2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 156Get this manual

ENGINE REMOVALINSTALLATION Disconnect the engine coolant temperature (ECT) sensor connector
ECT SENSOR CONNECTOR Remove the bolts and oil pipes from the oil tankBOLTS

OIL PIPES Disconnect the engine oil temperature (EOT) sensor connector and remove the EOT sensor and sealing washer

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