1994-2000 Four Winns Vista 238 258 278 Boat Service Owners Manual

D.   Anti-Syphon Valves
E.   Fuel Gauge
The fuel withdrawal line is equipped with an anti-
The fuel gauge indicates the amount of fuel in the fuel
syphon valve where the  line attaches to the fuel tank.      tank. See Section B-10f Fuel Gauge for additional infor-
Thevalvepreventsgasolinefromsyphoningoutofthefuel          mation on fuel gauge use.
tank should a line rupture. See Figure F1 for anti-syphon
location.
F.   Fuel  Sender
The fuel sender consists of a mechanical arm with float
which measures the fuel in the  tank.  The sender arm
adjusts with the amount of fuel in the tank and sends a
signal to the fuel gauge. See Figure F1.
Due to the mechanical nature of the fuel sender, varia-
tions in readings during various speeds of operation may
occur.  This system is merely a relative indication of the
available fuel  supply and not  a calibrated instrument.
Relative adjustments can be made by your Four Winns
dealer by bending the fuel sender float arm.
G.   Fuel Filters
Fuel filters are installed on each engine. Filters should
be replaced to assure an adequate supply of clean, dry
fuel to the engine.  Refer to the engine manufacturer’s
manual for additional information.
Figure  F1:   Fuel Tank  Fittings
NOTICE
Canister-typefiltersshouldbechangedannually.
DO NOT remove the anti-syphon valve(s) from
thesystem.  Shouldthevalvesbecomeclogged,
clean and re-install or replace.
H.   Gas Vapor Detector
A gas vapor detector is optional on 278 Vista model. The
gas vapor detector will monitor the engine compartment
and notify the operator of an accumulation of gasoline
vapors. The operator must take immediate action upon
warning to avoid the possibility of an explosion.
The fuel withdrawal is positioned in the fuel tank
toachieveoptimumfuelusage,andfuellinerout-
ing. At certain speeds and hull trim angles, the
fuel supply  at the withdrawal can  increase or
decreaseaccordingly.  Beextremelycarefulwhen
attempting to operate the  boat on a minimum
amount of fuel. Though some fuel may be in the
tank,therelativetrimangleoftheboatmaycause
the fuel to flow away from the withdrawal.
The sensing unit is usually mounted towards the rear of
the engine compartment. The alarm unit is mounted at
the dash.
Always personally inspect the engine compart-
ment and sniff for fuel vapors before starting the
engine.  Remember, a gas vapor detector is a
mechanical device. DO NOT rely exclusively on
its operation.
NOTICE
On all Vista models, access to the anti-syphon
valveandfuelsenderisbyeitheranaccessplate
or through the engine compartment.
Vista Owners  Manual
10/93
Section F
Page 2
Product Specification
CategoriesFour Winns Manuals, Four Winns Vista Manuals, Outboard Marine Corporation Manuals
Tags, ,
Model Year1994, 1995, 1996, 1997, 1998, 1999, 2000
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- 128 pages
Document TypeOwner's Manual
LanguageEnglish
Product BrandBoats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx
Document File TypePDF
Publisherfourwinns.com
Wikipedia's PageOutboard Marine Corporation
CopyrightAttribution Non-commercial
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1994-2000 Four Winns Vista 238 258 278 Boat Service Owners Manual SKU UPC Model
Daniel on Jan 03, 2013.



Alex Rivera on Oct 14, 2012.

Vista 27.8 1997


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