Harley-Davidson FLHRCI Road King Classic - 2006 Specifications and Reviews

The 2006 Harley-Davidson FLHRCI Road King Classic is a heritage cruiser built for riders seeking classic styling with modern reliability. Its 1442cc V-twin engine delivers strong low-end torque ideal for relaxed highway cruising, while fuel injection ensures dependable starting and smooth performance. Best known for timeless design and comfortable long-distance touring capability.

4 stars Average rating: 4 from 3 votes
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General information

CategoryCustom / cruiser
Year2006
ModelHarley-Davidson FLHRCI Road King Classic
 
 

Engine and Transmission Specifications

ClutchMulti-plate clutch with diaphragm spring in oil bath
Transmission typefinal driveBelt
Gearbox5-speed
Cooling systemAir
Fuel controlDOHC
Valves per cylinder2
Fuel systemInjection. Electronic Sequential Port Fuel Injection (ESPFI)
Bore x stroke95.3 x 101.6 mm (3.8 x 4.0 inches)
Compression8.9:1
Torque116.61
Stroke4
Engine typeV2
Capacity:1442.15 ccm (88.00 cubic inches)

Physical measures and capacities

Wheelbase1,613 mm (63.5 inches)
Ground clearance130 mm (5.1 inches)
Overall length2,380 mm (93.7 inches)
Alternate seat height739 mm (29.1 inches) If adjustable, highest setting.
Seat height683 mm (26.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc336.1 kg (741.0 pounds)
Dry weight322.1 kg (710.0 pounds)
 
 

Harley-Davidson FLHRCI Road King Classic dimensions and frame

Exhaust systemChrome, cross-over duals
Rear brakesSingle disc
Front brakesDouble disc
Rear tyre dimensionsMU85-B16
Front tyre dimensionsMT90-B16
Trail157 mm (6.2 inches)
Rake (fork angle)26.0°

Speed and acceleration

Color optionsVivid black, brilliant silver, black cherry, chopper blue, rich sunglo blue, brandy wine sunglo, two-tone rich sunglo blue and chopper blue, two-tone black cherry and black pearl, two-tone fire red pearl and vivid black, two-tone deep cobalt and brilliant
Fuel capacity18.92 litres (5.00 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

5.8s
0-60 mph (est.)

Best For

Track10%
City45%
Cornering35%
Daily Riding60%
Touring90%
Passenger80%

Rider Profile

Best ForBest suited to riders who already have some experience with heavy motorcycles, as the low-end weight and long wheelbase reward a confident, deliberate riding style.
PurposeBuilt for relaxed highway cruising and long-distance touring rather than outright speed or sporty handling.
Rider FitThe low seat height makes it approachable for shorter riders, but the substantial dry weight demands solid low-speed balance and upper-body strength when maneuvering at a stop.
CharacterA classic big-twin cruiser that delivers strong torque and a deep exhaust rumble, prioritizing laid-back comfort and traditional Harley-Davidson styling over performance.
Not Ideal ForNot the right choice for riders seeking nimble cornering, off-road capability, or a light, flickable machine for tight city traffic.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 683mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2006 Harley-Davidson FLHRCI Road King Classic, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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