Cleaning Fuel Tank; Inspecting And Replacing Anode(S) - Yamaha 20D Owner's Manual

Maintenance
ing device, inject the gear oil into the
gear oil drain screw hole.
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
0.370 L (0.391 US qt, 0.326 Imp.qt)
6. 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)
7. Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw.
Tightening torque:
9 Nm (0.9 kgf-m, 6.6 ft-lb)
EMU29302

Cleaning fuel tank

EWM00920
WARNING
Gasoline is highly flammable, and its va-
pors are flammable and explosive.
If you have any question about properly
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doing this procedure, consult your
Yamaha dealer.
Keep away from sparks, cigarettes,
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62
flames, or other sources of ignition
when cleaning the fuel tank.
Remove the fuel tank from the boat be-
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fore cleaning it. Work only outdoors in
an area with good ventilation.
Wipe up any spilled fuel immediately.
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Reassemble the fuel tank carefully. Im-
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proper assembly can result in a fuel
leak, which could result in a fire or ex-
plosion hazard.
Dispose of old gasoline according to lo-
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cal regulations.
1. Empty the fuel tank into an approved
container.
2. Pour a small amount of suitable solvent
into the tank. Install the cap and shake
ZMU03739
the tank. Drain the solvent completely.
3. Remove the screws holding the fuel joint
assembly. Pull the assembly out of the
tank.
4. Clean the filter (located on the end of the
suction pipe) in a suitable cleaning sol-
vent. Allow the filter to dry.
5. Replace the gasket with a new one. Re-
install the fuel joint assembly and tighten
the screws firmly.
EMU29312

Inspecting and replacing anode(s)

Yamaha outboard motors are protected from
corrosion by sacrificial anodes. Inspect the
external anodes periodically. Remove scales
ZMU02066