1996-2002 Kawasaki 1100ZXi Jet Ski Factory Service Manual., Page 88Get this manual
ENGINE BOTTOM END 7-9
Installthe oil seals as shown Double Lips Seals [A] Single Lip Seals]
Plac the crankshaft assembly [A] in the upper crankcase half so that the position ring [B] on the crankshaft a,ssembly fits into the groove [C]in the crankcase
Chec that the knock pins [A] are in place, Wit high flash-point solvent, clean off the mating surfaces of the crankcase halves and wipe dry(Apply liquid gasket to the mating surface of the lower crankcase halfInstall the lower crankcase half onto the upper half