NOTE: DAMAGE DUE TO CORRO-
SION IS NOT COVERED UNDER
WARRANTY!
Galvanic Corrosion
Galvanic corrosion (electrolysis) to the
boat is the decomposition of metal due to the
effects of electrolytic action. When two (2)
dissimilar metals are immersed in a conduc-
tive uid (e.g., salt water), an electric current
is produced, much like the action of a battery.
As the current ows, it takes with it tiny bits
of the softer metal. If left unchecked, severe
damage may occur over time.
If the boat is operated in salt, polluted or
brackish waters, even temporarily, the boat
should be equipped with a transom-mounted
zinc anode to prevent damage to those metal
parts coming in contact with the water.
The zinc is, by design, self-sacricing. It
is slowly eroded away by electrolytic action
and requires periodic inspection for deterio-
ration. When the zinc has eroded to approxi-
mately one-half (1/2) of its original size, it
must be replaced to continue protection, or
damage to other metal parts may result.
Corrosion
Prevention
MasterCraft Saltwater Series boats come
equipped with the zinc anode. For fresh wa-
ter boats that may be operated in polluted or
brackish water, an authorized MasterCraft
dealer can provide guidance in securing and
installing a zinc anode for protection.
Salt Water Corrosion
The boat has been designed for opera-
tion in fresh water unless it is a model in
the MasterCraft Saltwater Series. If operat-
ing a fresh-water model temporarily in salt,
polluted or brackish water, thoroughly ush
the boat with fresh water as soon as pos-
sible afterward. The entire engine cooling
Page 6-4 2014 MasterCraft Owners Manual • Care and Maintenance
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