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Ducati · 1961–1967

1964 Ducati 250 Diana

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1964 Ducati 250 Diana

Specifications

Category
Sport
Displacement
249.0 ccm (15.19 cubic inches)
Displacement (cc)
249.00
Engine details
Single cylinder, four-stroke
Power
19.0 HP (13.9 kW)) @ 7750 RPM
Top speed
150.0 km/h (93.2 mph)
Compression
8.0:1
Bore × stroke
74.0 x 57.8 mm (2.9 x 2.3 inches)
Fuel system
Carburettor. DellÓrto 29mm carbs
Fuel control
Desmodromic valve control
Cooling
Air
Transmission
Chain   (final drive)
Front suspension
Hydralic telescopic forks
Rear suspension
Dual choks
Front tyre
2.75-18
Rear tyre
3.00-18
Front brakes
Expanding brake (drum brake)
Front brake Ø
180 mm (7.1 inches)
Rear brakes
Expanding brake (drum brake)
Rear brake Ø
160 mm (6.3 inches)
Dry weight
135.0 kg (297.6 pounds)
Fuel capacity
13.00 litres (3.43 US gallons)
Auction record
Average sale
Sales
0
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The 1964 Ducati 250 Diana

The 1964 Ducati 250 Diana represented the mid-range sport offering in Ducati's lineup, balancing performance aspirations with everyday usability. This quarter-liter single delivered genuine sporting character that rewarded committed riding while remaining approachable for intermediate riders stepping up from smaller machines. With its 93 mph top speed capability, the Diana offered real highway performance wrapped in classic Italian styling that emphasized function over flash. The bike demanded rider engagement — this wasn't transportation so much as a partnership between machine and pilot that paid dividends on winding roads and weekend tours.

The 1964 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1963 example should focus on mileage, service history, and condition rather than spec differences. This was the Diana's final production year, marking the end of an era for Ducati's mid-displacement sport bikes.

Today's Ducati 250 Diana attracts vintage sport bike enthusiasts who appreciate authentic Italian engineering from the marque's formative years. These machines appeal to collectors seeking moderate investment potential and riders who want classic Ducati character without the premium pricing of larger-displacement models from the same period.

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