2003-2006 Kawasaki KFX400 service manual, Page 164Get this manual
COOLING AND LUBRICATION SYSTEM
INSPECTION
Check the thermo-switch closing or opening temperatures by testing it at the bench as shown in the figureConnect the thermo-switch to circuit tester and place it in the oil contained in pan, which is placed on stove Heat the oil to raise its temperature slowly and read the column thermometer when the switch closes or opens09900-25008: Multi circuit tester set Tester knob indication: Continuity test) Cooling fan thermo-switch operating temperature Standard (OFFON): Approx88C (190F) (ONOFF): Approx82C (180F)