PX 125

1998 Vespa PX 125 Technical Analysis & Specification Breakdown

Built around Vespa's scooter motorcycle platform, the 1998 Vespa PX 125 pairs a 123 cc (7.5 cu in) single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 9 HP (6.6 kW). With a specific output of 73.2 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the PX 125 measures 123 kg (271 lbs) dry, translating to a power-to-weight ratio of 0.07 HP/kg (13.67 kg per horsepower).

Within MotoLibrary's Vespa archive, this model family spans 9 indexed model years from 1998 to 2017, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.