Ect Sensor Inspection; Ect Sensor Removal; Ect Sensor Installation - Honda 2010 CRF250R Service Manual

ECT SENSOR
INSPECTION
Drain the coolant from the system (page 6-6).
Remove the Eel sensor (page 5-57).
Heat the coolant (1:1 mixture) with an electric heating
element.
Suspend the
EeT
sensor in heated coolant and
measure the resistance through the sensor as the
coolant heats up.
Soak the
EeT
sensor in coolan t up to its threads
with
at
least 40 mm (1.6 in) from the bollom of the
pan to the bottom of the sensor.
Keep temperature constant for 3 minutes before
testing. A sudden change of temperature will result
in incorrect readings. Do not lei the thermometer or
Eel sensor touch the pan.
Temperature
Resistance
40°C (1040F)1 1000C (212"F)
l
1.0 - 1.3 kG 0.14 - 0.17 kO ]
Replace the Eel sensor if it is out of specifications.
Install the ECT sensor (page 5~57)_
REMOVAL
Drain the coolan t (page 6-6).
Remove the exhaust system (page 2·9).
Disconnect the EeT sensor 2P (Black) connector.
Remove the ECT sensor and O-ring.
INSTALLATION
Install a new O-ring onto the ECT sensor.
Install and tighten the ECT sensor to the specified
torque.
TORQUE : 12 N' m (1.2 kgf'm , 9 IbHt)
Connect the ECT sensor 2P (Black) connector.
Install the exhaust system (page 2-9).
Fill and bleed the cooling system (page 6-6).
FUEL SYSTEM (PGM-FI)
=
ECT SENSOR
5-57