Helkama Mini with DEMM engine
27. Nov, 2011 
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moped with demm (italian engine), 1966, Helkama manufactured these kind of bikes during the 60′s, it wasn’t very popular bike. the frame and wheels are kinda crap, but best part is the DEMM engine as it has very short stroke and can be tuned, it revs like a chain saw. But it has only two [...]
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