Inspecting And Replacing Anode(S) - Yamaha F400A Owner's Manual

Tightening torque:
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
(8) Remove the oil filler bolt and O-ring.
1. Oil filler bolt
2. O-ring
(9) Place the outboard motor in a vertical
position. Using a flexible or pressurized
filling device, inject the gear oil into the oil
filler bolt hole.
Recommended gear oil:
YAMALUBE outboard gear oil or Hyp-
oid gear oil
Recommended gear oil grade:
SAE 80W API GL-5 / SAE 90 API GL-
5
Gear oil quantity:
1.830 L (1.934 US qt, 1.610 Imp.qt)
(FL400ASTU, FL400ASTX,
FL450AVTU, FL450AVTX)
1.950 L (2.061 US qt, 1.716 Imp.qt)
(F400ASTU, F400ASTX, F450AVTU,
F450AVTX)
2
1
(10) Put a new O-ring on the oil level plug.
When the gear oil begins to flow out of
the oil level plug hole, insert and tighten
the oil level plug to the specified torque.
TIP:
Apply a light coat of gear oil to the oil level
plug thread and O-ring before installation.
Tightening torque:
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
(11) Put a new O-ring on the oil filler bolt. In-
sert and tighten the oil filler bolt to the
specified torque.
TIP:
Apply a light coat of gear oil to the oil filler bolt
thread and O-ring before installation.
Tightening torque:
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
(12) Install the cooling water inlet covers on
both sides of the lower unit, and then
tighten the bolts to the specified torque.
Tightening torque:
2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
EMU29318

Inspecting and replacing anode(s)

Yamaha outboard motors are protected from
corrosion by sacrificial anodes. Inspect the
external anodes periodically. Remove scales
Maintenance
83