Yamaha F300 Owner's Manual page 105

cessive quantity of metal particles on
the magnetic gear oil drain screw,
this can indicate lower unit problem.
Consult your Yamaha dealer.
2 3
1 3
1. Gear oil drain screw
2. Oil level plug
3. Gasket
5. Remove the oil level plug and gasket to
allow the oil to drain completely. NO-
TICE: Inspect the used oil after it has
been drained. If the oil is milky, water
is getting into the gear case which
can cause gear damage. Consult a
Yamaha dealer for repair of the lower
unit seals.
[ECM00711]
TIP:
For disposal of used oil, consult your
Yamaha dealer.
6. Put the outboard motor in a vertical po-
sition. Using a flexible or pressurized fill-
ing device, inject the gear oil into the
gear oil drain screw hole.
Recommended gear oil:
Hypoid gear oil SAE 90 or 80W-90,
[ECM01900]
API GL-5
Gear oil quantity:
F300TR 1.520 L
(1.607 US qt, 1.338 Imp.qt)
F350TR 1.520 L
(1.607 US qt, 1.338 Imp.qt)
LF300TR 1.310 L
(1.385 US qt, 1.153 Imp.qt)
LF350TR 1.310 L
(1.385 US qt, 1.153 Imp.qt)
ZMU05870
7. Put a new gasket on the oil level plug.
When the oil begins to flow out of the oil
level plug hole, insert and tighten the oil
level plug.
Tightening torque:
9 Nm (0.9 kgf-m, 6.6 ft-lb)
8. Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
Maintenance
ZMU05871
99