some guy thought it was seaized after he installed new piston and rings.. said it was stuck.. so i traded him, then went home i took magnet and put near crank moved it around some and pushed on kicker.. and out came a bolt and nut he probably didnt notice that fell in.. turned right over no problem.. missing caliper and rear plastics.. looking for advice on the bike she had pro circuit pipe fmf powercore silencer carbon tech reeds new spark new oil.. just top end a lil boggie not sure why.. main jet?