Air Cooler Check - Yamaha WaveRunner FZR-GX1800 Service Manual

POWR
Air cooler, supercharger, and throttle body assembly
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1
3
a
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Air cooler check

NOTICE
The air cooler assembly should not be dis-
assembled.
1. Check:
• Air cooler assembly
Cracks/damage → Replace the air
cooler assembly.
• Air cooler holding pressure
Cannot be maintained → Replace the
air cooler assembly.
Checking steps:
TIP
When checking the air cooler, connect the
hoses 1 to the air cooler.
1. Connect the special service tool 2 to the
inlet or outlet of the air cooler water pas-
sage.
Leakage tester 2:
90890-06840
2. Cover the other end a of the water pas-
sage with a finger.
3. Apply the specified positive pressure and
check that the pressure is maintained.
Specified positive pressure (water
passage):
200 kPa (2.0 kgf/cm
4. Connect the special service tools 2 and
3 to the inlet and outlet of the air cooler
air passage.
Air cooler attachment 3:
90890-06731
5. Apply the specified positive pressure and
check that the pressure is maintained.
Specified positive pressure (air
passage):
100 kPa (1.0 kgf/cm
E
1
2
3
4
5
6
2
, 28.5 psi)
7
8
2
, 14.2 psi)
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