Whatever your choices, the end result needs to fit well, be properly finished and securely attached to the aluminum hull. Transom support plate is made of highquality cast aluminum. In boat repair circles it is a job for a professional yard tear the old transom away and replace it. Examine the outboard s motor board and its connection to the transom. Remember, the cantilevered load of an outboard motor puts significant loads on the middle of the transom. Mercruiser transom manifold diagrams, transom replacement parts, and mercruiser repair manuals. Diy boat repair, updates, and improvements playlist. Remember though, if you cut carefully and save the. Replacing a rotted transom with coosa board boat restoration. Corrosion resistant pretreated steel and solid stainless steel versions available. The effects of the motors weight are magnified when the boat is accelerated under normal operating conditions. An aluminum jon boat with a wood transom that needs replacement means possibilities, such as making the transom taller to accommodate a longshaft outboard.
I have a 20 transom can i install a 25 outboard on this boat. To paint the transom, mask off the area and apply 2 coats of epoxy barrierkote 404414 then sand it thoroughly with 320400 grit sandpaper and then apply two coats of brightside polyurethane or. The outboard is a 2 stroke 40hp tohatsu, which doesnt weigh more than 150 lbs. Since 1968, west marine has grown to over 250 local stores, with knowledgeable associates happy to assist.
Transoms are major structural parts of fiberglass powerboats, especially outboards. How to replace a wood transom on an aluminum jon boat. In the past i have used 3m 5200 on transom holes from screws. The only holes i wont fix are the ones for mounting the engine. Dont lower the outboard motor too much as this will put extra strain on the arm. How to replace a wood transom on an aluminum jon boat gone. You have to insert the bolts from the outboard side of the transom on the bottom holes in that case. Whats the best way to stiffen the transom on my boat. What is the correct height to mount the engine on the transom.
For more boat maintenance tips and tricks, be sure to watch our maintenance tips. Bass pro shops shockabsorbing outboard boat motor transom saver protects your boats motor, transom, and steering components by relieving strain caused by road shock. The fix is to glass on a piece of 14 plywood to the inside of the transom. Adjustment is 27 57 the original, twist lock frame mount transom saver. Im in the same boat you are with patching transducer holes. Jb weld would be simpler and i know that the previous owner patched a good size crack with jb weld and its still holding up after years of hard use.
Transom teak swim platform and ladder transom mount stainless steel. It is not really hard to layout and when used with epoxy, it applies with ease. Stainless marine outboard motor transom brackets please remember we stock parts and accessories for all makes and models of marine engines and boats. There may not be enough room to insert the bolt from the inboard side of the transom due to interference with the splash well. Nuovarade outboard engine protective transom pad, 11. Fiberglassing the deck in the sea ray 220 duration. Actually working with the 5oz kevlar has proven to be a really neat task. Examine the outboards motor board and its connection to the transom. With the type of repair you have done, i would not want to be a passenger in your boat at any time. Good, heavy duty rubber, but i think the uv gets to it immediately. My buddy drilled a hole for my outboard but didnt drill straight, the bolt head wouldnt seat flat. Usually, a problem with the boat transom does mean youre in for either a costly or a laborintensive repair or both. This tutorial will focus specifically on the most common type of transom job. How to plug old screw holes below the waterline in a.
Drill a small hole in a suspect area and see if the wood comes out dry and woodcolored, wet, or like sawdust. I didnt need to replace immediately as it was doing what it needs to do on the transom. I will be upgrading my electronics shortly and going away from the transom mount and installing a thru hull ducer. When rolled up the boat has stowed dimensions of 33 x 111 x 11 and weighs just. Build up the plywood with 2 layers of fiberglass matting on both sides, with a middlelayer of woven roving in between, until it fits within the lip of the old. The stresses that are put on the transom of a boat, especially when pulling a skier or tubing is tremendous. I have a 20 transom can i install a 25 outboard on this. Locate transom platform boat parts on sale below with the biggest choice of transom platform boat parts anywhere online. Youll need a garbage can and at least one or two sheets of plastic to cover the floor under the boat and under your workspace to catch.
This is a 1966 whaler so as you can imagine, there are a plethora of holes that have accumulated over the years. Most use two layers of 34 ply, but a stronger method is three layers of 12. Quick video on removing the cap and wood from a bad transom. Repairing the transom of the boat is a minor boat repair since the transom is the flat area located at the back of the boat. The great forces exerted between the engine and the hull come to a focus at the transom. Jul 26, 2014 remember, the cantilevered load of an outboard motor puts significant loads on the middle of the transom. The effects of the motors weight are magnified when the boat is accelerated under. I finally replaced it on the boat this season december and it has already cracked clear across the top of the transom. Stringer skins rebuilt stringers right before seacast is poured keep checking back more pictures to be added. I need some advise on patching existing screw holes and bigger hole for transducer wire and performing gel work see images i want to do it right and was thinking of using west system. Using 12inch or 34 inch marinegrade plywood, fit the ply to the transom, so that it fits within the lip. Repairing fiberglass powerboat transoms epoxyworks. What is the correct height to mount the engine on the. The boat is rated for a 50 hp so the transom is fairly heavy gauge aluminum.
Fixing a hole in an aluminium boat without welding youtube. Transom support plate transom washer transom toughener distributes outboard engine weight to protect your transom these transom support plates are made of high quality cast aluminum. Sep 14, 2009 using 12inch or 34 inch marinegrade plywood, fit the ply to the transom, so that it fits within the lip. Aluminum boat transom repair step by step tutorial for aluminum. The aluminum thickness of each side, inner and outter, looks to be about 18, maybe 316. As an outboard or stem drive is progressively raised, the propeller will eventually break the surface of the water. The risers on each side can present a problem if the rot has gotten that far. December and it has already cracked clear across the top of the transom.
Outboard motors apply a considerable load to the transom. How to make your own power tilt mechanism for an outboard. Granted, there are more ways to identify a rotten transom. These catalog pages represent just a few of the parts we stock. I was looking for advice on whether i should use a piece of. If the motor board is connected to the transom by means of a jack plate a twopiece metallic assembly that provides onthefly height adjustment of an outboard motor, unscrew or disconnect the upper control linkage or, if it is mechanical, the upper lug bolt. Best sealant for outboard motor mounting bolts moderated. The transom fiberglass repair will consist chiefly of patching in all of the holes with a permanent fix. We will show step by step the entire process using materials and techniques proven over many successful rebuilds.
If the splices are kept out of the middle, the transom repair will be stronger. Aluminum boat transom repair step by step tutorial for. I would say that patching the hole is possible, but. You can read a lot of glass boat repair manuals and never see anything on the selfrepair of transoms. Zodiac transom and transom fittings which were removed by hot air gun. Rot repair in glass boats epoxy products to repair and. The transom of a power boat is the strongest part of the vessel. Enlist a few friends to help you install an outboard bracket. My jon boat was previously owned and the owners outboard bolted thru the double hull transom. The transom must be sufficiently strong when mounting more than an inch above the original transom top. Since we are using a different motor, we chose to fill that hole in too. When youre hopping up and down, thats the amount of force amplified by the deflection.
If your trying to do a boat restoration for any older small aluminum boat, the first thing you should repair is the transom. Sand flush, then grind out a 2 recess to receive the color matched which you will have to do gelcoat topping. Teleflex transom support mount jamestown distributors. My question is how to remove the outboard from the transom to a stand. Knock on the transom, sometimes this works to identify hollow sounding areas, indicating that it may be rotten in that area. West marine pru3 performance rollup inflatable boat west. Removing outboard from transom this old boat lake ontario. The single part hypalon adhesive is used later to prime the wood of the transom prior to final fixing with pvc two part adhesive. It was necessary to smooth the finish using 100grit wet and dry paper on a sheet of laminated glass to achieve the degree of flatness i wanted.
The repair can be easy or difficult depending on the extent to the rot and the construction of the boat. If you dont have experience or enough knowledge of fiberglas, it is best to contact a skilled repairman to ensure that no damage happens to your bracket or your boat. The weightcarrying capacity of the pru3 has almost doubled from prior models and is now best in class at three persons or 992 pounds. Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. Repairing the transom is not that difficult if you have the right tools and equipment. Zodiac dinghy transom repair polymarine paints, adhesives. Erik norrie, ceo of sea hawk, shows the best way to patch holes in a boat hull using sea hawks signature products. Mar 01, 2014 i have a 20 transom can i install a 25 outboard on this boat. Transoms are typically reinforced with knees, usually a couple at the rail and two or three on. The transom is starting to crack where the jack screws tighten down to hold the motor on.
Outboard transoms are pretty much standardized at 1. Marine epoxy which regardless of brand is a thermoplastic bpa, the stuff banned from baby bottles will stick to just about anything including polyester or vinylester the more common resins used in modern fiberglass boats. As this occurrence increases, a blade sweeping across the. Joints out near the sides of the transom will affect strength less than if they are all staggered near the middle.
How to seal your transom when rigging your outboard on your boat with 3m 4200 fast cure. We replace a rotted transom on on a 1989 pursuit 2650 with rigid norot coosa board. To install the transom youre going to want to clear out a big space in your garage as this is a messy and spaceconsuming activity. My two choices are marine jb weld the holds or just have a buddy patch them with the tig welder. Jun 15, 2019 actually working with the 5oz kevlar has proven to be a really neat task. To make any repairs to your boat or transom, you first need. If so, more often than not youll be in for some serious fiberglass cutting. Once the transom is smooth, you can use either a mixture of epoxy and lightweight fairing powder or interlux interfill fairing and surfacing compound. I lost the outboard side when i removed the motor for repair.
Boat transom saver, frame mount, formed tube model. With an io the forces of propulsion are transferred to the stringers and not the transom. Teleflex transom support mount for all inboard and most outboard motor installations includes clamp block, clevis kit and support tube. I would like to reinforce the entire transom to hold the weight and the thrust that it will make. So, while a cored transom may not increase the overall strength, it does mute the amount of deflection and thus, the amplified force put on the transom. Your boat dealer or boat builder should be contacted. This seems like a stupid question, but i agreed to help my brother replace the transom in his aluminum boat. Transom repair 21ft nitro bass boat product used duration. Most of the older outboards have relatively simple centersection access. Filling holes in transom moderated discussion areas.
Drill the holes out to 38, or 12 if the wood is soft around the holes. The bungeetype cord usually comes with the transom saver. West marine pru3 performance rollup inflatable boat. This plate distributes the stress of the motor mounting bolts to protect the transom. Our pru3 inflatable has exceptional weight capacity and quickly rolls up into a compact package. Via fontanelle 22 16012, busalla genova, italy telephone. If you want to use an american express card to place your order, please call us to order. Boat transom and floor rebuild kevlar transom marine. It has to transmit the full power of the engine to the rest of the hull, as well as carry the pounding of the hull back to the engine. An outboard bracket for your boat improves the line of thrust, the center of effort, and floatation. Below is a detailed guideline on how to repair the transom on your boat. Transom replacement cutting the fiberglass and removing the. In this analogy, you are the outboard and the scale is the transom. Using proper sized stainless screws with 3m 5200 sealant put back in the hole and called it good.
In this video i repair a couple of holes in the transom of an aluminium boat using sikaflex, an aluminium patch and some rivets. For example, repairing an outboard on your boat transom can mean removing the transom top, removing any associated fixtures, digging out bad and rotted wood, letting the interior dry, treating the area, and reassembling. The plugs should not be higher than the wood in the transom. Coosa panels are used throughout the marine industry as an. Starting an evinrude 150 outboard for the first time in years duration. Bass pro shops outboard boat motor transom saver bass pro shops. Although looking basic, a transom saver goes a long way in saving you from headaches and huge repair costs. Sierra international 1879987 seastar branded small transom plate for universal applications. I believe this is the case on some boston whaler hulls. Part 1 of a short series on how to replace a rotten transom on an older boat specifically a boston whaler 25. Stainless marine outboard motor transom brackets floatation.