Some of the most interesting, groundbreaking, or just plain weird motorcycles that have appeared in the AMA Motorcycle Hall of Fame Museum.
1974 Harley-Davidson XR750 Dirt-Tracker
Any bike that carries a rider to an AMA Grand National Championship is special. But this 1974 Harley-Davidson XR750 holds an interesting distinction. It was ridden by one national champion, and then tuned by him to help carry another champion to the title.
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