2004-2005 Honda TRX450R Factory Sevice Manual, Page 323Get this manual

ELECTRICAL
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
INSPECTION
Drain the coolant (page 7-7)Disconnect the EeT sensor connector and remove the EeT sensor
Suspend the EeT sensor in pan of coolant (5050 mixture) on an electric heating element and mea-

sure the resistance through the sensor as the coolant heats upNOTE:

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives