Across the 2006 and 2007 model years, the Harley-Davidson FLHRS Road King Custom motorcycle has supplied wet/running weights ranging from 752 lb (341.1 kg) to 757.1 lb (343.4 kg) and dry weights ranging from 720.9 lb (327 kg) to 726 lb (329.3 kg), depending on model year.
Harley-Davidson FLHRS Road King Custom 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 FLHRS Road King Custom?
wet weight
Using a model-level wet weight comparison, the Harley-Davidson FLHRS Road King Custom is heavier than about 92% 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 FLHRS Road King Custom weight & related specs
| Model years covered | 2006, 2007 |
|---|---|
| Wet / running weight | 752 lb (341.1 kg) to 757.1 lb (343.4 kg) |
| Dry weight | 720.9 lb (327 kg) to 726 lb (329.3 kg) |
| Engine displacement | 1,442.2 cc to 1,573 cc |
| Torque | 86 lb-ft (116.6 Nm) to 92.6 lb-ft (125.6 Nm) |
| Fuel capacity | 5 US gal (18.92 L) |
| Full-tank fuel weight (estimated) | 31.1 lb (14.1 kg) |
Weight changes by model year
The 2006 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Torque per 100 lb | 11.44 lb-ft / 100 lb to 12.24 lb-ft / 100 lb |
|---|---|
| Displacement per pound | 1.92 cc / lb to 2.08 cc / lb |
| Weight per 100 cc | 48.1 lb / 100 cc to 52.1 lb / 100 cc |
| Fuel weight as % of bike weight | 4.1% to 4.1% |
| Weight with full tank | 752 lb (341.1 kg) to 757.1 lb (343.4 kg) |
What the weight numbers tell you
Harley-Davidson FLHRS Road King Custom weight FAQ
What does the Harley-Davidson FLHRS Road King Custom weigh ready to ride?
The supplied figures span 752 lb (341.1 kg) to 757.1 lb (343.4 kg) for wet/running weight and 720.9 lb (327 kg) to 726 lb (329.3 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 FLHRS Road King Custom heavy compared with other Harley-Davidson custom/cruiser motorcycles?
Relatively speaking, it is on the heavier side. The model sits near the 92nd weight percentile in its Harley-Davidson category, so it is heavier than most of the compatible comparison set.
Does the Harley-Davidson FLHRS Road King Custom weight change by model year?
Not every covered year uses the same figure. The page groups identical values together and lists the later model years where the supplied weight specification changes.
How much does the Harley-Davidson FLHRS Road King Custom fuel weigh?
The listed tank capacity is 5 US gal (18.92 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 31.1 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 FLHRS Road King Custom with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 934.5 lb (423.9 kg) using the representative wet/running figure. Gear and luggage would add more.
How heavy is the Harley-Davidson FLHRS Road King Custom after filling the fuel tank?
The page calculates about 752 lb (341.1 kg) to 757.1 lb (343.4 kg) with a full tank by adding the listed fuel mass to the dry figure. Treat this as a practical estimate, not an official Harley-Davidson curb-weight number.
How much heavier is the Harley-Davidson FLHRS Road King Custom wet than dry?
The supplied model-year data shows roughly 31.1 lb (14.1 kg) between dry and wet/running weight. The exact gap can vary by year and by the manufacturer’s weight definition.
What is the Harley-Davidson FLHRS Road King Custom torque-to-weight ratio?
The calculated torque-to-weight range is 11.44 lb-ft per 100 lb to 12.24 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
How large is the Harley-Davidson FLHRS Road King Custom engine for its weight?
Engine displacement relative to bike weight is 1.92 cc per lb to 2.08 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.