The Vespa P150X, a model within the long-running P-series, was introduced in 1978 and is a popular, cult-status scooter known for its robust technology, manual four-speed gearbox, and air-cooled two-stroke engine. Key features include an oval headlight and an early design without turn signals, though later models, like the PX150E, added electronic ignition and other upgrades
Engine
- Type: Air-cooled, two-stroke, single-cylinder engine.
- Displacement: 149.6 cc.
- Bore x Stroke: 57.8 mm x 57 mm.
- Horsepower: 6.6 kW (9 BHP) @ 5700 RPM for the P150X/PX150E.
- Max Power (for some models): 7.0 kW (9.5 BHP) for later PX 150 models.
- Torque: 11.2 Nm @ 4000 RPM for some later models.
- Ignition: Early P 150 models had electronic ignition, while some very early models may have had breaker ignition. The “E” in PX150E stands for “Electronic” ignition.
- Fuel System: Carburetor with optional automatic oil pump for separate lubrication.
- Cooling: Forced air.
- Starting: Kick starter (some models may also have electric start).
Transmission
- Type: Manual 4-speed transmission with grip shift.
Dimensions and Weight
- Chassis: Self-supporting steel frame.
- Length: Approximately 1760 mm (69.3 inches).
- Width: Approximately 695 mm (27.4 inches) to 700mm (27.6 inches).
- Height: Approximately 1110 mm (43.7 inches).
- Wheelbase: Approximately 1235 mm (48.6 inches).
- Empty Weight: Approximately 104 kg (229 lbs) to 110 kg (243 lbs).
- Fuel Capacity: 8 liters (2.1 gallons), including reserve.
Suspension and brakes
- Front suspension: Single-arm with shock absorber and springs.
- Rear suspension: Shock absorber with springs.
- Front brakes: Hydraulic Disc (some models) or Drum Brake.
- Rear brakes: Drum brake.
Performance
- Top Speed: Approximately 90 km/h (56 mph) to 91 km/h (56.5 mph).
- Fuel Economy: Approximately 2.2-2.3 l/100km or around 102 to 107 miles per gallon (MPG) depending on the model and year.
