A Brief History of the Italian Marque
The Officina Costruzioni Motori Ausiliari company, O.C.M.A., based in Piazza San Eustorgius, Milan, manufactured auxiliary power
units, two-stroke engines of 98 cc.
At the 1923 Milan Show they exhibited another two-stroke auxiliary engine of 125cc featuring a two-speed gearbox, and reportedly also displayed a complete motorcycle.
Source: Moto di Lombardia
If you have a query or information about these vintage Italian machines please contact us
