Why do you winterize a boat?

Winterizing a boat is an essential process unless you plan to make necessary repairs to your boat come springtime. If you do not winterize your boat, any water droplets left could freeze, expand, and crack the components they were in. This could cause anything from blowing off a hose to completely ruining your engine.

What happens if you don't winterize your boat?

If You Don't Winterize Your Boat, Here's What Happens: Water freezes and expands and can damage anything it's trapped inside. Water may seep into unprotected spaces to do this. Acidic and corrosive wastes, salt and corrosion buildup can damage delicate parts in engines. Fuels break down or grow dirty.

Do all boats need to be winterized?

All boats need to be winterized, especially motorized boats. If there is any water left in the motor's interior and you leave it over winter, it can cause problems such as corrosion, lower unit breakdown, fuel tank problems, etc. For non-motorized boats, proper cleaning and storing is sufficient.


How long can a boat sit without being winterized?

Temperatures below 30F for >24 hours is generally where you have to start getting concerned.

Do I need to winterize my boat if I use it in the winter?

If you plan to use your boat year-round, and you live in a place where the temperature dips below freezing occasionally, you should winterize systems such as the water holding tank, showers, livewells, faucets and the head system — if your boat has them — and don't use them during winter.


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How much does it cost to winterize a boat?

The average cost of winterizing a boat is around $300. This average cost can change depending on your location. Professional fees can also vary. This average can go down to as little as $150 if you have a smaller boat, around $500 if you have a bigger one, or want to invest in other winterizing accessories.

Is winterizing an outboard motor Necessary?

Despite climate change, winter can still bring freezing temperatures to much of the nation. Like inboards and sterndrives, outboard engines are also subject to potential damage from freezing and from being laid up in disuse for months at a time. So outboards demand winterizing too.

Can I winterize my boat myself?

You need to run antifreeze through the system to get it properly winterized. Winterizing antifreeze can be run through the system to clear out any water present. You'll want to check in on your boat periodically over the winter to ensure that it is in good condition.

Can you start a boat that has been winterized?

Re: Starting a Winterized Boat

Probably smart to start it up beforehand and blow out the smoke from the fogging oil for a few minutes. Then change the plugs for a quick start.


How cold does it have to get to crack a boat engine block?

In a boat engine, turning a crank at a temperature of 25 degrees Fahrenheit (-3 degrees Celsius) may cause the engine block to crack.

Do I need to winterize my boat if I keep it in the garage?

Of course, as BOATUS states, the best winter storage space for your boat is “indoors, in a climate‑controlled facility with a backup generator.” This means that you need control over the temperature in your garage. A good garage door that seals out the cold will help keep your boat safe over the winter.

What happens to a boat motor if you don't winterize it?

If you do not winterize your boat, any water droplets left could freeze, expand, and crack the components they were in. This could cause anything from blowing off a hose to completely ruining your engine.

Can you leave a boat in the water during winter?

Yes, keeping water, snow, and ice out is important, but so is letting the cover breathe to prevent “locking-in” moisture. To prevent mold and mildew inside the boat, you need to select a boat cover with vents capable of releasing any air that may build up inside the vessel over time.


What happens if you don't winterize?

Cracked pipes and fittings

If an irrigation system isn't properly winterized, water will be left in the pipes all winter. When temperatures get below freezing, the water will freeze and expand in the pipes, which could cause cracks in the pipe or on the fittings.

How long does it take to winterize a boat?

First things first, how long does it take to winterize a boat? Well, depending on your experience, it should take you about 4 hours to complete the task. However, it could take a lot longer if you are a rookie!

Should I Fog my boat motor?

Fogging a boat engine is not completely necessary but is highly recommended. Putting a stabilizer in your gasoline can help reduce the long-term storage issues but is not a guarantee. Essentially, fogging oil is an inexpensive way to better protect your boat engine while it's left idle.

How long can you run a boat motor out of water?

How Long Can an Outboard Run Without Water? An outboard motor's water pump will be damaged in as little as a few seconds without a water source. Depending on the size of the outboard engine itself and ambient temperatures, it may be able to go a few minutes without damage.


Do you need to winterize a 4 stroke outboard motor?

Many Yamaha outboard motor owners live in climates where they are taken out of service for the winter months, which means winterizing their outboards is a must. Winterizing your outboard motor is one of the most important maintenance you can perform as a boat owner.

What happens when a boat motor freezes?

It's the water inside your engine which freezes, and that can damage improperly winterized and un-winterized engines. Water expands when it freezes, and the force it can exert in expansion is strong enough to split rubber hoses, crack iron, and rupture aluminum.

How do you winterize a boat without starting it?

Two things need to happen: Oil Change and Anti-Freeze the Raw Water side of your motor. Oil Change works best if you can run the motor for 5 minutes or so and let it warm up. Helps make it flow easier and resuspends the particulates for easier drain/suck out.

Should you run antifreeze through outboard?

You do not need to run antifreeze through an outboard, period. They're designed to drain completely in the tilted-down position, and do not need an ounce of antifreeze.


Do you need to winterize a 2 stroke outboard?

Regardless of the season, you should winterize your outboard anytime it isn't going to be used for more than a month.

Do outboards self drain?

All outboards have a self-draining cooling system. There is no reason to start the motor with the notion that you are going to purge the last drops from the water pump housing.

Can you leave a boat outside in the winter?

Outdoor boat storage is certainly possible for your boat during winter. If you decide to do this, it is especially important to pull your boat completely out of the water because ice and very cold water can do great damage to your boat.

How much does it cost to get an outboard motor winterized?

If you winterize your boat yourself, it will cost you about $250. This price includes the cost of winterizing the engine, the other systems of your boat, and cleaning it, stem to stern, inside and out. However, if you have the work done at a boatyard, expect to spend $500 up.
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