Difference between revisions of "Yamaha TZ750"
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Georgia pig farmer, Dale Singleton, rode this TZ to victory in the 1981 [[Daytona 200]] Race. These big TZ's were the preferred [[motorcycles]] by the majority of racers of a span of six years until the regulations for the 750cc were changed, and specified [[four stroke]] motors only. The "F" model was the final version of the TZ750s. | Georgia pig farmer, Dale Singleton, rode this TZ to victory in the 1981 [[Daytona 200]] Race. These big TZ's were the preferred [[motorcycles]] by the majority of racers of a span of six years until the regulations for the 750cc were changed, and specified [[four stroke]] motors only. The "F" model was the final version of the TZ750s. | ||
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Revision as of 13:32, 22 August 2010
In 1974, Yamaha came out with its first-born 2-stroke, inline-four production road racer. The TZ700 was a 90 hp, 694cc engine that had the same 64mm bore size as the TZ350 and RD350. It had twin shock rear suspension. In 1975, cylinder bore was increased to 66.4mm yielding 747cc, producing about 15 more hp. The rear suspension was also upgraded to Monoshock.
TZ750A (TZ700)
The first version of the TZ750 was not actually 750cc, but a 700. Yamaha simply doubled up their successful TZ350cc twin to create one of the most successful racing motorcycles that dominated open class racing for a period of ten years. The next version, the "B" model was at last a full 750, obtained by increasing the bore to 66.4 mm, with peak horsepower at 105.
TZ750F
The Yamaha 1979 TZ750 "F" motorcycle was the last version of the TZ750, and was virtually a replica of the OW-31 factory racers. A total of five hundred and sixty seven TZ750s were produced from 1973 to 1979. The "A" version was actually a 700cc, the cylinder bores were increased to give 747cc in 1975.
Georgia pig farmer, Dale Singleton, rode this TZ to victory in the 1981 Daytona 200 Race. These big TZ's were the preferred motorcycles by the majority of racers of a span of six years until the regulations for the 750cc were changed, and specified four stroke motors only. The "F" model was the final version of the TZ750s.
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