Radiator; Checking The Radiator; Installing The Radiator - Yamaha 2011 FZ8NA(C) Service Manual

EAS26390

CHECKING THE RADIATOR

1. Check:
• Radiator fins
Obstruction → Clean.
Apply compressed air to the rear of the

radiator.

Damage → Repair or replace.
TIP
Straighten any flattened fins with a thin, flat-
head screwdriver.
2. Check:
• Radiator hoses
• Radiator pipes
Cracks/damage → Replace.
3. Measure:
• Radiator cap opening pressure
Below the specified pressure → Replace
the radiator cap.
Radiator cap opening pressure
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 radia-
tor cap tester adapter "2" to the radiator
cap "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 sec-
onds and make sure there is no drop in
pressure.
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4. Check:
• Radiator fan
Damage → Replace.
Malfunction → Check and repair.
Refer to "COOLING SYSTEM" on page
8-27.
EAS26400

INSTALLING THE RADIATOR

1. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Refer to "CHANGING THE COOLANT"
on page 3-26.
2. Check:
• Cooling system
Leaks → Repair or replace any faulty
part.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Attach the radiator cap tester "1" and radia-
tor cap tester adapter "2" to the radiator.
Radiator cap tester
90890-01325
Mityvac cooling system tester
kit
YU-24460-A
Radiator cap tester adapter
90890-01352
Pressure tester adapter
YU-33984
6-3
RADIATOR