2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 251Get this manual
14-50 ELECTRICAL SYSTEM Sensors
Throttle Sensor Adjustment
Check the throttle sensor output voltage (see Throttle Sensor Inspection)
If the output voltage is out of the range, adjust it as followsLoosen the sensor mounting screws [A]Adjust [B] the position of the sensor until the output voltage is within the specified range
Water Temperature Sensor Inspection