Recommended gear oil:
Hypoid gear oil
Recommended gear oil grade:
SAE 90 API GL-4
Gear oil quantity:
F250A 1.150 L (1.216 US qt,
1.012 Imp.qt)
LF250A 1.000 L (1.057 US qt,
0.880 Imp.qt)
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 (0.92 kgf-m, 6.6 ft-lb)
8.
Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw.
Tightening torque:
9 Nm (0.92 kgf-m, 6.6 ft-lb)
9.
Securely install the cooling water inlet
covers on both sides of the gear case us-
ing the bolt and nut removed earlier.
Tightening torque:
2.0 Nm (0.20 kgf-m, 1.5 ft-lb)
EMU29314
Inspecting and replacing anode(s)
Yamaha outboard motors are protected from
corrosion by sacrificial anodes. Inspect the
external anodes periodically. Remove scales
from the surfaces of the anodes. Consult a
Yamaha dealer for replacement of external
anodes.
ECM00720
NOTICE
Do not paint anodes, as this would render
them ineffective.
Maintenance
81