| Yamaha XS1 development story |
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XS650 (XS1) 1) Summary of production. The XS650, the largest 4-stroke motorcycle ever made by Yamaha, was launched during the Tokyo Motorshow in October 1969 and was commercialised in March 1970. Production ceased in the spring of 1980, bringing the total production to nearly 300.000 units. 2) Specification Engine 4-stroke, OHC, Parallel twin, displacement 653 ccm. Transmission 5 speed gearbox, chain final drive. Etc. 3) Objective of the development The 650 XS1 was the first 4 stroke engine motorcycle ever developed by Yamaha and also the first large displacement engine. Prior to this one the largest engine was the YR-1 Yamaha 2-stroke twin.
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| Last Updated ( Friday, 01 February 2008 ) |
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