322

1958 Hercules 322 Technical Analysis & Specification Breakdown

Positioned in Hercules's sport motorcycle lineup, the 1958 Hercules 322 relies on a 246 cc (15 cu in) air-cooled twin, two-stroke powerplant. In factory specification, peak output is rated at 15.1 HP (11 kW) at 5,000 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 61.4 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

Within MotoLibrary's Hercules archive, this model family spans 6 indexed model years from 1953 to 1958, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.