Care and Maintenance • 2014 MasterCraft Owners Manual Page 6-17
C A R E A N D M A I N T E N A N C E
Step 1: Ensure the engine is OFF and the
enginesafetystartingswitchdis-
connected. Be certain that the
throttle/shift control lever is in
neutral. Locate the battery. Bat-
teriesareplacedinavarietyoflo-
cations, depending on the model.
Check under the observer seat or
behind the rear seat.
Step 2: Check that the battery post con-
nections are clean and tight. If
not:
• Loosen and remove the negative ter-
minal connection rst. Be careful not
to touch the positive terminal with the
wrench.
• Loosenandremovethepositiveterminal
connection.
• Removethebatteryhold-downsandre-
movethebatteryfromtheboat.
• Clean corrosion from the battery posts
withabatteryterminalcleaner.
•Cleanthebatterywithawater-and-bak-
ing-soda solution. Use care to avoid al-
lowingthesolutiontoenterthebattery
vents.Rinsethebatterywithfreshwater.
Battery electrolyte fluid is dangerous. It
contains sulfuric acid, which is poison-
ous, corrosive and caustic. If electrolyte
fluid is spilled or placed on any part of the
human body, immediately flush the area
with large amounts of clean water and im-
mediately seek medical attention.
• Useabatteryterminalcleaningbrushto
remove corrosion from the inside of the
battery terminals. Clean the terminals
with a water-and-baking-soda solution
and rinse with fresh water.
• Check the battery box that normally
holdsthebatteryinplacetodetermine
whether there is evidence of battery
uidinsideit.Batteryuidsarecorro-
sive and can cause permanent damage
to the battery box. If uid is evident,
wash out the box with the water-and-
baking-soda solution that is used in
cleaning the terminals. Rinse with
freshwateranddrywithacloth.
• Reconnectthepositiveterminalrst,then
the negative. Tighten the terminals. Coat
bothterminalscompletelywithathincov-
eringofmarinedielectricgrease.Besure
that the rubber boot covers the positive
terminalcompletely.
Note: The boat’s engine is designed to
work with the standard electronics in-
stalled in the boat. Adding other electrical
components or accessories can change the
way the fuel injection controls the engine
or the overall electrical system functions.
Before adding electrical equipment, con-
sult an authorized MasterCraft dealer’s
service department. Otherwise, the engine
may not perform properly.
Add-on equipment may adversely aect
the alternator output or overload the elec-
trical system. Such damage may not be
covered by the warranty.
Ifareplacementbatteryisrequired,be
certain to select a marine battery with at
leastseven-hundred-fty(750)cold-crank-
ing-amps at zero degrees (0
o
) Fahrenheit.
Before disconnecting the battery, make
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