2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 315Get this manual
ELECTRICAL SYSTEM 14-3 Parts Location
1Bow 2Ignition Coil #2, #3 3Ignition Coil #1, #4 4Crankshaft Sensor 5Magneto 6Starter otor 7Fuse Case 8RegulatorRectifier 9ECU (Electronic Control Unit) 10Starter Relay 11Battery 12Relay Assembly (Main RelayFuel Pump Relay)