Smallframe 50-125 (manual models)
- Vespa 50 N - V5A1T (N), from 1967
- Vespa 50 L - V5A1T (L)
- Vespa 50 S - V5SA1T
- Vespa 50 Special - V5A2T, V5B1T, V5B3T
- Vespa 50 R - V5A1T (R)
- Vespa 50 Super Sprint - V5SS1T
- Vespa 50 Sprinter - V5SS2T
- Vespa 50 Elestart - V5A3T, V5B2T, V5B4T
- Vespa 90 - V9A1T, from 1967
- Vespa 90 Super Sprint - V9SS1T
- Vespa 90 Racer - V9SS2T
- Vespa 100 Sport - V9B1T
- Vespa 125 Primavera - VMA2T
- Vespa 125 ET3 - VMB1T
Largeframe 125-200 (Vespa Classic)
- Vespa 125 GT - VNL2T
- Vespa 125 GTR - VNL2T (GTR)
- Vespa 125 Super - VNC1T
- Vespa 125 TS - VNL3T
- Vespa 150 GL - various models with hinged fuel filler cap
- Vespa 150 Sprint - VLB1T
- Vespa 150 Sprint Veloce - VLB1T (SV)
- Vespa 150 Super - VBC1T
- Vespa 180 Super Sport - VSC1T from chassis 22130
- Vespa 180 Rally - VSD1T
- Vespa 200 Rally - VSE1T
PX models (P series and PXE, up to approx. 1984)
- Vespa P 80 - V8A1T
- Vespa P 80 X - V8X1T (PX)
- Vespa P 125 X - VNX1T (PX)
- Vespa P 150 X - VLX1T (PX)
- Vespa P 150 S - VBX1T
- Vespa P 200 E - VSX1T (PE)
- Vespa PX 80 E - V8X1T (PXE)
- Vespa PX 100 E - VIX1T, up to chassis 3000
- Vespa PX 125 E - VNX2T (PXE)
- Vespa PX 150 E - VLX1T (PXE)
- Vespa PX 200 E - VSX1T (PXE)
PK Smallframe models
- Vespa PK 50 - V5X1T
- Vespa PK 50 S - V5X2T up to chassis 152789
- Vespa PK 50 SS - V5S1T
- Vespa PK 50 SS Elestart - V5S1T (El)
- Vespa PK 80 S - V8X5T
- Vespa PK 80 S Elestart - V8X5T (El)
- Vespa PK 100 S - V9X1T
- Vespa PK 100 S Elestart - V9X1T (El)
- Vespa PK 125 - VMX1T
- Vespa PK 125 S - VMX5T
- Vespa PK 125 S Elestart - VMX5T (El)
Note: The list is based on the Piaggio spare parts catalogs. The decisive factor is that a hinged fuel filler cap with corresponding mount is installed.