Most of the clutches I ever took apart, had lock-tite used on them so a little gentle heat works wonders, even if all you have is a propane torch to soften the lock-tite. I would think if you used some emery cloth and some lube, you should be able to clean up that shaft enough, and then add some lube that it will work itself free without having to go through all that bother as they can be a real bugger to get apart sometimes. Hope this helps...Rob.