2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 154Get this manual
4-16 ENGINE LUBRICATION SYSTEM Oil Pan
em ve REngoine :Oil (drain, see Periodic Maintenance chapter)
Engine (see Engine RemovalInstallation chapter) Turn the engine to the sideUnscrew the dipstick tube bolts [A] and pull out the dipstick tube [B]
Unscrew the oil pan bolts [A] and remove the oil pan [B]