450 Mark 3

1971 Ducati 450 Mark 3 Technical Analysis & Specification Breakdown

Engineered by Ducati for the sport touring motorcycle segment, the 1971 Ducati 450 Mark 3 relies on a 435 cc (26.5 cu in) air-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 27 HP (19.7 kW) at 7,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 62.1 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 450 Mark 3 measures 139 kg (306 lbs) wet (curb), translating to a power-to-weight ratio of 0.19 HP/kg (5.15 kg per horsepower). The 13-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 145 km/h (90 mph).

Within MotoLibrary's Ducati archive, this model family spans 5 indexed model years from 1970 to 1974, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.