1953 - 1958
IMN (Industria Meccanica Napoletana) was an Italian motorcycle manufacturer based in Baia, Napoli, initially built mild 38 cc to 249 cc bikes.
In 1953, the moped Paperino Mosquito 38 cc engine and a roller transmission. The moped has an open single beam frame in stamped steel. Beside that, it also built a 100 cc lightweight motorcycle, the Bay, four-stroke engine with pushrods and rocker arms, chassis and engine applied to the central truss cantilever. In 1955 the Super Paperino Lusso realizes that incorporates the features of Paperino Normale.
In 1956, it was the turn of the Paperino Sport Super Lusso 49-cc two-stroke exchange to three separate gears, chain drive with a speed of 70 km/h. In 1956, they also produced an engine with a 65 cc two-stroke three-speed gearbox, a 65 cc lightweight motorcycle, a scooter full bodied with the same engine and a new 100 cc lightweight motorcycle with four-speed gearbox. At the end of 1956, the motorcycle was made even more interesting: the Rocket 200, with a 200 cc two-cylinder horizontal opposed engine, distribution pushrods and rocker arms, power of 11 bhp at 6000 rpm, four-speed gearbox with a pedal block and final drive shaft with bevel helical teeth. The frame was tubular trellis with an overhanging engine, telescopic front forks and rear semi-hydraulic Shocks.