http://www.nsr250.net/forums/viewtopic.php?t=8852&highlight=tyga+puller
See my follow up reply to my own post.  Tyga's original puller which is sold out has been superceded by another one.  I found a puller locally which I believe is for an older Honda 70 but haven't tried it yet.
Craig            				            
            
            
			
