huasheng 142f
  1. Tom74

    Extreme 4 stroke engine vibration Huasheng 142f

    The first time started my Huasheng 142f 49cc 4 stroke motorized bike, it ran perfectly just like I wanted to, the idle was super smooth and very quiet. But when I actually used it vibrated A LOT. I did some research online about it but I found nothing helpful that could answer my problem. Now...