Compatible with models:

Vespa PX 125 E / PX 125 (years 1981–2007, including the PXE "Arcobaleno" series and Vespa PX Euro 2 models)
Vespa PX 150 E / PX 150 (PX and "Arcobaleno" series)
Vespa PX 200 E / PX 200 (years 1981–2007, including the PXE "Arcobaleno" series and Vespa PX Euro 2 models)