On September 6 1970 Chuck Palmgren gave Yamaha its first national win on the Mile at Nazareth, PA. Mounted in a Trackmaster frame, the 650cc engine was hopped up by Palmgren himself, with CR Axtell doing the headwork. It wasn't till 1972 that the engine was enlarged to a full 750cc.
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| Palmgren's bike photographed at Daytona, 1999 Classic Racer Mar/Apr 1999 |
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