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90-10126R40
GB
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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:
• Corrosion of metal parts.
• Deterioration of elastomers and plastic parts.
• Wear and damage of internal engine parts.
• Starting and operating difficulties.
• 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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OIL RECOMMENDATION
Mercury or Quicksilver Premium TC–W3 2–cycle oil is recommended for your
engine. For added protection and lubrication, Mercury or Quicksilver Premium
Plus TC–W3 2–cycle oil is recommended. If Mercury or Quicksilver outboard oil
is not available, substitute another brand of 2–cycle outboard oil that is NMMA
Certified TC–W3. Severe engine damage may result from use of an inferior oil.
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NEW ENGINE GASOLINE/OIL BREAK-IN MIXTURE
MODELS WITH ELECTRONIC FUEL INJECTION (EFI)
Do not use pre–mixed gas and oil during break–in. The engine automatically
receives extra oil during engine break–in.
MODELS WITH CARBURETORS
Use a 50:1 (2%) gasoline/oil mixture in the fuel tank for the first 30 gallons (114
liters) of fuel. Follow the table below for mixing ratios. Use of this fuel mixture
combined with oil from the oil injection system will supply adequate lubrication
during engine break–in.
After the break-in fuel mixture is used up, it is no longer necessary to add oil with
the gasoline.
Note: At the end of the break-in period, visually check to see if the oil level in the
oil injection tank has dropped. Oil usage indicates the oil injection system is
functioning correctly.
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Gasoline/Oil Mixing Ratio Chart
Gas/Oil
Ratio
1 Gallon
Gas
(3.8 Liters)
3 Gallons
Gas
(11.5 Liters)
6 Gallons
Gas
(23 Liters)
50:1
(2%)
3 fl. oz.
(89 ml) Oil
8 fl. oz.
(237 ml) Oil
16 fl. oz.
(473 ml) Oil
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MIXING GASOLINE AND OIL
Portable Tank – Pour one gallon (4 liters) of gasoline into tank. Add the correct
amount of oil and mix thoroughly. Add the remainder of gasoline.
Built-in Tank – Using a funnel, pour the correct amount of oil slowly with the
gasoline as tank is filled.
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1
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FILLING REMOTE OIL TANK
1
Remove the filler cap and fill with the specified oil. Oil tank capacity is 3 gallons.
(11.5 liters). Replace filler cap and tighten securely.
IMPORTANT: Always make sure the oil tank caps are threaded on tight. An
air leak will prevent oil flow to the engine.
FILLING ENGINE MOUNTED OIL RESERVOIR TANK
Note: Filling this tank is only necessary if the oil level should ever drop and the low
oil warning system is activated.
2 Remove the top cowl. Loosen the fill cap on the engine oil reservoir tank. Run
the engine until all the air has been vented out of the oil reservoir tank and tank
is filled with oil. Re-tighten fill cap. Stop the engine and replace the top cowl.
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FILLING FUEL TANK
WARNING
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.
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