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(5) Stop filling when the fuel just becomes
visible in the bottom of the filler tube. Do
not "top off" the tank, because gasoline
could spill out.
(6) Wipe up any spilled fuel immediately.
(7) Close the fuel tank filler cap by pushing it
until it locks in place. Make sure that the
fuel tank filler cap is securely closed.
Ring Free Fuel Additive
Gasoline is a precise blend of many different
substances, each chosen to give certain char-
acteristics. Gasoline blends have been
changing in recent years in response to con-
cerns about pollution and resulting emissions
regulations. One of the most obvious changes
has been the elimination of lead from fuels.
As gasoline has changed, the amount of addi-
tives such as aromatics and oxygenates has
increased. These additives are important for
the engine in passenger cars, but they can
have detrimental effects in marine engines.
While many additives available may reduce
deposits, Yamaha recommends the use of
Ring Free Fuel Additive, available from a
Yamaha Boat Dealer. Ring Free Fuel Additive
has repeatedly proven its ability to clean com-
bustion deposits from inside the engine, nota-
bly in the critical piston-ring-land area, and
fuel system components. Follow product la-
beling for use instructions.
Operation and handling requirements
Engine oil requirement
Engine oil
NOTICE
Use only 4-stroke engine oil. Usage of 2-
stroke engine oil could result in severe en-
gine damage.
Select an oil grade according to the average
temperatures in the area where the boat will
be used.
Recommended engine oil:
Yamalube 4W
Recommended engine oil type:
SAE 10W-30, 10W-40, 20W-40, 20W-
50
Recommended engine oil grade:
API SE,SF,SG,SH,SJ,SL
Checking the engine oil
WARNING
Engine oil is extremely hot immediately af-
ter the engine is turned off. Coming in con-
tact with or getting any engine oil on your
clothes could result in burns.
71
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