2007 MasterCraft Owners Manual - Page 17-3
NOTE: Placing the drain plugs in a plastic bag and attaching it to the steering wheel of the
boat will act as a reminder to reinstall the drain plugs during recommissioning in the spring.
Step 2: Use a short piece of stiff wire to dislodge any rust or scale that may be around the drain hole.
Step 3: Disconnect the large diameter hose that runs from the water circulating pump to the thermostat housing. Make
sure all of the water drains from the hose.
Fresh Water-Cooled Engines
Step 1: Remove the raw-water inlet and outlet hoses from the intake side of the heat exchanger.
Step 2: Check the level of the coolant on the fresh water side of the heat exchanger. Use the anti-freeze tester to test
the strength of the mixture.
Notice: A special anti-freeze tester designed to be used with propylene glycol anti-freeze
is required to test the strength of the mixture.
Step 3: Ifthecoolantlevelislow,addasufcientamountofcoolant/watermixtolltheheatexchanger.Useanap-
propriate mix of propylene glycol anti-freeze and distilled water, mixed in accordance with the directions on
the container for the anticipated temperatures.
Step 4: If the coolant in the heat exchanger is not strong enough to protect the engine to the lowest anticipated tem-
perature, take your boat to your dealer for replacement of the coolant.
Drive Train Preparation
Step 1: Changethetransmissionuidandcleanthelterscreen.
Step 2: Removetheattachinghardwarefromthepropellershaftcoupling.Separatetheangesandcoatthesurfaces
with multi-purpose grease.
General Power Package Preparation
Step 1: Clean dirt, grime and grease from painted surfaces of the engine and drive train.
Step 2: Touch up painted areas of the engine and transmission.
Step 3: Lubricate throttle and shift linkages and cables with multi-purpose grease.
Step 4: Spray the entire engine with a corrosion protectant and lubricant.
Step 5: Disconnect the battery cables from the battery and charge the battery fully. If you remove the battery from the
boat,storeitinacoolanddryplace.Neverstorebatteriesclosetoheat,sparkorame-producingdevices.
Step 6: Leavetheengineboxcoverproppedopenabouttwoinches(2”)toventilatetheenginecompartment.
Other Winterization Preparations
Step 1: Remove the bilge drain plug immediately after taking the boat out of water. After a general bow-to-stern wash-
ing, raise the bow of the boat higher than the stern to allow as much water as possible to drain from the bilge,
while performing other storage preparations.
Step 2: Thoroughly clean the hull, deck and interior of the boat as soon as it is removed from the water. Cleaning at
this time is easier because any marine growth is still wet. Be sure to allow a few days of air drying to prevent
mildewthatresultsfromtrappedmoisture.(SeetheCleaningsection.)
Step 3: Apply a coat of wax to the entire surface of the boat. We suggest MasterCraft Premium Marine Wax for excel-
lent coverage.