Yamaha F9.9B Owner's Manual page 93

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3) Remove the gear oil drain screw 1.
w
4) Remove the oil level plug 2 to allow
cC
Inspect the used oil after it has been
drained. If the oil is milky, water is get-
ting into the gear case which can cause
q
gear damage. Consult a Yamaha dealer
001545
for repair of the lower unit seals.
NOTE:
For disposal of used oil consult your
Yamaha dealer.
5) With the outboard motor in a vertical
Gear oil grade and capacity:
6) When the oil begins to flow out of the
7) Insert and tighten the gear oil drain
001546
the oil to drain completely.
position, and using a flexible or pressur-
ized filling device, inject the gear oil into
the gear oil drain screw hole.
See "Specifications" in this chapter.
oil level plug hole, insert and tighten the
oil level plug.
screw.
E
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