guy that had it before me had a bad battery in it but he could still ride it on pull start and did for like 2 weeks and i got it and put a brand new battery in it and within a week it was dead found out it was to small of a battery for the wheeler and got another new one and still does it i checked the voltage on the battery with the wheeler running and it steadily drops voltage off the battery and if you rev it up it sucks it even faster but the stator is working correctly i already checked that, any ideas???