Hey guys I’m new into the whole atv stuff and my buddy gave me this Chinese atv,it ran ok the first week and the second week it randomly got better,I took out the starter to get a new electric one and I don’t believe I tightened it back in,on one ride my oil all shot out through the starter, after that I parked her and I put atv 10w40 in her but she won’t run right,at first she rolled some but wouldn’t go over like 10, after another day she doesn’t want to roll at all,you can feel first and reverse engage but it’s like trying to drive a truck without tranny fluid,I want to rebuild or fix the problem but I have no clue where to look first.