Cooper (motorcycles). likely not made

Cooper was a brand of off-road motorcycles made in Mexico using engine parts made in Italy and later, engines made by Sachs. Imported into the United States in the early 1970’s by Frank Cooper and sold as Cooper. Frank Cooper was a dealer for Maico when he contracted with Mexican motorcycle company, Islo to produce an Enduro and also a motocross model.

Islo also made a trials bike from 1971 - 1975 called GRM (Grapevine Racing Motors) that was imported to the USA, for Bill Grapevine, who designed the bike. Islo also supplied the engines for California’s Jones Motorsports who had the AMMEX motorcycle franchise. The Islo manufacturing facilities and name were bought by Honda around 1982

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