Vespa P150S / P150X (1978-90)
Comparison technical specifications
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| Make: | Vespa |
| Model: | P150S / P150X |
| Years: | 1978-90 |
| Engine: | Two stroke single cylinder, |
| Capacity: | 149 cc / 9.1 cub in |
| Bore x Stroke: | 57.8 x 57 mm |
| Compression: | 8.2:1 |
| Carburetor: | Dell'Orto SI 20/20 D |
| Cooling: | Air cooled, forced |
| Fuel Mixture: | 1:50 |
| Ignition: | Contact breaker and coil |
| Starting: | Kick start |
| Battery: | 12V |
| Clutch: | Wet, multiplate |
| Max Power: | 5.5 kW / 7.5 hp @ 5750 rpm |
| Transmission: | 4 Speed, grip-shift, constant mesh |
| Gear Ratios: | 1st 14.47 / 2nd 10.28 / 3rd 7.31 / 4th 5.36:1 |
| Final Drive: | Direct drive |
| Frame: | Pressed sheet steel, streamlined monocoque structure |
| Front Suspension: | Trail arm with coil spring and damper |
| Rear Suspension: | Coil spring with damper |
| Front Brakes: | 125 mm drum |
| Rear Brakes: | 127 mm drum |
| Wheels: | Interchangeable |
| Front Tyre: | 3.5 x 8" |
| Rear Tyre: | 3.5 x 8" |
| Dimensions: | Length: 1740 mm / 68.5 in Width: 670 mm / 26.4 in |
| Wheelbase: | 1200 mm / 47.2 in |
| Dry Weight: | 98 kg / 216 lbs |
| Fuel Capacity: | 7.5 L / 2.0 US gal |
| Consumption average: | 2.1 L/100 km / 48 km/l / 112 US mpg |
| Acceleration: 0 - 75 km/h / 47 mph: | 17.5 sec |
| Top Speed: | 90 km/h / 56 mph |