Transporting; Carrying, Storing And Transporting Your Outboard When Removed From Boat; Trailering Your Boat; Fuel & Oil - Mercury 4 User Manual

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TRANSPORTING

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CARRYING, STORING AND TRANSPORTING YOUR
OUTBOARD WHEN REMOVED FROM BOAT
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Internal fuel tank models – With the outboard still in the water, close the fuel
valve (a) and run engine until it stops, draining carburetor. Close the fuel tank
vent (b) after engine has stopped.
2
Remote fuel tank models – With the outboard still in the water, disconnect the
remote fuel line and run engine until it stops, draining carburetor. Install the
protector cap (a) over the fuel connector.
3
Remove outboard and hold upright until the water is drained out. Keep the
outboard in a upright position when carrying.
4
Carry, transport or store the outboard only in the upright position (a ) or tiller
handle down position (b). These positions will prevent oil from draining out of
the crankcase.
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Never carry, store or transport the outboard in these positions. Engine damage
could result from oil draining out of the crankcase.
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TRAILERING YOUR BOAT

IMPORTANT: The tilt lock mechanism is not intended to support the
outboard up in the tilted position when trailering your boat. Use of the tilt
lock mechanism could allow the outboard to bounce and drop down
causing damage to the outboard.
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Your boat should be trailered with the outboard tilted down (normal operating
position).
2
If additional ground clearance is required, remove the outboard from the boat
and store securely. Additional clearance may be needed for railroad crossings,
driveways, and trailer bouncing.
3
Set the gear shift into forward gear. This prevents the propeller from spinning
freely.
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FUEL & OIL
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GASOLINE RECOMMENDATIONS

United States and Canada
Use a major brand of automotive unleaded gasoline with a minimum posted octane
rating of 87. Mid-grade automotive gasolines that contain fuel injector cleaner are
preferred for added internal engine cleanliness. Leaded gasoline is not
recommended.
International
Use a major brand of automotive unleaded gasoline with a minimum posted octane
rating of 90RON. Automotive gasolines that contain fuel injector cleaner are
preferred for added internal engine cleanliness. Leaded gasoline is acceptable in
areas where unleaded gasoline is not available.
Alcohol in Gasoline
We do not recommend the use of gasoline which contains alcohol because of the
possible adverse effect the alcohol may have on the fuel system. In general, if only
gasoline containing alcohol is available, it must not contain more than 10% ethanol
or 5% methanol, and the addition of a Water Separating Fuel Filter is
recommended.
If gasoline containing alcohol is used or if you suspect the presence of alcohol in
your gasoline, increase your inspection of the fuel system, visually checking for
fuel leaks or abnormalities.
Gasoline containing alcohol may cause the following problems to your outboard
and fuel system:
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Corrosion of metal parts.
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Deterioration of elastomers and plastic parts.
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Wear and damage of internal engine parts.
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Starting and operating difficulties.
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Vapor lock or fuel starvation.
Some of these adverse effects are due to the tendency of gasoline containing
alcohol to absorb moisture from the air, resulting in a phase of water and alcohol
which separates from the gasoline in the fuel tank.
The adverse effects of alcohol are more severe with methanol and are worse with
increasing content of alcohol.
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FILLING FUEL TANK

Avoid serious injury or death from a gasoline fire or explosion. Always
stop the engine and DO NOT smoke or allow open flames or sparks in the
area while filling fuel tanks.
Fill fuel tanks outdoors away from heat, sparks, and open flames.
Remove portable fuel tanks from boat to refill them.
Always stop engine before refilling tanks.
Do not completely fill the fuel tanks. Leave approximately 10% of the tank volume
unfilled. Fuel will expand in volume as its temperature rises and can leak under
pressure if the tank is completely filled.
Portable Fuel Tank Placement in the Boat
Place the fuel tank in the boat so that the tank vent will stay higher than the fuel
level in the tank under normal boat operating conditions.
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WARNING
90-10211R30