Yamaha F9.9B, Ower'S Manual

Page: 93 / 124

E
4-24
3) Remove the gear oil drain screw
1
.
4) Remove the oil level plug
2
to allow
the oil to drain completely.
c C
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
gear damage. Consult a Yamaha dealer
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
position, and using a flexible or pressur-
ized filling device, inject the gear oil into
the gear oil drain screw hole.
6) When the oil begins to flow out of the
oil level plug hole, insert and tighten the
oil level plug.
7) Insert and tighten the gear oil drain
screw.
Gear oil grade and capacity:
See “Specifications” in this chapter.
001545
w
q
001546
6G8-9-1L-4 3/26/02 11:58 AM Page 25