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CA263
FUEL RECOMMENDATIONS
IMPORTANT: Use of improper gasoline can damage your en-
gine seriously. Engine damage resulting from use of improper
gasoline is considered misuse of engine, and damage caused
thereby will not be covered under the limited warranty.
Fuel Ratings
MerCruiser engines will operate satisfactorily when using a major
brand of unleaded gasoline as follows:
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 90 RON minimum. Premium gasoline (98 RON) is also accept-
able. If unleaded gasoline is not available, use a major brand of
leaded gasoline.
CA214
Gasolines Containing Alcohol
Gasolines containing alcohol, either methyl alcohol (methanol) or
ethyl alcohol (ethanol) may cause increased:
Corrosion of metal parts.
Deterioration of elastomer and plastic parts.
Fuel permeation through flexible fuel lines.
Wear and damage of internal engine parts.
Starting and operating difficulties.
Some of these adverse effects are due to the tendency of gasolines
containing alcohol to absorb moisture from the air, resulting in a
phase of water and alcohol separating from the gasoline in the fuel
tank.
Alpha V8
SPECIFICATIONS
45
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