Honda NX250 Shop Manual page 264

LIGHTS/METERS/SWITCHES
Drain the coolant (page 5-4) and remove the temperature sen-
sor.
Suspend the temperature sensor in a pan of coolant over a
heater and measure the resistance through the sensor as the
coolant heats up.
Temperature
Resistance
AWARNING
Wear gloves and eye protection.
NOTE
• The coolant must be used as the heated liquid to check the
function above 100°C (212°Fh
• You will get false readings if either the sensor or
thermometer touches the pan.
Replace the sensor if it is out of specifications by more than
10% at any temperature listed.
Apply sealant to the temperature sensor threads.
Install the temperature sensor to the cylinder head.
TORQUE: 10 N-m (1.0 kg-m, 7 ft-lb)
Connect the Green/Blue wire to the temperature sensor.
Fill the cooling system (page 5-4).
19-10
50°C 100°C
(122°F) (212°F)
25-30 Й
130-180 fl
11) TEMPERATURE SENSOR
{2) THERMOMETER