Ducati 50 SL and variants




Make Model.

Ducati 50 SL / 50 SL/1 / 50 SL/1A / 50 SL2A


1966 - 68


Two-stroke, single cylinder, piston port


49.7 cc / 3.0cu in
Bore x Stroke 38.8 x 42 mm
Compression Ratio 9.5:1 or 11:1

Cooling System

Air cooled


Dell'Orto SHA 14/12 carburetor


6V 18W flywheel magneto, 16-18



Max Power

3.1 kW / 4.2 hp @ 8600 rpm


Wet, multiplate


four Speed

Final Drive

Frame Tubular steel, dual cradle

Front Suspension

Telescopic fork

Rear Suspension

Swingarm, twin shocks

Front Brakes

Drum, 105 mm

Rear Brakes

Drum, 105 mm

Front Tyre

2.25 x 19

Rear Tyre

2.25 x 19

Dry Weight

58 kg / 128 lbs

Top Speed

80 km/h / 50 mph

The look of the Ducati 50 Sport SL1 might not tickle the taste buds of today’s generation, but back in the day, this road-runner was a bonafide stud on the road.

The 50 Sport SL1 was one of the last 50-cc Ducati Sports ever built. Quite frankly, the SL1 was one of the most elegant of this variant, boasting of a design that became popular in its time. On top of that, it also carried a moderate 50 cc single cylinder, two-stroke engine that was mated to a four speed transmission. It also weighed only 100 lbs, which means that it was capable of hitting a top speed of 50 mph. It also had twin fuel fillers on the

Photo: Phil Aynsley