The Vespa PX 125 T5 and PX 125 T5 Elestart motorcycles were produced between 1985 and 1999. They had a two-stroke, single cylinder engine with a capacity of 123.4 cc and a compression ratio of 11.3:1. The carburetor used was a Dell’Orto SI 24/24G and the fuel mixture was 1:20. The ignition system was a flywheel alternator, with a built-in H.T. coil and the motorcycles used a kick start to get going. The clutch was multiplate and the transmission was a four-speed, grip-shift, constant mesh system with a final direct drive. The motorcycles had a pressed sheet steel, streamlined monocoque frame, with helical spring and double-acting hydraulic dampers for the front and rear suspensions. The braking system was cable-operated, 125 mm expanding drum brakes in the front and rear. The wheels were interchangeable and had 3.5 x 10″ tires. The Vespa PX 125 T5 had a top speed of 106 km/h and could go 0 to 400 m in 20.2 seconds. The motorcycle came in red and white and had a fuel capacity of 8 L, with an average consumption of 2.7 L/100km.
Technical specifications:
Make Model: Vespa PX125 T5, PX 125 T5 Elestart
| Year | 1985 – 99 |
|---|---|
| Engine | Two stroke, Single cylinder, |
| Capacity | 123.4 cc 7.5 cub in |
| Bore x Stroke | 52 x 55 mm |
| Carburetor | Dell’Orto SI 24/24G . |
| Compression Ratio | 11.3:1 |
| Cooling | Air cooled, centrifugal fan |
| Fuel Mixture | 1:20 |
| Spark Plug | Bosch W3CC or Champion N2C |
| Ignition | Flywheel alternator, with built in H.T. coil |
| Starting | Kick start |
| Clutch | Multiplate |
| Max Power | 8.8 kW / 12 hp @ 6500 rpm |
| Max Torque | 13.1 kW / 1.34 kgf-m / 9.7 ft/lb @ 6250 rpm |
| Transmission | 4 Speed, grip-shift, constant mesh |
| Gears | 1st 16.4 / 2nd 11.0 / 3rd 7.5 / 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 | Cable operated, 125 mm expanding type drum brake |
| Rear Brakes | Cable operated, 125 mm expanding type drum brake |
| Wheels | Interchangeable |
| Front Tyre | 3.5 x 10″ |
| Rear Tyre | 3.5 x 10″ |
| Dimensions | Length: 1820 mm / 71.7 in Width: 700 mm / 27.6 in Height: 1170 mm / 46.1 in |
| Wheelbase | 1250 mm / 49.2 in |
| Ground Clearance | 100 mm / 3.9 in |
| Dry Weight | 112 kg / 247 lbs |
| Fuel Capacity | 8 L / 2.1 US gal |
| Reserve | 2.1 L / 0.55 US gal |
| Consumption average | 2.7 L/100 km / 37 km/l / 87 US mpg |
| Top Speed | 106 km/h / 64 mph |
| Standing 400 m / 437 yards | 20.2 sec |
| Colours | Red, White |
| Sources | Wikipedia |
