The Vespa 400 is a rear-engined microcar, produced by ACMA in Fourchambault (France) from 1957 to 1961 to the designs of the Italian Piaggio company. Light blue version in Caunes-Minervois Specifications Engine Two cylinder, two stroke, air cooled. Bore, stroke: 63 mm x 63 mm (393 cc). Motor cyclists at the time were used to mixing ...