Some 200 copies of the M.A.G. 500cc V-twin IOE model were built, of which 30 are extant. This one has and O.S. speedometer, AMAL carburretor, Gurtner oil pump, Miller acetylene headlight, drum brakes, Bosch magneto and all-chain drive.
Inlet Over Exhaust
Aka the F-Head, the IOE system was widely used in early four-stroke engines. Italiano: valvole di aspirazione sopra quelle di scarico; contrapposte.