A Comprehensive Look at Winterizing Your Boat

Are You Ready to Winterize Your Boat?

A boat needs a lot of tender loving care, even when it’s going to be out of the water for the winter. Properly caring for your boat can be very cost effective in the long term, because you’ll avoid needing to pay for expensive repairs like broken exhaust manifolds, or worse, replacing an engine. Even with boat insurance, these repairs can be costly.

Use the following tips to shut down your boat down until spring. We’ve highlighted the most important ones, and included a full boat winterization checklist below.

1. Focus on fuel systems

There are a variety of opinions on how much fuel to leave in your boat’s tank over winter. One thing everyone can agree on, however, is the importance of fuel stabilizer. Since the introduction of ethanol gasoline, storing a boat over the winter has become a battle against fuel separation. If ethanol fuel comes in contact with water (which is likely in a water vessel) it can separate, leaving a sticky glue-like substance at the bottom of the engine. This substance can damage your entire fuel system, so the best way to handle it is to prevent it.

Add fuel stabilizer to the tank, using a factory-recommended winterizing solution. Then, run the boat to the correct temperature and check for leaks or other issues.

2. Change fluids and filters

Change gear and engine oil, as well as the oil and fuel filters. Fresh fluids hold up better over trying winter months, and go a long way to prevent damage causing condensation.

3. Drain water

Drain water from the engine block, exhaust system, sea-pump, hoses and coolers—especially if you don’t have access to a warm storage facility. Run the engine while it’s hooked up to an antifreeze pump until the antifreeze has filled the entire system and is coming out of the exhaust. The goal is to eliminate any water trapped in the system. If trapped water freezes over the winter, it can expand with enough power to break the steel components of your boat.

4. Disconnect batteries

Disconnecting the battery keeps it from dying over the winter, ensuring that the boat will be ready for a quick start in spring. It also comes with the added bonus of helping the batteries last longer—which is a benefit given that marine batteries tend to cost more than their dry land counterparts.

5. Spray anti-corrosion solution

Spray the engine and outdrive package with anti-corrosion spray. This preserves the paint and prepares the components for a long period of little usage.

6. Store safely

If your budget allows, the best place to store a boat is in a heated, indoor storage area. If you’re storing your boat outdoors, make sure you have a strong tarp cover over the boat throughout winter. If you do decide to dry-store your boat, make sure you properly prepare it to go back into the water once winter is over.

In the end, you’ll appreciate having taken all of these steps when the weather warms up and it’s time to hit the water. And, your boat will be around for many springs to come if it’s cared for properly each winter.

 

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