1998-1999 Four Winns Vista 238 258 278 Boat Owners Manual

Stray current corrosion can be caused  by surrounding
boats; an improperly wired battery/charger installation or
other boats that are in close proximity which have electri-
cal power leakages.     Stern drive units are  especially
vulnerable to stray current corrosion.
Periodically inspect the  engine components  to  deter-
mine if corrosion damage exists. If stray current corro-
sion damage is found, determine and correct the cause
of the stray current to prevent further damage.  Consult
an experienced marine electrician or contact your Four
Winns dealer for assistance.
The use of some shore power battery chargers, while the
boat is in the water and the battery is connected to the
system, can cause stray current corrosion. Have an ex-
perienced marine electrician review any battery charger
installation to ensure a stray current corrosion problem
will not develop.   An improper battery connection  is a
common cause of stray current corrosion.
NOTICE
UseonlyabatterychargerdesignedtomeetU.S.
CoastGuardregulationsforexternalignitionpro-
tection.
Corrosionisusuallymoreprevalentinpollutedorsaltwater
than in clean water. It is also more likely to occur when
dockage is in an area with steel piers, large metal boats,
or where shore power is in use.
B.   Galvanic Corrosion
Galvanic corrosion results from a potential electrical dif-
ference existing between dissimilar metals immersed in
a conductive solution (e.g., salt water). If these metals
touch or are otherwise electrically connected, this poten-
tial difference produces an electron flow between them.
The attack on the more active metal is usually increased
and the attack on the less active metal is decreased, as
compared to when these metals are not touching.
C.   Corrosion Prevention
Anti-corrosion anodes are attached to the bottom of the
gimbal housing to prevent corrosion to your stern drive
andunderwaterparts.  Theseanodeswillbeslowlyeroded
away by galvanic action and require periodic inspection.
Please refer to the section on “Anti-CorrosionAnodes” in
your engine manufacturer’s manual for additional infor-
mation.
Vista Owners  Manual
10/93
Section E
Page 10
Product Specification
CategoriesFour Winns Manuals, Outboard Marine Corporation Manuals
Model Year1998, 1999
Download File
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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
(2 votes, average: 4 out of 4)
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1998-1999 Four Winns Vista 238 258 278 Boat Owners Manual SKU UPC Model
michael pohlman on Sep 25, 2018. vista 258

I need this manual so I can perform basic maintenance on my boat with the proper parts and tools.


Phu hiep on Apr 28, 2014. Manual book

I need the manual book


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