Atlas

1963 Norton Atlas Technical Analysis & Specification Breakdown

Positioned in Norton's allround motorcycle lineup, the 1963 Norton Atlas features a 745 cc (45.5 cu in) air-cooled twin, four-stroke configuration. In factory specification, peak output is rated at 58 HP (42.3 kW) at 6,800 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 77.9 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Atlas measures 185 kg (408 lbs) wet (curb), translating to a power-to-weight ratio of 0.31 HP/kg (3.19 kg per horsepower).

Within MotoLibrary's Norton archive, this model family spans 8 indexed model years from 1962 to 2021, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.