Popular vintage motorcycles, scooters and mopeds that these are correct for include; Wards Benelli, Sears Gilera, Harley Davisdon Aermacchi, Ducati, Laverda, Morini, VESPA, Laverda, PUCH, and many many more.
Again, these are genuine Dellorto jets, guaranteed to be precision drilled and tested at Dellorto in Italy. Do not mistake other poorly made Chinese jets for the real thing!