Four winns S Series, Owner'S Manual

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Owner’s Manual Page 80 Fuel Systems - Section I
4. Replace screen in original position. 5. Replace
and tighten vent cap (30-to-35 in./lb. torque, 3.39
to 3.95N.Meters). Do not over-tighten.
F. Fuel Fills - Export Models
For export models, the fuel deck fills are located either
on the aft deck or side decks, and are clearly marked
with a fuel symbol or are labeled “GAS”. See Figure
I8. To open, insert the deck plate key (if applicable)
into the holes on the cap and rotate counterclockwise.
On other models simply rotate the gas cap counter-
clockwise. A tether connects the cap to body to help
prevent loss overboard. Be sure to utilize the proper
type and grade of fuel as recommended by the engine
manufacturer. See Section I-2 for addi tional infor ma-
tion.
Figure I8: Fuel Deck Fill - Export Models
The fuel fill fitting allows for venting below the fill cap.
While the tank is being filled, the air dis placed by
the fuel es capes through the fuel fill/vent. The fuel
fill, along with the tank venting, includes flame arres-
tor and anti-surge features. These features provide
added safety. Always open the cap slowly to allow air
to escape.
The gasket seal on the fuel fill cap assists in seal ing
when closed. A missing or damaged gasket can allow
water on the surrounding sur faces to run into the tank.
Periodically inspect the gasket (if applicable) and/or
the fuel deck cap for damage.
DO NOT confuse “GAS” deck fill plate with
“WA TER” or “WASTE” deck plates. Deck fill
plates are labeled according to the in tend ed
use.
Spilled fuel is a fire haz ard. DO NOT ove rfill or
ove rflow the tank, or al low fuel spills into the hull
or bilge. If spill age oc curs, clean up im me di ately
and dis pose of soiled rags/towels in a pro per
con tain er.
NOTICE
When fueling at a marina, DO NOT over fill.
Fuel may spill into the water.
Avoid overboard spills. When tank is almost full
the sound from the fuel fill/vent will change. The
pitch will become higher indicating the tank is
close to being full. Stop pumping fuel into tank.
DO NOT TOP OFF.
After fueling, replace the fill cap, and wash the areas
around the fuel fill plate. Residual fuel left on the deck
and hull sides can be dangerous and will yellow the
fiber glass. It will also damage the tape stripes and lo-
gos. Care should be taken, when cleaning, to prevent
contaminating the fuel deck fill/vent. Cleaning with
only mild soapy water is recommended.
G. Anti-Syphon Valve
The fuel withdrawal line is equipped with an anti-syphon
valve where the line attaches to the fuel tank. This valve
prevents gasoline from syphoning out of the fuel tank
should a line rupture. See Figure I9 for anti-syphon
location.
Figure I9: Fuel Tank Fittings
(Domestic Model Shown - Models May Vary)
Fuel Vent Fuel Fill