The FB was the first three wheeler ever produced by Lambretta.   Specifications Date of production February 1949 ~ March 1950 total production 2.001 Capacity 125 cc Bore x stroke 52×58 mm Carburettor Dellorto MA 16 Gear 3 speeds Hand Controlled (Teleflex) Power 4,3 cv a 4.000 rev/min Speed max … Continued