YAMAHA Marine 100A Manuel D'entretien page 122

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INSP
ADJ
LOWER UNIT
3230
3240
Filling steps
(1) Place the outboard in an upright posi-
tion.
(2) Insert the gear oil tube into the drain
hole and slowly fill the gear oil until oil
flows out of the check hole and no air
bubbles are visible.
(3) Install the gear oil level check screw
and then quickly install the gear oil
drain screw.
Gear oil level check screw
7 Nm (0.7 m • kgf, 5.1 ft • lb)
Gear oil drain screw
7 Nm (0.7 m • kgf, 5.1 ft • lb)
INSPECTING THE LOWER UNIT
(FOR AIR LEAKS)
Inspect:
• Lower unit holding pressure
Pressure drops → Inspect the seals
and components.
Lower unit holding pressure
100 kPa (1.0 kg/cm
Inspecting steps
CAUTION:
Do not overpressurize the lower unit.
Excessive pressure may damage the oil
seals.
(1) Remove the gear oil level check screw.
(2) Install the pressure tester into the
check hole.
Pressure tester
YB-35956 / 90890-06762
(3) Apply the specified pressure.
NOTE:
The lower unit should hold the specified
pressure for 10 seconds.
3-20
E
3
2
, 14.2 psi)

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