Ducati 250 Diana Mark 3 (1962-64)

The Ducati 250 Diana Mark 3 is a four-stroke, single cylinder motorcycle produced between 1962 and 1964. It features a Desmo SOHC, bevel gear-driven engine with a capacity of 248.6 cc and a compression ratio of 10.0:1. The bike has a Dell’Orto SS1 27A carburetor induction and 6V 40W generator, magneto ignition which is started by kick. It produces a maximum power of 22.4 kW / 19.5 hp @ 8300 rpm. The motorcycle is equipped with a four-speed transmission and chain final drive. The front suspension consists of Ducati 31.5 mm hydraulic telescopic forks while the rear suspension is swingarm with dual shocks and 3-way adjustable. It has a front and rear drum brakes with a size of 180 mm and 160 mm, respectively. The front and rear tires are 2.50 -18 and 2.75 -18, respectively. The bike has a length of 2000 mm, width of 580 mm, height of 1090 mm, wheelbase of 1320 mm, seat height of 750 mm, and dry weight of 110 kg. It has a fuel capacity of 17 L and can reach a top speed of 177 km/h. Overall, the Ducati 250 Diana Mark 3 is a classic motorcycle with a unique design and high performance capabilities.

Technical specifications:

Make Model: Ducati 250 Diana Mark 3

Year: 1962 – 64
Engine: Four stroke, single cylinder, Desmo SOHC, bevel gear-driven
Capacity: 248.6 cc / 15.2 cu in
Bore x Stroke: 74 x 57.8 mm
Compression Ratio: 10.0:1
Induction: Dell’Orto SS1 27A carburetor
Ignition: 6V 40W generator, magneto
Spark Plug: Marelli CW260A
Starting: Kick
Max Power: 22.4 kW / 19.5 hp @ 8300 rpm
Primary Drive Ratio: 2.500:1
Transmission: 4 Speed
Gear Ratios: 1 st 2.75 / 2nd 1.65 / 3rd 1.18 / 4th 0.97:1
Final Drive: Chain
Final Drive Ratio: 2.647:1
Front Suspension: Ducati 31.5 mm hydraulic telescopic forks
Rear Suspension: Swingarm, dual chocks, 3-way adjustable
Front Brakes: 180 mm Drum
Rear Brakes: 160 mm Drum
Front Tyre: 2.50 -18
Rear Tyre: 2.75 -18
Dimensions: Length: 2000 mm / 78.7 in Width: 580 mm / 22.6 in Height: 1090 mm / 42.9 in
Wheelbase: 1320 mm / 52.0 in
Seat Height: 750 mm / 29.5 in
Dry Weight: 110 kg / 242 lbs
Fuel Capacity: 17 L / 4.5 US gal / 3.7 Imp gal
Top Speed: 177 km/h / 110 mph