ments on the display will light up. Also during the self test, the gauges will re-set, go to mid-scale and then to full-scale.
After two sweeps the system returns to normal.
Speedometer
The speedometer indicates the forward speed of the boat in miles per hour (unless your boat is equipped with the
kilometers per hour available in the European package).
To calibrate the speedometer you need an accurately measured course of 850 feet and a certifi ed stopwatch ac-
curate to within one-thousandth of a second. To calibrate to AWSA offi cial-tournament rules:
• Approach the course at an indicated 36 miles per hour (MPH). Hold the speed steady and have an observer check
the course time with a stopwatch.
• If the course time is between 15.88 and 16.28 seconds, no adjustments are necessary.
• If the course time is not within tolerance, press up or down on the calibration rocker switch to adjust the calibration.
Fuel Gauge
The readings are only approximate. The gauge is activated with the ignition switch. Rocking motion of the boat dur-
ing normal operation will cause fl uctuation of the fuel gauge. For a more accurate reading, make sure that the boat is
level and at rest. When the boat is placed into initial operation, do not run the boat below a quarter of a tank until you
have refueled several times and have a sense of how long you can operate the boat on the fuel available. Extending
usage beyond the known capability may cause the boat to run out of fuel and strand you away from the 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 boat.
The fuel pick-up system was designed to avoid introducing the water and debris that inevitably accumulate in the bottom
of the tank. Rather than relying on visual inspection, you should pay attention 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 dam-
age to the fueling system. (See the
Fueling
section of this manual.)
Temperature Gauge
The temperature gauge indicates the cooling water temperature inside the engine as measured in degrees Fahrenheit.
The normal operating temperature will range from 140 degrees to 190 degrees. Engines with electronic fuel injec-
tion 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 operation
without reducing the throttle, monitor your temperature gauge. If the gauge indicates excessive temperatures during
operation, slow down immediately and turn off the ignition. This indicates an engine problem that needs to be checked
by the dealer!
Continuing to operate the boat while the temperature is above normal operating parameters may cause serious dam-
age 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!
2007 MasterCraft Owners Manual - Page 5-2
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 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 problems that result in low oil pres-
sure. If you experience low oil pressure, stop your engine im-
mediately and check your oil level before operating again.
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