Oxygenated Gasoline Or Gasoline Containing Alcohol; When The Boat Is Not Used In A While; Fuels Outside The United States And Canada - ILMOR 2011 MV8 User Manual

spark knock can cause severe engine damage. The engines have knock detection
systems that offer the best engine performance by controlling knock through pre-
cise ignition timing. The higher octane fuel will cause less knock for the ignition
system to process and adjust for.
Poor quality or old fuels can cause problems such as loss of performance, rough
idling, hard starting and hesitation. If the engine experiences any of these symptoms,
first try another brand of gasoline and/or replace the old gasoline with fresh gasoline.
Many engine manufacturers believe the U.S. Environmental Protection
Agency's (EPA's) detergent levels in gasolines do not provide sufficient deposit
controls to allow for optimal engine performance. As a result, TOP TIER Deter-
gent Gasoline standards were created to ensure gasolines have all the necessary
additives and detergents to reduce the build-up of deposits in an engine. ILMOR
recommends purchasing fuel from a supplier that confirms their fuel meets TOP
TIER specifications. For a list of TOP TIER retailers, check www.toptiergas.com,
and click on "Retailers."
Damage to the engine by use of low-quality gasoline or gasoline with an
octane rating below the minimum level listed for ILMOR MV8 engines will void the
warranty on the engine.
E-85 fuels
are not to be used! Use of this fuel may cause engine performance to
suffer and may damage vital fuel system components.
Fuel that is no more than 15 per cent MTBE (methyl tertiary butyl ether) may be used
in the MV8 engine. MTBE is an oxygenate and octane booster. MTBE is used in fuels to
meet government mandates. However, because of environmental concerns MTBE is being
phased out and replaced with ethanol or methanol.
Leaded fuels may NOT be used in the MV8 engine.
Gasoline containing levels higher than 10 per cent ethanol or methanol is NOT TO
BE USED in the MV8 engine. This is primarily due to the fact that the alcohol in the fuel
absorbs water. Water in the fuel can cause corrosion and extensive damage in the fuel sys-
tem. If the presence of alcohol in the gasoline is unknown, frequent inspections of the fuel
system are required.
ILMOR recommends
less than a tank of fuel every thirty (30) days. Today's fuels are more susceptible to degra-
dation, and the use of a quality stabilizer helps ensure fewer problems if the boat is used
only on a limited basis.
If the boat has not been run for more than thirty (30) days and fuel remains in the
tank—even stabilized fuel—the engine may run with reduced performance until the ex-
isting fuel has been used. The manufacturer will not pay for repairs to components that are
damaged from poor quality fuel as this is not covered under the engine warranty.
Extended storage with fuel in the system can affect fuel stability and may require
system inspection and fuel filter replacement when the boat returns to service.
If the boat is operated
more difficult to obtain lead-free fuel. As the engine components are manufactured to
function properly only with unleaded gasoline, it may be necessary to search for refined
unleaded gasoline.
the use of Sta-Bil fuel stabilizer if the boat consumes
®
outside the United States or Canada, it may be
2011 ILMOR MV8 Owner's Manual • Page 12
Oxygenated Gasoline
or Gasoline Containing
Alcohol
When the Boat Is Not
Used for A While
Fuels Outside
the United States
and Canada