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 Suzuki - 400 TS Apache
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Photo ou archives : F-M. Dumas

Capacity : 400
Model : TS Apache
Production : 1972 - 1977
Category : (On-Off) Dual purpose


TS400 Apache -1972

In the shadow of a champion

Suzuki increased its engine size to meet the needs of the American market. Its first big trail bike, the TS400 Apache, was launched in 1972. This handsome, aggressive machine was promoted as a direct descendant of the motocross machine with which Roger de

Coster had won the World Championship.

An Embroidered Ancestry

In fact, the Apache was a little wayward in claiming this heritage. While it had the looks and even the bore and stroke of the Suzuki TM400 client-competition machine, it had little in common with the works RN72 World Champion mount, which was actually a 73x80mm 367cc machine! Oddly enough, while the TS400 Apache and its sibling, the TM400 Cyclone, developed respectively 34 hp at 6000 rpm and 40 hp at 6500 rpm, the 198 lb RN72 was said to develop just 39 hp - they must have been bigger horses!

Full-Bore Power-Slides

While the lighter (232 lb) Cyclone had a 21 inch front wheel, the Apache was at first equipped with a 19 inch wheel, a discrepancy that was rectified in 1974. The only other change made before the Apache was replaced by the SP370 four-stroke in 1978 was the color scheme. The Apache quickly revealed its supremacy as a trail bike angled towards rapid off-road riding rather than competing in trials, where it was hampered by its weight and front-end geometry. Its flexible, easily-managed engine made this bike simple to master, just made for long full-bore power slides .


Engine: 396cc (82.5x75mm) air-cooled single cylinder

Power Rating: 34 hp @ 6000 rpm

Valves: two-stroke

Fuel System: 32mm carburator

Transmission: 5-speed, chain final drive

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

Brakes: 6 inch drum (front & rear)

Wheels: 3.25x19 inch (front); 4.00x18 inch (rear)

Weight: 278lb

Maximum Speed: 80 mph


The aggressively sporty TS400, seen here in its original 1972 version, had the principle failing of becoming noisier as it grew older.


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.