OBA56-MV-Museum-24

OBA56-MV-Museum-24

Left: Prototype 350cc DOHC twin cylinder racer from 1955 produced 46.5 horsepower at 12,000 rpm. Right: The 600cc 4C6, first seen in 1966, with gear-driven overhead camshafts and shaft drive. Only 137 were built up to 1971.