Ducati 100 Gran Sport Marianna (1955-58)

Make Model: Ducati 100 Gran Sport “Marianna”


Year: 1955 – 58
Engine: Four stroke, single-cylinder, OHC, shaft and bevel gears, 31 mm inlet valve, 27 mm exhaust valve
Capacity: 99.66 cc / 6.08 cu in
Bore x Stroke: 49.4 x 52 mm
Compression Ratio: 8.5:1
Cooling System: Air cooled
Lubrication System: Forced oil sump
Induction: Dell’Orto SS1, 20 mm
Ignition: Battery coil
Starting: Kick
Max Power: 6.7 kW / 9 hp @ 9000 rpm
Clutch: Wet, multi-plate
Transmission: 4 Speed
Final Drive: Chain
Frame: Single tube, open cradle frame in tubular steel
Front Suspension: Hydraulically damped telescopic forks
Rear Suspension: Swingarm, dual shocks
Front Brakes: Drum, Amadori
Rear Brakes: Drum, Amadori
Front Tyre: 2.75 -17
Rear Tyre: 2.75 -17

Wheelbase: 1250 mm / 49.2 in
Dry Weight: 80 kg / 176 lbs
Top Speed: 130 km/h / 81 mph


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