Remove Cowling; Fuel System; Controls - Yamaha F300 Owner's Manual

A good rule is to use 1/3 of your fuel to get to
the destination, 1/3 to return, and to keep 1/
3 as an emergency reserve. With the boat
level on a trailer or in the water, turn the key
to " " (on) and check the fuel level. For fuel
filling instructions, see page 60.
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Remove cowling

For the following checks, remove the top
cowling from the engine. To remove the en-
gine cowling, release all the lock levers and
lift off the cowling.
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Fuel system

EWM00060
WARNING
Gasoline and its vapors are highly flam-
mable and explosive. Keep away from
sparks, cigarettes, flames, or other
sources of ignition.
EWM00910
WARNING
Leaking fuel can result in fire or explo-
sion.
Check for fuel leakage regularly.
G
If any fuel leakage is found, the fuel
G
system must be repaired by a qualified
mechanic. Improper repairs can make
the outboard unsafe to operate.
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Check for fuel leaks
Check for fuel leaks or gasoline fumes in
G
the boat.
Check for fuel leakage from the fuel sys-
G
tem.
Check the fuel tank and fuel lines for
G
cracks, swellings, or other damages.
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Check the fuel filter
Check that the fuel filter is clean and free of
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water. If enough water to raise the float ring
is found in the fuel, or if a significant amount
of debris is found, the fuel tank should be
checked and cleaned by a Yamaha dealer.
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Controls

Turn the steering wheel full-right and full-
G
left. Make sure operation is smooth and
unrestricted throughout the whole range
with no binding or excessive free play.
Operation
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55