Use a circular saw with a carbide blade to cut the aluminum so that you end up with a rectangle that will cover the hole in the crankcase. So, with the bike on its side we tore it far enough apart to have good access to clean everything needed to try and get a good seal with the epoxy. From here, you assemble, sand, stain and finish your project as you normally would. If you need to filler a larger area, epoxy offers great structure and durability relative to many commercial wood filler products. Jb weld extremeheat is the perfect repair solution. Crankcase repair fix my hog fix my hog harley davidson. Soak a shop towel or rag in denatured alcohol and rub the epoxy.
Repairing your cracked engine block bluedevil products. Because of the high thermal conductivity and low melting point, distortion and burnthrough are common when welding aluminum cases. Genuine james foamet crankcase saver kit 11125xmsf harley. Epoxy helps you to repair concrete or anchor products. If a engine block develops a crack, jb weld can be used to seal up the crack and prevent the crack from sucking in air or leaking coolant. Learn how to identify and repair your cracked engine block quickly and permanently. Motorcycle fairing repair with plastifix polyvance. Fix laptop cracked case you need to clean all the areas nearby the location where the laptop notebook is cracked along with the total laptop cleaning. Discussion in the hokey ass message board started by ryleej3, oct 19, 20. Leave it to dry thoroughly for however long the recommended time states on the. Apply degreaser to both the inside and outside of the crankcase. I concluded that its cheaper to go find another block from the same year and rebuild vs. If you have an internal crack, youll likely have symptoms similar to a blown head gasket. How to fix a cracked engine block on a kohler courage with taryl.
Repair guides and support for motorcycles manufactured by harley davidson. Apply the remaining mixed epoxy to the one to twoinch area around the crack. The hole that is stripped is a 51618 nc on the side of the kicker on a four speed tranny that usually have a studs. Is it normal for the rod bearing cap to run that close to the crankcase wall. Since the introduction of jb weld in 1968, consumers have thought and heard of many uses for this doitall epoxy, ranging from plugging radiator leaks to repairing cracked intake manifolds. Working with wood as a medium is mostly a wonderful experience, but invariably you have to deal with some imperfections in the wood such as knots, cracks, dings, etc.
Jb weld is a type of epoxy that seals and hardens to close cracks and holes. Harleydavidson is headquartered in milwaukee, wisconsin, and has over 6000 employees. To repair cracked cases correctly, the case halves need to be separated, which requires the top end of the motor to be removed. Epoxy adheres accurately to a rough surface as opposed to a smooth one and as such, the area should be sanded down properly at least 2 inches from the site of the crack. I have a crack in the primary case on my 1971harley davidson ironhead spotter and would like to know the best way to go about fixing the crack. Its a small hole that weeps oil,just big enough to get a bit of your fingernail into,but, annoyingly, to fix it properly the entire engine may need to be stripped to its component parts. I stripped the aluminum crank case threads that my oil drain. Next you need to paste the epoxy putty adhesive thoroughly over the surface and then using a blade slowly peel off over the external body to make sure that there is no adhesive left outside and.
Use your black felt tip marker if your fill job still shows some white specs in the epoxy. Having engine oil blow out of the crankcase breather onto your rear tire while riding, will make for a very slippery situation. How to fill knot holes and cracks with black epoxy. Heres a great way to fix the issue using loctites epoxy mixer cups. I havent tried any of the expanding bolts to fix that problem. How to repair a cracked crankcase cover on your dirt. It seems something has hit and pierced the bottom of the crankcase on my monster,it had puzzled me for a bit as initially i thought something had punched through from the inside due to the shape of the hole. Leave the jb weld on the cracked area over night to ensure it will be hardened. A highly specialized product to repair aluminum cracks, holes, gouges in heady duty commercial and industrial applications. Once you get the cast to the proper working temperature, the aluminum filler rod flows in wonderfully. Sep 11, 2009 fix laptop cracked case you need to clean all the areas nearby the location where the laptop notebook is cracked along with the total laptop cleaning. As far as we could tell, nothing internal was damaged or touching. I can probably pick up a used efi for a grand or so more and part this one out. Repair a stripped thread in a harley transmission case.
Repair cracked cases text and pictures by mark trotta. Would you use jb weld to patch your crankcase cover. Be sure to press the epoxy into the crack and around the area of the crack with the scraper. Find crankcase breather harley from a vast selection of motorcycle parts. Turns out its a factory plug not inteneded to be removed by consumers. A sprayable sealer that forms a durable rubber barrier that stop leaks in minutes. Genuine james foamet crankcase saver kit 11125xmsf. This nonrusting formulation is excellent for repairs in hvac pipes, valves, tanks, radiators, water jackets. My 1993 fxsts has had the raised lip on the left side case ground off. This mean that your repair will last even under extreme heat conditions. I wiped down the area and filled both cracks with jb weld.
We have specialists who can repair that cracks like new. Free standard shipping is limited to locations within the continental united states and alaska. And this time take someone who knows a bit along with you. Is there anyway to fix it short of replacing the case. This comes as a thick liquid you pour on and spread with a cloth. I have jb welded a stator cover side case together before because the only thing that part of the case does it seal the flywheel and stator cover away from moisture. Fixing a cracked motorcycle engine case ts185 youtube. Use an epoxy compound suitable for engine block repair. You could probably get the crack nice and clean with brake cleaner the one with a pipe on the end. In this video, i repaired my 1977 ts185 engine case trust me, i way rather would have soldered or welded this case back together, but it just couldnt happen so jb weld was the next best thing. Use a clean cloth or paper towel and wipe in one direction to avoid recontaminating the surface.
Ultra fine cracked basement walls, ultra fine cracks pin holes, repair of leaking snapties, gravity feed, any cracked concrete item including concrete statues etc included components. Using epoxy for wood cracks woodworkers guild of america. Aluminum engine cases can be arc welded, mig welded, or tig welded. Example number 1 your exhaust manifold has developed a stress crack near a bolt. The strong formula can be used on dry or wet surfaces and doesnt need to be reapplied thanks to its nonshrinking formula. The previous owner has stated that they tried the harley crankcase repair kit. The wicking action seals hardtoreach leaks without the need for disassembling or removing parts. Unfollow crankcase breather harley to stop getting updates on your ebay feed. I removed it then must have over tightened it when putting it back in and cracked the engine case. Crankcase hole in my 1997 200 evinrude in pricing a used crankcase and rebuild kit, it probably wont be worth rebuilding. Learning how to repair wood cracks and other imperfections can involve a bit of trial and error, and ultimately it is good to land on a technique or two that can help you make your projects look their best. Pc products 72561 pcconcrete twopart epoxy adhesive paste for anchoring and crack repair, 8. Since the manufactures moved away from the old narrowdeck crankcase bulletproof designs to a lighter and more efficient crankcase designs prone to nasty looking smiley cracks.
We decide some two part epoxy would get us back on the road. Dec 01, 2012 my 1993 fxsts has had the raised lip on the left side case ground off. Quick setting epoxy can be found at most home centers and hardware stores, and it is a relatively low cost product. Simpson strong tie etipac10kt crackpac injection epoxy. Rough it up with a grinder and gouge out the crack a little. Jb weld is a temporary solution to a serious problem if the leak crack hole is located in the transmission case or crankcase. Engine block repair tricks of the trade import tuner. Sell it part by part on ebay, and look for something else. How to seal a cracked block with jb weld it still runs. In this thread i want to show you at home how to repair a stripped thread in a harley transmission case or in some other harley part. What jb weld extremeheat can fix napa know how blog. I stripped the aluminum crank case threads that my oil drain plug screws into.
New listing harley davidson evo touring softail dyna motor engine right crankcase crank case. Clean the area thoroughly with acetone or brake cleaner. I stripped the aluminum crank case threads that my oil. Contrary to what almost everyone is telling you, thats not an easy fix.
Sep 05, 2014 best epoxy strength test, jb weld, loctite. Find the genuine james foamet crankcase saver kit 11125xmsf at dennis kirk. Brake cleaner jb weld original cold weld epoxy parts used. Crankcase repair fix my hog harley davidson repair videos. With the stitches in place, apply the epoxy into the crack as far as you can put it and then fill the crack completely. Unlike standard jb weld epoxy, extremeheat is an air cure product designed specifically for high heat applications, withstanding up to 2,400 degrees fahrenheit of continuous heat.
The product includes 2 mixing nozzles and can be dispensed with a standard caulk gun. My harley dealer says they cant weld it and suggested a swap out with a remanufactured engine. Converting the harley davidson model 32e generator 6volt 3brush to a 2brush, 12volt. Use a degreaser and a wire brush to remove grease and dirt from the crankcase. Bob also shows us how to fill in an area with the same epoxy. Scrub all surfaces you have applied the degreaser to.
Tig welding harley davidson aluminum transmission case we tig welded an aluminum harley davidson transmission that had broken studs. Apr 03, 2009 jb weld or a similar epoxy will work well for that repair. Use a circular saw with a carbide blade to cut the aluminum so that you end up with a rectangle that will cover the hole in the crankcase and extend at least 1 inch beyond the hole on all sides. The first step in figuring out how to fix a cracked engine block is identifying where the craci is. Concrete epoxy repair kit for ultra fine cracks in. Now, an expert might be able to alloy weld a repair. Most epoxy products will cure without any measurable shrinkage. The original workshop manual says to apply a thin layer of shellac to the rims of the crankcase halves when reassembling them. Jb weld extremeheat is not an adhesive like jb weld epoxy, meaning it is not designed to bond two parts together. Motorcycle plastics are often discarded because of small cracks in the fairing. Cover over the surface and smooth the epoxy for a neater join. Jb weld or a similar epoxy will work well for that repair. Jun 25, 2014 if you have cracks in you stone or marble then its not a big problem because we can fix it on your one call.
Repairing a harley davidson motor case i have been doing harley motor repair for almost 50 years. Visbella half hour quick fix diy alloy wheel repair adhesive kit rim surface damage car auto rim dent scratch care. This will show how to use plastifix to repair a crack in a motorcycle fairing. Before the epoxy can be applied, the cracked section needs to be scuffed appropriately using sandpaper. I have a crack in the primary case on my 1971harley. Alumalox epoxy is a high strength 2 part aluminum epoxy putty paste made with reinforced aluminum particles. Loctite epoxy mixer cups and fairing repair fix my hog. See more ideas about stone, marble and concrete floors.
Products have listed some possible causes ofharley wet sumping, that can help you cure this problem, should it occur with your engine. Once its cured file the gasket surface flat again and youre ready for assembly. Due to the thickness of the aluminum, we recommend using oxyacetylene and a size 3 or 4 tip. Btw, most crankcase cracks are acceptable by manufactures. Harley left hand engine case repair harley left hand engine case repair. Can this type of damage be repaired by welding and.
A cracked cast aluminum transmission case is repaired with super alloy 5 and an oxyacetylene torch. To repair cracked cases correctly, the case halves need to be separated, which requires the top end of. How to repair a cast aluminum crankcase it still runs. The crack in this fairing is typical of what you find in a broken motorcycle fairing. They can also be gaswelded by a process called aluminum brazing.