Do you need antifreeze to winterize an outboard?

Do you have to run antifreeze through an outboard motor to winterize it?

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.

How much antifreeze Do I need to winterize my outboard?

Antifreeze, A Friend Indeed

Thanks. If you’re going to winterize a boat you’ll need around a five gallon bucket and two gallons of antifreeze to protect your engine and all related plumbing.

Do you have to winterize a 4 stroke outboard motor?

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 you use regular antifreeze to winterize a boat?

Fill a five-gallon bucket with undiluted non-toxic antifreeze. Have additional antifreeze handy if you know your boat takes more than that or if you’ve never winterized before. You can use any leftovers in the boat’s plumbing systems.

What is the difference between marine antifreeze and automotive antifreeze?

Marine antifreeze is non-toxic and often contains rust and corrosion inhibitors that protect your engine during the winter. In contrast, auto antifreeze is designed to be used both as antifreeze and coolant for your car engine and can be extremely toxic and environmentally damaging.

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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.

Is fogging an outboard motor Necessary?

Fogging oil is an anticorrosive that will protect the internal surfaces of the carburetor and the cylinders. Typically the engine will run rough just before it runs out of fuel. As that happens, give the carburetor(s) a heavier shot of fogging oil to make sure internal surfaces are fully coated.