yd100

  1. M

    YD100 stopped, barely runs now

    YD100 (78cc). Maybe 2 months old. Bought new. My second motorized bicycle. Used for 4 mile round trip commuting daily. 67 jet. 1:40 gas/Lucas oil since new. 10/36t. Champion 811 plug. Ran wonderfully. Comfortable 37MPH top speed. Calm 30+MPH cruising. Good times. Started easily in...