47cc to a 49cc

Discussion in 'Motorized Bicycle General Discussion' started by rohan3ni, May 8, 2010.

  1. rohan3ni

    rohan3ni New Member

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    aight well i dont know if you guys know about mini bikes engines. i have a 47cc and got a upgrade kit to a 49cc. i want to know which way does the piston pose to go in? on top of the 49cc piston have a arrow and on the side have a hole. do you guys know ?
     

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