2003 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual, Page 75Get this manual
3-30 FUEL SYSTEM (DFI) Fuel Line
Fuel Pressure Inspection NOTE
Be sure the battery is fully charged
Be sure to place piece of cloth under the fuel supply pipe of the fuel filter
Be prepared for fuel spillage; any spilled fuel must be completely wiped up immediatelyWhen the fuel hose is disconnected, fuel spills out from the hose and the pipe because of residual pressureCover the hose connection with piece of clean cloth to prevent fuel spillage
Loosen the clamp bolt and pull out the fuel supply hose [A]install Quicklypipe [B]the fuel pressure gauge adapter [A] between the fuel supply and the fuel supply hose [C]Connect the pressure gauge [D] to the fuel pressure gauge adapter
Special ToolsFuel Pressure Gauge Adapter: 570011463 Oil Pressure Gauge: 57001125