I may be wrong, but didn't they change the mainshaft/pully spline pattern somewhere in the mid 90's to help with this? I thought it worth mentioning so Banjer doesn't get the wrong spline.
The pulley was made thicker at the spline area, and instead of a single bolt locking system there is a plate held on by two bolts to immobilize the nut. The spacer is also narrower due to the increased thickness of the pulley.
