The Vespa PK50 was a popular motorcycle produced by Vespa from 1981 to 1993. It came in various models including the Vespa P 80/E/XE, PX 80XE, PX 80E Arcobaleno, PK 80S, PK 80S Elestart, PK 80S Automatica, PK 80S/Automatica El, and PK 80E Arcobaleno El. The motorcycle has a two-stroke, single cylinder engine with a capacity of 79cc and a mixture ratio of 1:50. It uses a Dell’Orto SHB 16/10 carburettor and is air-cooled with a centrifugal fan. The ignition system uses a flywheel magneto, and the motorcycle has a kick start. Its maximum power output is 4.4 kW / 6 Hp @ 7000 rpm. The fuel capacity is 8.0 L / 2.1 US gal, and the motorcycle uses a 6V – 9.5 Ah battery. The frame is made of pressed sheet steel with a streamlined monocoque structure. The front suspension is a trailing arm, coil spring, and damper, while the rear suspension is a coil spring and damper. The brakes are 150mm drums, and the wheels have interchangeable pressed steel flanges. The front and rear tyres are both 3 x 10 inches.
Technical specifications:
Make Model: Vespa P 80 / P 80E, P 80X / PX 80XE, PX 80E Arcobaleno PK 80S, PK 80S Elestart, PK 80S Automatica, PK 80S / Automatica El, PK 80E Arcobaleno El
| Year | 198 1 -93 |
|---|---|
| Engine | Two stroke, single cylinder |
| Capacity | 79 cc / 4.8 cub in |
| Mixture | 1:50 |
| Carburettor | Dell’Orto SHB 16/10 |
| 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 | NGK B6ES |
| Clutch | Oil bath, multi plate |
| Max Power | 4.4 kW / 6 Hp @ 7000 rpm |
| Final Drive | Direct drive |
| Frame | Pressed sheet steel with streamlined monocoque structure |
| Front Suspension | Trailing arm, coil spring, damper |
| Rear Suspension | Coil spring, damper |
| Front Brakes | 150 mm drum |
| Rear Brakes | 150 mm drum |
| Wheels | Pressed steel flanges, interchangeable |
| Front Tyre | 3 x 10″ |
| Rear Tyre | 3 x 10″ |
| Fuel Capacity | 8.0 L / 2.1 US gal |
| Source | Databikes, Wikipedia |