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EMU00187*
FILLING FUEL
1) Remove the fuel tank cap.
2) Fill the fuel tank carefully.
3) Close the cap securely after refueling.
Wipe up any spilled fuel.
EMU00189*
Ring Free Fuel Additive
Gasoline is a precise blend of many differ-
ent substances, each chosen to give cer-
tain characteristics. Gasoline blends have
been changing in recent years in
response to concerns about pollution and
resulting emissions regulations. One of
the most obvious changes has been the
elimination of lead from most fuels.
As gasoline has changed, the amount of
additives such as aromatics and oxy-
genates has increased. These additives
are important for the engines in passen-
ger cars, but they can have detrimental
effects in marine engines, because of
increased deposits in the combustion
chamber. When enough deposits collect,
piston rings begin sticking. Performance
drops and engine wear increases dramati-
cally.
While many additives available may
reduce deposits, Yamaha recommends
the use of Ring Free Fuel Additive, avail-
able from your Yamaha dealer. Ring Free
has repeatedly proven its ability to clean
combustion deposits from inside the
engine, notably the critical piston-ring-
land area, and fuel system components.
Follow product labeling for use instruc-
tions.
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