Vespa P150S / X
Vespa P150S / X | |
Manufacturer | |
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Production | 1978 - 90 |
Engine | Two stroke single cylinder, |
Compression ratio | 8.2:1 |
Top Speed | 90 km/h / 56 mph |
Ignition | Contact breaker and coil |
Battery | 12V |
Transmission | 4 Speed, grip-shift, constant mesh |
Frame | Pressed sheet steel, streamlined monocoque structure |
Suspension | Front: Trail arm with coil spring and damper Rear: Coil spring with damper |
Brakes | Front: 125 mm drum Rear: 127 mm drum |
Front Tire | 3.5 x 8" |
Rear Tire | 3.5 x 8" |
Wheelbase | 1200 mm / 47.2 in |
Weight | 98 kg / 216 lbs (dry), |
Fuel Capacity | 7.5 L / 2.0 US gal |
Manuals | Service Manual |
It could reach a top speed of 90 km/h / 56 mph.
Engine[edit | edit source]
The engine was a Air cooled, forced cooled Two stroke single cylinder,. The engine featured a 8.2:1 compression ratio.
Drive[edit | edit source]
Power was moderated via the Wet, multiplate.
Chassis[edit | edit source]
It came with a 3.5 x 8" front tire and a 3.5 x 8" rear tire. Stopping was achieved via 125 mm drum in the front and a 127 mm drum in the rear. The front suspension was a Trail arm with coil spring and damper while the rear was equipped with a Coil spring with damper. The P150S / X was fitted with a 7.5 L / 2.0 US gal fuel tank. The bike weighed just 98 kg / 216 lbs. The wheelbase was 1200 mm / 47.2 in long.
Photos[edit | edit source]
Overview[edit | edit source]
Vespa P series was the last of the "classic" Vespas to come out of Piaggio's factories. though certainly not the most elegant styling, the P-series Vespas are probably the sturdiest models. In the mid-70s the basic Vespa design had been refined almost as far as it was able to go. However, changing consumer tastes, and new technologies, coupled with tightened regulations meant that Piaggio realised that it was time to totally re-design the Vespa chassis. The result was the P-series. It was such a large break from the previous style and design philosophy that many hard-core scooterists did not consider the P-series to be true Vespas, even well into the 90's. It is a debate that still continues, though the influx of new automatic scooters has tempered it and helped propel the P-series into the ranks of the classics. On the P everything was bigger. the frame was newly designed and h=physically much larger than nay of the previous models. The cowls were more angular.
Make Model | Vespa P150S / P150X |
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Year | 1978 - 90 |
Engine Type | Two stroke single cylinder, |
Displacement | 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 System | 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 Tire | 3.5 x 8" |
Rear Tire | 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 |
Colours | Blue, Blue/Green, Silver, White |
Sources | Wikipedia, Scooterhelp.com, Scooterlounge.com |