2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 228Get this manual
8-16 ENGINE BOTTOM END Crankcase plitting
Crankcase Assembly AUT ION
The upper and lower crankcase halves are mac the fa ththe crankcase halves must be replaced as setih nt Wcteshoighh-elacsrh npkociasessohvalnte,scaleanwoipfethey.mating surfa ft nd dr Using compressed air, blow out the oil passages in the crankcase halvess al InCrtanl:kshaft [A] and Connecting Rods (see Crankshaft Installation) Camshaft Chain [B] Oil Pump Sprocket Chain [C] Dowel Pins [D] Oil Passage Pipe [E] with O-ring Oil Seal [F]
ri Belfoowenfgt.ting the lower case on the upper case, check the fol i
Be sure to hang the camshaft and oil pump sprocket chain