Yamaha XP500 - Checking the Radiator

6 - 3
COOL
EAS00455
CHECKING THE RADIATOR
1. Check:
• radiator fins
Obstruction
→
Clean.
Apply compressed air to the rear of the radi-
ator.
Damage
→
Repair or replace.
NOTE:
NOTE:
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.
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a. Install the radiator cap tester
1
and radiator
cap tester adapter
2
onto the radiator cap
3
.
b. Apply the specified pressure for ten sec-
onds and make sure that there is no drop in
pressure.
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4. Check:
• radiator fan
Damage
→
Replace.
Malfunction
→
Check and repair.
Refer to “COOLING SYSTEM” in chapter 8.
Radiator cap opening pressure
107.9 ~ 137.3 kPa
(1.08 ~ 1.37 kg/cm
2
,
15.6 ~ 19.9 psi)
Radiator cap tester
90890-01325, YU-24460-01
Radiator cap tester adapter
90890-01352, YU-33984
RADIATOR AND OIL COOLER