The Harley-Davidson FLHRS Road King Custom motorcycle specifications include a 1442.2 cc (88.00 cu in) engine, a 5-speed gearbox, and a listed weight of 341.1 kg (752 lb).
Key specifications
The 2006 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Harley-Davidson FLHRS Road King Custom compares
This compares the motorcycle with all Harley-Davidson models in this specifications database. The blue marker is this model and the grey line is the Harley-Davidson database average.
About 13% higher than the Harley-Davidson database average. Around the 64th percentile across Harley-Davidson models.
About 9% heavier than the Harley-Davidson database average. Around the 69th percentile across Harley-Davidson models.
Very close to the Harley-Davidson database average. Around the 28th percentile across Harley-Davidson models.
About 11% larger than the Harley-Davidson database average. Around the 63rd percentile across Harley-Davidson models.
Harley-Davidson database percentile rankings
Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.
1,442 cc — larger displacement than about 64% of Harley-Davidson models.
341.1 kg — heavier than about 69% of Harley-Davidson models, or lighter than about 31%.
663 mm — taller than about 28% of Harley-Davidson models.
18.9 L — larger than about 63% of Harley-Davidson fuel tanks in this database.
Dimensions compared with Harley-Davidson average
Each measurement is compared with the average value across Harley-Davidson models where that dimension is available.
2,380
2,376
Close to average.
1,613
1,599
Close to average.
663
689
4% below average.
119
128
7% below average.
Mechanical overview
Additional useful specifications
| Front tire size | MT90-B16 |
|---|---|
| Rear tire size | MU85-B16 |
| Estimated theoretical fuel range | 346 km |
| Bore/stroke ratio | 0.94:1 (Undersquare) |
Model information
| Category | Custom / cruiser |
|---|
Engine specifications
| Engine type | V2, four-stroke |
|---|---|
| Displacement | 1442.2 cc (88.00 cu in) |
| Torque | 116.6 Nm (11.9 kgf-m or 86.0 ft.lbs) @ 3,500 rpm |
| Bore × stroke | 95.3 x 101.6 mm (3.8 x 4.0 inches) |
| Compression ratio | 8.9:1 |
| Cooling system | Air |
| Fuel system | Carburettor. 40 mm |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Belt (final drive) |
| Clutch | Multi-plate with diaphragm spring in oil bath |
Chassis and suspension
| Rake | 26.0° |
|---|---|
| Trail | 157 mm (6.2 inches) |
Brakes, wheels and tires
| Front brakes | Double disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | MT90-B16 |
| Rear tire | MU85-B16 |
Dimensions and weight
| Wet weight | 341.1 kg (752 lb) |
|---|---|
| Dry weight | 327 kg (721 lb) |
| Seat height | 663 mm (26.1 inches) |
| Alternate seat height | 688 mm (27.1 inches) If adjustable, highest setting. |
| Overall length | 2,380 mm (93.7 inches) |
| Wheelbase | 1,613 mm (63.5 inches) |
| Ground clearance | 119 mm (4.7 inches) |
Fuel and emissions
| Fuel capacity | 18.92 L (5.00 US gal) |
|---|---|
| Fuel consumption | 5.47 L/100 km (18.3 km/l or 43.00 mpg) |
| Greenhouse gases | 126.9 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Other specifications
| Color options | Vivid black, black cherry, black pearl, deep cobalt, glacier white pearl, rich sunglo blue, yellow pearl, brandy wine sunglo |
|---|---|
| Exhaust system | Chrome, cross-over duals |
| Price as new | US$ 17195. MSRP depends on country, taxes, accessories, etc. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Harley-Davidson models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Harley-Davidson information before relying on them. Visit the official Harley-Davidson website.