For 88ish gsxr or katana, parts listing shows two fiber clutch disks 2 of #21442-48b00 for innermost and outermost position and 9 of #21441-48b00 for the rest. White paint spots on the special ones. Does anyone know the difference between the two? No explanation in the shop manual . No help at the dealership. can the special ones be used to replace the non special ones?