cns hp carb

  1. K

    66cc Tuning a YuanDung Skyhawk C-32CNS66-EPA Carburator

    I'm trying to tune this carburettor and it's not easy. It has 2 jets 1 for idling and another I guess for throttling.It has an Idle screw and an Air screw. I can ride it but when I stop and allow it to idle it has a lot of exhaust and getting it to a mild idle is hard and when I did get it I...