I won't be using my newish chain saw anytime soon. There is still some gas mixture left in it. Is emptying it as simple as turning it sideways and letting dumping it into a container, or will I seriously screw up the engine doing it that way? I've seen many threads about saws leaking just sitting in the garage. Mine doesn't leak, and I don't want to screw it up. It's a Stihl MS-180 if that makes any difference.