2006 Harley Davidson Road King Classic Specifications

The Harley-Davidson Road King Classic is a ‘stunning’ motorcycle.

Harley-Davidson introduced the Road King for the 1994 model year. The Road King Classic was added to the line in the 1998 model year. Harley increased the engine size on the Road King line from 1,340cc to 1,450cc for the 1999 model year. For the 2007 models Harley upped the engine size yet again, this time to 1,548cc. Top Speed calls the 2006 Harley-Davidson Road King Classic “a stunning motorcycle, and always ready for the open road.”

Engine Specs

The 2006 Harley-Davidson Road King Classic was the last model year for the 1,450cc, OHV, air-cooled, twin-cylinder engine with two valves per cylinder. Harley-Davidson’s 45mm Fuel System4 Electronic Sequential Port Fuel Injection (ESPFI) system delivers fuel to the engine. The Road King Classic is equipped with an electric starter.

Transmission Specs

A five-speed (one down, four up) transmission delivers power to the rear wheel via a belt final drive system. The Road King Classic has a heel-toe shifter. As with most motorcycles, the 2006 Road King Classic is equipped with a wet multi-disc clutch.


The Road King Classic is built around a steel square section backbone frame with twin downtubes. Leather-wrapped rigid saddlebags, a detachable windshield, rider and passenger floorboards and cruise control are standard on the Road King Classic. The 41.3mm telescopic front fork and two adjustable rear shock absorbers provide the suspension. The Road King Classic’s front brakes are dual disc and the rear is a single disc. The instrument panel includes a speedometer, odometer, tripmeter and fuel gauge with a low fuel warning light. In 2006, the Road King Classic was offered in 10 color combinations.


The 2006 Harley-Davidson Road King Classic is 93.7 inches long with a 63.5-inch wheelbase and a ground clearance of 5.1 inches. The rider sits 29.5 inches off the ground. The fuel tank holds 5 gallons and the motorcycle’s dry weight is 710 pounds.