Checks Before Starting Engine; Fuel Level; Removing Top Cowling; Fuel System - Yamaha F8F Owner's Manual

Operation
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Checks before starting engine

EWM01922
If any item in "Checks before starting en-
gine" is not working properly, have it in-
spected and repaired before operating the
outboard motor. Otherwise, an accident
could occur.
ECM00121
Do not start the engine out of water. Over-
heating and serious engine damage can
occur.
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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 level
on a trailer or in the water, check the fuel lev-
el. For fuel filling instructions, see page 37.
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Removing top cowling

For the following checks, remove the top
cowling from the bottom cowling.
To remove the top cowling, pull the cowling
lock lever up and lift up the top cowling.
1. Cowling lock lever
34
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Fuel system

EWM00061
Gasoline and its vapors are highly flamma-
ble and explosive. Keep away from sparks,
cigarettes, flames, or other sources of ig-
nition.
EWM00911
Leaking fuel can result in fire or explosion.
 Check for fuel leakage regularly.
 If any fuel leakage is found, the fuel sys-
tem must be repaired by a qualified me-
chanic. 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
the boat.
 Check for fuel leakage from the fuel sys-
tem.
 Check the fuel tank and fuel lines for
cracks, swellings, or other damage.
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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-
1
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 un-
restricted throughout the whole range with
no binding or excessive free play.