Airone 250, 3rd edition. New was the upside down fork and the hydraulic shockers on the rear, all designed still by Carlo Guzzi.
4-stroke flat single 70 x 64 mm: 246cc. Output 9.5hp at 4800 rpm.
Last year of the exposed valves. Cast iron cylinder and cylinder head.
Weight 135 kg dry and a top speed of approx. 95 km/h, consuming 3.3 litres per 100 km.