On a V-drive transmission,thelterisaccessedthrougharoundplugonthesideofthetransmission
housing.
Step 6: On a 1:1 transmission, remove and clean the screen. When re-installing, use and ensure that the gasket is
placedcorrectly,afterreplacingthelter.
Step 7: Thefollowingchartshowswhattypeoffluidisneededforyourchange.(Ifyourtransmissionisnotlistedhere,
checkwithyourMasterCraftdealerforspecicationsoncapacitiesandrecommendedfluidtype.)
Transmission Model Ratio Capacity Fluid Type
ZF Hurth in-line 450D 1:12 1.7 qt. (1.6L) Dexron II, III or MECON
ZF Hurth in-line 450A 1.5:1 2.12 qt. (2L) 15W40 motor oil
ZF Hurth in-line 630A 1.5:1 4.2 qt. (4L) 15W40 motor oil
ZF Hurth V-drive G30V 4.2 qt. (4L) 15W40 motor oil
Note: Access to the transmission uid fi lters is somewhat diffi cult in some models; nonetheless, this mainte-
nance is vital to long-term, trouble-free boating. If you feel that you cannot complete this process, contact your dealer.
2007 MasterCraft Owners Manual - Page 15-13
Check the Engine Mounts
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 four motor mounts.
Step 3: Check the tightness of the mounting hardware and adjustment lock-nuts.
Tighten any loose hardware securely.
Check the Propeller Shaft Coupling Alignment
MasterCraft late-model boats are equipped with a dripless propeller shaft log. If it is showing signs of drips, it
must be corrected by the MasterCraft service technician.
Inspect the Exhaust Flaps for Damage
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.
Step 2: Inspecttheexhaustflaphingeforsignsofdeterioration.Replacetheflapifnecessary.
Lubricate the Steering System
Because this process should be completed while all moving
components of the drive train are NOT in motion, we recom-
mend you do this 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 con-
trol lever is in neutral. The engine must be cool.
Step 2: Remove the access panel in the rear trunk compart-
ment.