Ducati 125 Gran Sport Marianna (1955)

Make Model: Ducati 125 Gran Sport “Marianna”


Year: 1955
Engine: Four stroke, single-cylinder, OHC, driven by shaft and gevel gears, 33 mm inlet valve, 29 mm exhaust valve
Capacity: 122 cc / 7.4 cu in
Bore x Stroke: 55.5 x 52 mm
Compression Ratio: 8.5:1
Cooling System: Air cooled
Lubrication System: Forced oil sump
Induction: Dell’Orto SS1 carburetor
Ignition: Battery and coil
Starting: Kick
Max Power: 8.9 kW / 12 hp @ 9800 rpm
Transmission: 4 Speed
Clutch: Wet, multi-plate
Final Drive: Chain
Front Suspension: Hydraulically damped telescopic forks
Rear Suspension: Swingarm, dual shocks
Front Brakes: Drum, Amadori
Rear Brakes: Drum, Amadori
Front Tyre: 2.50 -18
Rear Tyre: 2.50 -18
Wheelbase: 1250 mm / 49.2 in

Dry Weight: 85 kg / 187 lbs
Fuel Capacity: 16 L / 4.2 US gal / 3.5 Imp gal
Top Speed: 150 km/h / 93 mph


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