America

2003 Triumph America Technical Analysis & Specification Breakdown

At the heart of the 2003 Triumph America classic motorcycle, Triumph relies on a 790 cc (48.2 cu in) air-cooled twin, four-stroke powerplant. In factory specification, peak output is rated at 62 HP (45.3 kW) at 7,400 rpm while maximum torque reaches 60 Nm (44.3 lb-ft) at 3,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 78.5 HP per liter and a 3,900 rpm working window between peak torque (3,500 rpm) and peak power (7,400 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the America measures 250 kg (551 lbs) wet (curb), translating to a power-to-weight ratio of 0.25 HP/kg (4.03 kg per horsepower). Rider ergonomics and chassis geometry center around a 720 mm (28.3 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,655 mm (65.2 in) wheelbase engineered for planted straight-line stability. The 16.6-liter (4.4 US gal) fuel tank paired with a rated consumption of 5 L/100 km provides an estimated theoretical range of roughly 332 km (206 miles) between fill-ups, while factory top speed is listed at 179 km/h (111 mph).

Within MotoLibrary's Triumph archive, this model family spans 14 indexed model years from 2003 to 2016, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.