2007 MasterCraft Owners Manual - Page 5-3
Do not continue to run the engine if the oil pressure is low. If you do, the engine can become so hot that it—or sur-
rounding components—could catch fire. You or others could be burned and the boat seriously damaged. Check your
oil level and add an appropriate amount of approved motor oil before operating again or have your boat serviced by
your local MasterCraft dealer. Note that damage to your engine from neglected oil problems can be costly to repair.
Such damage is not covered by your warranty.
Check Engine Light
The red malfunction indicator Check Engine light is operated from an on-board computer that monitors the operation
of your fuel, ignition and engine control systems.
On some models, the Check Engine light should come on when the key is in the ON position and the engine is not run-
ning. This is a check to show you that it is working. If it does not come on at all, have it repaired by your MasterCraft dealer
right away.
If it stays on—or comes on while you are operating your boat—the computer is indicating that you have a problem.
You should take your boat to your MasterCraft dealer for immediate service.
Notice: If you continue to operate your boat with this light on, you could adversely affect the emission control systems
on the engine. You could also experience poor fuel economy, and your engine may not run as smoothly. This could
lead to costly repairs not covered by your warranty.
Voltmeter
The voltmeter registers the electrical activity necessary to operate your boat. If the battery is low or non-functional,
or if various electrical items on the boat, such as stereo equipment, is draining the battery and impacting the boat’s
ability to function properly, the voltmeter will likely be the fi rst gauge to indicate that an issue is occurring.
Low Voltage Battery Alarm
In the event that the stereo has been functioning when
the boat is not ON and running, the voltage drain on the
battery can result in diffi culties in re-starting the boat. It can
also cause intermittent erroneous or fl uctuating gauge read-
ings. To avoid this situation, when the voltage level reaches
11.5 volts, the system will shut off the stereo system and
sound the alarm for a period of two minutes to give boaters
ample time to adjust.
Other Alarms
Sensors check the oil pressure, engine and transmission
temperatures. If the system detects readings outside the ac-
ceptable range, the system shuts off the stereo (if ON) and
sounds the alarm for a period of one minute. Even after the alarm ceases, the Check Engine light will remain on.
This signals the need to return to shore and seek assistance from your dealer as soon as possible to diagnose and,
if necessary, repair the issue.
Ignition Switch
Never leave the ignition switch in the RUN position without the engine running; this will prevent the natural dis-
charge of the battery and result in damage to the starter solenoid.
Note that the STS is equipped with two ignitions, one for each engine and that the engines operate independently of
each other.
Safety Switch
The emergency engine safety switch, called the lanyard, is an ignition cut-off switch designed to stop the engine in
the event of an operator being thrown from position or moving too far from the helm.
The lanyard is equipped with a hook on one end for attachment to your clothing or PFD, and the opposite end has
Summary of Contents for 2007 MariStar
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