2000-2001 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual., Page 241Get this manual
ELECTRICAL SYSTEM 13-29 Sensors
Speed Sensor inspection Disconnect the speed sensor connectors [A] (see Wiring Diagram)
Connect the battery and tester leads to the sensor as shown
Rotate the waterwheel by hand slowly
e Measure the output voltage of speed sensor
If the voltage does not rise from zero to about 10 volts twice rotation,