Should I Drain Antifreeze After Winterizing Boat?

Do you leave antifreeze in boat engine?

Putting in the Antifreeze—Sterndrives Let the engine warm up to operating temperature, so the thermostat will open and let coolant circulate through the entire engine.

Warming the engine up is important, as it also lets the fuel stabilizer circulate through all fuel lines plus the carburetors or injectors..

How do you drain antifreeze from a boat engine?

Pour RV antifreeze directly into the thermostat opening or into the large hose attached to it. Keep pouring until you see a steady stream of the pink stuff running out of the block drain plug. Tip the trailer up (so it drains well) and place a bucket under the hull drain plug.

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.

Do you have to use antifreeze to winterize a boat?

You should use antifreeze to winterize your boat if you have an inboard engine or any systems with pipes or that carry water. You should also consider using it in your bilge. For outboard motors, you don’t have to use antifreeze. … If you have a simple boat with few systems, you shouldn’t need it.

How cold does it have to be for a boat engine to freeze?

Until the internals reach 30 degrees the water will not freeze solid even if it is pure fresh water. If it has any impurities or salt it will not freeze solid until 28 degrees or below.

How often should you flush your boat engine?

every six weeksA full flushing of the motors must be done after every use, and it’s recommended every six weeks if it’s been sitting in storage. It’s important to run the motors long enough for the thermostat to open, allowing the fresh water to flush the salt from the entire powerhead.

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.

When should I winterize my boat?

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.

Can I use RV antifreeze in my boat engine?

RV antifreeze and marine antifreeze are chemically the same. For most parts of winterizing your boat, RV antifreeze can absolutely do the job for a boat.

How can I keep my boat warm in the winter?

Electric boat heaters can be used in the cabin to warm the living space or in the engine compartment to keep the engine warm and dry. Just make sure to get the right one for the job, as cabin heaters and engine compartment heaters (also called bilge heaters) have different uses and features.

What happens if you dont winterize your boat?

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. When it comes to winterizing a boat, this is not a procedure that you want to miss.