Yamaha FJR13AG Service Manual page 442

EAS31659
REMOVING THE RADIATOR
1. Pull the top of electrical components tray "1"
slightly outward as shown in the illustration
and then remove the radiator bolt "2".
2
EAS30439
CHECKING THE RADIATOR
1. Check:
• Radiator fins
Obstruction → Clean.
Apply compressed air to the rear of the radia-
tor.
Damage → Repair or replace.
TIP
Straighten any flattened fins with a thin, flat-head
screwdriver.
2. Check:
• Radiator hoses
Cracks/damage → Replace.
3. Measure:
• Radiator cap opening pressure
Below the specified pressure → Replace the
radiator cap.
Radiator cap valve opening pres-
sure
93.3–122.7 kPa (0.93–1.23
kgf/cm², 13.5–17.8 psi)
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a. Install the radiator cap tester "1" and radiator
cap tester adapter "2" to the radiator cap "3".
1
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6-3
Radiator cap tester
90890-01325
Mityvac cooling system tester kit
YU-24460-A
Radiator cap tester adapter
90890-01352
Pressure tester adapter
YU-33984
b. Apply the specified pressure for ten seconds
and make sure there is no drop in pressure.
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4. Check:
• Radiator fans
Damage → Replace.
Malfunction → Check and repair.
Refer to "COOLING SYSTEM" on page 8-51.
EAS30440
INSTALLING THE RADIATOR
1. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Refer to "CHANGING THE COOLANT" on
page 3-29.
2. Check:
• Cooling system
Leaks → Repair or replace any faulty part.
3. Measure:
• Radiator cap opening pressure
Below the specified pressure → Replace the
radiator cap.
Refer to "CHECKING THE RADIATOR" on
page 6-3.
RADIATOR
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