Specifications

SPECIFICATIONS
Page 48 90-860168040 JANUARY 2004
0045
Specifications
Fuel Recommendations
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
damage caused thereby 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 90 RON minimum.
Premium gasoline (98 RON) is also acceptable. If unleaded gasoline is not available, use
a major brand of leaded gasoline.
0046
USING REFORMULATED (OXYGENATED) GASOLINES (USA ONLY)
This type of gasoline is required in certain areas of the USA. The two 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.