Kawasaki KLE500 (2004) [102/401] 8 cooling system
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Kawasaki KLE500 (2004) [102/401] 8 cooling system

Kawasaki KLE500 (2004) [102/401] 8 cooling system
4-8 COOLING SYSTEM
Coolant
Coolant Deterioration Inspection
•
Visually inspect the coolant in the reservoir tank.
○
If whitish cotton-like wafts are observed, aluminum parts
in the cooling system are corroded. If the coolant is
brown, iron or steel parts are rusting. In either case flush
thecoolingsystem.
○
If the coolant gives off an abnormal smell, check for a
cooling system leak. It may be caused by exhaust gas
leaking into the cooling s ystem.
Coolant Level In spection
•
Refer to the Coolant Level Inspection in the Periodic Main-
tenance chapter.
Coolant D raining
•
Refer to the Coolant Change in the Periodic Maintenance
chapter.
Coolant Filling
•
Refer to the Coolant Change in the Periodic Maintenance
chapter.
Visual Leak Inspection
Any time the system slowly loses water, inspect for leaks.
•
Check the water pump body drainage outlet passage [A]
for coolant leaks.
If the mechanical seal is damaged, the coolant leaks
through the seal and drains through the passage. Re-
place the mechanical seal.
If there are no apparent leaks, pressure test the system.
Cooling System Pressure Testing
CAUTION
During pressure testing, do not exceed the pres-
sure for which the system is designed. The maxi-
mum pressure is 123 kPa (1.25 kgf/cm², 18 psi).
•
Remove the left lower fairing (see Lower Fairing Removal
in the Frame chapter).
•
Remove the radiator cap, and install a cooling system
pressure tester [A] on the radiator filler neck.
NOTE
○
Wet the cap sealing surfaces with water or coolant to
prevent pressure leaks.
•
Builduppressureinthesystemcarefullyuntilthepres-
sure reaches 123 kPa (1.25 kgf/cm², 18 psi).
•
Watch the gauge for at least 6 seconds. If the pressure
holds steady, the system is all right.
If the pressure drops and no external source is found,
check for internal leaks. Droplets in the engine oil indicate
internal leakage. Check the cylinder head gasket and the
cylinder liner O-rings.
•
Remove the pressure tester, replenish the coolant, and
install the radiator cap.

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