2007-2010 Kawasaki Ultra 250X/260X/260LX PWC Factory Service Manual, Page 288Get this manual
COOLING AND BILGE SYSTEMS 9-15 After Submerging
CAUTION
Do not operate the watercraft with water in the engineDo not try to start the engine until it is completely empty of water; internal engine parts could be severely and immediately damagedIf water gets into the engine, follow this procedure immediately! If water is left in the engine more than few hours, it will destroy the crankshaft bearings and damage other internal engine partsIf the watercraft becomes swamped, water may enter the engine and the superchargerWater may also enter the fuel tankThe following procedures explain the necessary steps you must provideRead the summary of the procedure first and then their detailed procedures carefully