2008-2010 Kawasaki KFX450R Factory Service Manual, Page 107Get this manual
3-50 FUEL SYSTEM (DFI) Water Temperature Sensor (Service Code 14)
Water Temperature Sensor RemovalInstallation CAUTION
Never drop the sensor, especially on hard surfaceSuch shock to the sensor can damage itengine Remove the right upper Coolantbracketin the Periodic Drain the coolant (see Change Maintenance chapter) Disconnect the sensor connector [A], and unscrew the water temperature sensor [B] Apply grease to new O-ring on the water temperature sensor Install the water temperature sensor.the air from the cooland bleed Fill the engine with coolantChange in the Periodic Mainteing system (see Coolant nance chapter)
Water Temperature Sensor Output Voltage Inspection NOTE
Be sure the battery is fully chargedThe output voltage changes according to the coolant temperature in the engineECU Removal) Remove the ECU (seeconnectorsDo not disconnect the Connect digital meter [A] to the ECU connector [B] with the needle adapter setSpecial ToolNeedle Adapter Set: 57001-1457 Water Temperature Sensor Output Voltage Connections to ECU Connector Meter (+) Meter () lead (terminal 16) BRBK lead (terminal 9)