1995-1997 Kawasaki 750ZXi-900ZXi Jet Ski Repair Manual., Page 104Get this manual
ENGINE BOTTOM END 7-15
Greas the lips of the oil seals Pack grease [A] between the rear oil seals (coupling side)
Instalthe oil seals as shownDouble Lips Seals [A] Single Lip Seals [B]
Plac the crankshaft assernblty [A] in the upper crankcase half so that the position ring [B] on the crankshaft assembly fits into the groove [C]in the crankcase