2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 380Get this manual
STORAGE 15-3 Preparation for Storage
Re)move the fuel pump (see the Fuel System (DFI) chapter Ceeraonditc fauieltepnuampescrheaepnte[rA (see Fuel System in the Pi Mn ncthe with (2 gal U.Sto Tursnhtthhee ilgniyiarndskwiytcuhnon.r the stop button, and start the Pngine andnrun it ine15 sdeond periods until all fuel in the ec
fuel system is with fresh fuelWait minutes between 15 seconds running periods
CA UTION
Do not run the engine without cooling water supply for more than 15 seconds at time or severe engine and exhaust system damage will occurul Ponl shweitlcahnyafr.d key off the stop button and turn the igniti of Drain the fuel tank Leave the fuel filler cap loose to prevent condensation in the ta k