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than twenty-five (25) feet, and at least 600 square inches on boats
greater than twenty-five (25) feet.
Protect all underwater gear protruding from the boat hull from damage.
None of these components is rated to support any of the boat's weight.
Winterizing Boats
Equipped with Optional Flush Kit
Begin by performing a normal flushing of the engine.
With the boat out of the water:
• Locate the flush kit connector on the port side of the transom,
above the swim platform.
•
Connect a gardening-type hose as shown in the accompanying
photo to the flush kit system at the connector, and turn on the
fresh water at the source.
•
With the boat shifter in neutral, start the engine and allow it to
idle. During the entire process, DO NOT EXCEED 1100 RPM on
the engine. (The freshwater hose cannot provide sufficient
water supply to adequately cool the engine at higher RPMs.)
Also, never take the boat out of neutral gear.
• After approximately two (2) to three (3) minutes of flushing, shut
off the engine.
•
Turn off the freshwater supply.
• Disconnect the hose and reinstall the cap on the flush kit
connector.
Winterizing procedure:
After flushing the engine, remove the T-handle drain plug in the
bilge compartment, and the engine drain plugs located on the V-drive
under the coupler, bottom of the heat exchanger, and both manifolds.
2019 Malibu Boats, LLC Owner's Manual • Page 192
https://www.boat-manuals.com/
All drain plugs should be placed in a plastic bag and stored in a
visible location so when recommissioning the boat, the plugs will not
be overlooked.
• After flushing with fresh water, open all drain cocks. Depending
upon the model, there may be several.
•
When the water has fully drained, close the drain cocks and
tape shut the water inlet on the bottom of the boat. Use low-tack
type of tape to avoid damaging the finishes on the inlet and
surrounding metal and gel coat. The water pick-up does NOT
need to be taped.
•
With the boat shifter in neutral, start the engine and allow it to
idle. During the entire process, DO NOT EXCEED 1100 RPM on
the engine. (The freshwater hose cannot provide sufficient
water supply to adequately cool the engine at higher RPMs.)
Also, never take the boat out of neutral gear.
•
DO NOT RUN THE ENGINE FOR MORE THAN 10 SECONDS!
This procedure allows any remaining water in the system to be
forced out.
Such damage is not covered under warranty!
•
Remove the tape from the raw water intake, and the garden hose
from the valve.
Winterizing with the Boat In Water:
• After the flushing process is complete, remove the adapter from
the flush pump cap strap and insert the adapter into the flush
pump valve.
•
Using a piece of gardening-type hose, place the male end of
the hose into the flush kit fitting and place the other end into a
container of the marine-grade, 50/50 mix of distilled water and
propylene glycol coolant, if not using a pre-mix of the same.
Allowing the engine to run
more than 10 seconds could
cause permanent damage
from engine overheating.
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