A Milan company which from 1946 or '47 to c.1954 built two-stroke Gazzella auxiliary engines of 60cc, and 65cc motorcycles with a two-speed gearbox.
A restorer notes that the Gazzella 65cc engine bears a striking similarity to the Parilla 125 2T designed by Alfredo Bianchi in 1948-49, stating that the cylinder inclination of 5° along with the shape of the sandcast crankcase bore witness to this, and that the gearbox and preselector system were identical. He concludes that Boassi bought the design from Bianchi.
Sources: MC Storico Conti, motodilombardia.it, Mauro Colombo, 50iniepoca.forumfree.it, et al.
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