We are getting ready to put an EBC clutch in an 01 warrior. The Clymer manual talks about lining up the smaller id friction plate with the arrow on the clutch boss. Problem is the smaller friction plate has no notch. All the other plates do. What is the significance of the notch? I assume it is just to make sure the smaller id plate is installed against the clutch boss. The new clutch is sitting in oil waiting to be installed. Any help would be