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 Terrot - 500 NSSO 2
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Terrot NSSO 2 motocyclette motorrad motorcycle vintage classic classique scooter roller moto scooter
Photo ou archives : F-M. Dumas
7219

Capacity : 500
Model : NSSO 2
Production : 1930 -
Category : (R) Street Bike

TERROT

500 NSSO 2 - 1929

Return to the big league

Terrot returned to the 500cc category in 1927, following Monet-Goyon, the leading French constructor. Terrot again challenged Dollar and Gnome & Rhône, but overhauled Alcyon, Motobécane and Peugeot. A rapid evolution from a flat-tank to a saddle-tank followed. In the summer of 1929, one of the best 500s of the period was produced – the NSSO 2.

Back in Business

Terrot, which had been a leading manufacturer in 1914, was reduced to a shadow in 1919 since its property had been sequestered during WWI. After the war, the Dijon-based firm could only offer a skeleton range: in 1924 three small two-stroke models of 270, 175 and 147cc. The firm 's renaissance really began in 1927, with the arrival of 250 and 350cc four-strokes, but what was still lacking was a 500.

Rapid Update

This was achieved in 1927, with the 500 JAP-engined Model. However, this had an outdated cycle part with an unfashionable flat-tank. Terror's return as a front-rank manufacturer was heralded by the saddle-tank 500s, whose top model was the NSSO 2. For this 500, Terrot took the best elements of its 350 which had become Champion of France: a robust frame, an elegant saddle-tank, a gearbox with a four-point attachment to the frame guaranteeing perfect chain alignment and Druid type forks with limited travel. All that was missing was the powerful AYA front brake – but that was so expensive that Terrot had decided not to use it. In compensation, the JAP engine made this a lively and reliable 500.

SPECIFICATIONS

Engine: 489cc (85.5x85mm) air-cooled single-cylinder four-stroke; tortal-loss lubrication

Power Rating: 18 hp @ 4500 rpm

Valves: overhead

Fuel System: Amal carburetor

Transmission: close-ratio 3-speed, chain final drive

Suspension: Druid girder forks (front); rigid (rear)

Brakes: 6.7 inch drum (front); 8.25 inch drum (rear)

Wheels: 700x100mm balloon tires (from & rear)

Weight: 331 lb

Maximum Speed: 78 mph

Handsome but costly, the Terrot NSSO 2 was the peak of the 1920s range.




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.