Yamaha 25, Owner'S Manual

Page: 37 / 86

Operation
31
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
level on a trailer or in the water, check the
fuel level. For fuel filling instructions, see
page 33.
EMU36570
Remove cowling
For the following checks, remove the top
cowling from the engine. To remove the en-
gine top cowling, release the lock lever and
lift off the cowling.
EMU36442
Fuel system
WARNING
EWM00060
Gasoline and its vapors are highly flam-
mable and explosive. Keep away from
sparks, cigarettes, flames, or other
sources of ignition.
WARNING
EWM00910
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
the outboard unsafe to operate.
EMU36451
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.
EMU37320
Check 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.
EMU36901
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
ZMU06092
ZMU06140