1989 Honda FL400R Pilot Service Manual, Page 246Get this manual
LIGHTSSWITCHES
COOLANT TEMPERTURE SENSOR
REMOVALINSTALLATION
Remove the radiator shroud (page 15-4)Drain the coolant (page 5-4)Remove the temperature sensor from the radiator
Install the temperature sensor to the radiator and connect the wires
TORQUE: 18 N'm (1.8 kg-m13 ft-Ibl Fill the cooling system (page 5-4)
THERMOSTATIC SWITCH
Perform this inspection while the engine is cold