problems that result in low oil pressure. If you experi-
ence low oil pressure, stop your engine immediately
and check your oil level before operating again.
Do not continue to run the engine if the oil pres-
sure is low. If you do, the engine may become so
hot that it, or surrounding 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 authorized MasterCraft service de-
partment. Note that damage to your engine from
inappropriate oil levels can be costly to repair.
Such damage is not covered by your warranty.
Voltmeter
The voltmeter registers the
electrical activity necessary to
operate your boat. If the battery
(or batteries, in boat models
requiring two [2]) is low or non-
functional, or if various electrical
items on the boat, such as ste-
reo equipment, are draining the
battery(ies) and impacting the
boat’s ability to function properly, the voltmeter will likely
be the rst gauge to indicate that you have an electrical
problem. The voltmeter cannot tell you which battery is
draining on boats with two (2) batteries, but rather func-
tions as a general alarm to alert boaters regarding po-
tential issues. On boats equipped with two (2) batteries,
the alarm indicates severe drain on the engine starting
battery. To determine which battery is the engine starting
battery, read the markings on the battery cables.
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 (or batteries) may result in difculties with
re-starting the boat. It may also cause intermittent erro-
neous or uctuating gauge readings. When the voltage
level reaches 11.5 volts or below, the system will shut
off the stereo and sound the alarm for a period of two (2)
minutes to give boaters sufcient time to adjust. Gener-
ally, the appropriate action is to leave the stereo OFF, as
well as disengaging any other peripheral electrical com-
ponents, and keying ON the engine. Running the engine
at a moderate rate for several minutes without the ad-
2008 MasterCraft Owners Manual Page 5-7
ditional drain of stereo and unnecessary electrical equip-
ment will allow the alternator to recharge the battery or
batteries, unless the battery(ies) have been used to the
extent of their life span.
Other Alarms
Sensors check the oil pressure, engine and transmission
temperatures. If the system detects readings outside the
acceptable range, the system shuts off the stereo and
sounds the alarm for a period of one (1) minute. This
signals the need to return to shore as soon as possible
and seek assistance from your authorized MasterCraft
dealer’s service department to diagnose and, if neces-
sary, repair the problem.
Emergency Engine Safety Switch
The emergency engine safety
switch, called the lanyard, is an
ignition cut-off switch designed to
stop the engine in the event the
operator is thrown or moves too
far away from the helm.
The lanyard is equipped with a
hook on one end that should be
attached to your clothing or PFD,
and the opposite end has a slide
that ts over the ignition switch.
Be sure that the slide is rmly attached to the ignition
switch before starting.
The ignition switch is located near the throttle control
box, the armrest or on the instrument panel. If the slide
is left off or is loose, the engine will crank but will not
start. Operators should NEVER attempt to override
this safety system!
e safety switch lanyard must be attached to the
operator whenever the engine is running. Failure
to do so may result in death or serious injury!
Blower Switch
A two-position rocker switch activates the engine box
ventilation blower. Push the top half of the switch to turn
the blower ON.
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