2023 OWNER’S MANUAL
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374
BEFORE EACH USE
Afer Starting the Engine
Check That The Battery Is Fully Charged
As the boat is started, check all gauges (base X and XT series
analog gauges, X, XT, Star and NXT Series video display), but pay
particular attention to the voltage.
While starting the engine, check that the voltmeter reads between
12.4 and 14.5 volts. An erratic reading may be a sign of low voltage.
The voltage reading is the best indication of the status of
your battery, however it is not fool-proof. While the reading may
indicate that the battery is producing current, if during a
previous operation you had reason to suspect a problem with your
battery, check with an authorized MasterCraft dealer’s
service department.
Current models are equipped with a low-voltage battery alarm.
In the event that the stereo has been functioning when the boat
engine is OFF, the voltage drain on the battery may result in
diculties restarting the boat. To avoid this situation, when the
voltage level falls to 10.5 volts, the system will shut o the stereo
system and sound an alarm for a period of two (2) minutes to allow
the operator time to turn the ignition key ON and start the engine.
Doing so will allow the engine’s alternator to recharge the battery.
NOTE ANY EXHAUST ODORS
This function should be performed prior to starting the engine; and
then again after about three (3)-to-five (5) minutes to determine
whether any leaks are apparent.
1. First ensure that the engine is OFF and that the engine safety
starting switch is disconnected. Be certain that the throttle/shift
control lever is in neutral. The engine must be cool.
2. Open the engine compartment and note whether there is any
unusual odor. In many instances, exhaust will have little or no odor,
but in the event of a potentially significant exhaust leakage, it may
be possible to smell a “rotten-egg” odor that signifies a probable
issue that must be addressed.
3. If leakage is apparent, tighten the hose clamps, being careful to
avoid crimping the hose. If the leakage is significant, or is occurring
at a location other than the joints (such as a split in a hose), see your
authorized MasterCraft dealer’s service department for parts and
service.
Exhaust fumes can cause illness or impairment, including carbon
monoxide poisoning. Equally important to consider, leakage can
lead to a build-up of potentially explosive fumes within the engine
compartment. DO NOT IGNORE OR OVERLOOK THIS INSPECTION!
REPAIR AS NECESSARY!
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