2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 551Get this manual
LIGHTSMETERSSWITCHES Suspend the Eel sensor in pan of coolant (5050 mixture) on an electric heat ing element and measure (he resistance throug the sensor as the coolant heats upNOTE:
THERMOMETER
Soak the element coolant up to its threads with at least 40 '1 .57 in] from the bottom of the pan 10 he bott om of the sensor Keep the temperature constant for mi nutes befo re testi ngA sudden change of te mpera tu reECT SENSOR
w ill res ult in Inco rrect readi ngsDo not let the
th ermo eter ECT sensor to uch the pan
Resistance: 0.150.16 k11 at 100C 1212'Fj 0.080.10 kU at 120 248 F)
Replace th Eel senso if it is out of specif ications by re th an 10 at any temperature listedAIvdYS