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Ducati 50 SL and variants

Make Model	Ducati 50 SL / 50 SL/1 / 50 SL/1A / 50 SL2A
Year	1966 - 68
Engine	Two-stroke, single cylinder, piston port
Capacity	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
Induction	Dell'Orto SHA 14/12 carburetor
Ignition	6V 18W flywheel magneto, 16-18
Starting	Kick
Max Power	3.1 kW / 4.2 hp @ 8600 rpm
Clutch	Wet, multiplate
Transmission	four Speed
Final Drive	Chain
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