2003 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual, Page 69Get this manual
3-24 FUEL SYSTEM (DFI) Fuel Filter
Fuel Filter Removal NOTE
The fuel filter is designed to be used throughout the watercraft's life without any maintenance if it is used under normal conditions
Gasoline is extremely flammable and can be explosive under certain conditionsPull the lanyard key off the stop buttonMake sure the area is well-ventilated and free from any source of flame or sparks; this includes any appliance with pilot lightDo not smoke