
Ducati 250 Diana
Key specifications
Overview
Introducing the 1966 Ducati 250 Diana, a quintessential representation of the golden era of Italian motorcycles. Positioned in the sport category, this classic bike is a tribute to the spirited design and engineering philosophy that Ducati is renowned for. With its sleek lines and striking aesthetics, the 250 Diana captured the hearts of both racing enthusiasts and casual riders alike, earning a reputation for its exhilarating performance and light handling. This motorcycle is not just a means of transportation; it is a statement of freedom and adventure, beckoning riders to explore the open road. At the heart of the Ducati 250 Diana lies a spirited single-cylinder, four-stroke engine, boasting a displacement of 249 cc that delivers a robust 19 horsepower at 7,750 RPM. This engine configuration, combined with an 8.0:1 compression ratio, ensures a thrilling ride, allowing the motorcycle to reach a top speed of 150 km/h (93.2 mph). The Dell’Orto 29mm carburettor optimizes fuel delivery, while the air cooling system keeps the engine running smoothly even during spirited rides. The lightweight design, tipping the scales at just 135 kg (297.6 pounds), contributes to its exceptional power-to-weight ratio of 0.1407 HP/kg, making the 250 Diana remarkably agile and responsive in the twisties. The 250 Diana features a host of key components that reflect the technology of its time. The front and rear expanding drum brakes, measuring 180 mm and 160 mm respectively, offer reliable stopping power, while the hydraulic telescopic forks and dual shock absorbers provide a comfortable ride over varied terrains. With a fuel capacity of 13 liters (3.43 gallons), this motorcycle strikes a balance between performance and practicality, allowing for longer rides without frequent stops for refueling. Its elegant design, coupled with the functional aspects of the suspension and braking systems, ensures that riders can enjoy both style and substance. **
Pros
- Lightweight and Agile: At just 135 kg, the 250 Diana is easy to maneuver, making it ideal for both city commuting and spirited country rides.
- Classic Italian Design: The bike's aesthetic captures the essence of 1960s motorcycling, appealing to vintage enthusiasts and collectors alike.
- Responsive Engine: The single-cylinder engine provides a peppy performance, ensuring an engaging riding experience with a top speed of 150 km/h.
Cons
- Drum Brakes: While adequate for its time, the drum brakes may not offer the stopping power and modulation that modern riders expect.
- Limited Power: With 19 HP, the performance may feel modest compared to contemporary sport bikes, limiting its appeal for those seeking high-speed thrills.
- Basic Technology: The absence of advanced features such as modern fuel injection or ABS may deter riders looking for the latest in motorcycle technology.
Technical details
Source specification data
- Make
- Ducati
- Model
- 250 Diana
- Category
- Sport
- Power
- 19.00 HP (13.9 kW)) @ 7750 RPM
- Top Speed
- 150.0 km/h (93.2 mph)
- Fuel System
- Carburettor. DellÓrto 29mm carbs
- Bore X Stroke
- 74.0 x 57.8 mm (2.9 x 2.3 inches)
- Compression
- 8.0:1
- Displacement
- 249.00 ccm (15.19 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, four-stroke
- Transmission Type Final Drive
- Chain
- Dry Weight
- 135.0 kg (297.6 pounds)
- Fuel Capacity
- 13.00 litres (3.43 gallons)
- Power Weight Ratio
- 0.1407 HP/kg
- Seat
- Dual seat
- Rear Tyre
- 3.00-18
- Front Tyre
- 2.75-18
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- Dual choks
- Front Suspension
- Hydralic telescopic forks
- Rear Brakes Diameter
- 160 mm (6.3 inches)
- Front Brakes Diameter
- 180 mm (7.1 inches)