49cc ported. top speed

  1. Hashbrown

    49cc ported and skirted

    I just bought a new “ported” jug with 40mm intake and rounded exhaust port. And i skirted the piston a little. I went from 25mph to being able to reach 33mph!! I also bought a 36t sprocket but im waiting to install it till i get better rims. Here is a link to it running. I think it may be...