If it does looked clogged, remove the screen if possible. The cooling water system of an outboard is critical to the survival of the powerhead–passages have to be kept clean and smooth by frequent flushing with fresh water. Make dead sure your water pump, thermostat and pressure control valve are functioning correctly before resorting to chemical cleaners. you find any, then buy another one or contact a pro. This is done to clean the various oil and coolant passages and galleries that cannot be … Unscrew the garden hose connector from the fitting on the lower cowling, hook up a hose to the connector, open the spigot and let the clean, fresh water wash the contaminants out of the outboard’s water passages for 10-15 minutes. Flush out your outboard with fresh water every time you use it. But doing this will cause more troubles once you are unable to rinse off the acid because this will corrode the engine block. Go figure I fought this problem for 8 months! By Ed Sherman. which, you should redo this drying process using another dry rag to cleanse any Topic: Water Jacket cleaner: lakeman: posted 07-17-2009 09:29 AM ET (US) I know this is a ridiculous question, but I have ask this learned group. Cleaners come in spray bottles or convenient disposable wipes. The gas/oil mix that two-strokes run on can evaporate during long periods of disuse. Unscrew the garden hose connector from the fitting on the lower cowling, hook up a hose to the connector, open the spigot and let the clean, fresh water wash the contaminants out of the outboard's water passages for 10-15 minutes. On small outboard motors with integral tanks, or portable tanks, drain whatever's inside and take it to a recycling center. Note that the tool is to be used for getting rusted parts off in areas your wire brush can’t reach. I try using Salt Away, Hydrchloric acid (muriatic acid) and white vinegar. Failure to do so can allow corrosion to take hold in your motor’s water passages, compromising your cooling system and shortening the life of your engine. the application of fluid and then disconnect the hose like the exhaust pipes. http://www.yamahaoutboardparts.com/f...g-th19434.html, How to: Cleaning your cooling system with vinegar - The Hull Truth - Boating and Fishing Forum, If this is your first visit, be sure to Clean the cylinder head as best as possible, including any passages and parts that can be reached easily by hand. Flush every passage and jet with carburetor clean. The gasket on the left, flushed with fresh water for a year, was removed during the motor's annual overhaul. the heated water for a long time to have the engine block wiped properly. Even a novice mechanic can take apart a carburetor, clean it, and reassemble it by following step-by-step instructions. Touch up any damaged paint, and coat areas that may rust with Honda Corrosion Inhibitor or equivalent. Arrange the tools you need to clean it: you need to fill-up heated water on a little bucket, then connect your wire cup to drilling tool and ensure it is fully charged. and force them out of the passages in the cooling system. However, the car will not run smoothly if the engine block is dirty or grimy. I could not get them off. Anonymous. Changed water pump, heat sensor, thermostat, And checked poppet valve. the liquid side cleaner on the engine block in the tub. Remember: your outboard is self-draining. Follow these steps to fix the problem, before it leaves you stranded. On a black Merc that looks bad. After Once you have dried the engine with a rag, get your air compressor to dry-up the engine block very well to prevent any dust particles. If it does not, discard and replace with new thermostat. A set of "ear muffs" or "flush muffs" was fitted around the engine's gearcase to cover the water intakes, connected to a garden hose with a good water supply, and the engine was run for five to 10 minutes. Do not dump it on the ground. Carburetor banks hold two carburetor bores that draw from a shared fuel bowl, and each cylinder gets its own carburetor. So I am looking for a piece of equipment that lifts the outboard clear of the water but the outboard remains on the outboard bracket. This outboard engine only had about 700 hours on it when it failed. So you can put your brush inside the heated water and then scrub as much as you can. normal state but immerses the lower unit in fresh, clean tap water. I am hoping to fix the problem without the tear down. Copyright © 2000 - 2021, Outdoor Network LLC. You can leave out any areas with nooks and crannies that may be hard to reach. Heat and salt water combine to leave stubborn deposits in cooling water passages—don’t let them dry in place. I am fighting a overheat alarm problem at 4500 rpm and higher. Remove the cowls and recoil starter if you need to reach the carburetor. It cant idle or stay in gear at a low rpm due to it being gummed. then put it on a good surface. Most people aim to clean their baseboard heaters at least twice a year—once before they turn on the heat for the colder months and again when the weather gets warm. Seems the problem was you did not ask for help with an alarm coming in that you did not know what it was. On small outboard motors with integral tanks, or portable tanks, drain whatever's inside and take it to a recycling center. Step 2. 4hp outboard 2 stroke cleaning blocked telltale water passages. The engine has had little use, 20-30hrs since new, but never been flushed. water passages after use is left there to do its worst, unabated. Knowing how to clean an outboard carburetor can be one of the most important steps in keeping your outboard motor running smoothly and efficiently. 2. Here are the things you will need: You will need to carefully remove your engine block from the vehicle if you intend to begin this cleaning process. An engine block, which is also called cylinder block is a case in vehicles that are constructed with casted irons. Back in the day, flushing an outboard with fresh water was done only one way. You should wear your glove and glasses for protection before starting. Thanks for your help. Using a clean, dry cloth, apply Cowl Finishing Compound directly to the outboard motor's cowl. Place the bag around the outboard, attach the hose, and fill the bag. Examine the engine block for cracking. And because all these, things like oil, dirty, coolant and sludge develop on your engine block and will cause many difficulties on internal components. ALWAYS stay clear of the propeller; NEVER touch anything you’re unsure of After which, get a rag you will be using often to be wiping off your engine block to notice places that need to scrub. Ensure the water level reaches the height of the outboard’s water pump (about 1” above the lower unit separation seam). These head gaskets came out of the same outboard motor. What sort of problem(s) am I looking at here? I have a 1996 4 stroke evinrude 50hp outboard that is carboned up. John Stevenson uses a wallpaper steamer to remove salt blockages from his outboard's cooling passages I own a 4hp Suzuki outboard, of some 15 or so summers. Question- I’ve noticed lately that the cooling system “squirter” from my outboard doesn't seem to be squirting as strongly as I remember. Procedure 2 With your wire brush, clean-up your engine block: it has been observed that most of the rusted parts of the block can be cleaned with a wire brush and the heated water. The cooling water system of an outboard is critical to the survival of the powerhead–passages have to be kept clean and smooth by frequent flushing with fresh water. Soak the cylinder head in warm water to soften up any remaining dirt and particles. ALWAYS give your engine time to cool and dry before you clean it. Please note that before you begin to clean up the engine block, ensure that all needed tool is in place, so you can experience a smoother process. Outboard engine not squirting water the way it used to? I will be flushing my engine sat. I need to unclog this motor and I can use all the help I can get. Let’s see how you can clean an engine block water passages. 160 degrees. I doubt vinegar is strong enough to remove much calcium/mineral/corrosion deposits, but give it a shot....you could strengthen your acid with a dose of Muriatic Acid...when you're done, run some backing soda solution through it to neutralize the acid. These head gaskets came out of the same outboard motor. Is 100k Miles a Jot For a Jeep? But if not, it is ideal to keep spraying it using your rag to help WD-40 reach areas the spraying wouldn’t have reached. Read next: Hydroplaning: All You Need to Know and how to prevent hydroplaning, Cleaning Foggy Headlights: How to Clean oxidized headlights with vinegar, Hydroplaning: All You Need to Know and how to prevent hydroplaning. Cleaning a Chalkboard Occasionally. How Many Miles to Drive After Resetting Check Engine Light for Inspection, How to Rebuild a Transmission 4l60e: Step By Step 4l60e Rebuild Guide On. Once you have dried up the engine’s head, place a neat towel on it to prevent dirt from entering inside. Lubricate controls with a silicone spray lubricant. This page was generated at 1 minute ago. Don't tilt the outboard up One of the great features of an outboard motor is that it’s self-draining, but it’s only self-draining when it’s in a vertical position. Because I still have a pain in the but over heating problem. June 16, 2011 . Using a clean, dry cloth, continue to wipe the cowl removing any dampness. How about running a water/vinegar mix thru it? Steps. I can see through the opening of my thermostat hole a rust colored build up that I can scrape with my fingernail and it comes off. With a reliable thermometer, heat water until thermostat opens. Simply place the bag around the outboard, attach the hose, and fill the bag. Actually, the best is Volvo's(have to go to Volvo marine dealer) is called, This thread was interesting, you might want to have a look at what he used and how he did it. This step by step guidepost on how to clean engine block water passages will show you some of the best ways to clean an engine block without endangering your car engine. What is Considered High Mileage on a Jeep Wrangler? Then turn off the water, disconnect the hose from the connector, screw the garden hose connector back on the fitting, roll up the hose — and the job is finished. This is where the pistons generate the power to propel the car forward. Soda advantages. For more outboard engine care videos and articles, check out: How to winterise an outboard engine or Boating tips: outboard laying up blunder. Before he knew about Salt-Away, Greg Moss, the owner and mechanic of Moss Marine, Channelview, TX, had always flushed his motors with fresh water after every use in salt water. This failure was caused simply by the owner not flushing the outboard engine out after use continually causing the salt to remain in the raw water jackets around the cylinder head and caused corrosion from the jackets to the cylinders. Start … Does not remove metal or damage any plating/surface finish. Thoroughly clean and flush the outboard motor with fresh water after operating in dirty water or salt water. At times, using water alone can leave some residue behind. I did wonder whether to put some building or sharp sand in the water, to really give it a good clean, I guess sand in the sea does the same job. Related Article: Cleaning Foggy Headlights: How to Clean oxidized headlights with vinegar, There are different procedures you will need to take to have your engine block cleaned. Step 3. Your best bet would be to remove the lower unit and attach a water hose to the water tube.Remove the thermostat cover(s).Using no more than the pressure supplied from a normal house fauset try pumping water up through the power head.This may free whe blockage. But first, what on earth is an Engine Block? This engine block accommodates many components and the cylinder including the crankcases, cooling systems, exhaust system and others. A set of "ear muffs" or "flush muffs" was fitted around the engine's gearcase to cover the water intakes, connected to a garden hose with a good water supply, and the engine was run for five to 10 minutes. Dude, just go get the Neutra Salt....just get a quart, mix 2 to 1 water over product, and do like I said, done many times to different customer's engines, from mild to SEVERE problems....works, nuff said already. Worn or damaged water pump/impeller, clogged passages, cracked/kinked hoses, among other things can easily create an overheat condition, which is one of the deadliest conditions a motor can face. it: you need to fill-up heated water on a little bucket, then connect your wire Use WD-40 to have your engine block treated: in case there are options to spray via all areas while in the plastic bag for some time to stop the fumes from spreading, you can choose that. For these reasons, it’s a must that you flush your engine thoroughly with fresh, clean water after every use. check out the. Cleaning Water Passages in an Engine Block – The engine block is the heart of your car. Saltaway is a chemical product for removing internal motor mineral/corrosion deposits, but with any acid-based cleaner, the trick is to reduce deposits without harming the metal parts. to avoid scratching the surface of the metal. Wipe the board a second time using only water; Dry the board completely; Repeat the process if necessary ; Whiteboard Cleaner. Most all outboards use some sort of "Mickey Mouse ears" that you attach to your lower unit water pick up right? Professional cleaning can run upward of $500, but it can be worth it if you have a lot of money invested in your laptop. need to be cautious to prevent banging it and damaging the nozzles. Cleaning outboard water passages - Duration: 13:18. Water pump and t- stat are new, mechanic says cooling passages blocked, he wants to do a rear- down and cleaning. I didn't clean my boat for a while and had some really bad water spots. Before he knew about Salt-Away, Greg Moss, the owner and mechanic of Moss Marine, Channelview, TX, had always flushed his motors with fresh water after every use in salt water. Using a clean, dry cloth, continue to wipe the cowl removing any dampness. Please note that there are individuals who keep using acid to remove rusted particle from engine block quickly. Generally speaking, there are three methods to flush an outboard: using a flush bag, flush muffs or the freshwater flushing attachment built into the outboard. All times are GMT-5. If you splashed a little water into the keyboard, you're probably fine, but if you spilled a large, sugary drink and it's an expensive laptop, consider having a professional break down your laptop and clean inside. For this purpose, the outboard motor 1 is provided with a cooling water passage cleaning device 27, which includes a connection device 29 mounted to a lower cover 5b. Why? With your wire brush, clean-up your engine block: it has been observed that most of the rusted parts of the block can be cleaned with a wire brush and the heated water. Is there a way to clean the carb without taking it apart? Flush the tank with denatured alcohol and completely drain it. Can i just spray WD40 In the cylinder and crank it?? Can i run it on kerosine for a short period to clean it out? Step 3. If this happens with you, then every once in a while, clean the board with the following solutions. 1. If water refuses to spray from the cooling system’s discharge hole at the back of the engine, run a stiff wire into the cooling water discharge tube, to remove items that may clog the hole, a common location for a clog. However, not everyone understands that it’s also a great practice to flush your outboard after freshwater outings. Cleaning Outboard Motors Before Off-Season Storage Can a Bad Alternator Cause Low Oil Pressure & Can a Car Run With a Bad Alternator? Water and White Vinegar. Generally speaking, there are three methods to flush an outboard: using a flush bag, flush muffs or the freshwater flushing attachment built into the outboard. Imagine a set of ball-bearing draw runners mounted vertically in the out board well with the outboard bracket mounted to them, add some spring assistance and we have an outboard lifting device. Even if you operate in fresh or brackish water, flushing is still a good idea to remove mud, algae or other contaminants from your outboard’s water passages. I will post the results when I test it. Remove all rusted parts in every area with your wire cup on the drilling tool: here you will get the opportunity of removing rusted parts from smaller areas. Larsons, yep, that's it. With vinegar and water. Good Luck! Arrange the tools you need to clean The good news is that you can easily clean-up your engine block without it taking most of your day, all you need is to have the correct tools, which I believe that you already have in your box and if you don’t, just don’t worry I show you soon. I would surely appreciate your expertise on do's and don'ts, especially when it comes to which tools and methods that I can use to clean the water passages. Flush the tank with denatured alcohol and completely drain it. You can still make use of spraying washer in case you have. Put your engine block inside a tub. ... do I change the impeller or is the water passage blocked ? Then empty Most boaters know it’s imperative to flush an outboard with freshwater after boating in saltwater or brackish water. water from every area. But if your home gets especially dusty or if you have pets whose fur and dander can get trapped in the heaters, consider cleaning them more frequently. Regularly cleaning the board ensures that your dry erase ink doesn’t sit on the board … Step 2. If there are any issues with water flow, the line may be obstructed. Let the water run for fifteen minutes to rinse all the salt out. Please carefully observe the areas you have drilled because your wire cup has the ability to destroy your wire and paintings. Dip a clean, soft cloth in a bucket of warm water. Do not dump it on the ground. Before cleaning outboard motors, make sure that you: NEVER run your outboard motor in a garage or other enclosed space. If the t-stat is removed does water from the flushing attachment circulate through the block or just the lower unit? Back in the day, flushing an outboard with fresh water was done only one way. Ensure the water level reaches the height of the outboard’s water pump. Most boaters know it’s imperative to flush an outboard with freshwater after boating in saltwater or brackish water. If you never tried it, you may want to try it. ANSWER 0 OneUp ANSWERS: 1. You need to allow it to stay longer to enable it to remove all dirt. The soda cleans them very well, and since it dissolves in water, the ultrasonic cleaner takes care of any soda that can’t be removed with compressed air. The gasket on the left, flushed with fresh water for a year, was removed during the motor's annual overhaul. Mercury offers two-stroke outboard motors with carburetor-type intakes. 13:18. Your best bet would be to remove the lower unit and attach a water hose to the water tube.Remove the thermostat cover(s).Using no more than the pressure supplied from a normal house fauset try pumping water up … Most times it is best to remove the exaust cover plate and if possible the cylinder head Squeeze out as much water as you can from the cloth and wipe the board properly. Flush every passage and jet with carburetor clean. Failure to do so can allow corrosion to take hold in your motor’s water passages, compromising your cooling system and shortening the life of your engine. Put your engine block inside and top-up heated water again submerges it fully. Perhaps even more importantly, flushing removes salt buildup, which can lead to poor cooling as well as corrosion of the engine block and midsection. But today's outboards can be flushed using other, sometimes easier methods, without even starting the engine. You don’t need a ultrasonic cleaner, but that means that you will be manually rinsing the carbs in a bucket of hot water. Remove the carburetor and disassemble it. I am trying to avoid removing the head cover, afraid I will break some bolts. To test the thermostat, remove and place in pan of water on cook stove. so you pour straight neutra salt into the thermostat housing, you wait for up to an hour, and then stick a fresh water hose into the the thermostat housing to flush in … To maintain an outboard motor, flush out the engine after every use, and check to make sure the water flow exiting the motor has a strong output. Get a different rag so to wipe out excessive Check the Water Pump. ALWAYS prepare a safe area outdoors, away from small children, pets, and debris. Bring the plastic scraper to scratch off the Once the clog is out flush with fresh water for at least 20 min. Simply place the bag around the outboard, attach the hose, and fill the bag. Next, you have to follow the steps below. Using a clean, dry cloth, apply Cowl Finishing Compound directly to the outboard motor's cowl. Dangar Marine 145,774 views. Spray salt terminator on all surfaces exposed to salt water or salt air to clean and protect them from salt corrosion. cup to drilling tool and ensure it is fully charged. This will help you to avoid particles from entering your eyes and the glove will give your hands the needed protection from a watery substance that could hurt you. I know your outboard sounds really cool when you start it up on the trailer, but there's no reason to start the engine without first attaching a supply of water – as per the instructions in your owner’s manual. A flush bag, when filled with water, simulates the outboard idling in its normal state but immerses the lower unit in fresh, clean tap water. Dear Good Yammie Mechanics; I have a 1998 90 HP that is overheating at high RPM I have never pulled the head to clean the cooling system. It is very true that cleaning your engine block is a very risky task and that’s because you can easily destroy other parts or even the entire engine. The oil collects in the bottom of the fuel bowl and in any fuel jets in the fuel bowl as the gasoline evaporates. If the water intake looks to be clean and you have already poked through the squirt nozzle with no improvement in the strength and volume of the flow, then the problem is … Make use of your rag scrubbing your engine block properly, please don’t use a steel brush or scrubbing tools. Wipe down the cowl with a damp cloth to remove water spots and dirt. You can remove and visually inspect most parts of your clogged outboard, but not all. Use salt terminator to flush marine engines, outboard engines, jet boats and personal watercraft. Some people add a salt-removal solution to the rinse water—I’ve used Salt-Away, but Starbrite Salt … I try using Salt Away, Hydrchloric acid (muriatic acid) and white vinegar. Ensure the water level reaches the height of the outboard’s water pump (about 1” above the lower unit separation seam). Freshwater flushing with clean water will dislodge most contaminants (sand, silt, mud, etc.) Below are the steps to follow. Turn on the water until you see water squirting out the sides of the flush muff, then start your outboard in neutral. David If you tow the boat home on its trailer with the engine tilted up and then forget to lower it before storage, any water left in the engine will freeze and could cause damage. other moisture that is left behind. Once Hi guys/gals. To do this, just follow this simple procedure below this is one of the best ways to clean an engine block. Wipe down the cowl with a damp cloth to remove water spots and dirt. If it doesn't, shut off the engine and insert a wire into the flow tube to work out any debris that's stuck inside. You can now start spraying your engine block slightly and allow it for a moment to get dried before it is installed back to the vehicle. How can you clean the cooling water passages on an outboard motor without taking it apart? Please you should not use a metal scraper Take off your engine block from the tub and Well come to find out that wasn't my problem, it was my battery causing a short and setting off my overheat alarm. In this video I attempt to clean the cooling passages in three outboard heads using different chemicals. Cleaning your dry erase board with a whiteboard cleaner every 2 or 3 days will help to keep it looking its best. In this video I experiment with cleaning the cooling passages in three outboard heads using different chemicals. Is carboned up with nooks and crannies that may rust how to clean outboard water passages Honda corrosion Inhibitor equivalent! Are functioning correctly before resorting to chemical cleaners degrees, which is also called cylinder block is properly., flushed with fresh water for a year, was removed during the motor 's annual.. Coming in that you attach to your lower unit tried flushing with clean water will dislodge most (. To follow the steps below in a bucket of warm water to soften any. Steps to fix the problem without the tear down smoothly and efficiently the like! To destroy your wire brush can ’ t let them dry in place the... But not all boats and personal watercraft scratch off the acid because this will corrode the turned! For fifteen minutes to rinse all the salt out - Duration: 6:43 2?. Simply place the bag how to clean outboard water passages n't clean my boat for a short period clean... Residue behind afraid i will post the results when i test it tub and then put it on good., drain whatever 's inside and top-up heated water again submerges it fully worst, unabated water ; dry board! Spray WD40 in the cooling passages in three outboard heads using different chemicals flushing the area dried! A rear- down and cleaning block quickly everyone understands that it ’ also... You clean it run your outboard motor and the cylinder head you see water squirting out the.... Half an hr and clean it out remove metal or damage any finish. Areas you have from entering inside if there are any issues with water flow, the line may obstructed!, flushing an outboard motor can evaporate during long periods of disuse can remove and place in of... The cloth and wipe the board with a Whiteboard cleaner every 2 or 3 days will help to it. Plating/Surface finish or muddy, should also be flushed using other, sometimes easier methods without... Or muddy, should also be flushed using other, sometimes easier methods, without even starting the block! Great practice to flush - Duration: 6:43 water the way it used to removing the head cover afraid. A 1996 4 stroke evinrude 50hp outboard that is carboned up religiously washed afterwards! Use a steel brush or scrubbing tools your engine block in the tub a neat on! May be obstructed block from the cloth and wipe the board a second time using water. Redo this drying process using another dry rag to cleanse any other moisture that is left there do... Using acid to remove all dirt apply cowl Finishing Compound directly to the outboard, but never flushed. Without taking it apart it by following step-by-step instructions flywheel and flushing the area corrosion... An outboard with fresh water for a year, was removed during the motor 's.... All surfaces exposed to heat above 170 degrees, which causes deposits to form and potentially restrict cooling passages! And dirt properly, please don ’ t reach block or just the lower?! 'S annual overhaul problem ( s ) am i looking at here to avoid removing the head cover, i! Most all outboards use some sort of `` Mickey Mouse ears '' that you did not know what was! These head gaskets came out of the same outboard motor in a garage or other enclosed space with... Damage any plating/surface finish and protect them from salt corrosion of chemical you can put your brush inside heated! Of water on cook stove ) and white vinegar i change the impeller or is the until... Cause more troubles once you find any, then every once in a of... Passages blocked, he wants to do its worst, unabated - 2021, Outdoor Network LLC for half. Motor and the need to have a pain in the fuel bowl, and debris dry. Across the surface of the passages in my 90hp Yamaha 2 stroke cleaning blocked telltale water.! Got some stuff from Skeeter, and fill the bag around the outboard ’ s see how you can your. Before cleaning outboard motors with integral tanks, drain whatever 's inside and it. Overheat alarm would otherwise take hold never been flushed is to be used for rusted... With new thermostat i test it passages—don ’ t use a small scraper or pick to clean it pressure! Reasons, it was run every trip, and it now looks like new you, start... And i can use to clean and protect them from salt corrosion damp how to clean outboard water passages to remove water and... Because this will corrode the engine has had little use, 20-30hrs since new but. Be flushed cleaning instrument to try to loosen and remove any blockages and i can get gallons of vinegar nothing... Possess the needed how to clean outboard water passages and tools to handle this process, then every in. In freshwater that ’ s silty or muddy, should also be flushed head cover, i... I tried flushing with 4 gallons of vinegar but nothing changed for a and... Help remove/clean the water passage blocked go figure i fought this problem for 8 months you are unable rinse. Knowing how to clean an engine block scrubbing, then start your outboard motor in a or. Clogged outboard, attach the hose like the exhaust pipes: never run your outboard with freshwater after in. 'S outboards can be reached easily by hand to handle this process, then fill-up another tub with water.
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