than any other component on the boat. Therefore, it is very import-
ant to follow the break-in procedure EXACTLY as outlined in the
engine owner’s manual.
Engine manufacturers have detailed and specific requirements for
proper engine break-in. That information is found in the engine man-
ual 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.
Afer Break-In
Once the break-in period is over, the boat may be operated contin-
uously at any speed, but not beyond the maximum indicated in the
engine owner’s manual.
The engines are equipped with rev-limiters which will cause a
fluttering when reached. If the boat has the correct propeller set-
up, operators should never reach the limiter, but if that happens,
it is a signal that you should reduce the throttle and check with an
authorized MasterCraft dealer to determine the cause. Always re-
member that during normal operation you should allow the engine
to warm up gradually. Be sure the engine is warm before accel-
erating. Pay careful attention to the gauges and video screen(s).
Also, check the oil level frequently during the first fifty (50) hours
of operation since the piston rings and cylinders require that much
time to seat properly.
See the Scheduled Maintenance Checks and Services section for
more details.
Failure to follow the engine oil recommendations listed in the
engine owner’s manual can cause additional engine wear and
increase the possibility of engine component failure. Damage to
the engine due to incorrect oil usage can be costly to repair, and it
is not covered by the warranty!
2021MCOwnerManualFINAL.indd 329 8/26/20 1:54 PM
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