MerCruiser 3.0 TKS, Руководство пользователя

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Section 4 - Specifications
Page 40 90-8M0053372
eng
NOVEMBER 2010
Fuel Requirements
IMPORTANT: Use of improper gasoline can damage your engine. Engine damage resulting from the use of improper
gasoline is considered misuse of the engine and any resulting damage will not be covered under the limited warranty.
Fuel Ratings
Mercury MerCruiser engines will operate satisfactorily when using a major brand of unleaded gasoline meeting the following
specifications:
USA and Canada—
having a posted pump Octane Rating of 87 (R+M)/2 minimum. Premium gasoline 92 (R+M)/2 Octane is
also acceptable. Do not use leaded gasoline.
Outside USA and Canada—
having a posted pump Octane Rating of 91 RON minimum. Premium gasoline (98 RON) is also
acceptable. If unleaded gasoline is not available, use a major brand of leaded gasoline.
Using Reformulated (Oxygenated) Gasolines (USA Only)
This type of gasoline is required in certain areas of the USA. The 2 types of oxygenates used in these fuels is alcohol (ethanol)
or ether (MTBE or ETBE). If Ethanol is the oxygenate that is used in the gasoline in your area, refer to
Gasolines Containing
Alcohol
.
These reformulated gasolines are acceptable for use in your Mercury MerCruiser engine.
Gasolines Containing Alcohol
If the gasoline in your area contains either methanol (methyl alcohol) or ethanol (ethyl alcohol), you should be aware of certain
adverse effects that can occur. These adverse effects are more severe with methanol. Increasing the percentage of alcohol in
the fuel can also worsen these adverse effects.
Some of these adverse effects are caused because the alcohol in the gasoline can absorb moisture from the air, resulting in a
separation of the water‑alcohol mixture from the gasoline in the fuel tank.
The fuel system components on your Mercury MerCruiser engine will withstand up to 10% alcohol content in the gasoline. We
do not know what percentage your boat's fuel system will withstand. Contact your boat manufacturer for specific
recommendations on the boat's fuel system components (fuel tanks, fuel lines, and fittings). Be aware that gasolines containing
alcohol may increase:
•
Corrosion of metal parts
• Deterioration of rubber or plastic parts
• Fuel permeation through the rubber fuel lines
• Difficulty starting and operating the engine
!
WARNING
Fuel leakage is a fire or explosion hazard, which can cause serious injury or death. Periodically inspect all fuel system
components for leaks, softening, hardening, swelling, or corrosion, particularly after storage. Any sign of leakage or
deterioration requires replacement before further engine operation.
Because of the possible adverse effects of alcohol in gasoline, we recommend only alcohol‑free gasoline when possible. If the
only fuel available contains alcohol or if you do not know whether the fuel contains alcohol, inspect for leaks and abnormalities
more frequently.
IMPORTANT: When operating a Mercury MerCruiser engine on gasoline containing alcohol, do not store the gasoline in the
fuel tank for long periods. Cars normally consume alcohol‑blend fuels before they can absorb enough moisture to cause
trouble, boats often sit idle long enough for phase separation to take place. Internal corrosion may take place during storage if
alcohol has washed protective oil films from internal components.
Engine Oil
To help obtain optimum engine performance and to provide maximum protection, we recommend using the following oil:
Application Recommended Oil
All MerCruiser engines Mercury MerCruiser Full‑Synthetic Engine Oil, 20W‑40, NMMA FC‑W rated
If the Mercury MerCruiser Full‑Synthetic, 20W‑40 oil is unavailable, you can use the following lubricants, listed in order of
recommendation:
1. Mercury/Quicksilver 25W‑40 Synthetic Blend, NMMA FC‑W–rated 4‑cycle MerCruiser oil
2. Mercury/Quicksilver 25W‑40, NMMA FC‑W–rated 4‑cycle MerCruiser oil
3. Other recognized brands of NMMA FC‑W–rated 4‑cycle oils