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Prior to taking delivery, it is important that a full inspec-
tion be made of the entire fuel system by the selling
dealer. An entry on the Four Winns Pre-Delivery Inspec-
tion Form portion of the Warranty Registration Card will
attest to the dealer's performance of this service.
C. Fuel Fills
The fuel fill deck plates are located on the port and star-
board rear decks and are marked "GAS". Be sure to
utilize the proper type and grade fuel. Refer to Section
I-3 for information regarding fueling instructions.
DO NOT confuse FUEL deck fill plate with WA-
TER or WASTE deck plates. Deck fill plates
are labeled according to the intended use.
The gasket/o-ring seals on the fuel fill cap assist in seal-
ing when closed. A missing or damaged o-ring can al-
low water on the surrounding surfaces to run into the
tank.
Periodically inspect the cap and the fuel deck plate. The
o-ring seal should be inspected for cracks or damage
and replaced as necessary. Lubricating with a light, wa-
terproof oil or grease is recommended and can extend
the o-ring's longevity.
D. Fuel Vents
The fuel tank is vented overboard. While the tank is
being filled, the air displaced by the fuel escapes through
the vent. When the tank is almost full, fuel will be ejected
from the fuel vent.
Spilled fuel is a fire and explosion hazard. DO
NOT overfill or overflow the tank, or allow fuel
spills into the hull or bilge. If spillage occurs,
clean up immediately and dispose of soiled rags/
towels in a proper container.
NOTICE
When fueling at a marina, DO NOT overfill. Fuel
may spill into the water.
After fueling, replace the fill cap, and wash the areas
around the fuel fill plate and below the fuel vent. Re-
sidual fuel left on the deck and hull sides can be danger-
ous, and will yellow the fiberglass. It will also damage
the tape stripes and logos.
378 Vista™ Owner's Manual
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Periodically, inspect the vent for any dirt, wax, etc. Care-
fully remove any obstruction with a pipe cleaner or simi-
lar device. Be sure not to puncture the screen. The
vents are designed to keep insects and foreign matter
from contaminating the fuel and fuel system. The stain-
less steel cap is not removable.
E. Anti-Syphon Valves
The fuel withdrawal line is equipped with an anti-syphon
valve where the line attaches to the fuel tank. The valve
prevents gasoline from syphoning out of the fuel tank
should a line rupture. See Figure I3 for anti-syphon lo-
cation.
Figure I3: Fuel Tank Fittings
DO NOT remove the anti-syphon valve(s) from
the system. Should the valves become clogged,
clean and reinstall or replace.
The fuel withdrawal is positioned in the fuel tank
to achieve optimum fuel usage, and fuel line rout-
ing. At certain speeds and hull trim angles, the
fuel supply at the withdrawal can increase or
decrease accordingly. Be extremely careful
when attempting to operate the boat on a mini-
mum amount of fuel. Though some fuel may be
in the tank, the relative trim angle of the boat
may cause the fuel to flow away from the with-
drawal.
Section I
Page 2
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