Step 4
Lubricate the cable ends and connections with a coating of
waterproof marine multi-purpose grease.
Step 5
Lubricate the pivots and linkages with a light grease.
Step 6
Shift the control lever from full-throttle-forward to full-throttle-
reverse several times to work the lubricant in.
Check the Ballast Pump Impeller
This applies only to X Series + XStar boats equipped with some type
of ballast system. The number of ballast pumps varies from system
to system. Authorized MasterCraft dealers can provide guidance to
locate any and all pumps.
Step 1
Remove two (2) of the cover screws and loosen the third screw.
Retain the screws for the re-installation process. Swing the cover
out of the way to allow access to the impeller location.
Step 2
Using needle-nose pliers, pull the old impeller out of the casing.
Step 7
Rotate the steering wheel back and forth several times to work the
lubricant in.
Step 8
Reinstall the access panel.
Lubricate The Throttle System
Because this process should be completed while all movable com-
ponents of the drive train are NOT in motion, MasterCraft recom-
mends this be done while the boat is out of the water.
Step 1
Ensure the engine is OFF and disconnect the engine safety starting
switch. Be sure that the throttle/shift control lever is in neutral. The
engine must be cool.
Step 2
Open the engine box and locate the shift cable end.
Step 3
Shift to full-throttle-forward.
2021MCOwnerManualFINAL.indd 377 8/26/20 1:54 PM
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