Story and Photographs Courtesy Ben Ludolphy
The first time that we heard something of the GM engine was back in 1979, when, in an Italian motorcycle magazine we found an article of a brand new speedway engine made by Giuseppe Marzotto. Long ago as 1964, Marzotto started out with Moto-X racing and for some 10 years, he was to race on many different machines such as Greeves, Maico and Husqvarna. But Moto X racing plus hard work on the farm of his parents was simply too much.
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