Can anybody able to tell me the thickness of the shims A, B, C, & D for the reverse gear on a 2001 BF90 lower unit. Part numbers are 90538-ZW1-B00, 90539-ZW1-B00, 90540-ZW1-B00, & 90541-ZW1-B00........ Trying to get rid of the fore/aft play in the propshaft after installing new clutch, reverse...