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. After Go figure I fought this problem for 8 months! I need to unclog this motor and I can use all the help I can get. Once Touch up any damaged paint, and coat areas that may rust with Honda Corrosion Inhibitor or equivalent. Most boaters know it’s imperative to flush an outboard with freshwater after boating in saltwater or brackish water. Because I still have a pain in the but over heating problem. You need to have a little understanding of what engine block is all about if you must begin. 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. 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. 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. The engine has had little use, 20-30hrs since new, but never been flushed. It cant idle or stay in gear at a low rpm due to it being gummed. Please you should not use a metal scraper But today's outboards can be flushed using other, sometimes easier methods, without even starting the engine. With a reliable thermometer, heat water until thermostat opens. Step 3. With vinegar and water. water passages after use is left there to do its worst, unabated. For tips on cleaning and maintaining the rest of your boat, take a look at: Boat cleaning: how to care for your hull or 5 ways to protect your boat over winter . 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. Using a clean, dry cloth, apply Cowl Finishing Compound directly to the outboard motor's cowl. Carburetor banks hold two carburetor bores that draw from a shared fuel bowl, and each cylinder gets its own carburetor. I will be flushing my engine sat. 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. 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. Otherwise use a small scraper or pick to clean out the area. The gasket on the left, flushed with fresh water for a year, was removed during the motor's annual overhaul. Make dead sure your water pump, thermostat and pressure control valve are functioning correctly before resorting to chemical cleaners. Freshwater flushing with clean water will dislodge most contaminants (sand, silt, mud, etc.) The gasket on the left, flushed with fresh water for a year, was removed during the motor's annual overhaul. These head gaskets came out of the same outboard motor. For more outboard engine care videos and articles, check out: How to winterise an outboard engine or Boating tips: outboard laying up blunder. How can you clean the cooling water passages on an outboard motor without taking it apart? Ensure the water level reaches the height of the outboard’s water pump (about 1” above the lower unit separation seam). By Ed Sherman. Flush the tank with denatured alcohol and completely drain it. 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. ALWAYS stay clear of the propeller; NEVER touch anything you’re unsure of This outboard engine only had about 700 hours on it when it failed. 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 Flush every passage and jet with carburetor clean. Can a Bad Alternator Cause Low Oil Pressure & Can a Car Run With a Bad Alternator? Most all outboards use some sort of "Mickey Mouse ears" that you attach to your lower unit water pick up right? 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. Cleaning a Chalkboard Occasionally. 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. 2. But first, what on earth is an Engine Block? I try using Salt Away, Hydrchloric acid (muriatic acid) and white vinegar. Please note that there are individuals who keep using acid to remove rusted particle from engine block quickly. 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. 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 heated water for a long time to have the engine block wiped properly. 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. If you never tried it, you may want to try it. Once the clog is out flush with fresh water for at least 20 min. Anonymous. What is Considered High Mileage on a Jeep Wrangler? You don’t need a ultrasonic cleaner, but that means that you will be manually rinsing the carbs in a bucket of hot water. Most boaters know it’s imperative to flush an outboard with freshwater after boating in saltwater or brackish water. 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. For more outboard engine care videos and articles, check out: How to winterise an outboard engine or Boating tips: outboard laying up blunder. Put your engine block inside and top-up heated water again submerges it fully. But doing this will cause more troubles once you are unable to rinse off the acid because this will corrode the engine block. You can still make use of spraying washer in case you have. Clean the cylinder head as best as possible, including any passages and parts that can be reached easily by hand. Cleaning outboard water passages - Duration: 13:18. Put your engine block inside a tub. need to be cautious to prevent banging it and damaging the nozzles. Remove the carburetor and disassemble it. However, not everyone understands that it’s also a great practice to flush your outboard after freshwater outings. Start the engine and run for 15 minutes in neutral. Remember: your outboard is self-draining. 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. and force them out of the passages in the cooling system. Arrange the tools you need to clean Taking off your engine block require All times are GMT-5. cup to drilling tool and ensure it is fully charged. Wipe the board a second time using only water; Dry the board completely; Repeat the process if necessary ; Whiteboard Cleaner. 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. Simply place the bag around the outboard, attach the hose, and fill the bag. 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. If the t-stat is removed does water from the flushing attachment circulate through the block or just the lower unit? In this video I attempt to clean the cooling passages in three outboard heads using different chemicals. On small outboard motors with integral tanks, or portable tanks, drain whatever's inside and take it to a recycling center. Regularly cleaning the board ensures that your dry erase ink doesn’t sit on the board … 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. I try using Salt Away, Hydrchloric acid (muriatic acid) and white vinegar. Flush the tank with denatured alcohol and completely drain it. I was wondering if there is some kind of chemical you can use to clean the passages in my 90hp Yamaha 2 stroke? You need to allow it to stay longer to enable it to remove all dirt. Lubricate controls with a silicone spray lubricant. the application of fluid and then disconnect the hose like the exhaust pipes. Even a novice mechanic can take apart a carburetor, clean it, and reassemble it by following step-by-step instructions. 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. 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