2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 230Get this manual
ELECTRICAL SYSTEM 14-29 Ignition System WARNING
The ignition system produces extremely high voltageDo not touch the spark plugs, ignition coils, or spark plug leads while the engine is running, or you could receive severe electrical shock
Crankshaft Sensor Inspection
Disconnect the 2-pin crankshaft sensor leads connector (Blue) [A]tester to the 100 it, and Set the handthe crankshaft sensor range, zero (G and connect it to lead terminals
BL) in the connectorIf there is more resistance than the specified value, the sensor has an open lead and must be replacedMuch less than this resistance means the sensor is shorted, and must be replacedCrankshaft Sensor Resistance Standard: 396 594 Special ToolHand Tester: 57001-1394