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 Honda - 500 CX Turbo
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Photo ou archives : F-M. Dumas

Capacity : 500
Model : CX Turbo
Production : 1981 - 1981
Category : (R) Street Bike


500 CX Turbo – 1981

The big challenge


The race for technological supremacy was at its height at the beginning of the Eighties - multicylinder, multivalve engines were all the rage, and the latest novelty was the turbocharger. Costly, and often imperfectly engineered, the turbo proved a flash in the pan, but that didn't prevent the best of the turbo bikes from acting as a superb technological showcase for their makers.


High-Tech Turbos

Launched in 1980, the Honda CX 500 was the most daring attempt at producing a high-tech turbo bike. The world's leading manufacturer at the time, Honda had chosen to turbocharge a relatively small engine, and complicated the problem further by choosing a V-twin.


Technical Complexity

Honda achieved its aim in a masterly manner, though at the expense of fearful technical complexity. If the original CX 500 was plagued by a turbo that came in too sharply, the CX 650 that followed was one of the best sports/touring bikes ever built. But it came too late. The turbo craze was over soon, and performance-hungry motorcyclists began turning towards increasingly large naturally aspirated engines. Honda had done its best to make the CX Turbo a success by employing the renowned Italian automotive stylist Giovanni Michelotti, who created a shape that was as practical as it was innovative. The CX's fairing offered a rare level of protection while forming an integral part of the machine.



Engine: transverse 497cc (78x52mm) vee-twin four-stroke

Power output: 78 hp @ 8000 rpm

Valves: 4 overhead valves per cylinder

system: electronic injection with IHIHonda turbocharger turning at 150,000 rpm

Transmission: 5-speed gearbox; chain final drive

Suspension: (front) telescopic forks ; (rear) aluminum swinging arm

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

Wheels: Comstar" composite; (front) 18 in;(rear) 17 in

Weight: 500 lb

Maximum speed: 115 mph


The CX 500 was a marriage between Japanese know-bow and Italian style that resulted in an excellent touring bike.


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.