well on my warrior i check the oil dip stick and the oil was pure black so i went to auto zone got the wet clutch type and went to the yamaha shop and got the oil filter so i get home start it up , ride it around then parked it in my shed to drain the oil . well i get everything and i look under it and the the head of the bolt is stripped. what can i do to get it off? i need help asap im gettin ready to go ridin this weekend