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.
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 |
