http://www.chopcult.com/forum/showthread.php?t=6604
At this time you will need to modify the Woodruff key mentioned in the list of needed parts.
The Banshee Flywheel uses a 3/16" key, while the XS650 crankshaft uses a smaller key. this took about
5 minutes with a good file. Its a small part to photograph, I'll try to show lots of pics.