2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 352Get this manual
ELECTRICAL SYSTEM 14-37 Ignition System WARNING
The ignition system produces extremely high voltageDo not touch the spark plugs, ignition coils, or spark lug leads while the engine is running, or you could receive severe electrical shock
CAUTION
Do not disconnect the battery cables or any other electrical connections when the ignition switch is on, or while the engine is runningThis is revent ECU (Electronic Control Unit) damageDo not install the battery backwardsThe negative this to the diodes and ECU
C Se Re mo l
em ve REngoine :(see Engine RemovalInstallation chapter) Crankshaft Sensor Cover Bolts [A] Crankshaft Cover [B]