Honda CBR650RA Shop Manual page 245

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INSPECTION
Visually inspect the thermostat [1] for damage.
Replace the thermostat if the valve stays open at room
temperature.
Check the seal ring [2] for damage and replace if
necessary.
Heat the water with an electric heating element to
Wear insulated
operating temperature for 5 minutes.
gloves and
adequate eye
Suspend the thermostat [2] in heated water to check its
protection. Keep
operation.
flammable
materials away
THERMOSTAT BEGIN TO OPEN:
from the electric
80 – 84°C (176 – 183°F)
heating element.
Do not let the
VALVE LIFT:
thermostat or
8 mm (0.3 in) minimum at 95°C (203°F)
thermometer [1]
Replace the thermostat if it responds at temperatures
touch the pan, or
other than those specified.
you will get false
reading.
RADIATOR/COOLING FAN
PULL DOWN THE RADIATOR
• Perform this procedure, before removing the
following:
– Radiator (page 8-8)
– Exhaust pipe/muffler (page 2-17)
– Front wheel speed sensor (page 19-23)
Remove the following:
– Middle cowl (page 2-7) (CBR650RA)
– Under cowl (page 2-11) (CBR650RA)
– Shroud (page 2-10) (CB650RA)
– Radiator lower mounting bolt [1]
– Radiator lower stay mounting bolt [2]
– Radiator lower stay [3]
Remove the radiator upper mounting bolt [4] and
release the radiator mounting rubber [5] from the boss
[6] of the frame.
Pull off the heat guard rubber [7] and pull down the
radiator [8].
Installation is in the reverse order of removal.
COOLING SYSTEM
[2]
[6]
[2]
[2]
[1]
[1]
[7]
[4]
[5]
[8]
[1]
[3]
8-7