Ducati 350 Desmo (1970-72)

The Ducati 350 Desmo motorcycle was made between 1970 and 1972, and has a four-stroke, single-cylinder, SOHC engine with a capacity of 340.2cc. It has a compression ratio of 10:1 and uses a Dell’Orto SS1 29D induction system. The ignition is points and coil, but was upgraded to electronic after 1973, and the spark plug is a Marelli CW260N/Lodge 2HN. The motorcycle has a SAFA 3L3 or Yuasa B38 battery and is started by kick. It has a maximum power of 17.7 kW/24 hp at 8500 rpm and a 5-speed transmission with a primary drive ratio of 2.111:1. The gear ratios are 1st: 2.46, 2nd: 1.73, 3rd: 1.35, 4th: 1.10, 5th: 0.97, and a final drive ratio of 2.60:1 (16/42) with chain final drive. The front suspension is a 35mm Marzocchi hydraulic telescopic fork and the rear suspension is a swingarm with Marzocchi dual shocks that’s 3-way adjustable. The bike has a front drum brake size of 180mm and a rear brake size of 160mm. The front tire is 2.75-18 and the rear tire is 3.25-18. The bike measures 2000mm in length, 600mm in width, and 940mm in height. It has a wheelbase of 1360mm, a seat height of 735mm, a dry weight of 128kg, and a fuel capacity of 13L. This motorcycle was included in a Bike Group Test road test.

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Technical specifications:

Make Model: Ducati 350 Desmo

Year: 1970 – 72

Engine: Four stroke, single cylinder, SOHC

Capacity: 340.2 cc / 20.8 cu in

Bore x Stroke: 76 x 75 mm

Compression Ratio: 10.0:1

Induction: Dell’Orto SS1 29D

Ignition: Points and coil (electronic after 1973)

Spark Plug: Marelli CW260N / Lodge 2HN

Battery: SAFA 3L3, 13.5 Ah / Yuasa B38

Starting: Kick

Max Power: 17.7 kW / 24 hp @ 8500 rpm

Transmission: 5 Speed

Primary Drive Ratio: 2.111:1

Gear Ratios: 1st 2.46 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97

Final Drive Ratio: 2.60:1 (16/42)

Final Drive: Chain

Front Suspension: 35 mm Marzpcchi hydraulic telescopic fork

Rear Suspension: Swingarm, Marzocchi dual shocks, 3-way adjustable

Front Brakes: 180 mm Drum

Rear Brakes: 160 mm Drum

Front Tyre: 2.75-18

Rear Tyre: 3.25-18

Dimensions: Length: 2000 mm / 78.7 in Width: 600 mm / 23.6 in Height: 940 mm / 37.0 in

Wheelbase: 1360 mm / 53.5 in

Seat Height: 735 mm / 29.0 in

Dry Weight: 128 kg / 282 lbs

Fuel Capacity: 13 L / 3.4 US gal / 2.9 Imp gal

Road Test: Bike Group Test