need help? What year pull start recoils are interchangeable on atc 70? Got an 85 motor and a cover off ebay but pull start innard are too deep and hit cracnk bolt and leave gap between recoil and chan side cover? Got the cover gasket off bikebandit OEM??? Are the gaskets very thick for these? Whats the problem? also, is it worth rebuilding carb on it for 25-30.00 or buy new for 50.00?? Help in Ohio???