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 Yamaha - 850 TDM
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Photo ou archives : F-M. Dumas

Capacity : 850
Model : TDM
Production : 1991 - 1995
Category : (R) Street Bike


850 TDM - 1991

A new generation comes of age


"As far as Nineties bikes are concerned, the times they are a-changin'. After spending the better part of the Eighties concentrating on supersport bikes with ever greater performance and technical sophistication, manufacturers have rediscovered the charm of uncomplicated motorcycles and are offering a more rational new generation of sports bikes.


Original and Aggressive

The formula varies according to builder - some are opting for remembrances of things past with nostalgically styled machines like the Kawasaki Zephyr, while others are going for classics in the American style, like the Suzuki VX 800. Yamaha is trying something new with an original, aggressive style that owes something to both the trail bike and the classic machine.


Flexible and Responsive

Very much in the spirit of that vision is the twin-cylinder power unit, taken from the Super Ténéré and mounted in a steel Deltabox frame inspired by the supersport bikes. The flexible, responsive TDM is at home virtually anywhere, but is at its best on back roads, where its torquey performance is perfect for the terrain. And, with floating front disc brakes operated by quadruple-piston calipers, the TDM's stopping power is among the best currently available, effortlessly bringing it down from its 125mph top speed.



Engine: 849cc (89x67mm) water-cooled fourstroke 45-degree vertical-twin

Power output 77 hp @ 7500 rpm

Valves: twin overhead camshafts, 5 valves per cylinder

Fuel system: twin carburetors

Transmission: 5-speed gearbox; chain final drive

Suspension: (front) telescopic fork; (rear) swinging arm

Brakes: (front) twin discs; (rear) single disc

Wheels: light alloy (front) 18 in; (rear) 17 in

Weight: 439 lb.

Maximum speed: 125 mph


The Yamaha 850 7DM is a bike for all seasons, with the emphasis on usability in town, on the highway, or on the open road.”


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.