Honda CBR125R, Owner'S Manual

Page: 169 / 430

COOLING SYSTEM
6-9
Wear insulated
gloves and
adequate eye
protection. Keep
flammable
materials away
from the electric
heating element.
Do not let the
thermostat or
thermometer touch
the pan, or you will
get false reading.
Heat the water with an electric heating element to
operating temperature for 5 minutes.
Suspend the thermostat in heated water to check its
operation.
Replace the thermostat if the valve open at a tem-
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.
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).
THERMOSTAT BEGIN TO OPEN:
74 – 78
°
C (165 – 172
°
F)
VALVE LIFT:
3.5 – 4.5 mm (0.14 – 0.18 in) minimum at 85
°
C
(185
°
F)
THERMOSTAT
THERMOMETER
THERMOSTAT
TORQUE: 13 N·m (1.3 kgf·m, 10 lbf·ft)
COVER
BOLTS
THERMOSTAT
HOUSING
3P (GRAY) CONNECTOR
BOLT
HOSES
BAND SCREWS