You can buy every single piece to complete the fitment of the side-panel
Clutch Side Oil Seal
Piaggio Vespa Exhaust Manifold GTS i
Piaggio Vespa Crankshaft Bearing & Seal Set PX 125
The cylinder is made of aluminium alloy with Nicasil coating which gives exceptional strength and unique resistance
OEM Vespa Voltage Regulator PX, PK, ET2, ET4 (NOS) TOPCASE & RACK PX-T5-COSA You can buy every singlePiaggio, Vespa 5 Terminal Regulator This 12 volt 5 terminal regulator rectifier serves as a direct replacement for Piaggio part numbers 185824, 291931, 2919315, and 2940165. Featuring A, A, G, +B, and Earth terminals, it's engineered for PK electric start models equipped with 5 wire round stator connectors, as well as PX electric start variants from 1984 1997 featuring 4 wire round stator plugs. Critical compatibility note: Vespa PX electric start