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 Suzuki - TS Sierra
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Suzuki D2-492-29-14
Photo ou archives : F-M. Dumas

Capacity : 185
Model : TS Sierra
Production : 1971 - 1977
Category : (On-Off) Dual Purpose


TS 185 - 1974

The golden mean

Yamaha started the fashion for trail bikes in Europe with its AT1 in 1969. The remaining members of the Japanese "Big four" quickly hopped on the bandwagon, which for many years were the bulk of their sales.


Suzuki's first truly competitive lightweight trail bike, the TS 125, was launched in 1971. It followed the hybrid TC 120 with its dualratio final drive: 3-speed (later 4) x 2. This time, Suzuki made no mistake and followed the example of its TS 250, which was copied from its famous motocross models. That same year, the TS 125 was joined by a 185cc derivative designed especially for the US, where it became a best-seller.

Remarkable Compromise

In fact, this unusual capacity proved to be a remarkable compromise between the 125 and the 250. The TS 185 was virtually as powerful as the 250 (17.5 hp against 22 - the 125 developed 13 hp), had excellent torque (13.7 lb-ft at 6500 rpm against 18lb-ft at 9400 rpm) and benefitted from lightness and manageability. Moreover, the TS 185 shared the same electronic ignition as the 250 and the 125 did not. The TS 185 originally had a 19 inch front wheel. At the end of 1974, it adopted a 21 inch front wheel like the 125 and 250. Showtime 1975 saw the introduction of an electric starter - the TS 185 was one of the few lightweight trail bikes so equipped - and the model remained in the catalogues until 1977.


Engine: 183cc (64x57mm) air-cooled singlecylinder

Power Rating: 175 hp @ 7000 rpm

Valves: two-stroke, ports controlled by piston skin

Fuel System: 24mm carburetor

Transmission: 5-speed, chain final drive

Suspension: telescopic forks (from); swing arm (rear); displacement 3.9/3.0 inches

Brakes: drum (front & rear)

Wheels: 3.00x19 inch (front): 3.50x18 inch • (rear)

Weight: 218 lb

Maximum Speed: 80 mph


Flexible and easily bandied, the TS185 was one of the best hghtweigbt trail bikes of its day.

Motorcycle encyclopedia Moto Passion, realised by François-Marie Dumas, include almost 2000 photos presented with an exhaustive history of the motorcycles exhibited.

This unique collection has been realised with the participation of many specialists. With many thanks in particular to Yves Campion, Michael Dregni, Didier Ganneau, Jean Goyard, Helmut Krackowizer, Michel Montange, Christian Rey, Bernard Salvat, Mick Woollett, etc

One can order here

  • Original cards on paper (in french)
  • High resolution scans or original documents presented and signed with my name.

Please contact me at info@moto-collection.org for conditions and copyright.

© Tous droits réservés
François-Marie Dumas

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