Compatible with models:

Vespa models:
Vespa PX (125, 150, 200, Arcobaleno, T5, Elestart, E Lusso, '98 / MY / T5 models)
Vespa PK 50 - 125, PK S, PK SS, PK XL, PK XL Rush, PK Automatica

Piaggio Ape:
Ape 50 FL / FL2 (model TL6T, from 1989 onwards)