The Vespa 125 U manufactured in 1953 had a two stroke, single cylinder engine with a capacity of 124.8 cc. With only 7,000 units produced, it had a Dell’Orto TA 17B carburetor and a compression ratio of 6.4:1. It was air-cooled, forced and had a fuel mixture of 1:20. It was powered by a flywheel magneto ignition system and kick start. Its clutch was a wet, multiplate type with a top speed of 65km/hr or 40mph. It was a pressed sheet steel frame, streamlined monocoque structured motorcycle with a variable flexible coil spring for the front suspension and double hydraulic shock absorbers for the rear suspension. The front and rear brakes were both drums measuring 124mm and 126mm respectively with interchangeable wheel sizes of 3.5×8″. The Vespa 125 U had a length of 1680mm or 66.1in, width of 790mm or 31.1in and a height of 1170mm or 46.4in. The wheelbase and seat height were 1160mm or 45.7in and 775mm or 30.5in respectively. It weighed 78kg or 172lbs with a fuel capacity of 6.25L or 1.65 US gal. It consumed 2L/100km, which is equivalent to 118 US miles per gallon. It was available in the color pastel green.
Technical specifications:
Make Model: Vespa 125 U
| Year | 1953 |
|---|---|
| Production | 7 000 units |
| Engine | Two stroke, single cylinder |
| Capacity | 124.8 cc 7.6 cub in |
| Bore x Stroke | 56.5 x 49.8 mm |
| Carburetor | Dell,Orto TA 17B |
| Compression Ratio | 6.4:1 |
| Cooling | Air cooled, forced |
| Fuel Mixture | 1:20 |
| Ignition | Flywheel, magneto |
| Starting | Kick start |
| Battery | 6V AC |
| Clutch | Wet, multiplate |
| Max Power | 3.3 kW / 4.5 hp @ 5800 rpm |
| Transmission | 3 speed |
| Final Drive | Direct drive |
| Frame | Pressed sheet steel, streamlined monocoque structure |
| Front Suspension | Variable flexible coil spring |
| Rear Suspension | Double hydraulic shock absorbers |
| Front Brakes | 124 mm drum |
| Rear Brakes | 126 mm drum |
| Wheels | Interchangeable |
| Front Tyre | 3.5 x 8″ |
| Rear Tyre | 3.5 x 8″ |
| Dimensions | Length: 1680 mm / 66.1 in Width: 790 mm / 31.1 in Height: 1170 mm / 46.4 in |
| Wheelbase | 1160 mm / 45.7 in |
| Seat height | 775 mm / 30.5 in |
| Dry Weight | 78 kg / 172 lbs |
| Fuel Capacity | 6.25 L / 1.65 US gal |
| Consumption average | 2 L/100 km / 50 km/l / 118 US mpg |
| Top Speed | 65 km/h / 40 mph |
| Colours | Pastel Green |
| Sources | Vespaclubtress.jimdo.com |
