Gs500 problems...won't start

[cmat1120]

THANK YOU!!!! I'm so relieved now haha. So I got that guy out of there(the oil was very diluted anyways so it needed to be changed). I am now going to clean up the pistons and if they seem alright, I'll probably just put it back together and reshim the valves. If anyone knows where I could buy piston rings it might not be a bad idea for me to change those out and hone the cylinders, but I cant find them anywhere.