Originally Posted by Spyker
What would you look for in the starter hole?
Pull the starter. Hold the clutch lever in (tie it off if you're by yourself) and use a thin screwdriver at the edge of the clutch disc to rotate the clutch disc back and forth. You can see the input splines if you look in the hole at the correct angle. The splines and disc should rotate together. If the disc will move on the splines you have a problem. It's an easy test once you play with it a little bit. Good luck.