that has occurred or remove water from the fuel tank or otherwise eliminate
anyproblemsthathaveoccurredduetofailuretoproperlypreparethefuel-
ingsystemforstorage.
EnginemanufacturerssuggestusingFederalorStateofCaliforniarefor-
mulated gasoline whenever possible as it stores as well or better than conven-
tional gasoline.
Even quality gasoline that has been properly prepared for storage
should never be stored for a period to exceed one (1) year.
Fuel systems on all boats MUST be properly prepared for stor-
age periods exceeding two (2) weeks, as outlined in this Owner’s
Manual. Failure to do so will void the warranty.
General Power Package
Preparation
Step 1: Lubricatethethrottle andshiftlinkagesandca-
bles with multi-purpose grease.
Step 2: MasterCraft recommends that batteries be re-
moved from the boat for winter storage. Batter-
iesshouldbefullychargedbeforebeingstoredin
acool,drylocation,protectedfromtheelements
and fully re-charged before being re-installed in
the boat. Never store batteries close to heat,
spark or ame-producing devices.
Step 3: Leave the engine box cover propped open about
two inches (2”) to ventilate the engine compart-
ment.
Other Winterization
Preparations
Step 1: Removethebilgedrainplugimmediate-
lyaftertakingtheboatoutofthewater.
After a general bow-to-stern washing,
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 re-
moved from the water. Cleaning at
thistime is easierbecauseany marine
growth is still wet. Be sure to allow a
few days of air drying to prevent mil-
dew that results from trapped mois-
ture. (See the Cleaning section of this
Manual.)
Step 3: Applyacoatofwaxtotheentiresurface
of the boat. We suggest MasterCraft Pre-
mium Marine Wax for excellent coverage.
Step 4: If the boat is equipped with a heater,
shower or ballast bags/tanks, be sure
to disconnect the hoses and drain any
remaining water in the lines to avoid
freezing. Even small amounts of water in
anyoftheseareascancausesignicant
damage upon freezing and such damage
isnotcoveredunderthewarranty!
Note: Be sure that hoses will not become en-
tangled in the engine V-belt when the engine turns
over or the hose and/or the belt will be damaged.
Step 5: Useducttape tosealthe exhaust aps
to prevent dirt and nesting rodents from
entering.
Step 6: OnCSX 265models equipped with the
hotwaterheater,anywaterinthetank
must be removed to avoid the risk of
freezing and damage to the tank. The
water pumped into the heater comes
from a freshwater holding tank, and it
can be left in the water heater when
the boat is not in use, EXCEPT during
extendedperiodsofstorage.Aswithany
part of the boat in which there is water, it
must be removed at the time the boat is
winterizedtoavoidfreezingthatmaycausedamagetotheboat,theholdingtankor
thewaterheater.Thewaterisremovedbyrunningtheshoweruntilallthewaterhas
comeoutorbydisconnectingtheplumbingttingsintheforwardservicebayunder
the helm seats.
Step 7: On 255V, X-55,280V andX-80 equipped with heads, clean the tanks with a mild
cleanerorwarmsoapywaterthatwillnotharmthenish.Avoidallpetroleum-based
householdcleaners.Storetheheaddryandclean.Failuretodosomaycauseunnec-
essaryodorsanddamagetothetanks,andthisisnotcoveredunderwarranty.
Ifusing anti-freezein thishead, drainthepotablewatertankandaddfreshwa-
teranti-freezetothepotablewatertank.Flushtheanti-freezeandwatermixture
throughtheheadandintothewasteholdingtank.Thenemptytheholdingtank.
Neveruseautomotive-typeanti-freezeinthisfreshwatersystem.
Step 9:Ifthetowerwillbeloweredduringstorage,becertainthatthetowerdoesnotrest
ontheboatupholsteryoronanysupportthatrestsontheupholstery.Thetower
orsupport(s)mayleaveapermanentimprintontheupholstery.Thisisnotcovered
underwarranty.
Step 10: Cover the boat with a boat cover or tarp.
Note: If the boat is to be stored outside and subject to accumulations of snow, water
and ice, a support should be made for the boat cover so that it will not sag, rip or tear, there-
by allowing water to enter the boat. Two-inch diameter PVC plumbing pipe is ideal for this
purpose. It is readily available at local hardware stores, and it is easy to work with. Also, its
rounded shape will prevent damage to the canvas.
MasterCraft 2012 Owners Manual • Care and Maintenance • Page 4-21
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