4 stroke mods

  1. Will'smotobikes19

    Thinking of modding my 79cc

    While my 79cc motor is on the bench I think I will modify it. It already has a better plug so I'll probably get a bigger main jet, remove governor, make the exhaust into a straight pipe and was even thinking of taking the stock valve springs from the 212 hemi and putting them in the 79cc. Upon...