Harley-Davidson FLHRSI Road King Custom Weight (752lb)

Quick answer

Across the 2004, 2005 and 2006 model years, the Harley-Davidson FLHRSI Road King Custom motorcycle has supplied wet/running weights ranging from 752 lb (341.1 kg) and dry weights ranging from 720.9 lb (327 kg) to 731.9 lb (332 kg), depending on model year.

Wet / running weight752 lb (341.1 kg)
Dry weight720.9 lb (327 kg) to 731.9 lb (332 kg)
Fuel capacity4.99 US gal (18.9 L) to 5 US gal (18.92 L)
Full tank fuel weight31 lb (14.1 kg) to 31.1 lb (14.1 kg)
Model years covered
200420052006

Harley-Davidson FLHRSI Road King Custom weight overview

WHAT THIS MEANS

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

CATEGORY WEIGHT POSITION

How heavy is the Harley-Davidson FLHRSI Road King Custom?

wet weight

Using a model-level wet weight comparison, the Harley-Davidson FLHRSI Road King Custom is heavier than about 90.8% of 168 Harley-Davidson custom/cruiser motorcycles with compatible weight data.

LighterTypicalHeavier
752 lb (341.1 kg)
168 Harley-Davidson custom/cruiser motorcyclesMedian: 672 lb (304.8 kg)
WEIGHT VISUAL

Dry vs ready-to-ride weight

Wet / running weight752 lb (341.1 kg)
Dry weight720.9 lb (327 kg) – 731.9 lb (332 kg)
REAL-WORLD LOAD

Bike + rider total weight

These totals use the model’s representative wet weight. They exclude riding gear, luggage and a passenger.

150 lb rider902 lb (409.1 kg)bike + rider • bike is 83.4% of total mass
180 lb rider932 lb (422.7 kg)bike + rider • bike is 80.7% of total mass
210 lb rider962 lb (436.4 kg)bike + rider • bike is 78.2% of total mass

Harley-Davidson FLHRSI Road King Custom weight & related specs

Model years covered 2004, 2005, 2006
Wet / running weight 752 lb (341.1 kg)
Dry weight 720.9 lb (327 kg) to 731.9 lb (332 kg)
Engine displacement 1,442.2 cc to 1,449 cc
Torque 80.4 lb-ft (109 Nm) to 86 lb-ft (116.6 Nm)
Fuel capacity 4.99 US gal (18.9 L) to 5 US gal (18.92 L)
Full-tank fuel weight (estimated) 31 lb (14.1 kg) to 31.1 lb (14.1 kg)

Weight changes by model year

The 2004 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.

Dry weight
2006720.9 lb (327 kg)
Fuel capacity
20065 US gal (18.92 L)
Full-tank fuel weight
200631.1 lb (14.1 kg)
Torque
200686 lb-ft (116.6 Nm)

Useful weight calculations

Torque per 100 lb 10.98 lb-ft / 100 lb to 11.44 lb-ft / 100 lb
Displacement per pound 1.92 cc / lb to 1.98 cc / lb
Weight per 100 cc 50.5 lb / 100 cc to 52.1 lb / 100 cc
Fuel weight as % of bike weight 4.1% to 4.2%
Weight with full tank 752 lb (341.1 kg) to 763 lb (346.1 kg)

What the weight numbers tell you

Using a model-level wet weight comparison, the Harley-Davidson FLHRSI Road King Custom is heavier than about 90.8% of 168 Harley-Davidson custom/cruiser motorcycles with compatible weight data.
A full tank is not weightless: the 4.99 US gal (18.9 L) to 5 US gal (18.92 L) listed capacity works out to approximately 31 lb (14.1 kg) to 31.1 lb (14.1 kg) of gasoline. This is an estimate rather than a Harley-Davidson curb-weight specification.
Weight is not identical across every model year in this page. Use the year-specific section rather than assuming one figure applies to every FLHRSI Road King Custom.

Harley-Davidson FLHRSI Road King Custom weight FAQ

How much does the Harley-Davidson FLHRSI Road King Custom weigh?

For the model years covered here, wet/running weight is 752 lb (341.1 kg), while dry weight is 720.9 lb (327 kg) to 731.9 lb (332 kg). Do not treat dry and wet figures as interchangeable.

How does the Harley-Davidson FLHRSI Road King Custom weight compare with similar Harley-Davidsons?

It is on the heavier side. Its representative wet weight is around the 91st percentile among 168 compatible Harley-Davidson custom/cruiser motorcycles.

Are all Harley-Davidson FLHRSI Road King Custom model years the same weight?

There are year-to-year differences in the supplied data. The earliest covered year is used as the baseline, with later changed values shown separately above.

What does a full tank of gas weigh on the Harley-Davidson FLHRSI Road King Custom?

A full tank works out to about 31 lb (14.1 kg) to 31.1 lb (14.1 kg) from the listed 4.99 US gal (18.9 L) to 5 US gal (18.92 L) capacity. Actual fuel density varies slightly, so treat it as a practical estimate.

What does the Harley-Davidson FLHRSI Road King Custom weigh with a 180 lb rider?

The approximate combined total is 932 lb (422.7 kg) with a 180 lb rider, based on the representative wet/running weight used on this page.

What is the Harley-Davidson FLHRSI Road King Custom full-tank weight estimate?

Based on the available dry-weight and tank-capacity data, a full-tank estimate is 752 lb (341.1 kg) to 763 lb (346.1 kg). Oil, coolant and market-specific equipment can still make actual ready-to-ride weight different.

What is the difference between Harley-Davidson FLHRSI Road King Custom dry and wet weight?

Available years with both measurements show about 31.1 lb (14.1 kg) added between dry and ready-to-ride figures. Fuel explains part of it, while oil, coolant and specification definitions can explain the rest.

How much torque does the Harley-Davidson FLHRSI Road King Custom have per 100 lb?

Available data gives 10.98 lb-ft per 100 lb to 11.44 lb-ft per 100 lb. That ratio helps explain how strong the engine is relative to the bike’s mass, especially at lower speeds.

What is the Harley-Davidson FLHRSI Road King Custom displacement per pound?

The model has about 1.92 cc per lb to 1.98 cc per lb in the available data. This simply shows how much engine displacement there is for each pound of motorcycle weight.

Official information note

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.