Ducati 250 Mark 3 (1964-67)

Make Model: Ducati 250 Mark 3


Year: 1964 – 67
Engine: Four stroke, single cylinder, Desmo SOHC, bevel gear-drive
Capacity: 248.6 cc / 15.2 cu in
Bore x Stroke: 74 x 57.8 mm
Compression Ratio: 10:1
Cooling System: Air cooled
Induction: 1964: Dell’Orto SS1 27A carburetor 1965 onwards: Dell’Orto SS1 29A carburetor
Ignition: 1964-66: 6V 60W generator 1967: 6V 60W
Spark Plug: Marelli CW260N
Starting: Kick
Max Power: 22.4 kW / 30 hp @ 8000 rpm
Clutch: Wet, multi-plate
Primary Drive Ratio: 2.500:1
Transmission: 5 Speed
Gear Ratios: 1st 2.53 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1
Final Drive: Chain
Final Drive Ratio: 1964: 18/43 1965 onwards: 18/40
Frame: Single downtube, open frame with large diameter backbone tube
Front Suspension: Hydraulic telescopic fork, Ducati 31.5 mm
Rear Suspension: Swingarm, dual shocks, Marzocchi
Front Brakes: Drum, 180 mm

Rear Brakes: Drum, 160 mm
Front Tyre: 2.50-18
Rear Tyre: 2.750-18
Dimensions: Length: 2000 mm / 78.7 in Height 1964: 1090 mm / 42.9 in Height: 1965 onwards: 1070 m / 42.1 in
Wheelbase: 1964: 1320 mm / 52 in 1965 onwards: 1350 mm / 53.1 in
Seat Height: 750 mm / 29.5 in
Dry Weight: 1964: 110 kg / 243 lbs 1965 onwards: 112 kg / 247 lbs
Fuel Capacity: 13 L / 3.4 US gal / 2.9 Imp gal
Top Speed: 177 km/h / 110 mph


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