2021 OWNERS MANUAL / 368
when charging a battery may cause an electrical charge or even an
explosion of the battery, which could result in death or serious injury.
MasterCraft recommends the use of a spiral-cell type battery, such
as the Optima brand. These batteries exceed other batteries in
holding and extending a charge.
INSPECT THE THROTTLE AND
SHIFT CABLES FOR KINKS,
WEAR AND INTERFERENCE
Some engine parts become very hot during operation. This inspec-
tion must be completed while the engine is cool to prevent burns
to your skin. Perform this task before starting the boat.
Step 1
Ensure the engine is OFF, the engine safety starting switch is dis-
connected and the throttle/shift control lever is in neutral.
Step 2
Open the engine compartment and locate the throttle and shift
cables. Follow each cable back under the floorboards and feel for
NOTE: The boat’s engine is designed to work with the standard
electronics installed 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, consult 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 electrical system. Such damage may not be covered
by the warranty.
If a replacement battery is required, be certain to select a marine
battery with at least seven-hundred-fifty (750) cold-cranking-amps
at zero degrees (0
o
) Fahrenheit. Before disconnecting the battery,
make sure the ignition key and all accessories are in the OFF
position. Also remember to re-attach the cables in the proper order,
with the positive cable connected to the positive [+] post and the
negative cable connected to the negative [-] post.
When charging, batteries generate small amounts of dangerous
hydrogen gas. This gas is highly explosive. Keep all sparks, flames
and smoking well away from the area. Failure to follow instructions
2021MCOwnerManualFINAL.indd 368 8/26/20 1:54 PM
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