Jubilee

1965 Norton Jubilee Technical Analysis & Specification Breakdown

Engineered by Norton for the allround motorcycle segment, the 1965 Norton Jubilee pairs a 249 cc (15.2 cu in) air-cooled twin, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 11.7 HP (8.5 kW) at 7,750 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 47 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 Jubilee measures 150 kg (331 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.82 kg per horsepower).

Within MotoLibrary's Norton archive, this model family spans 8 indexed model years from 1958 to 1966, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.