2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 91Get this manual
FUEL SYSTEM (DFI) 3-43 Vehicle-down Sensor (Service CodeCharacter-31dOS)
Vehicle-down Sensor Inspection NOTE
em RFueove:nk (see Fuel Tank Removal) Ta
Be sure the battery is fully charged
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Special ToolNeedle Adapter Set: 57001-1457 Vehicle-down Sensor Power Source Voltage to te (+] te)[ ]