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7-4
COOLING
AND
LUBRICATION
SYSTEM
RADIATOR AND WATER HOSES
RADIATOR REMOVAL
• Remove the under cowling.
(CT8-3)
• Drain the engine coolant.
(CT2-19)
• Remove the radiator.
(CT3-4)
RADIATOR CAP INSPECTION
• Fit the cap
CD
to the radiator cap tester
~.
• Build up pressure slowly by operating the tester. Make sure
that the pressure build-up stops at 95 - 125 kPa (0.95 - 12.5
kgf/cm
2
,
13.5 - 17.8 psi) and that, with the tester held stand-
still, the cap is capable of holding that pressure for at least 10
seconds.
• Replace the cap if it is found not to satisfy either of these two
requirements.
~
Radiator cap valve opening pressure
Standard: 95
-125
kPa
(0.95
-1.25
kgf/cm
2
,
13.5
-17.8
psi)
RADIATOR INSPECTION AND CLEANING
• Road dirt or trash stuck to the fins must be removed.
• Use of compressed air is recommended for this cleaning.
• Fins bent down or dented can be repaired by straightening
them with the blade of a small screwdriver.