![]() Repairs are both costly and time-consuming, as one might expect. More than three-quarters of freeze claims involved cracks in the engine block or exhaust manifolds due to water remaining in the engine or cooling system after a harsh freeze, according to an analysis of ten years’ worth of freeze claims. Overnight, this expansion could shatter an engine block, damage fiberglass, split hoses, and completely destroy a refrigeration system. When frozen, freshwater expands by volume by around 9% and could be pushed outward by tens of thousands of pounds per cubic inch with force. Winterizing means, at its basics, that water is drained or replaced with adequate antifreeze to protect your boat from the lowest temperatures. You must prepare your boat for the coming winter before the temperature drops below freezing. Otherwise, the freezing and expansion of water and fuel damage would occur. Winterizing an inboard jet boat is necessary for keeping the engine safe in the cold. Top 5 FAQs and answers related to winterizing inboard jet boatįor the most boater, layout and winterization is important, whether it is a few months of colder weather or a full 6-month snow-and-ice winter.Watch Practical session on Jetboat Winterization | Video.Why do you need to winterizing an inboard jet boat?.By reading this guide, you will be able to know, How to Winterize an Inboard Jet Boat? in simple steps. One other idea is to “box out” a fiberglass bracket under the swim platform, effectively creating your own bracket.You might need to winterize an inboard jet boat if you live in a region where you can’t use it all year. If the conversion boat has a smooth and relatively flat transom then it will be easier. Slow cruisers don’t need tons of power either. There are so many older cruisers out there that have good hulls but tired engines and because of the limited layout, you can really open them up with outboards. I came across an older Sea Ray 330 Express with triple Mercury Verados added with a bracket. Easiest hack if find someone who has already done this, then you have the perfect prototype. Depending on your project, you may be adding seats or removing them to make more room in the boat. ![]() Depending how far your setback is, the weight distribution is different but might not be as drastic as you would think, the outboards are lighter and some brackets provide floatation. This would be your last chance to adjust. If you get to put the boat back in the water after you have mounted the bracket and try to replicated the weight of the engines on the bracket to see how it will float. If you’re lucky and have the ability, you will want to measure again when the boat has the power removed, where you can move added weight around. Determine the resting point with different weight in the boat. ![]() Always consult a pro but you are going to want to ensure the transom and knees are solid along with the stringers and floor.Ī good time to make some measurements as to where you want to mount the bracket and engines is when the boat is in the water. Because of the nature of extending the transom with a bracket and hanging a heavy engine off the back puts more strain on the structure of the boat. Unfortunately, sometimes pulling everything out shows some problems with the boat like rot, broken stringers and other necessary repairs before repowering. Much of the work is actually removing the old power, reinforcing the transom in some cases and getting the setback and engine mounting height right. Custom made brackets or standard brackets can work really well. There is no hard and fast rule but generally, the transom design and layout of the boat are factors. ![]() Here, I want to look at ones I have seen in the wild to see what works and what doesn’t. With some great deals on old sterndrive boats, I don’t think this trend will end anytime soon.Ī couple years ago I did an article about outboard conversions for sport boats and some of the qualities that make a good boat candidate. Here is a look at some really cool conversions and some not so good ones to see what’s happening out on the water. I have seen everything from large cruisers to mini jetboats converted and it made me think of how many older boats could be given a new lease on life by converting to outboard. What I see more and more of is different boats being converted to outboard power. With new boats being so expensive, it is not surprising when you see some creative restorations or some really cool vintage boats that are in great condition. One great thing about living in Florida for a boat enthusiast is you get to see almost every kind boat imaginable everyday. ![]()
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