2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 110Get this manual
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ENGINE TOP END 6-9 Engine Top End
Cylinder Block: Studs: PN 11005-3744 PN 92004-3736 (Length: 56 mm, 2.20 in PN 92004-3735
on the Install the water pipe [A]gaskets cylinder.each cyl