Built around Ducati's sport motorcycle platform, the 1965 Ducati 250 Diana utilizes a 249 cc (15.2 cu in) air-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 19 HP (13.9 kW) at 7,750 rpm, transferring power to the rear wheel through chain final drive. With a specific output of 76.3 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 250 Diana measures 135 kg (298 lbs) dry, translating to a power-to-weight ratio of 0.14 HP/kg (7.11 kg per horsepower).
Within MotoLibrary's Ducati archive, this model family spans 7 indexed model years from 1961 to 1967, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
