Fuel Level; Remove The Top Cowling; Fuel System; Controls - Yamaha 40X Owner's Manual

Operation
EMU37141

Fuel level

Be sure you have plenty of fuel for your trip.
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 lev-
el on a trailer or in the water, check the fuel
level. For fuel filling instructions, see page
32.
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Remove the top cowling

For the following checks, remove the top
cowling from the bottom cowling. To remove
the top cowling, release the cowling lock le-
ver and lift off the top 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 sourc-
es of ignition.
EWM00910
WARNING
Leaking fuel can result in fire or explo-
sion.
Check for fuel leakage regularly.
●
If any fuel leakage is found, the fuel
●
system must be repaired by a qualified
mechanic. Improper repairs can make
30
the outboard unsafe to operate.
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Check for fuel leaks
Check for fuel leaks or gasoline fumes in
●
the boat.
Check for fuel leakage from the fuel sys-
●
tem.
Check the fuel tank and fuel lines for
●
cracks, swellings, or other damages.
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Checking the fuel filter
Check that the fuel filter is clean and free of
water. If any water 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.
ZMU06090
EMU36902

Controls

Tiller handle models:
Move the tiller handle fully to the left and
●
right to make sure operation is smooth.
Turn the throttle grip from the fully closed
●
to the fully open position. Make sure that it
turns smoothly and that it completely re-
turns to the fully closed position.
Look for loose or damaged connections of
●
the throttle and shift cables.
Remote control models:
Turn the steering wheel full-right and full-
●
left. Make sure operation is smooth and
unrestricted throughout the whole range
with no binding or excessive free play.
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