Yamaha 55B Owner's Manual page 136

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8 Do not place the engine on its side
before the cooling water has drained
from it completely, or water may enter
the cylinder through the exhaust port
and cause problems.
8 Store the engine in a dry, well-ventilat-
ed place, not in direct sunlight.
EMK24011
Fuel Tank
1) Drain the fuel from the tank for a long
period of storage.
2) Store the fuel tank in a dry, well-venti-
lated place, not in direct sunlight.
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The fuel tank supplied with this engine is
its dedicated fuel reservoir and must not
be used as a fuel storage container.
Commercial users should conform to rel-
evant licensing or approval authority reg-
ulations.
EMK23511
Flushing cooling system
8 Flushing in a water tank
1) Fit the outboard motor on the water
tank, and fill the tank with fresh water
to above the level of the anti-cavita-
tion plate.
2) Shift into Neutral, start the engine,
and run at low speed for a few min-
utes.
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q
If the fresh water level is below the level
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of the anticavitation plate, or if the water
supply is insufficient, engine seizure may
occur.
000941 1 Water surface
2 Lowest water level
4-7
GB