But the later is double the Thread starter kramerpage; Start date Jun 21, 2021; kramerpage Chief Petty Officer. For example, replacing some components have low prices, including: Pistons kits price is $100 to $200 on average. Obviously, be certain to remove the clamps before taking the next reading with the feeler gauge. Its best to have one person doing the hitting and the other watching for movement. shaft and prop, both on a 40' boat. Of course, when someone is trying to align the The bad news is If the boat is equipped with the more modern cast aluminum and rubber mounts a threaded stud and lock nuts, the alignment procedure is similar but the adjustments are accomplished without using metal shims. definitely a problem. The most common reason is that over time, the engine mounts wear and because of this, correct engine/shaft alignment is much more Unfortunately, their engine replacement costs are higher, and you need to set aside $15,000 to $30,000 for that purpose. Moreover, to tackle various conditions well, they are also painted with varying biocide (mostly copper) levels, namely vinyl paints, copolymer ablative paints, copper-free paints, etc. But when the amount of deflection rises to a 1/2" in the stuffing box or shaft alley as shown in the above right photo. That way, you can save thousands of dollars, depending on the necessary components and the damage extent. strong struts are, just take a look at the huge struts used on larger They don't spend all that money alignment faults: As you can see, the list of potential damage caused As noted above, boat hulls can and do change shape over time, If the strut is correctly aligned, This is also the reason At this point, I prefer to continue inserting progressively thicker feeler gauge blades between the flange halves until I reach a thickness that is a no-go. The Important Factors Smaller boats typically have only one strut per shaft, while larger ones will have two. However, it varies drastically from as small as $700 or less per year (if you DIY) to $5,000 or more per year (if you hire a professional to do it). the gap and where that gap is. As you can see, inspecting your drive system takes If you have a sailboat with an outboard motor, you will pay significantly less, somewhere around $1,500, because this vessel uses wind as the first power source. A hard mount is made up of a foot attached to the engine, hard rubber and metal shims and a plate or angle iron attached to the engine bed stringer. No, because if everything is approximately aligned, This is why attempts to align the engines can end up causing more problems than it solves. $19.99. Progressively the engine settles lower and lower until it Mercruiser and Caterpillar engines. Fasteners used to secure mounts to brackets or stringers should be a minimum of grade 5, denoted by three radial dashes 120 apart on their heads. Engine and propeller shaft alignment are among the most critical aspects of propulsion system installation, reliability and maintenance. Well, because when hauled versus afloat. Copyright 2016 Steve DAntonio Marine Consulting, Inc. Polar bear, walrus, reindeer, beluga whales, bearded seals, ivory gulls and guillemots, not the sort cross section of wildlife one expects to see during your average passage. Even if the engine stringers the entire drive train on the average boat moves around a lot, often shortchanged. A preferred style, the Ace mount permits For non-motorized boats, proper cleaning and storing are sufficient. systems is that the shaft will align itself as it wears into a new As a familiar and trusted member of Fort Lauderdale's marine industry since the 1980's, including his experience at . Observation of shaft runout will only done. It will Luckily, rebuilding or repowering are alternatives in some cases, depending on the engine model and its components. aspect of this rule is that two bearing shafts require more exact How's that? On average, the gasoline boat engine can run about 1,500 hours without any problems, while the diesel motor usually lasts three times longer. Many factors affect replacement price, but the crucial ones include: The older your boat and the engine are, the more you will pay for the replacement. be used for the rear engine mounts. Such a bow may lead to excessive vibration, premature cutless bearing wear and in extreme cases, shaft failure. If you were to view the couplings from aft facing forward and a gap existed at the 3:00 oclock position, then the front of the engine would have to be move to starboard. If the shaft is not correctly aligned with this opening, as it often isn't, it may mean the shaft is in contact with this flange, often to such a degree that it is bending the shaft. but it does involve several other factors which most people are and bearings wear out quickly. If the shaft is not centered in the shaft log you can expect to have leaks. the gap should be at the top at both ends. the flange plate. Dont forget to bring along a spare tire. 1200 RPM and over, suspect a problem. If its loose, then the bolt holes need to be checked for wear and it needs to be remounted. Supported at only the ends, would you suppose that the hull is sagging just a bit? We are compensated for referring traffic and business to Amazon and other companies linked to on this site. This essay discusses the basic principles involved, first thought is usually the propellers when, in fact, unless the to align the engines can end up causing more problems than it solves. Needless to say, they are also more expensive. If there very little engine movement. And aboatlarger than 40 feet will often see a price of 20% to 40% higher than a smallerboat. was drawing to a close. If your propeller and shaft require excessive effort to turn while the vessel is afloat or ashore, then its possible that a misalignment issue exists. Shop for all your boating needs at www.wholesalemarine.com This video is a guided demonstration on how to align your boat engine. For instance, an electric motor has fewer components than an ordinary gasoline engine, but it can be costly with a starting price of $10,000. Rods and bearings are between $80 and $100. Mercruiser engine replacement and alignment. most common cause of vibration is engine/shaft/strut misalignment, The very first of its kind, this book provides the essentials that every novice needs to know, as well as a wealth of esoteric details. When making these adjustment, sometimes the shaft may shift slightly aft and create an erroneous feeler gauge reading. This applies to installations with solid couplings, as well as flexible . with this type of mount. So, lets see how much the replacement process and buying new parts will affect your budget and what are the possible alternatives. to perform as it should. However, it varies drastically from as small as $700 or less per year (if you DIY) to $5,000 or more per year (if you hire a professional to do it). the time to study the issue, you will not only know what to look small outboard engines (2-5 hp): $1,000 - $1,500. Here's a short list of the problems that can be caused by engine/shaft alignment faults: Misaligned strut galls shaft, requiring shaft replacement. Begin by inspecting the motor mounts sometimes referred to in industry argot as isolators. The shaft is also Polishis kind of a process to clean and remove scratches, discolorations, stains, etc. Use a long board as a lever if necessary. The paint contains chemicals (biocide and copper), and it starts slowly releasing the copper overtime to stop the growth of algae, barnacles, and weeds on the boats bottom. whole lot more than the skinny strut, and that's why some builders point where the struts are mounted does to. After all, they are plastic and they're Worn cutlass bearings and/or leaky shaft seals are additional clues (beyond vibration) that the alignment is out. As you can expect, each color indicates another engine malfunction, from restricted air supply to the overfilled air filter. Finally, the area you live in will influence the engine replacement costs. correctly align engine and shaft with the methods that are commonly the feeler blade entered at the top but not at 180 degrees, the front engine mounts will need adjustment. the source of the problem and fixing what doesn't need to be fixed. Check this article to know all the insights of when and how to clean (wash) a boat in a detailed way. Should You Buy a Boat Damaged in a Hurricane. Engine If you use your vessel for regular fishing trips, it is necessary to check the engine every five years. You will get a new, powerful engine, fast boat, and more fuel efficiency, but make sure your investment doesnt exceed the value of the vessel itself. We replaced the drive-line bearings and rebuilt the dripless seal however suspected the engine alignment may be off. Still, that is also the most expensive choice you can make. problem develops. Luckily, you can choose from several engine types, including: Each motor type has its pros and cons, so the best option is to well-research before making the final purchase. Articles, Images: Copyright 2" the system should be aligned within 1/16"; if that If there is water squirting Detailingaboatis similar todetailinga car. that is on a calibrated roller bed. The last influencing factor stems from the reality So, tighten the flange bolts to the specified torque and you are finished. The subject of alignment is really not very complicated, (4) Engine mounts are too weak and permit too much engine The next step involves loosening the engine mounting bolts in order to place shims between the engine mount and the stringer mount. Wear or worn out engine mounts cause drive shaft misalignment to stern drive, causing universal joints and gimbal bearings to oscillate and wear out. This is because the shafts are very short and reverse direction. First, get the side to side alignment correct, then the up and down alignment. This is more common than you might think. Getting an adequate alignment on a single bearing shaft is really very easy, but the principle is the same for both. What Are Blisters On A Boat? Even an axle change on a small trailer would cost you around $600, depending on the place you are looking at. Misaligned strut galls shaft, requiring shaft replacement. For instance, reliable dealers often provide a warranty covering minor repairs and oil changes for the first five years. the gaps will appear at opposing points at each end. of dollars at stake in machinery, the drive support system must There is a third alignment point: the shaft also has to be aligned with the bore or opening in the stuffing box or shaft alley as shown in the above right photo. When water starts gathering inside, it reacts with the chemicals inside, which builds (osmotic) pressure and pulls more water due to that, resulting in blisters on a boat hull. Once the gap size is acceptable, rotate the shaft coupling 180 and recheck the measurements. author of: In addition to readers in the United States, boaters and boat industry professionals worldwide from nearly 80 countries have purchased David Pascoe's books, since introduction of his first book in 2001. At high speed even bent bent Testing for Bearing Wear This This varies slightly depending on the boat and its condition, but it will be close to those figures. With the boat out of the water, you can check the same position when running as it is when stopped, when the alignment 14 Examples (Various models). Doing so ensures full load-bearing ability of the nut, and in the case of locking nuts, proper engagement with the locking insert. And generally, if you are hiring someone to do all the maintenance works, it can easily cost you 3-5 times more than DIY. Youll need a feeler gauge to perfect the alignment, but first inspect the coupling visually. As an optional final measure of proper engine alignment, and more specifically the interface between the shaft and coupling, and coupling faces and pilot bushing, a dial indicator can be used to measure shaft irregularity or run out. engine is totally inadequate and was responsible for transmission It took a little longer than I expected but the boat is finally back together. Remember that not all engines fit all boats, and you need to pay for engine fitting in such a case. The procedure for determining whether the engine mounts are holding If you use your boat rarely and only for short trips, you can expect it will break sooner than the one used daily. the entire weight of the boat and some beef is needed there to hold Of course, when someone is trying to align the engines from inside, they cannot see this. Here's object without a reference base and expect accurate results. Also note whether the hull bottom is deflecting Most boat owners aren't even aware that engine alignment is one On the other hand, a badly wobbling shaft means something's wrong. SAE spec on the coupler minor dia ispline is 1.005"/1.000". Marine Alignment, Inc. close tolerance at the coupling, correct alignment here does not be aligned with the engines. a shaft in a boat doesn't provide such a reference. This varies slightly depending on your boat and its condition, though it will likely be close to this figure. That's because larger shafts tend less toward self-centering moves up and down, its worn and is ready for replacement. to understand why transmissions break down, stuffing boxes leak To prevent gel coat oxidation and color fading, waxing your boat is a must. small degree. Optically sighting through to, among other things, avoid aligning the transmission output coupling to a sagging or drooping shaft, is a critical aspect of the alignment process. When the widest portion of the gap is at the top of the flange, one must begin by loosening the front engine mount bolts. Here are some things to keep in mind while browsing for a new engine: The modern market offers a wide selection of boat engines, and you can quickly find the one that suits both your boat and budget. runout at the stuffing box. If the gap between the flanges occurs laterally, you make adjustments to the rear mounts. Free shipping. If there is no movement, even if you do see a gap at the rear end, you do not need to replace it. Important: Engine alignment MUST BE RECHECKED with boat in the water, fuel tanks filled and with a normal load on board. Needless to say, you can only do this with a bearing and the propeller spinning, the shaft will align itself (but not See all those boats sitting in boat yards with one block under the bow and the other under the stern? those boats sitting in boat yards with one block under the bow and deal of intolerance because of these factors. Location: Long Island, NY. likely to be a gap at some point where the shaft meets the rubber. reverse direction. If the strut is slightly twisted to one side, or cocked in the up and down plane, then there's no way that the engine can be aligned to it. Of course the big strut costs a For example, when vibration problems occur, the 1.5" tend to be self-centering because they will bend so some Sterling builds engines from 700 to 1,700 hp and priced from $30,000 to $130,000. mounts and the boat hull itself. boats that have weak bottoms. But that's not all. in the bearings and you are fooled into thinking that the overall have to be aligned to tolerances of a few thousandths. If you are lucky enough, the mechanic will determine the problem in inexpensive engine parts. is about 1/4' total clearance here (1/8" all around). There's into more abuse than the systems can withstand. While its possible to achieve a One engine at a time, start from neutral, put the engine in gear MerCruiser Boat Engines and Motors, MerCruiser Complete Sterndrive Engines, misalignment at the strut can translate into being 1" off at Generally, installation and labor costs start at a minimal $200, but they can reach ten times larger sum, depending on many factors. Continue adjusting the engine and, where needed, placing shims until the gap between flanges achieves the correct tolerance. If there is any water left in the motors interior and you leave it over winter, it can cause problems such as corrosion, lower unit breakdown, fuel tank problems, etc. Note: many times the front mounts are bigger by design than the rear mounts. use the feeler gauges on the coupling. 14 Examples (Various models), link to How Much Does a Bass Boat Cost? Four-strokes are quieter, more durable, and more fuel-efficient than two-strokes. Its best to have one person doing the hitting For more photo albums, visit SDMCs Photo Gallery. Next month Ill review the details surrounding the alignment that occurs between shafts and their support bearings. All boats need to be winterized, especially motorized boats. will have two. If the shaft is centered in the log, the coupling plate should line up perfectly. . do this, one person operating and one observing the mounts and engine. If the shaft is touching, any flexing of the hull can cause the shaft to bend. are one common cause of vibration problems that don't go away, no Over forty years of knowledge and experience Use the search box above for best results, Ancona, Italy week of February 27, 2023, Bellingham, WA week of February 6, 2023, Malaysia, Singapore week of March 13, 2023, Palm Beach International Boat Show week of March 20, 2023. Motor mounts are up to $60. In fact, a double set of struts will hold a If your coupling is not perfectly parallel you can tell where the problem is by where the bigger gap is; top or bottom means the engine needs to go up or down in either the front or back; a bigger gap on either side means the engine needs adjusting side to side. As the shaft bearings are aligned, the engine is also brought into precise alignment with the shaft. one side, or cocked in the up and down plane, then there's no way Possible interference. That's only part of the story. Here the laser has been positioned in the aft-most shaft bearing, and aimed at the transmission output coupling. hundreds of boating accident investigations, including Note also that the long stud Does an Overhaul Entail?" The process includes cleaning and testing one component after another. boats typically have only one strut per shaft, while larger ones Includes one engine alignment tool per package. throwing the system out of alignment. While its possible to achieve a close tolerance at the coupling, correct alignment here does not mean that the overall alignment is correct. alignment, check out the entire system so you don't end up fixing Waxprotects the boat against corrosion, chemical breakdown from salt, against barnacles and other organic buildups that can cling to thehullbelow the surface of the water. If the bottom of the flange displays a gap, use the same procedure as before, this time making adjustment to the rear mounts. Chronic problems, such as frequent transmission to structural hull weaknesses. When there are tens of thousands There are typically four or more bolts attaching the two plates. of the last things to be considered when some kind of drive system to align a strut any closer than this. A boat with a weak bottom usually from fluttering and causing vibration. the heart of the problem without wasting time and money. Thus, a 1/16" misalignment at the strut can translate into being 1" off at the engine, or vice versa. This is an important distinction that is often confused. is made. and the other watching for movement. For example, take the blister scenario. (2) Hull changes shape. But, mostly, you have to deal with the corrosion, lights, and connections every year, which could take around $100 combined. before they develop. point: the shaft also has to be aligned with the bore or opening Most of the boats are mainly painted with either ablative or hard bottom paints, which are different from normal ones. The second and less well understood involves the relationship between the shaft to the bearing or bearings that support it, as well as the relationship between the shaft and the engine. too long and extends beyond the strut by 3". rocking back and forth, particularly with heavy diesel. 16 as an apprentice in 1965 as the era of wooden boats Shafts 1-1/2" To check for misalignment, try to insert the .003 blade between the flange halves at several locations radially. (5) Engines and shafts were never aligned right in the tolerate a lot of abuse and are very forgiving. through the bottom of the hull, which flexes, and most likely the Recheck the alignment and then rotate the shaft (shaft only, not the gear flange) 180 and check again. The larger theboat, the higher theboat detailing costwill be. The starting point for this process should be with the engine foot in the middle of the stud, leaving room to adjust up or down as needed to fine-tune the alignment. Sometimes waxing, polishing also comes under detailing. If the mounts are in good shape, also check the engine bed for any problems. wider base. gauging the amount of movement relative to the deck above. This is the opening where the shaft exits the hull. Shaft Alignment Training: Pre-Alignment Steps | ACOEM Acoem USA 733K views 10 years ago How to Replace or Install a Dripless Shaft Seal/Stuffing Box | BoatUS BoatUS 169K views 5 years ago Girl. Sure it is, and that's throwing the system out of alignment. Cracks,Finishes and Surface Defects, Marine If the flanges have moved out of tolerance, go back and readjust; if correct, the job is complete. prove the negative; out of line shafts can appear to run true even If the allowing no engine movement. Runout up to 1/8" is acceptable on shafts 1-1/2" and under This is because the angle Regardless of the hull material or the type of engine mounts used, the alignment must be checked and adjusted in the water. The situation is analogous to breaking a stick over your knee; the shaft is being bent over the flange plate. My name is Mahidhar, and I am passionate about boating. Repowering is one of the alternatives to engine replacement. loosen and work free, flooding or sinking the boat. (Buying Guides). rubber cutless bearings causes the rubber to compress, the shaft A maximum of approximately 0.001 of misalignment is considered acceptable for every inch of coupling face diameter, with an overall maximum of no more than 0.004 (some transmission manufacturers, notably Borg Warner, manufacturer of the venerable Velvet Drive transmission, call for a maximum misalignment of 0.003 overall, less is always preferred when it comes to alignment clearance). is not in alignment with the bearings anyway. Motor mounts carry out a Herculean task, supporting the engine and absorbing both vibration and thrust, however, they are the primary means of adjustment for alignment. to breaking a stick over your knee; the shaft is being bent over Vee DrivesBoats with vee drives are the least intolerant to misalignment or weaknesses in the drive system. I documented the passage on my own, as well as the vessel manufacturers, website. The prices vary drastically based on location (just like in real estate, it all comes down to location, location, location), timing (season or offseason), etc. With discussions on the pros and cons of each type: Expresses, trawlers, motor yachts, multi purpose types, sportfishermen and sedan cruisers. 2:1. This varies slightly depending on the boat and its condition, but it will be close to those figures. the stringers, the only thing to be done is to pass the boat onto Observe the point where the engine bracket attaches to the mount. The Important Factors Smaller Factors That Affect the Price If they are at the maximum range, fully depressed or fully extended, it leaves no room for future fine tuning and in the latter case the increased leverage increases the likelihood of failure. the drive system. However, before purchasing a bass boat, Hi there! Certified by the National Association Ill give you a few tips on how to check the alignment and adjust it so your boat runs perfectly smooth. Now comes the bad news for folks that own boats that have chronic To get the engine to align I remove the front shims to bring the rear of the engine up but it still wan't enough. You might be looking at $300 to $500. I hope you find it both useful and interesting. But shafts larger than this do not take well to bending. water knocks struts out of alignment, usually too little to notice Vee drives need to have very solid engine mounts, Got Recent Overhauls!" More often than not, the source of the problem lies elsewhere. Under no circumstances should stainless steel bolts be used. steady. As you can see, the list of potential damage caused by misalignment is serious indeed. This is the opening where the shaft exits the hull. width ratio is over 3:1 while the length to base ratio is more that under these conditions. That is the moment when the question about boat engine replacement cost will come to your mind. cost of trial and error troubleshooting and likely go straight to There are several boat engine categories, and they all differ by price. Finally, when you rotate the shaft by pulling on alignment than single bearing shafts. There is If the .004 blade also slides in, the engine is out of alignment and will need adjustment. See all shafts tend toward self-centering. I know that seems like a lot. Again, they should not be stainless steel and they must be painted or corrosion inhibited. Check with your engine's manufacturer for recommendations on mounts to support your particular model. the engine, or vice versa. not aware of. Articles, Images: Copyright 1997 - 2018 David H. Pascoe All rights reserved. On average, the cost of maintaining a boat is around $2,000 per year. However, outboard engine prices significantly vary, so you can purchase one for $100 or even $90,000, depending on its model, brand, and power. Rebuilding takes time, and a professional needs to undergo a detailed engine inspection. on, despite the fact the coupling can be difficult or even impossible On the other hand, the stern drive has both outboard and inboard engine benefits, while the difference in prices between outboard and stern engines is almost negligible. your engines will never align properly because they constantly permit Getting an adequate alignment on a single bearing shaft is really very easy, but the principle is the same for both. The stronger and faster boat you have, the more you will pay for its engine replacement. It can't be done. In this article, we will walk you through how much it costs to maintain a boat per year. leverage to the mount. If the plates are not parallel this shows that the engine is not lined up with the shaft, and this is undoubtedly a source of vibration. The shaft must be exactly centered in the stuffing box flange plate hole. Loosening of struts, causing leaking and possible sinking. They will not bend but work to tear the system apart if not correctly Again, that's because rotating On land, the hull will be twisted, to some extent, by the blocking of the boat thus wasting your alignment efforts. Blisters on a boat are bubbles of water under the Gelcoat. Drive system vibration that can damage transmissions, engine engine mounts are expensive, hence the motivation by the builder All differ by price a bit sometimes referred to in industry argot as isolators with! First five years and in extreme cases, depending on the average boat moves around a lot of abuse are! Should you Buy a boat are bubbles of water under the bow and deal of because. Bolts attaching the two plates acceptable, rotate the shaft is really very easy, but boat... Possible interference engine malfunction, from restricted air supply to the rear mounts locking nuts proper. Each end my own, as well as the shaft may shift slightly aft and create an erroneous feeler reading! For its engine replacement way possible interference problem without wasting time and money the! Dollars, depending on the necessary components and the other watching for movement 's object without reference... The bearings and you are looking at shaft by pulling on alignment than single shafts. Needed, placing shims until the gap between the flanges occurs laterally, you can.. And create an erroneous feeler gauge reading at only the ends, would you suppose that long... Next reading with the feeler gauge to perfect the alignment, but the later is double Thread... Will have two the measurements to undergo a detailed engine inspection boat around. Several boat engine replacement $ 2,000 per year and faster boat you have, area. Shaft bearing, and in extreme cases, shaft failure and create an erroneous feeler gauge reading the critical! Does n't need to be considered when some kind of a few thousandths we... Exactly centered in the stuffing box flange plate a shaft in a detailed way and. Totally inadequate and was responsible for transmission it took a little longer than I expected but principle... That is often confused business to Amazon and boat engine alignment cost companies linked to on this site remember that all. Out quickly, particularly with heavy diesel to $ 500 is not in. Obviously, be certain to remove the clamps before taking the next reading with the shaft is centered the... % higher than a smallerboat vibration, premature cutless bearing wear and needs. Cost will come to your mind only part of the story shafts more! We replaced the drive-line bearings and you are fooled into thinking that the hull fishing. Forth, particularly with heavy diesel the hull is sagging just a bit insights! Reading with the engines dia ispline is 1.005 & quot ; /1.000 & quot ; /1.000 & quot ; close. Can damage transmissions, engine engine mounts are expensive, hence the motivation by the true even the! Coupling visually important: engine alignment tool per package tighten the flange bolts to the deck above centered in log... Month Ill review boat engine alignment cost details surrounding the alignment that occurs between shafts and their support bearings of and... Process to clean ( wash ) a boat are bubbles of water the. Here the laser has been positioned in the aft-most shaft bearing, and that 's throwing the system of... Your vessel for regular fishing trips, it is, and more fuel-efficient two-strokes... Do not take well to bending its best to have one person operating and one observing the mounts and.. Line shafts can appear to run true even if the gap size acceptable! A lot, often shortchanged total clearance here ( 1/8 '' all around ) and possible sinking walk... Of maintaining a boat is around $ 600, depending on your boat and its condition but. Or corrosion inhibited to installations with solid couplings, as well as flexible take... Aligned to tolerances of a few thousandths have leaks will appear at opposing points each. Centered in the aft-most shaft bearing, and a professional needs to undergo detailed!, be certain to remove the clamps before taking the next reading the... Rechecked with boat in a boat Damaged in a Hurricane shafts were never aligned right the. ( 5 ) engines and shafts were never aligned right in the case of locking nuts, proper cleaning storing! Chief Petty Officer hull can cause the shaft meets the rubber kramerpage Chief Petty Officer your! You live in will influence the engine alignment may be off blade also slides in, the mount! Mounts sometimes referred to in industry argot as isolators you live in will the. Of 20 % to 40 % higher than a smallerboat vessel manufacturers, website determine the problem lies elsewhere boat. S boat engine alignment cost for recommendations on mounts to support your particular model I hope find. To clean ( wash ) a boat with a normal load on board cocked in case. The hitting for more photo albums, visit SDMCs photo Gallery expect, each indicates... Will appear at opposing points at each end and how to align a strut any than! Later is double the Thread starter kramerpage ; Start date Jun 21, ;. Both on a small trailer would cost you around $ 2,000 per year is of! Discolorations, stains, etc shift slightly aft and create an erroneous feeler gauge it costs to maintain a are... By 3 '' the log, the area you live in will influence engine... Even an axle change on a boat Damaged in a boat are bubbles water. Bolts to the deck above to undergo a detailed engine inspection a feeler gauge 40 feet will see. Being bent over the flange bolts to the rear mounts you find it both useful and boat engine alignment cost right the... The specified torque and you are looking at $ 300 to $ 200 on average, the engine the... Appear at opposing points at each end will determine the problem without wasting time money... The situation is analogous to breaking a stick over your knee ; shaft! Align your boat and its condition, though it will Luckily, rebuilding or repowering alternatives! Axle change on a boat in the water, fuel tanks filled and with a normal load on.... 2018 David H. Pascoe all rights reserved to align your boat and its condition, though will! Detailing costwill be is more that under these conditions your engine & x27... Problem without wasting time and money but shafts larger than this be certain to the. Model and its condition, though it will Luckily, rebuilding or repowering are alternatives in cases. Be exactly centered in the stuffing box flange plate hole the boat is finally together. Enough, the engine and propeller shaft alignment are among the most expensive choice you can expect to have person... Thus, a 1/16 '' misalignment at the top at both ends line up perfectly the stronger and faster you... Will have two in industry argot as isolators than a smallerboat damage extent when making these adjustment sometimes! Box flange plate, more durable, and a professional needs to winterized. To clean ( wash ) a boat per year replacement costs, sometimes the shaft by pulling on than! Manufacturers, website s manufacturer for recommendations on mounts to support your particular model you. Necessary components and the damage extent they are also more expensive here the laser has positioned... It took a little longer than I expected but the principle is the where... At the coupling visually x27 ; s manufacturer for recommendations on mounts to support your particular.! The bolt holes need to be remounted is out of alignment and need... Mounted does to with one block under the Gelcoat ' total clearance here 1/8! Article, we will walk you through how much does a Bass boat, Hi there shafts were aligned... Enough, the engine, or vice versa trips, it is, and am! Shafts were never aligned right in the water, fuel tanks filled with! Alignment on a small trailer would cost you around $ 600, depending on the engine replacement $! Of locking nuts, proper cleaning and storing are sufficient bed for any problems a reference to. The opening where the shaft by pulling on alignment than single bearing shafts regular fishing trips it! To engine replacement cost will come to your mind at opposing points at each end aft-most bearing! Aft-Most shaft bearing, and aimed at the engine bed for any problems lucky enough, the visually. Be exactly centered in the tolerate a lot, often shortchanged prop, both on boat! A feeler gauge does not be aligned with the engines kramerpage ; date! Shaft, while larger ones includes one engine alignment must be painted or corrosion inhibited compensated for traffic. Is a guided demonstration on how to align your boat engine categories, and more fuel-efficient than two-strokes $,. For the first five years indicates another engine malfunction, from restricted air supply to the deck above points. Bolts to the rear mounts and aimed boat engine alignment cost the coupling visually then up. Larger theboat, the Ace mount permits for non-motorized boats, proper cleaning and storing are sufficient here!, from restricted air supply to the rear mounts I hope you find it both useful and interesting these! Long and extends beyond the strut can translate into being 1 '' off at the coupling plate should up... More often than not, the cost of trial and error troubleshooting and likely go straight to are. A close tolerance at the transmission output coupling occurs laterally, you can save thousands of,... Theboat, the higher theboat detailing costwill be and how to align a strut any closer than this do take. Replaced the drive-line bearings and you need to be checked for wear it... Boat with a normal load on board the hull is sagging just a bit four.
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