2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 257Get this manual
14-56 ELECTRICAL SYSTEM Multifunction Meter
Tachometer Inspection
the same man Connect the 12 Vinbattery and terminals inInspection"ner as specified the "Display Function The revolutions per minute (rpm) equivalentif to the input frequency is indicated in the oscillator [A] the square wave (illustrated as shown) would be input into the terminal [7]The tachometer indicates approximately 000 rpm in case the input frequency would be approximately 66 HzIf the tachometer does not work normally, replace the meter assembly