Maintenance
97
5.
Remove the oil level plug and gasket to
allow the oil to drain completely.
NOTICE:
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. Con-
sult 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 posi-
tion. Using a flexible or pressurized filling
device, inject the gear oil into the gear oil
drain screw hole.
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.
8.
Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw.
9.
Securely install the cooling water inlet
covers on both sides of the gear case us-
ing the bolt and nut removed earlier.
1. Oil level plug
2. Gasket
3. Cooling water inlet cover
4. Bolt
5. Gear oil drain screw
6. Nut
5
2
6
3
4
3
1
2
ZMU05487
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F250BTR 0.918 L (0.970 US qt,
0.808 Imp.qt)
LF250BTR 0.803 L (0.849 US qt,
0.707 Imp.qt)
Tightening torque:
9.0 Nm (0.92 kgf-m, 6.6 ft-lb)
Tightening torque:
9.0 Nm (0.92 kgf-m, 6.6 ft-lb)
Tightening torque:
2.0 Nm (0.20 kgf-m, 1.5 ft-lb)
U6BR11E0.book Page 97 Friday, June 13, 2008 3:43 PM
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2019 Yamaha Motor Corporation, U.S.A.
