The Vespa 125 was produced between 1977 and 1997 under several different models including the P125X, PX 125, PX 125 Arcobleno/Lusso, PK125 S, and GTS Super. The engine was a two-stroke, single cylinder with a capacity of 123.4 cc and a compression ratio of 9.2:1. The fuel mixture was 1:50 and the ignition was a flywheel alternator with a built-in H.T. coil. The clutch was multiplate and the transmission had four speeds with a grip-shift and constant mesh. The front and rear suspensions used helical springs and double-acting hydraulic dampers. The brakes were drum brakes with 125 mm in the front and rear. The fuel capacity was 8 L with a reserve of 1.2 L and had an average consumption of 2.7 L/100 km. The maximum power was 5.9 kW/8 hp at 5800 rpm and the top speed was 100 km/h. The Vespa 125 was available in white, red, black, blue, and yellow. This information was sourced from Wikipedia and scooterhelp.com.
Technical specifications:
Make Model: Vespa 125, P125X, PX 125, PX 125 Arcobleno/Lusso, PK125 S, GTS Super
| Year | 1977 – 97 |
|---|---|
| Engine | Two stroke, single cylinder |
| Capacity | 123.4 cc 7.5 cub in |
| Bore x Stroke | 52.5 x 57.0 mm |
| Carburetor | Dell,Orto SI 24/24 E |
| Compression Ratio | 9.2:1 |
| Cooling | Air cooled, centrifugal fan |
| Fuel Mixture | 1:50 |
| Spark Plug | Champion N2C |
| Ignition | Flywheel alternator, with built in H.T. coil |
| Starting | Kick start |
| Clutch | Multiplate |
| Max Power | 5.9 kW / 8 hp @ 5800 rpm |
| Max Torque | 10.5 kW / 1.07 kgf-m / 7.7 ft/lb @ 4500 rpm |
| Transmission | 4 Speed, grip-shift, constant mesh |
| Gears | 1st 16.4 / 2nd 11.0 / 3rd 7.60 / 4th 5.8:1 |
| Final Drive | Direct drive |
| Frame | Pressed sheet steel, streamlined monocoque structure |
| Front Suspension | Helical spring and double acting hydraulic dampers |
| Rear Suspension | Helical spring and double acting hydraulic dampers |
| Front Brakes | Drum, 125 mm |
| Rear Brakes | Drum, 125 mm |
| Wheels | Interchangeable |
| Front Tyre | 3.5 x 10″ |
| Rear Tyre | 3.5 x 10″ |
| Dimensions | Length: 1655 mm / 65.2 in Width: 790 mm / 31.1 in Height: 1170 mm / 46.4 in |
| Wheelbase | 1250 mm / 49.2 in |
| Turning Radius | 1650 mm / 65.0 in. |
| Dry Weight | 112 kg / 247 lbs |
| Fuel Capacity | 8 L / 2.1 US gal |
| Reserve | 1.2 L / 0.55 US gal |
| Consumption average | 2,7 L/100 km / 37 km/l / 87 US mpg |
| Top Speed | 100 km/h / 62 mph |
| Colours | White, Red, Black, Blue, Yellow |
| Note | Specifications for the Corsa 125 (1988 – 98) |
| Sources | Wikipedia, scooterhelp.com |
