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 Suzuki - 1100 GSX
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Photo ou archives : F-M. Dumas

Capacity : 1100
Model : GSX
Production : 1980 -
Category : (R) Route


GSX 1100 ·1980

Four valve with an italian patent

In 1980, Suzuki - which had already established a solid reputation with its 750, 850 and 1000cc GS four-cylinder models took another step forward with its GSX 750 and 1100, which had four rocker-operated valves per cylinder. They were state-of-theart. with an undeniable character. It was kept secret for a long time that Suzuki had bought this patented layout from the italian engineer Piatti who will receive one dollar for each Suzuki 4-valve engine sold: a fortune!. The more innovative of the pair was the 750, which was the first Suzuki four-stroke with a one-piece forged crankshaft and split big-end bearings. The 1100 stayed faithful to the marque's roots in two-stroke technology with a built-up crank and needle-bearing big-ends.

Performance Allied to Comfort

Original in appearance and luxuriously equipped, the GSX was comparable with the Yamaha XS 1100 in combining high performance with excellent comfort for rider.

Massive and heavy (573 lb ready to roll), the GSX 1100 was nonetheless compact and low in the saddle. flexible and well-balanced, it was easy to handle and revealed its full potential as a long-distance mount. Its 100 hp were always controllable, while its excellent roadholding permitted high cruising speeds that were in no way diminished by the lack of a fairing. Less sporty as well as 18 lb heavier than the 750, the 1100 had a longer stride and phenomenal engine flexibility.

Too late, unfortunately

Sadly, it came on the scene at a time when customers were looking increasingly towards the outright performance offered by the supersports bikes, and its sales failed to reflect the very real qualities that it offered at a genuinely competitive price.


Engine: 1074cc (72x66mm) air-cooled fourcylinder four-stroke

Power Rating: 100 hp@ 8700 rpm

Valves: Lwin overhead-camshafts driven by chain; 16 valves

Fuel System: four 34mm carburetors

Transmission: 5-speed, chain final drive

Suspension: telescopic forks (front): swing arm with twin spring/dampers (rear)

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

Wheels: 19 inch (front): 17 inch (rear)

Weight: 536 lb

Maximum Speed: 134 mph


In 1980, Suzuki joined the exclusive ranks of 100 hp-plus touring motorcycles with the GSX 1100 16-valves four.

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.