Post by tweak54 on Jan 27, 2020 13:36:27 GMT -6
i have a gy6 150cc scooter 157QMJ.ok started out with no spark replace the whole charging system. runs great, the problem is wen the head light is plugged in the voltage goes down not under 12.5 and will not go any higher, unplug the head light and it goes to 14v