Tighten down that puller as much as you dare, pick the saw by the puller and whack on the end of it with a hammer. If you screw up the main bearings (not likely), they aren't hard to change. I've never let a flywheel stop me in my tracks like this. Maybe a little heat on the flywheel to help out.
Chris B.
Yep and if that don't work get a bigger hammer! :hmm3grin2orange: