T
he
first
fifty
(50)
hours
of
operation
are
the
most
important to your boat. Proper break-in will ensure
maximum performance and the longest possible
power-train life. The break-in period allows moving parts
within the engine and transmission to wear-in properly.
All MasterCraft boats are lake-tested on the water before
leaving the factory, but the break-in must continue for the
first fifty (50) hours of your ownership.
To ensure proper break-in and lubrication, boat
owners should not remove the factory break-in oil
until after the initial ten (10) hours of operation.
At that time, an oil change should be performed
by an authorized MasterCraft service technician
at an authorized MasterCraft dealer.
Failure to follow the break-in procedure exactly as
stated will void the engine warranty!
NOTE: Before operating the boat for the first time
you must read the engine manufacturer’s manual
completely in addition to this Manual!
Please follow the break-in procedure carefully. Close at-
tention to the following is very important:
•
Maintain the proper oil level.
Until the piston rings,
cylinder and other working internal parts are thor-
oughly seated, oil consumption can be high and must
be carefully watched. (This continues to be important
after break-in, as well).
•
Pay close attention to the gauges.
It is important to
stop the engine immediately if the gauges indicate a
problem. Low oil pressure and overheating are seri-
ous issues and require immediate attention.
•
Abnormal vibration or noises.
These symptoms
can precede trouble and should not be ignored. Oc-
casionally, hardware may work loose, mountings may
need to be tightened or the driveline may require at-
tention.
•
Fuel, oil or water leaks.
Leaks can pose a serious
safety threat. If one occurs, it is most likely to do so
after a few hours of operation.
•
Vary the engine speed.
Never run the engine for
more than three (3) minutes at any constant RPM
during the break-in period. Doing this will assist in the
proper break-in of rings and bearings.
•
Plane the boat quickly.
Operating the boat at low
speeds places an excessive load on the engine.
Plane quickly, then back down to a slower speed.
First Hours of Operation
Each engine manufacturer has detailed and specific
requirements for proper engine break-in. That informa-
tion is found in the engine manual supplied, and must
be followed exactly as indicated. Failure to do so could
cause engine damage and/or failure that is not covered
under warranty.
After Break-In
Once the break-in period is over, the boat may be oper-
ated continuously at any speed, but not beyond the maxi-
mum indicated in the engine manual.
The engines are equipped with rev-limiters which will
cause a fluttering sound when reached. If the boat has
the correct propeller set-up, operators should never
new boat
break-in
2008 MasterCraft Owners Manual Page 8-1
new boat
break-in
