Vespa 50 Super Sprint (1965-73)

The Vespa 50 Super Sprint was a popular motorcycle produced from 1965-73. It had a two-stroke, single cylinder engine with a capacity of 49.8 cc / 3.0 cub in, and a compression ratio of 7.2:1. The carburettor was a Dell’Orto 16, and the cooling was air-cooled with a centrifugal fan. The ignition was a flywheel magneto and it had a kick start. The clutch was oil bath with a multi-plate and the transmission was a four-speed grip shift. The frame was made of pressed sheet steel with a streamlined monocoque structure. The suspension consisted of a trailing arm, coil spring, and damper for the front, and coil spring and damper for the rear. The front and rear brakes were 125 mm drums. The wheels were pressed steel flanges, and it had a front and rear tyre of 3 x 10″. The motorcycle was 1655 mm / 65.2 in in length, 550 mm / 21.7 in in width, and had a wheelbase of 1166 mm / 45.9 in. The dry weight was 81 kg / 179 lbs, and the fuel capacity was 5.6 L / 1.5 US gal. The consumption average was 2.2 L/100 km / 45.5 km/l / 107 US mpg, and the top speed was 70 km/h / 43.5 mph.

Technical specifications:

Make Model: Vespa 50 Super Sprint

Year: 1965-73
Engine: Two stroke, single cylinder
Capacity: 49.8 cc / 3.0 cub in
Bore x Stroke: 38.4 x 43 mm
Compression Ratio: 7.2:1
Mixture: 1:50
Carburettor: Dell’Orto 16
Cooling: Air cooled with centrifugal fan
Battery: 1 x 6V – 9.5 Ah batteries
Induction: Rotary valve
Ignition: Flywheel magneto
Starting: Kick start
Spark Plug: Bosch W225 T1
Clutch: Oil bath, multi plate
Max Power: 2.7 kW / 3.7 Hp @ 7000 rpm
Transmission: 4 Speed, grip shift
Final Drive: Direct drive
Frame: Pressed sheet steel with streamlined monocoque structure
Front Suspension: Trailing arm, coil spring, damper
Rear Suspension: Coil spring, dampter
Front Brakes: 125 mm drum
Rear Brakes: 125 mm drum
Wheels: Pressed steel flanges
Front Tyre: 3 x 10″
Rear Tyre: 3 x 10″
Dimensions: Length: 1655 mm / 65.2 in Width: 550 mm / 21.7 in
Wheelbase: 1166 mm / 45.9 in
Dry Weight: 81 kg / 179 lbs
Fuel Capacity: 5.6 L / 1.5 US gal
Consumption average: 2.2 L/100 km / 45.5 km/l / 107 US mpg
Top Speed: 70 km/h / 43.5 mph
Source: vesparade.worldpress.com, Wikipedia, Vespa by Giorgio Sarti