1982 Yamaha Seca Turbo
All of Japan's 'Big Four' motorcycle manufacturers offered turbocharged bikes in the Eighties. Yamaha's Seca-Turbo 650 was shaft-driven and featured distinctive styling.
As more power was coaxed out of naturally-aspirated engines, the more expensive and complex turbos fell out of favor. 1985 would be the last year a production turbocharged motorcycle was offered for sale in the U.S.
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