For the 2001 model year, the Harley-Davidson Fat Boy Injection motorcycle has a listed wet/running weight of 705.5 lb (320 kg).
Harley-Davidson Fat Boy Injection weight overview
This sits in heavyweight territory. Riders should think about garage movement, backing up, surface slope and passenger/luggage load as much as the on-road feel.
Very Heavy Motorcycle
How heavy is the Harley-Davidson Fat Boy Injection?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson Fat Boy Injection is heavier than about 66.7% of 108 Harley-Davidson motorcycles with compatible weight data.
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 Injection weight & related specs
| Model years covered | 2001 |
|---|---|
| Wet / running weight | 705.5 lb (320 kg) |
| Engine displacement | 1,449 cc |
| Torque | 77.4 lb-ft (105 Nm) |
| Fuel capacity | 4.99 US gal (18.9 L) |
| Full-tank fuel weight (estimated) | 31 lb (14.1 kg) |
Useful weight calculations
| Torque per 100 lb | 10.98 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 2.05 cc / lb |
| Weight per 100 cc | 48.7 lb / 100 cc |
| Fuel weight as % of bike weight | 4.4% |
What the weight numbers tell you
Harley-Davidson Fat Boy Injection weight FAQ
How heavy is the Harley-Davidson Fat Boy Injection ready to ride?
Listed ready-to-ride weight is 705.5 lb (320 kg).
Is the Harley-Davidson Fat Boy Injection heavy compared with other Harley-Davidson motorcycles?
Relatively speaking, it is on the heavier side. The model sits near the 67th weight percentile in its Harley-Davidson category, so it is heavier than most of the compatible comparison set.
How much does the Harley-Davidson Fat Boy Injection fuel weigh?
The listed tank capacity is 4.99 US gal (18.9 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 31 lb (14.1 kg). That is an estimate for fuel mass, not an official Harley-Davidson curb-weight calculation.
How heavy is the Harley-Davidson Fat Boy Injection with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 885.5 lb (401.6 kg) using the representative wet/running figure. Gear and luggage would add more.
What is the Harley-Davidson Fat Boy Injection torque per 100 lb of bike weight?
The calculated torque-to-weight range is 10.98 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How many cc does the Harley-Davidson Fat Boy Injection have per pound?
Engine displacement relative to bike weight is 2.05 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
How does the Harley-Davidson Fat Boy Injection compare with the median Harley-Davidson motorcycle weight?
The model sits about 33.1 lb (15 kg) heavier than the compatible median Harley-Davidson motorcycle weight used on this page.
Will the Harley-Davidson Fat Boy Injection feel heavy at low speed?
It is heavy enough that smart parking matters. Avoid situations where you have to paddle it backward uphill or catch it after it leans too far.
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.