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 Nougier - 250 Bicylindre
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Photo ou archives : F-M. Dumas

Capacity : 250
Model : Bicylindre
Production : 1955 - 1957
Category : (R) Racing


250 Twin -1954

The work of a real-life wizard

Whoever would believe that some of the finest racing motorcycles ever built in France were constructed by a man alone, who was always strapped for cash and whose equipment was totally out of date? Nevertheless, that was the truth about Jean Nougier, "the wizard of Saint-Andiol," among whose finest creations is the 250 Nougier twin-cylinder of 1954.

Scratch-Built 500

In 1953, aided by a rider and metal-founder from Grenoble named Collignon and also by the Aubert & Duval metallurgical company, the Italian Dell'Orto carburetor company and an ignition manufacturer Morel, Jean Nougier undertook the construction from scratch of a 350cc four, which was quickly supplanted by a 500 of the same design.

Nougier's Third 250

A year later, with the benefit of the experience he had acquired from this project, Nougier set about - single-handedly and without any outside financial help - building his third 250cc racer (the first two dated from 1936 and 1940). This lime it was a twin, effectively half the 500cc four set on the crankcase of a 250 Terrot OSSD touring bike. Nougier shoehorned five speeds into the OSSD gearbox, made his own crankshaft and cylincler head with chain-driven twin overhead-camshafts, replaced magneto with coil ignition, built a frame, modified a Terrot front fork and achieved a speed of 106 mph

at 12,000 rpm. The bike's career was, sadly, a short one in which it only won two events

- the hillclimbs at Limonest and Goldbach - with "Mickey" Schaad as rider.


Engine: 247cc (54x54mm) air-cooled parallel twin four-stroke; wet-sump with oil radiator; five-bearing crank

Power Rating: 32 hp@ 12,000 rpm

Valves: twin overhead-camshafts

Fuel System: carburetor

Transmission: Nougier 5-speed, oil-bath multiplate clutch; chain final drive

Suspension: modified Tenot telescopic forks (front); swing arm (rear)

Brakes: 7.9 inch Collignon magnesium drums

Wheels: wire (front & rear)

Maximum Speed: 106 mph


This 250 twin was built in 1954 using a 1906 lathe, a 1912 milling machine and a 1924

planing machine!

Much more info on all the Nougiers racing bikes, in the book Â«Nougier, 1932-1972 – Le rêve français» by François-Marie Dumas (Text in french only)

Click here to download the purchase order  / contact info@moto-collection.org

Le fichier Moto Passion réalisé par François-Marie Dumas réunit près de deux mille photos accompagnées d'un historique très complet des machines présentées.
Il sera progressivement mis à jour ici et toute information complémentaire est la bienvenue sur info@moto-collection.org.

Cette documentation unique, qui constitue sans doute l'encyclopédie la plus exhaustive jamais écrite sur l'histoire de la moto, a été réalisée avec l'assistance de nombreux spécialistes dont principalement Didier Ganneau, Christophe Gaime, Mick Woollett, Jean Goyard, Bernard Salvat, Christian Rey, Yves Campion, Helmut Krackowizer, Michael Dregni, Michel Montange, etc. que je remercie ici.

Disponible sur demande :
- Les fiches originales sur papier
- Les photos et archives signées de mon nom en haute définition ou les documents originaux.
Me contacter sur info@moto-collection.org pour les conditions et droits d'utilisation.