The new and successful 348 cc ohv single m 60 was much cheaper and almost as fast. At the end of 1926 m50 production came to an end. This extensive and fine restored high quality four cylinder FN runs smooth and fine.

A new chain-drive M50 Four featured a new Amac carburettor and front brakes. In 1931, a Villiers 198cc, two-stroke FN model appeared. The year before, with Handley or Dougal Marchant aboard, FNs with 350cc and 500cc engines had set speed records at Arpajon and Montlhery, recording speeds up to 192.7km/h.

The M50 employed an inlet over exhaust, four cylinder engine displacing 748cc. A three speed gearbox and chain final drive were employed. The cycle parts followed contemporary practice with the emphasis being placed on comfort rather than outright performance.

FN was building four cylinder motorcycles as early as 1904. They had a five bearing crankshaft and shaft drive, and were fitted with pedal assist. Both Paul Kelecom and Henri Pieper were with the FN company in the early days. A British report on …

FN 1925 M 50 750 cc four cylinder overhead inlet valve frame # 731 engine # 1297 P. To many enthusiasts the FN four has always been one of the most appealing machines of veteran and vintage times. Its production ran from 1905 till 1926. The earliest type had a 362 cc engine with automatic overhead inlet valves and side exhaust valves.

Engine: 748cc (52x88mm) air-cooled four-cylinder four-stroke. Valves: overhead intake, side exhaust. Fuel System: carburetor. Transmission: 3-speed, chain final drive. Suspension: girder forks (front); rigid (rear) Brakes: dummy belt rim (front & rear) Wheels: 715x115mm clincher (front & rear) Weight: 353 lb. Maximum Speed: 56 mph.

2018年5月5日 · Test drive of the FN M50 750cc 4 cyl ioe from 1924 with german papers and Tüv. New in at www.dutch-lion-motorbikes.com

Amazing FN M50 from 1925. It has old restoration. Very good general condition. It is working properly. Documents

By 1926 the FN M50 750cc production came to an end having inspired the Indian, Henderson, and Cleveland Fours Percy Pierce (Pierce-Arrow) purchased a 1908 model, and it became the point of reference for the first Pierce Four produced in the United States in 1909

2021年6月6日 · Designed by Paul Kelecom, the FN was the world's first practical four-cylinder motorcycle, its smooth, almost vibration-less operation setting it apart from rival singles and v-twins.