Hey all, glad to have found this forum. I’m working on my brothers 2000 Grizzly 600. Last year I found it to be completely out of oil and would not start. Pull start cord could not be pulled up. Started research on youtube and found one really good series of videos by "Steve someone". Pulled the pull start cover off and put a wrench on the nut and got the piston to free up but pull starter still does not want to pull after the first try. What is my next step? I really do not want to get into the heads. Using a wrench, the piston seems to move freely.