davidson Softail Street Bob Dark Custom wet than dry?
Available years with both measurements show about 33.1 lb (15 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 Harley-Davidson Softail Street Bob Dark Custom torque-to-weight ratio?
Available data gives 13.98 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.
How large is the Harley-Davidson Softail Street Bob Dark Custom engine for its weight?
The model has about 2.52 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
Is the Harley-Davidson Softail Street Bob Dark Custom easy to move around by hand?
Yes, the mass is substantial enough to matter at walking speed. Parking direction, slope and secure footing become important because recovering the bike from a lean takes more effort.
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.