Cracked lower unit repair

How to video for pressure testing upperlower units and make your own. The repair lasted the 8 years i had the boat and im sure well past after i sold it. I decided to fill in the holes and repaint the lower unit. I rebuilt the carburetor and the recoil starter spring and upper unit. How to fix a hairline crack in a fiberglass tub home guides. And you will sometimes see the leg mentioned, which could stand for the outer exhaust housing even to include the lower unit if it is integral. A couple of boats have had debris sucked into the prop and cracked the anticavitation platethe horizontal plate right above the prop. Winterizing boat engines and drives the boaters guide to. Outboard motors repairing lower unit in coral springs, fl. Some can do the repair on the boat but most want you to remove the drive. Swapping a lower unit would be easy and relatively cheap if you can find a working lu at reasonable cost.

The function of your lower unit is to convert the power from your engine to rotate the prop shaft and move your propeller. Might even consider drilling the small stops if you use that devcon or jb as well. I would just drain the lower unit then position the motor so the crack is up and no oil could drain into it may need to take the motor off. Find 58 listings related to outboard motors repairing lower unit in coral springs on. Cover any cracks wider than 14 inch with a layer of fiberglass mesh that spans each side of the crack by at least a half inch. Double pane window repair replacement sealed glass unit. A shady repair technician may try to trick you into believing the heat exchanger in your furnace is cracked and leaking deadly amounts of carbon monoxide into your home. Skeg repair we will inspect the damage to your skeg and determine the type of repair needed.

Every lower unit from jasper marine receives where applicable to unit design all new bearings, gaskets, seals, water pump housing, and water pump impeller to assure the performance and reliability of your remanufactured unit. Nov 01, 20 slide the lower unit carefully into place. If the moderators see fit, i suggest they take my previous multiposting pompous verbage about my selfrepair of this lower unit gear case and delete the thread altogether. If after you remove the above shifting rod coupler bolt and you can not get the driveshaft to come loose from the crankshaft splines up inside the housing and slide down and off, your only way to separate the exhaust housing from the lower unit is to drive some kind of nonmarring wedges in between the two, forcing them apart. A local mechanic told me that sometimes these cracks will continue until a u shaped piece of metal falls off. If the splines of the new unit dont seem to be matching up with the hidden gear of the upper unit, slip on a prop and gently spin it counterclockwise until it matches. I am talking finger sized holes blown out of the gearcase housing. We stock remanufactured and new gearcases for yamaha 75 to 300 horsepower, 1985 to 2011. If you follow this prescription for removing the lower unit of a suzuki. Amateurs should not work do major repairs on such important parts of the propulsion system. Not to mention that when running your motor into hazards, that you can bend the propshaft as well. Avoid these 4 common furnace repair scams oconomowoc boiler. Good used spare parts are hard to find, or it is possible to repair this. Before welding, the skeg and lower unit will be match keyed for extra strength.

Position the trim tab, and screw the upper bolt into place. I changed my water pump this morning and noticed that the lower unit is cracked. The propshaft consists of many bearings and seals that protect the lower unit gears of the motor. Proper lubrication is vital in protecting the gears inside your unit. This lower unit cracked over winter when trapped water froze and expanded. Call for application assistance if needed, and have your engine serial number ready when calling. In addition, there was the usual paint missing from the tip of the skeg, the result of abrasion with sandy bottoms over the years. As you can see from the lh photo below, the housing is cracked and even. If you have a torque wrench, all the bolts on this unit should be tightened to 29 poundfeet.

I would use neither if it was to seal the lower unit. Help with stripped lower unit threads ohio game fishing. I told the customer that since the lower unit casting was brand new and still failed in service, any repair, no matter how well its done, wont. To me, it also looks like there are some pieces broken from the prop. A skeg repair is done to the lower unit gear case at the very bottom of gear case housing. All rebuilt lower units include a full 1 year warranty. The words lower unit, gearcase and gear housing can be used. A crack in the exhaust bellows wont sink your boat, but it will fill your bilge and. Early 80s chrysler force gearcase lower unit 75 85 90 100 105 115 hp. Any ideas on repairing a crack in a lower unit there is a marine epoxy that i have seen used to repair a grenade explosion inside the oil filled gearcase parts on lower units. The lower unit converts the power of your outboards engine to rotation of the prop shaft, which moves the propeller, which moves your boat. Cant remember the name of it but it seems as strong as the casting itself.

Hi, the best fix is to replace the lower gearcase, but yours can be repaired, a propeller or machine repair shop can weld a new skeg on the gearcase. Most homeowners are able to perform this kind of window repair on their own without issues. If a portion of the skeg is broken or completely removed a new skeg can be welded back on. On an outboard, the oil drain usually is on the rear or side of the engines lower cowling, around the bottom part of the engine. Cracked lower unit outdoor gear forum indepth outdoors. Three specialty products are needed to make this repair. Omc parts exploded view drawings outdrive repair help video. If you follow this prescription for removing the lower unit of a suzuki outboard, youll find yourself frustrated unless you remove the bolt hidden beneath the zinc.

Then you avoid the labor of having to overhaul all the moving parts from the old cracked case into the new. The engine has just been rebuilt and purrs like a kitten, but there is some damage to the lower unit that i. How to repair a plastic bathtub that is cracked home. Remanufactured lower unit availability and pricing. The words lower unit, gearcase and gear housing can be used interchangeably in the marine industry. Manual for repair and retrofit of fatigue cracks in steel. There are alignment pins on the new unit, to make sure it seats properly, so make sure they line up photo 4. This protects the internals bearings, seals, and rotating surfaces with a thin. I took it back where the operator of the business promptly checked it over and told me it was fine. I was on a 2 week fishing trip to montana so a little jb weld got me through the trip.

Then i would let it sit that way for a day or so, sand off the paint around the crack and scuff up good with 150 grit sand paper and stop drill each end of the crack. The result was a cracked lower unit case the water that was in the lower unit froze and broke the case. The process can be messy, but it is straightforward in nature. I recently had my lower unit rebuilt at a local reputable shop in louisville.

We provide the highest quality of outboard head repair on the market. How to remove a suzuki outboard lower unit gone outdoors. If needed we will build up with weld or replace the complete skeg. Cut the mesh to fit with a utility knife and place it over the crack. It was time to finally do a little repair work on the old gal. The welding assembly is then beveled and gapped for a 100% weld penetration. If the moderators see fit, i suggest they take my previous multiposting pompous verbage about my self repair of this lower unit gear case and delete the thread altogether. However this is a very costly process and time consuming and must be done by a professional. Is there any way to fix a crack on the lower unit of an.

The fuel pump was leaking jb weld closed it up until i could replace with a new unit. It is my buddys lower unit on a boat he just picked up. Your lower unit will thank youskegshield gator guards. Or, should i take the lower unit off, remove the guts and have it welded. Typical fatigue crack across a repaired flange butt weld in a welded igirder test. How to repair a plastic bathtub that is cracked home guides. Lower units, gear cases, outdrives choose new or rebuilt. Hope you get it fixed soon and dont miss the spring bite thats just around the corner. Repair options quickly approach the price of a rebuilt lower unit, since it has to be disassembled, welded, then machined to accept the bearing carrier back in place. Marinetex to fix small crack in lower unit thread starter reelclose. If the drain is not visible outside the lower cowling, use a screwdriver to remove the screws holding the cowling in place and take off the cowling. Double pane window repair can be easily done by yourself to save money. I told the customer that since the lower unit casting was brand new and still failed in service, any repair, no matter how well its done, wont bring it back to factory strength, but i would love to hear from any of you who have experience with this type of repair.

I dropped the lower unit and took it to a pro to get it done. All remanufactured lower units for sale include a full 1 year warranty. Late today, on the water, in 15 to 20 kts, my lower unit popped loose. The word foot is also slang for the lower unit used mostly in the south. The skeg of an outboard or sterndrive gear case provides much directional stability and steering ease. I then examined the lower bolt and noticed that the threads were stripped out pretty bad. Whether you want to ensure your boats engine block is sound after a long, hard winter or youre purchasing a used boat engine, you should check for a cracked engine block. All gears are replaced with 100% oem components for the best performance, quality and life of your unit. I then tested midfebruary, where i learned there was still something wrong. Dec 19, 2018 cover any cracks wider than 14 inch with a layer of fiberglass mesh that spans each side of the crack by at least a half inch.

Required hole diameter to arrest crack growth in imperial units. The steel bolt was lined with the aluminum threads of the case assembly. I have seen this used to repair cylinders in some seriously dire situations, it worked well and saved trips. For best results, run the engine for a few minutes to lower the oils viscosity and. Skeg repair lower unit skeg repair lower unit repair.

How to check a boat motor to see if the block is cracked. Mercury outboard replacement lower units wholesale marine. Also repaired a small crack at the same time by grinding the crack away to open a smaller hole that i filled. If it cracks after the warranty is up, usually at least 20 years, consider replacing the entire furnace. Located in the outboard heads are the heads of the cylinders that produce motion in the engine by burning fuel.

Some can repair without tearing the drive down but most want just the case. Fishing line can damage the seals that hold the gear oil in the sterndrive housing. Drill stops on either end of the crack, grind out a groove and lay a bead down. Excessive vibration may cause the crack in the lower unit to propagate at a faster pace. Lower unit crack repair moderated discussion areas. Install the trim tab which we recycled from the old unit by first inserting the lower bolt and tightening it. Can i drill and stop the crack and then have it welded with a heliarc welder sp. The lower unit can tilt, which makes ujoints vital to allow for the movement. Whether caused by running aground or due to some landbound calamity, a broken or damaged skeg adversely affects handling. Remove the old sealed glass window portion to start, youll want to carefully remove the pvc beads to remove the failed or broken sealed glass unit of your window. Any ideas on repairing a crack in a lower unit page. Avoid these 4 common furnace repair scams oconomowoc.

Depends on how big the crack is, if the metal around the crack has become a hole or if the crack has split into more than one crack i would replace the lower unit, if its a single crack that hasnt become a hole find someone who knows how to. Dec 10, 2018 a basic fiberglass repair kit allows you to fix these cracks before they can grow into larger problems down the line. The crack allows the release of dangerous carbon monoxide into the air. With the most thorough process within the industry of remanufactured head repairs, we guarantee to deliver the best possible job.

Dropping the lower unit on a suzuki outboard looks straightforward. Its a costly repair that would have you checking a boat payment calculator to see if. The care and feeding of sterndrives seaworthy magazine boatus. Can this be welded or will have to purchase another lu. Old boat were outdrives have cracked oil seals were the gearcase is. Apply household cleaner to a rag or sponge and use it to clean area around the. You might want to replace or repair the prop to reduce any unnecessary vibration. They will push you hard to either get it fixed immediately or replace the unit entirely on the spot.