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4 stroke transmission

  1. Danaman117

    49cc 4 stroke redlining at 15mph..

    I have a new 49cc 4 stroke 5g with dual chain automatic transmission. The gear on the mag rims is a little smaller than the standard bike kit sproket but with my 2 stroke i was going 30 easy with the same gear.. its like I have one speed very powerfull on start actually wants to pop a wheelie. I...