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Operation
EMU27233
Filling fuel and engine oil
EMU30320
Filling fuel for models without a fuel
joint
EWM00060
WARNING
Gasoline and its vapors are highly flam-
mable and explosive. Keep away from
sparks, cigarettes, flames, or other
sources of ignition.
1.
Remove the fuel tank cap.
2.
Carefully fill the fuel tank.
3.
Securely close the cap after filling the
tank. Wipe up any spilled fuel.
EMU27270
Ring Free Fuel Additive
Gasoline is a precise blend of many different
substances, each chosen to give certain
characteristics. Gasoline blends have been
changing in recent years in response to con-
cerns about pollution and resulting emis-
33
sions regulations. One of the most obvious
changes has been the elimination of lead
from most fuels.
As gasoline has changed, the amount of ad-
ditives such as aromatics and oxygenates
has increased. These additives are impor-
tant for the engines in passenger cars, but
they can have detrimental effects in marine
engines, because of increased deposits in
the combustion chamber. When enough de-
posits collect, piston rings begin sticking.
Performance drops and engine wear in-
creases dramatically.
While many additives available may reduce
deposits, Yamaha recommends the use of
Ring Free Fuel Additive, available from
your Yamaha dealer. Ring Free Fuel Addi-
tive has repeatedly proven its ability to clean
combustion deposits from inside the engine,
ZMU03989
notably the critical piston-ring-land area, and
fuel system components. Follow product la-
beling for use instructions.
EMU27292
Filling oil for oil injection models
EWM00530
WARNING
Do not add gasoline into the oil tank. Fire
or explosion could result.
This engine uses the Yamaha oil injection
system, which provides superior lubrication
by ensuring the proper oil ratio for all operat-
ing conditions. No fuel premixing is needed.
Simply pour gasoline into the fuel tank and
oil into the oil tank. Convenient indicators
show the status of the oil supply. For details
on how to read the indicators, see page 35.
To fill the engine oil tank, proceed as follows:
1.
Pour engine oil into the remote oil tank.
Remote oil tank capacity:
10.5 L (11.10 US qt) (9.24 Imp.qt)
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