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    Will a regular motor gtubee gt5 fit? WITH a jackshaft?

    Alright, i just got into motor bicycling and i just go myself a 29'er diamondback overdrive. Now, i am concerned a 66/80cc engine and a SBP jack shaft kit will not fit because of clearance issues. I really wish that it would fit because this bike would be a blast with all of its bells and...