Silk 700S - The Ultimate English Two-Stroke, 1975-1979.
656cc parallel twin leaning forward about 40 degrees, with liquid cooling and no fins on the alloy cylinder barrels, in a steel tubular frame made by Spondon Engineering of Derbyshire
Photographed this one in 1985 at the Santa Pod Raceway, England. Probably less than half a dozen ever made it to the United States













