![]() It is a thoughtful idea to have it if winter provides some periods of cold below the motor freezing point. Below on this page we suggest directions and considerations for both cases.ĪNTIFREEZE is not a panacea but a strong solution. There is a serious difference between winterizing an inboard boat motor compared to winterizing an outboard boat motor. Thinking ahead is the safest way at sea, thinking ahead is what we do when winterizing a boat motor to keep it far from any possible freezing damage. Panic is your enemy but you prevent it wisely. Keep in mind when a frost strikes the land suddenly it shall be too late (and cold for you) to run in panic carrying marine antifreeze and an electric blanket to the boat parking. Understanding how freezing works, be sure to choose some of them. However, taking extra precautions will set your mind free.ĭepending on the region, you should choose in advance how many and which of the winterizing precautions you want to apply, and NOT necessarily all of them. Making the engine environment warmer is a good idea if a cold period strikes suddenly and/or is short enough through the year. Nothing too bad should happen from a short exposure to a freezing temperature. The boat motor freezing temperature should last a while before it causes any severe damage, because it takes a while to freeze the interiors of the boat and the insides of the motor. For other cases it is freshwater in the system. If you cruise in saltwater, cooling the engine with outboard water, the latter is naturally in the boat engine system. Start at the beginning – at what temperature will water freeze in an engine? The potential danger of freezing and of the consequent crack of the boat engine block appears at the water freezing point equal to +32F and below, as for freshwater.įor saltwater the freezing point is at about +27F providing that your engine is cooled by the outboard water. ![]() How Cold Does It Have To Get To Crack A Boat Engine Block? Keeping a Boat Motor From Freezing – Wrap-up.Use an Electric Blanket To Winterize an Inboard Boat Motor.How To Keep Boat Engine Warm In Winter? Use a Bilge Heaters.How To Winterize an Outboard Engine Of a Boat. ![]() How To Keep an Inboard Motor From Freezing.Do You Need To Put Antifreeze Into an Outboard Motor?.How To Keep An Outboard Motor From Freezing. ![]() Exposure of the Motor to Low Temperatures.How Cold Does It Have To Get To Crack A Boat Engine Block?.Now that you know the basics, consult with your dealer to find what type of power best suits your needs. And, because there is no closed cooling system, an outboard can be used throughout the cold weather months without the cost and inconvenience of winterizing or the danger of freezing. Since all parts of an outboard system are designed for marine use and can be easily flushed, they are generally more corrosion resistant than inboard engines, and, therefore, more suited for saltwater use. However, there's usually only room for smaller swim platforms on both sides of the engine. Since the engine is mounted outside the boat on the transom, interior room is unobstructed. Outboards offer quicker acceleration and higher top speeds than similarly powered sterndrives, but fuel economy may not be as good. If you have a smaller tow vehicle, you can "pack more power" with an outboard. An outboard has a higher power-to-weight ratio-it's lighter than a sterndrive of similar performance capability.
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