Will my outboard motor freeze?

A very popular question asked by a concerned boat owner, (mainly outboard motorboats) is Will A Boat Motor Freeze? The simple answer is yes. If the temperature is low enough, it can freeze. Water, oil and other engine related lubrication coupled with freezing temperatures is the main culprit for freezing a boat motor.

At what temperature will a boat motor freeze?

At what temperature will a boat engine freeze? Unwinterized boat engines can freeze any time the air temperature is below 28°F (-2°C) – for an extended period. Freshwater cooled engines without proper coolant can freeze below 32°F (0°C). The good news is you can prevent freeze damage fairly easily.

Do you need to run antifreeze through outboard motor?

To prevent freeze damage, prior to winter storage, many owners simply drain the cooling water out of their outboards. However, while it might seem like “overkill”, we recommend flushing your motor with antifreeze. This will prevent residual water from turning into ice and causing damage during a hard freeze.

Should I cover my outboard motor for winter?

I see this all the time up here: a boat stored outside for the winter, carefully covered, with its motor wrapped in plastic. … So don’t cover the motor. If you have your boat shrink-wrapped, ask them to either work around the motor, or leave gaps around the transom so some air can get to the motor.

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What happens if you forget to winterize a 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. … Mold and mildew take root, and you may come back to a boat in the spring that you can not use because of multiple system failures.

Can I leave my 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 winterize an outboard motor?

If you bring your boat to a shop to have it winterized, you can expect to pay between $300 and $400.

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.

Should I leave my outboard motor up or down?

Should I leave my engine up or down? Simply put, if you are leaving the boat in the water, leave it in the up position to avoid growth. If you are leaving it out of the water, trim it down to drain the water and protect the Power Tilt and Trim seals from the sun.

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Should you fog a 4 stroke outboard?

Fog the Engine



Ideally while the motor is still warm, treat four-stroke and conventional two-stroke engines with fogging oil to prevent corrosion within the engine. Remove the spark plugs and spray the fogging oil directly into each cylinder, following the directions on the can.

Do you have to winterize a 2 stroke outboard motor?

Winterizing a 2-Stroke Outboard Motor



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

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