runtong carb

  1. MattK

    Carburettor Plug and Jet change (on 49cc china motor) Observations

    I Replaced stock items with Runtong (RACING CARBURETOR 2 STROKE MOTORIZED PUSH BIKE 49/66/70/80cc Engine KIT AU). So; My first run, I have to say I was not impressed at all. Mid to full throttle doesn't exist. The engine peeks at half throttle and after that all you get is a muffled change in...