1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 345Get this manual
LIGHTSSWITCHES Suspend the oil temperature sensor in heated engine oil to check its operationDo not .Iet the thermometer or sensor touch the pan, or false readings will resultConnect ohmmeter probes across the terminals of the sensor and measure the resistance(1) THERMOMETER (2) OIL TEMPERATURE SENSOR
TECHNICAL DATA
Temperature Resistance 25C (77F) .510.5 k{} 100C (212F) .951.05 k{} 170C (338F) 209231 {}
Replace the sensor if the readings are out of the ranges as shown
INSTALLATION
Install the temperature sensor in the right crankcase and connect the wires
TORQUE: 18 Nm (1.8 kg-m, 13 ft-Ib)
Install the switch cover (page 20-6)Fill the crankcase with the recommended oil (page 2-3)