2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 227Get this manual
ENGINE BOTTOM END 8-15 Crankcase plitting
Crankcase Splitting
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Engine (see Engine RemovalInstallation chapter)Drain the engine oil (see Periodic Maintenance chapter)Set the engine on clean surface and hold the engine steady while parts are being removedSuitable Props [A] Lower Crankcase Projections [B]