The Ducati 350 Mark 3D motorcycle was produced from 1971 to 1975 and had a four-stroke, single-cylinder engine with a capacity of 340.2cc. The compression ratio was 10.0:1 and it had a Dell’Orto SS129D induction system, points ignition, and a 6V30W generator. The kick-started bike had a maximum power output of 24.8 kW at 8500 rpm and was equipped with a wet multiplate clutch, a 5-speed transmission, and a chain final drive with a ratio of 3.214:1. It had a front suspension system made up of a 35 mm Marzocchi telescopic hydraulic fork, while the rear suspension consisted of a swingarm and twin Marzocchi shocks that were 3-way adjustable. Braking was provided by 180 mm and 160 mm drums at the front and rear respectively, while the tyres were 2.75-18 at the front and 3.00-18 at the rear. The motorcycle had a length of 2000 mm, a width of 600 mm, and a height of 940 mm, with a dry weight of 128 kg. The fuel capacity was 15 litres and the bike had a top speed of 170 km/h.
Technical specifications:
Make Model: Ducati 350 Mark 3
| Year | 1971 – 75 |
|---|---|
| Engine | Four stroke, single cylinder, SOHC, bevel gear driven |
| Capacity | 340.2cc / 20.8 cu in |
| Bore x Stroke | 76 x 75 mm |
| Compression Ratio | 10.0:1 |
| Induction | Dell’Orto SS129D |
| Ignition | Points, coil, 6V30W generator |
| Battery | Yuasa B38 12Ah |
| Spark Plug | Marelli CW260N / Lodge 2HN |
| Starting | Kick |
| Max Power | 24.8 kW / 34 hp @ 8500 rpm |
| Clutch | Wet, multiplate |
| Primary Drive Ratio | 2.111:1 |
| Transmission | 5 Speed |
| Gear Ratios | 1st 2.46 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1 |
| Final Drive | Chain |
| Final Drive ratio | 3.214:1 |
| Front Suspension | 35 mm Marzocchi telescopic hydraulic fork |
| Rear Suspension | Swingarm, Twin Marzocchi shocks, 3-way adjustable |
| Front Brakes | 180 mm Drum |
| Rear Brakes | 160 mm Drum |
| Front Tyre | 2.75-18 |
| Rear Tyre | 3.00-18 |
| Dimensions | Length: 2000 mm / 78.7 in Width: 600 mm / 23.6 in Height: 940 mm / 37.0 in |
| Seat Height | 735 mm / 28.9 in |
| Dry Weight | 128 kg / 282 lbs |
| Fuel Capacity | 15 Litres / 4.0 US gal / 3.3 Imp gal |
| Top Speed | 170 km/h / 106 mph |
