• If the course time is between 15.88 and 16.28 sec-
onds, no adjustments are necessary.
• If the course time is not within that tolerance range,
press up or down on the calibration rocker switch to
adjust the speedometer’s speed interpretation.
Tachometer
On boats not equipped
with a multi-function
gauge, a separate ta-
chometer gauge is found.
The tachometer indicates
the engine speed in crank-
shaft revolutions per min-
ute (RPM).
Perfect Pass or MC Cruise
Boats equipped with
cruise control systems
provide short manuals that
describe how to operate
and maintain the cruise
control system. Refer to
the appropriate manual
prior to operation of the
system.
Fuel Gauge
Fuel gauge readings are only
approximate. This gauge is ac-
tivated with the ignition switch.
The rocking motion of the boat
during normal operation will
cause the fuel gauge to fluctu
-
ate. For a more accurate read-
ing, make sure that the boat is
level and with little or no motion
present.
MasterCraft recommends that operators do not run the
boat below a quarter of a tank, except as necessary to
return to shore, and not until the boat has been operated
enough times to develop an understanding of how the
fuel gauge readings relate to the visual inspection of fuel
left in the tank. Extending fuel usage beyond the known
capability of the boat may cause the boat to run out of
fuel and may leave you stranded off-shore.
Although it may be possible to see fuel in the bottom of
the fuel tank, you still may not be able to operate the
2008 MasterCraft Owners Manual Page 5-6
boat. The fuel pick-up system was designed to avoid in-
troducing the small amount of water and debris that un-
avoidably accumulate in the bottom of the tank. Rather
than relying on visual inspection, you should pay atten-
tion to the fuel gauge.
Further, it is not recommended to allow the fuel to fall
below one-quarter of a tank full at any time as it may
result in damage to the fueling system. (see the Fueling
section of this Manual.)
Temperature Gauge
The temperature gauge indicates
the water temperature inside the
engine’s cooling system as mea-
sured in degrees Fahrenheit. The
normal operating temperature will
range from 140 degrees Fahren-
heit to 190 degrees Fahrenheit.
Engines with electronic fuel in-
jection also have a control circuit inside the engine control
module that will cause the engine to run at reduced speeds
if the module senses that the engine is running too hot. If you
notice that your speed has reduced during normal opera-
tion, but you have not manually slowed the throttle, monitor
your temperature gauge.
If the gauge indicates excessive
temperatures during operation, slow down immediately
and turn off the engine.
This indicates an engine problem
that needs to be checked by the dealer!
Continuing to operate the boat while the tempera-
ture is above normal operating parameters may
cause serious damage to your engine. Damage to
your engine resulting from operating the engine
in an overheated condition can be costly to repair.
Such damage is not covered by your warranty!
Engine Oil Pressure Gauge
The engine oil pressure gauge
indicates the pressure of the
lubricating oil inside the engine.
The average pressure ranges
are between six (6) pounds per
square inch (PSI) at 1000 RPM
to 40 PSI or more at cruise range
speeds. A reading of pressure
below 5 PSI at 1000 RPM may
be caused by a low oil level or other potentially serious
