Technical specifications
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| Model: |
250 Mark 3 |
| Years: |
1964-67 |
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Engine:
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Four stroke, single cylinder, Desmo SOHC, bevel gear-drive
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Capacity:
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248.6 cc / 15.2 cu in
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Bore x Stroke:
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74 x 57.8 mm
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Compression Ratio:
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10:1
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Cooling System:
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Air cooled
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Induction:
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1964: Dell'Orto SS1 27A carburetor 1965 onwards: Dell'Orto SS1 29A carburetor
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Ignition:
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1964-66: 6V 60W generator 1967: 6V 60W
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Spark Plug:
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Marelli CW260N
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Starting:
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Kick
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Max Power:
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22.4 kW / 30 hp @ 8000 rpm
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Clutch:
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Wet, multi-plate
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Primary Drive Ratio:
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2.500:1
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Transmission:
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5 Speed
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Gear Ratios:
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1st 2.53 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1
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Final Drive:
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Chain
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Final Drive Ratio:
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1964: 18/43 1965 onwards: 18/40
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Frame:
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Single downtube, open frame with large diameter backbone tube
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Front Suspension:
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Hydraulic telescopic fork, Ducati 31.5 mm
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Rear Suspension:
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Swingarm, dual shocks, Marzocchi
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Front Brakes:
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Drum, 180 mm
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Rear Brakes:
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Drum, 160 mm
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Front Tyre:
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2.50-18
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Rear Tyre:
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2.750-18
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Dimensions:
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Length: 2000 mm / 78.7 in Height 1964 : 1090 mm / 42.9 in Height: 1965 onwards: 1070 m / 42.1 in
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Wheelbase:
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1964: 1320 mm / 52 in 1965 onwards: 1350 mm / 53.1 in
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Seat Height:
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750 mm / 29.5 in
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Dry Weight:
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1964: 110 kg / 243 lbs 1965 onwards: 112 kg / 247 lbs
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Fuel Capacity:
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13 L / 3.4 US gal / 2.9 Imp gal
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Top Speed:
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177 km/h / 110 mph
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