How about starting a Mack bike motorclub?

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A few weeks ago Denny Eggert explained us all the ins and outs of the 1909-1912 Mack motorcycle engine. He now sends us this picture of an original Mack engine mounted in a 1914 Jefferson motorcycle (click main pic for better view). He tells us that the bike is owned by Jeffery Heberman in Wisconsin, but that’s all we know about it. Can someone please tell us more about this intriguing set-up? Probably not many - if any - others around? For sure we will ask the AMCA.

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