Road King

1999 Harley-Davidson Road King Technical Analysis & Specification Breakdown

Built around Harley-Davidson's custom - cruiser motorcycle platform, the 1999 Harley-Davidson Road King utilizes a 1450 cc (88.5 cu in) air-cooled v2, four-stroke layout. In factory specification, peak output is rated at 68 HP (49.6 kW) at 5,400 rpm, transferring power to the rear wheel through a 5-speed gearbox and belt final drive. With a specific output of 46.9 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the Road King measures 329 kg (725 lbs) dry, translating to a power-to-weight ratio of 0.21 HP/kg (4.84 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,592 mm (62.7 in) wheelbase engineered for planted straight-line stability. The 18.9-liter (5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 155 km/h (96 mph).

Within MotoLibrary's Harley-Davidson archive, this model family spans 13 indexed model years from 1996 to 2022, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.