Across the 1980 and 1981 model years, the Harley-Davidson FXS 1340 Low Rider motorcycle has a listed wet/running weight of 637.1 lb (289 kg).
Harley-Davidson FXS 1340 Low Rider 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 FXS 1340 Low Rider?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson FXS 1340 Low Rider is lighter than about 66.7% of 168 Harley-Davidson custom/cruiser 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 FXS 1340 Low Rider weight & related specs
| Model years covered | 1980, 1981 |
|---|---|
| Wet / running weight | 637.1 lb (289 kg) |
| Engine displacement | 1,337 cc |
| Power | 67 hp |
| Torque | 67 lb-ft (90.8 Nm) |
| Fuel capacity | 4.09 US gal (15.5 L) |
| Full-tank fuel weight (estimated) | 25.5 lb (11.5 kg) |
Weight changes by model year
Useful weight calculations
| Horsepower per 100 lb | 10.52 hp / 100 lb |
|---|---|
| Pounds per horsepower | 9.51 lb / hp |
| Torque per 100 lb | 10.51 lb-ft / 100 lb |
| Displacement per pound | 2.1 cc / lb |
| Weight per 100 cc | 47.7 lb / 100 cc |
| Fuel weight as % of bike weight | 4% |
What the weight numbers tell you
Harley-Davidson FXS 1340 Low Rider weight FAQ
How heavy is the Harley-Davidson FXS 1340 Low Rider ready to ride?
Listed ready-to-ride weight is 637.1 lb (289 kg). The year-specific section above shows which years use each figure where the supplied value changes.
Is the Harley-Davidson FXS 1340 Low Rider heavy compared with other Harley-Davidson custom/cruiser motorcycles?
It is on the lighter side in this dataset. Its representative wet weight sits around the 33rd weight percentile among 168 Harley-Davidson custom/cruiser motorcycles, meaning most compatible models are heavier.
Does the Harley-Davidson FXS 1340 Low Rider weight change by model year?
Not in the usable weight data on this page. Across the covered 1980-1981 years, the supplied weight figure remains the same where comparable values are available.
How much does the Harley-Davidson FXS 1340 Low Rider fuel weigh?
The listed tank capacity is 4.09 US gal (15.5 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 25.5 lb (11.5 kg). That is an estimate for fuel mass, not an official Harley-Davidson curb-weight calculation.
How heavy is the Harley-Davidson FXS 1340 Low Rider with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 817.1 lb (370.6 kg) using the representative wet/running figure. Gear and luggage would add more.
How much horsepower does the Harley-Davidson FXS 1340 Low Rider have per 100 lb?
Where compatible power and weight figures are available, it works out to 10.52 hp per 100 lb. That places it around the 60th percentile within the compatible Harley-Davidson custom / cruiser power-to-weight comparison.
What is the Harley-Davidson FXS 1340 Low Rider torque-to-weight ratio?
The calculated torque-to-weight range is 10.51 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How large is the Harley-Davidson FXS 1340 Low Rider engine for its weight?
Engine displacement relative to bike weight is 2.1 cc per lb. It can help compare motorcycles from very different displacement classes without relying on cc alone.
Is the Harley-Davidson FXS 1340 Low Rider above or below the typical Harley-Davidson custom/cruiser motorcycle weight?
The model sits about 34.8 lb (15.8 kg) lighter than the compatible median Harley-Davidson custom/cruiser motorcycle weight used on this page.
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.