Yamaha F90 - Fuel Level; Removing Top Cowling; Fuel System

Operation
51
NOTICE
ECM00121
Do not start the engine out of water. Over-
heating and serious engine damage can
occur.
EMU36422
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, turn the key to “ ”
(on) and check the fuel level. For fuel filling in-
structions, see page 55.
EMU40774
Removing top cowling
For the following checks, remove the top
cowling from the bottom cowling.
To remove the top cowling, pull the cowling
lock levers and lift up the top cowling.
EMU36443
Fuel system
WARNING
EWM00061
Gasoline and its vapors are highly flamma-
ble and explosive. Keep away from sparks,
cigarettes, flames, or other sources of ig-
nition.
WARNING
EWM00911
Leaking fuel can result in fire or explosion.
z Check for fuel leakage regularly.
z 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.
EMU36453
Check for fuel leaks
z Check for fuel leaks or gasoline fumes in
the boat.
z Check for fuel leakage from the fuel sys-
tem.
z Check the fuel tank and fuel lines for
cracks, swellings, or other damage.
1. Cowling lock lever
1
ZMU08084
1. Cowling lock lever
1
ZMU08085
©2019 Yamaha Motor Corporation, U.S.A.