Vespa 50 (1963-90)

The Vespa 50 was produced from 1963 to 1990, and came in various models such as the N, L, R, S, SS, and SR. It featured a two-stroke, single cylinder engine with a capacity of 49.8 cc and a compression ratio of 7.2:1. It had a Dell’Orto 14 carburetor and was air-cooled with a centrifugal fan. The ignition was a 4-pole flywheel magneto and it had a kick start. Its clutch was multi-plate and had a 3-speed mesh gears transmission with a direct drive final drive. The frame was made of pressed sheet steel with a streamlined monocoque structure. Its suspension was hydraulic shock absorbers, and it had drum brakes in both the front and rear. It also had pressed steel flanges with 2.75 x 9″ wheels and tyres. Additionally, its length was 1630 mm, its height was 980 mm, and it had a ground clearance of 210 mm. Its dry weight was 67.5 kg and its fuel capacity was 5.6 L. It consumed an average of 1.5 L/100 km and had a top speed of 40 km/h.

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Technical specifications:

Make Model: Vespa 50 (N, L, R, S, SS, SR)

Year: 1963-90

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 14

Cooling: Air cooled with centrifugal fan

Battery: 2 x 6V – 9.5 Ah batteries

Ignition: 4 Pole flywheel magneto

Starting: Kick start

Spark Plug: Bosch W225 T1

Clutch: Multi plate

Max Power: 1.9 kW / 2.6 Hp @ 4500 rpm

Transmission: 3 Speed mesh gears

Gear ratios: 1st 22.33 / 2nd 12.56 /3rd 7.95:1

Final Drive: Direct drive

Frame: Pressed sheet steel with streamlined monocoque structure

Front Suspension: Hydraulic shock absorber with rubber elements

Rear Suspension: Hydraulic shock absorber

Front Brakes: Drum

Rear Brakes: Drum

Wheels: Pressed steel flanges

Front Tyre: 2.75 x 9″

Rear Tyre: 2.75 x 9″

Dimensions: Length: 1630 mm / 64.2 in Height: 980 mm / 33.6 in

Ground clearance: 210 mm / 8.3 in

Dry Weight: 67.5 kg / 148 lbs

Fuel Capacity: 5.6 L / 1.5 US gal

Consumption average: 1.5 L/100 km / 66.7 km/l / 157 US mpg

Top Speed: 40 km/h /29 mph

Source: vesparade.worldpress.com, Wikipedia