For the 2016 model year, the Harley-Davidson Fat Boy S motorcycle has a supplied wet/running weight of 734.1 lb (333 kg) and a dry weight of 705.5 lb (320 kg).
Harley-Davidson Fat Boy S 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 Fat Boy S?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson Fat Boy S is heavier than about 85.7% 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 Fat Boy S weight & related specs
| Model years covered | 2016 |
|---|---|
| Wet / running weight | 734.1 lb (333 kg) |
| Dry weight | 705.5 lb (320 kg) |
| Engine displacement | 1,801 cc |
| Torque | 107.7 lb-ft (146 Nm) |
| Fuel capacity | 5 US gal (18.93 L) |
| Full-tank fuel weight (estimated) | 31.1 lb (14.1 kg) |
Useful weight calculations
| Torque per 100 lb | 14.67 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 2.45 cc / lb |
| Weight per 100 cc | 40.8 lb / 100 cc |
| Fuel weight as % of bike weight | 4.2% |
| Weight with full tank | 736.6 lb (334.1 kg) |
What the weight numbers tell you
Harley-Davidson Fat Boy S weight FAQ
How much does the Harley-Davidson Fat Boy S weigh?
For the model years covered here, wet/running weight is 734.1 lb (333 kg), while dry weight is 705.5 lb (320 kg). Do not treat dry and wet figures as interchangeable.
How does the Harley-Davidson Fat Boy S weight compare with similar Harley-Davidsons?
It is on the heavier side. Its representative wet weight is around the 86th percentile among 168 compatible Harley-Davidson custom/cruiser motorcycles.
What does a full tank of gas weigh on the Harley-Davidson Fat Boy S?
A full tank works out to about 31.1 lb (14.1 kg) from the listed 5 US gal (18.93 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.
What does the Harley-Davidson Fat Boy S weigh with a 180 lb rider?
The approximate combined total is 914.1 lb (414.6 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.
What is the estimated Harley-Davidson Fat Boy S weight with a full tank of gas?
Using the listed dry weight plus the calculated fuel mass, the estimated weight with a full tank is 736.6 lb (334.1 kg). That still may not equal official curb weight because dry-weight definitions can exclude other fluids or equipment.
What is the Harley-Davidson Fat Boy S dry-to-wet weight difference?
Available years with both measurements show about 28.7 lb (13 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 Fat Boy S torque per 100 lb of bike weight?
Available data gives 14.67 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 many cc does the Harley-Davidson Fat Boy S have per pound?
The model has about 2.45 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.
How does the Harley-Davidson Fat Boy S compare with the median Harley-Davidson custom/cruiser motorcycle weight?
The representative wet weight is about 62.2 lb (28.2 kg) heavier than the median Harley-Davidson custom/cruiser motorcycle weight of 672 lb (304.8 kg) in this dataset.
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.