Thermostat Housing - Honda CBR125R Owner's Manual

Heat the water with an electric heating element to
Wear insulated
operating temperature for 5 minutes.
gloves and
Suspend the thermostat in heated water to check its
adequate eye
operation.
protection. Keep
flammable
THERMOSTAT BEGIN TO OPEN:
materials away
74 – 78°C (165 – 172°F)
from the electric
heating element.
VALVE LIFT:
Do not let the
3.5 – 4.5 mm (0.14 – 0.18 in) minimum at 85°C
thermostat or
(185°F)
thermometer touch
the pan, or you will
Replace the thermostat if the valve open at a tem-
get false reading.
peratures other than those specified.
INSTALLATION
Install the thermostat into the housing.
Install the thermostat housing cover onto the hous-
ing.
Install and tighten the housing cover bolts to the
specified torque.
TORQUE: 13 N·m (1.3 kgf·m, 10 lbf·ft)
Remove the suitable support and close the fuel tank
(page 3-6).
Fill the system with the recommended coolant and
bleed any air (page 6-6).

THERMOSTAT HOUSING

REMOVAL/INSTALLATION
Drain the coolant (page 6-7).
Lift and support the fuel tank (page 3-6).
Disconnect the ECT sensor 3P (Gray) connector.
Loosen the water hose band screws and disconnect
the water hose from the thermostat housing.
Remove the bolt and thermostat housing.
Install the thermostat housing in the reverse order
of removal.
Fill the recommended coolant mixture to the filler
neck and bleed the air (page 6-6).
COOLING SYSTEM
THERMOSTAT
THERMOSTAT
BOLTS
HOSES
3P (GRAY) CONNECTOR
THERMOMETER
COVER
BAND SCREWS
BOLT
THERMOSTAT
HOUSING
6-9