cylinder kit DR 50cc 38.4mm for Vespa V50, Special, PK, Ape 50 | Scooter Parts | Racing Planet USA
Scooter 102cc Big Bore Racing Cylinder Block Kit & Head For Vespa Pk 50 Hp Xl Special 50cc D 55mm 100080141 2t Engine Parts - Engines Big Bore & Top End Kits - AliExpress