The Ducati 125 Gran Sport “Marianna” motorcycle was produced in 1955 and has a four stroke, single-cylinder, OHC engine. With a capacity of 122cc, it has a compression ratio of 8.5:1 and is cooled by air. The motorcycle uses a Dell’Orto SS1 carburetor and a battery and coil ignition system. The kick start engine has a max power of 8.9 kW at 9800 rpm and is fitted with a 4-speed transmission and wet, multi-plate clutch. The bike comes with hydraulic telescopic forks for its front suspension and swingarm dual shocks for its rear suspension. Its front and rear brakes consist of drum brakes, Amadori. With its 2.50-18 front and rear tires and a wheelbase of 1250mm, the bike has a dry weight of 85kg and a fuel capacity of 16 liters. The 125 Gran Sport Marianna has a top speed of 150km/h (93mph).
Technical specifications:
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 |
