2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 143Get this manual
ENGINE LUBRICATION SYSTEM 4-5 E Ch t
21Oil Separator Tank 22to Air ilter 23to Oil Pan 24Joint 25Camshaft il Passage 26Camshaft Cap Oil Passage 27Oil Passage (from Oil Pipe to Camshaft Cap)