2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 371Get this manual
ELECTRICAL SYSTEM 14-59 M ult ifun cti on Meter
Tachometer Inspection
o ne ty sa Cernas cstpteceif1e2dVinbtahtee"rDiandatyerFminncatlis ninInhse ectme "mann spl ion evol u( )q np Trheurencyutisonnsdpcearteminin teherpomcielatuoirva[Ae]nitf ttohehsqiuaruet eq ii sl wave (illustrated as shown) would be input into the terminal [7]The tachometer indicates approximately 000 rmin (rpm) in case the input frequency would be approximately 100 HzIf the tachometer does not work normally, replace the meter assembly