Compatible with models:

Vespa 50cc models:
Vespa 50 L
Vespa 50 R
Vespa 50 N
Vespa 50 Special

Other Vespa models (up to 1978):
Vespa 90
Vespa 125 Primavera (models produced up to 1978)
Vespa 125 VNB
Vespa 150 (models from 1956 onwards)
Vespa 150 VB1 / VBA / VBB
Vespa 150 GL1 / VGLA-B
Vespa 150 GS (models VS2-5)
Vespa 160 GS