Ducati 250 DIANA: history, specs, pictures

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Ducati 250 DIANA
Production 1961
Class Sport Bike
Single cylinder, four-stroke,Desmo SOHC
Bore / Stroke 73.7mm x 73.7mm
Compression ratio 8.0:1
Horsepower 19.44 HP (14.5 KW) @ 7550RPM
Fuel System Carburetor
Transmission Gear box: 4-Speed

Final Drive: Chain

Clutch: Wet Multi-plate
Suspension Front: Hydraulic telescopic fork
Rear: Swingarm, dual shocks
Brakes Front: Drum
Rear: Drum
Front Tire 2.75-18
Rear Tire 3.00-18
Wheelbase 52.01 inches (1321 mm)
Length 78.7 inches (1999 mm)
Seat Height 29.49 inches (749 mm)
Weight 133.0 kg (wet)
Manuals Service Manual

The Ducati 250 DIANA was a Single cylinder, four-stroke,Desmo SOHC Sport Bike motorcycle produced by Ducati in 1961. Claimed horsepower was 19.44 HP (14.5 KW) @ 7550 RPM.

Engine[edit | edit source]

A 73.7mm bore x 73.7mm stroke result in a displacement of just 248.6 cubic centimeters.

Drive[edit | edit source]

The bike has a 4-Speed transmission. Power was moderated via the Wet Multi-plate.

Chassis[edit | edit source]

It came with a 2.75-18 front tire and a 3.00-18 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The front suspension was a Hydraulic telescopic fork while the rear was equipped with a Swingarm, dual shocks. The wheelbase was 52.01 inches (1321 mm) long.

1961 - 1964 Ducati 250 DIANA[edit | edit source]

The horsepower output from the 250 Diana reaches 24 ponies and was capable of blasting off at a top speed of 85 mph. Eventually, the 250 Diana’s success spawned itself into a new model - the Mark 3 Super Sport - one that was more than adept at producing a stout 30 horsepower and mated to a five-speed transmission.