Promotional handout, showing the 1975 Maico 250 Radial. The 1973 through 1975 Maico 250 radials, though certainly not slow, incorporated a porting design defect that limited engine performance. Gig Hamilton recognized this defect, and was one of the few Maico tuners who could unleash the true potential of the early 250 Radial. (Photo: collection of the author)

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