Yamaha FX Nytro 2008 Manuel D'atelier page 540

RADIATOR
INSPECTION
1. Inspect:
• Radiator inlet hose
• Radiator outlet hose
• Coolant reservoir hose
Cracks/damage → Replace.
2. Check:
• Radiator fins
Obstruction → Clean.
Apply compressed air to the rear of the radia-
tor.
Damage → Repair or replace.
NOTE:
_
Straighten any flattened fins with a thin, flat-head
screwdriver.
3. Measure:
• Radiator cap opening pressure
Cap opens with a pressure below the speci-
fied pressure → Replace.
Radiator cap opening pressure:
107.9 ~ 137.3 kPa
(1.08 ~ 1.37 kg/cm
4. Check:
• Radiator fan
Damage → Replace.
Malfunction → Check and repair.
Refer to "COOLING SYSTEM" in CHAPTER
8.
Measurement steps:
• Attach the radiator cap tester 1 and radiator
cap tester adapter 2 to the radiator cap 3.
Radiator cap tester:
90890-01325
Radiator pressure tester:
YU-24460-01
Radiator cap tester adapter:
90890-01352
Radiator pressure tester adapter:
YU-33984
• Apply the specified pressure for 10 seconds
and make sure there is no pressure drop.
6-3
COOL
2
, 15.3 ~ 19.5 psi)