how to clean outboard motor water jackets

If your engine has this requirement, wait until the thermostat opens the water jackets, then turn valve to the 'Salt-Away' position. How to start an outboard motor is quite straightforward. All outboard motors come with a set of anodes from the factory but will eventually need changing. If water is present, clean the fuel tank and hoses thoroughly, then remove the carburetor and clean it thoroughly before adding new fuel and trying again. After loosening the screws, pull … I keep my boat on a lift on Table Rock year round (I know Mr. Babler thinks thats crazy). Please pull off your water jacket. 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 remove the thermostat and pour it directly into the cylinder block. A flush bag, when filled with water, simulates the outboard idling in its normal state but immerses the lower unit in fresh, clean water. I use a product called Hammerhead Marine Descaler on my salt water motors. We offer the most-complete line of outboard power, for fishing boats and speed boats, for pontoons and tenders, for work and for play. If you never tried it, you may want to try it. check out the. Outboard engine troubleshooting is an handy skill. I didn't clean my boat for a while and had some really bad water spots. If you never tried it, you may want to try it. Plug the pee hole on the motor. © Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. Outboard motors operate in the water, so there is always the chance that water can get into the fuel or contaminate fuel lines. heck i would do it here at my house for 500. to bad you live so far away. Its composition is a bit of puzzle. Sterndrives & Inboards. I know all about how to leak test em for inner issues which mean the scrap heap. Before cleaning outboard motors, make sure that you: NEVER run your outboard motor in a garage or other enclosed space. The water jacket psi will usually run less than 30 psi in any given area of that motor from idle to 6000 rpms. It will remove wax. you should be good to go after this. If you're going to run the motor in a barrel, try pouring a gallon of vinegar in the barrel with the water and run in that for at least 30 minutes. Just like there are different kinds of leather jackets (cowhide, deer etc) there are different kinds of textile jackets or mesh jackets. Using a clean, dry cloth, continue to wipe the cowl removing any dampness. Remove the propeller cotter pin and unscrew the castle nut. If your trousers are made up of rubberized Flexothane then wash them with a solution of hot washing up liquid and use a hog brush to brush away the stains You can clean out salt and other gunk from the water jackets by removing the exhaust cover on the side of the motor. water will sit in the bottom of the fuel tank and can be mixed with fuel as are traveling take a quart jar and pump gas from the tank directly onto the jar and see what you get also can take the water/fuel filter out and dump into glass container to see if it has water if you have much water on the fuel tank it is a real pain to get it all out If the motor has seen a lot of hours, the impeller vanes may be worn or scored. But no new water impeller nor water pump was required for repair. 2. Slim, I appreciate your answer. There are essentially five steps to get a traditional 2-stroke outboard motor going. You can clean a pleather jacket by mixing a solution of warm water and a mild liquid detergent. This one is kind of an expirement. Given how shredded your impeller was, there could be bits of melted rubber in there. You are right It takes chisel and hammer to get the rust out. Wash the outside of the outboard motor with clean, fresh water. Remove the plain washer, propeller, and thrust washer. ALWAYS give your engine time to cool and dry before you clean it. Step 2. ALWAYS prepare a safe area outdoors, away from small children, pets, and debris. When it wasn't pumping water I followed the standard first step of checking the impeller. Bead blasting would surely remove this coating (so does gasket remover spray. Ensure the water level reaches the height of the outboard’s water pump (about 1” above the lower unit separation seam). wash parts with dawn detergent and rinse. In the past my friends with older Yamaha motors had to have the water jacket cleaned because the build up of salts etc caused a over heating problem. Got some stuff from Skeeter, and it now looks like new. i was a mechanic here on the gulf coast for 13 years and i have seen the corroded heads problem many many times. lets say all your thermostats and water pump is good. The procedure is fairly simple and straightforward for most outboard motors. Mercury Outboards – Durable. well to be honest 1500 is way to high for this job. Some engines are required to warm up first to open water jackets. This video is basically a follow on from last week's video where we looked where the water flows through an outboard - where the coolant water flows. replace with new gaskets and torque. Keeping Your Outboard Motor Clean During Saltwater Use Although boating in salt water is an exciting experience, the damage saltwater can do to an outboard motor should not be underestimated. Edited September 29, 2015 by Graham Man (see edit history) ALWAYS stay clear of the propeller; NEVER touch anything you’re unsure of profile | register | author help, http://continuouswave.com/ubb/Forum3/HTML/017083.html. You want to keep that clean and freshly greased.” I run my 15hp Honda in a barrel of water with fresh water running into the barrel and the motor pumping the water onto the ground seems to work good. ContinuousWave: The Whaler GAM or General Area. The warm water will help remove any remaining oil and dirt left behind from the first round of cleaning. It runs fine at medium RPMs all day. “I’d do this monthly on my own motor,” said Greenwood. Powerful. Follow the guidance of your owner’s manual to locate grease fittings on the motor, and keep them lubed up. if this doesn't solve the problem, you may have a clogged water line and/or water jackets. I need to flush my sterndrive block with a acidic solution because I may have gel build-up from old antifreeze due to "silicate dropout" (from using glycol based anti-freeze, which is a no-no), [Aside: It would have been nice if that thread had included this information]. Up until this year i have been keeping my boat in dry dock. Larsons, yep, that's it. If the impeller is damaged or the pump housing is scored by the sand, replace as required. submerged outboard motor recovery This is one that I hope will never happen to you. You will be able to clean them out. remove head and all gasket material. 4. Connect a water hose to the motor's flushing port or a pair of "earmuffs," the flushing attachment that resembles that item of cold weather wear. The outboard motor is air cooled and does not have a need for circulating water. to do this correctly, this is the procedure you need to follow. My jacket is made entirely of polyester, so I need to plan accordingly . if muriatic acid dont get it out, i doubt wd-40 will. Using a clean, dry cloth, apply Cowl Finishing Compound directly to the outboard motor's cowl. Works real well and is safe to use on aluminum. Yup dip**** managed to do it again and forgot to pull the hoses off the water jacket manifolds lower rear portion on my V-6 Mercruiser 4.3L Chevy in my boat. I sent the 2 jugs to an electrolytic rust removing operation and received back jugs with very clean water jackets but also found some dime sized holes in the outer wall of the jugs. The real job of cooling the outboard comes when the water goes down these other holes here, because they lead to the water jackets around the Pistons. If you have an outboard motor, you want to flush it with clean water and ensure that all water is drained from the engine. Everything is tore down. Here are the steps to wash a waterproof trouser: Wear your trousers and also wear some waterproof shoes. Since it is necessary to run the engine during the flushing procedure, be sure to remove the Tip: Check your boat at the first of every month, and mark it on a calendar so you will remember. Its a white evinrude so the stains really show. Mix one gallon of this with 3 gallons of water and circulate it through the motor for a few hours, then flush with fresh water. HYDROGEN CHLORIDE is another way of saying Muriatic Acid which is dilute form of Hydrochloric Acid. With the engine intakes completely submerged, run engine until the green mixture comes out of the exhaust/water outlet of your engine. Gently wipe the jacket with a non-abrasive sponge. I could not get them off. Yamaha 150 ETLD, Stock in every way, Water pressure Gauge, Runs great, Lots of PM, Salt water operation. “Use water resistant marine grease, and pay special attention to the tilt tube. I have done many engines. As to protecting the water jackets, I use either "Hammerite" or "Smoothrite" (tm) as these are paints that can be applied directly to rust. Remove the plain washer, propeller, and thrust washer. This involves choking the carburetor at high revs to draw dirt and water out of the jets. Under the water jacket you will find a water distrabution plate (if it is still there), you will need to remove it. I keep my boat on a lift on Table Rock year round (I know Mr. Babler thinks thats crazy). Hook the water hose up to the motor flush out fitting. Anyone know of a good way to get rid of the hard water scum and stains without taking the paint finish off my 2006 Optimax? Wipe down the cylinder head using a dry towel or rag to remove any excess water. pull cover off of head and remove that gasket material also. 2. Keep in mind that I have a valve on the opposite end that I hook up to … 2003 Yamaha outboard 2 stroke overheat buzzer on idle, flushed and cleaned water jackets and replaced thermostats, - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. 2. I also use masonry bits in some areas. best way to clean out the water jackets of a small block? I have a 1991 90 HP. This summer i was able to get a spot in the water and with that comes the usual build up of scum and water stains and was wondering what some of you use in a spray, scrub and wash format that does a good job. I have had real good luck with stainless wire in my MIG on … Hello all, Well time to put her away for another season:sad:. Be sure the bucket is large enough to completely cover the water intake ports on the lower unit of the outboard. Unscrew the cover plate of the impeller housing. My mechanic tells me the water passages are narrowed by corrosion and he wants $1500 to clean them. Jump to Latest Follow ... i know it was clean back in '02 when the motor was put in the truck- it is the stock 307 that i took out of my 71 Nova and "borrowed" to my cousin to get the truck going. Ensure the water level reaches the height of the outboard’s water pump. How do I clean out the "Water Jackets?" Check water levels and fill up if necessary. You bet it will remove rust...and a lot of other things as well. Cleaning Wash the outside of the outboard motor with clean, fresh water. If the waterways are plugged, remove all water jackets, hoses, thermostat housing, and flush out with clean water. A Mercury outboard water pump is a engine cooling system. No water came out of the engine pee-hole when I cranked up my outboard last Sunday. 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. Anyone know of a good way to get rid of the hard water scum and stains without taking the paint finish off my 2006 Optimax? Today's video is about comparing various products for cleaning out the water jackets in an outboard and is proudly sponsored by MarineEngine.com. You might be able to descale it just enough to get a better stream. All times are GMT-5. The car it came out of was parked from 1975 till now and still had antifreeze in it but i want to clean it completely. For smaller outboards, you can also flush your outboard by using a large bucket of water. Place the bag around the outboard, attach the hose, and fill the bag. Use a soft cloth and a mild, marine-specific cleaning agent, like Yamaclean ®, then rinse it again. Smaller Horsepower Outboard (2hp through 6hp): For our 4-stroke models 2hp-6hp and our 5hp 2-stroke models you can use the optional flushing plug. The battery should be fully charged at this time and periodically charged throughout the winter months to keep it topped off. Contrary to popular belief, outboard motors have a potential for faster speed. Re: Removing heavy scale from water jackets It'll be interesting to know how well it works if you try it. On a black Merc that looks bad. With the engine turned OFF, use a wire-based cleaning instrument to try to loosen and remove any blockages. I need to clean the rust out of the cooling jackets of the block and heads. have you replaced waterpump,thermostats and prv parts ? These head gaskets came out of the same outboard motor. bead blast the head and cover gasket and thermo cover gasket making sure you remove all corrosion even if you have to scrape with a pocket knife. Once through with that, run clean water through the motor. For tips on cleaning and maintaining the rest of your boat, take a look at: Boat cleaning: how to care … Step 3. Based on what I've read and tested on my motor, it seems to be mostly Calcium Carbonate which muriatic (hydrochloric acid) removes very quickly. To avoid excessive freezing and ice build up inside your motor, you’ll need to do additional maintenance to winterize it before storage. Outboard Motors. This page was generated at 1 minute ago. Most times it is best to remove the exaust cover plate and if possible the cylinder head Anyone here have a technique besides pulling the engine apart to remove scale in the water jackets? Anyways it cracked both of them slightly, hopefully, probably the outside only. Step 5: Use compressed air on the passages. While a fuel system problem may make it impossible to start an the engine, outboard cooling system problems have the potential to destroy an otherwise healthy motor as overheating can lead to a blown cylinder head gasket, or even complete seizure of … This position mixes Salt-Away and water to the correct ratio of Salt-Away to water for easily removing salt. Get back to us on what you find, you might save yourself an engine rebuild. 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. spray all internal areas with zinc cromate primer. Winterizing the Outboard Boat Motor Flushing the Outboard Motor in a Tank of Water 1. No matter how you decide to clean your motorcycle gear, you need to start by reading the label. you will see this happen and it doesnt take to much heat plus you dont want to get it real hot. Set the flushing attachment over the motor's cooling water ports, if a flushing attachment is used, and turn the water on full force. Make it easy on yourself. 19.6' Predator, 90(?) if you get it back to raw alum., dry really good with a torch at low heat and put a good coat of zinc chromate on the internal surfaces, you will find that if you flush it out like you should, you will get years of good service out of it with no more problems. I could not get them off. Has anyone used Lime away or CLR or … I went to my machine shop and thought they could do it but the EPA banned them from using caustic cleaning. Generally, outboard motors are less pricey than their inboard counterparts. you will never get the corrosion out with any mild acid solution. Flush the motor with salt away 2 or 3 times. 1998 90 HP clogged water jacket-need cleaning process tips 09-03-2018, 09:38 PM 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. Getting Oily Image from Gander heat with a torch to evaporate any water soaked into the alum. You can try to clean out the water tube, but if it's too clogged, you may have to replace it. These are two-cycle motors which are raw water cooled. Reconnect it to the wall and turn on the water. If this is your first visit, be sure to check out the FAQ by clicking the link above. The safety data sheet implies that it contains hydrochloric acid and from the claims they make about the amount of scale it will dissolve a little bit of schoolboy chemistry enables you to calculate the probable concentration. So I'll show you, I'll sort of shine the light and show you how that works. Start by removing the gearcase and inspecting the pump. Hey there, Dangar Stu here. Well, this didn’t to me, but I loaned my older Hewes Craft 16’ jet sled to my son-in-law for a camping trip to a local fairly large impoundment for the 4 th of July week-end 2003. Always use fuel that is two-weeks-old or less. If this is your first visit, be sure to 25/25/50 Simple Green/water/vinegar will clean about anything on the exterior of the boat. Start the engine and run for 15 minutes in neutral. Larsons, yep, that's it. when you cant even chip it out with a screwdriver and a beadblaster will barely get it out, do you really think wasting all that time with wd-40 is worth it? Water Type. Thanks for the assist. Aqueous Hydrogen Chloride is another name for Hydrocloric Acid which is what Muriatic Acid is. Simply place the bag around the outboard, attach the hose, and fill the bag. Got some stuff from Skeeter, and it now looks like new. Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! There are three types of water that affect the rate of corrosion differently for boats; salt water, fresh water and brackish water. How does mercury outboard water pump work? Outboard engine cylinders also take a beating when it comes to ingesting water from their environment or cracking as a result of improper winterizing procedure. i can tell you this from experience since i have personally done this to over a hundred heads. I have a 1991 90 HP. 8. Religiously flushing only does so much. Fill container until engine intake is completely submerged in the Descaling Engine Flush mixture. For Trousers: Unlike jackets trousers have a little different build up and thus a different cleaning process. On a black Merc that looks bad. Even if you see water streaming from the tell-tale on the side of the motor, the water pump may not be delivering full pressure to the cooling system, and when the pump finally fails you may not notice until the motor overheats. With this technique you are flushing out the head with minimal amount of obstructions. **** I hate the cold. Newtauk1: posted 07-17-2009 09:47 AM ET (US) We've got a hole on top here the cooling water gets to and these were water jackets around the Pistons. They can answer questions for any Yamaha outboard model or horsepower. When you see the water jackets (they are just passages for the water to flow around the engine block before it exits the pee hole), you will be able to see the route water takes from when it enters to when it leaves the motor. Check to make sure that no water is present in your fuel supply. 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. ... Self-cleaning ovens get up to around 850°, which should be good enough. I observed this first hand playing with a thermostat housing. I didn't clean my boat for a while and had some really bad water spots. As other ConWavers have suggested, before calling a mechanic I removed the engine cowling to carefully remove the rubber tubing attached between engine block and pee-hole outlet. For this reason, outboard engines wear out faster, absorb more heat over a longer period and work under a constant load. At top RPMs it reverts to idle speed and the hot horn comes on. Immediately shut off the engine and let engine sit for 5-10 minutes. The gasket on the left, flushed with fresh water for a year, was removed during the motor's annual overhaul. Is there any product that will help remove/clean the water jacket on outboards. Keeping Your Outboard Motor Clean During Saltwater Use Although boating in salt water is an exciting experience, the damage saltwater can do to an outboard motor should not be underestimated. Operating Your Outboard Motor. search | FAQ | Cleaning Outboard Motors Before Off-Season Storage. Reliable. After every trip, I turn the hose off and let the water out of it, then disconnect at the wall and dump in about 6-8oz of dish soap. 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. Flushing the Outboard Motor in a Tank of Water 1. Cleaning water jackets 09-25-2006, 09:09 PM. If you're going to run the motor in a barrel, try pouring a gallon of vinegar in the barrel with the water and run in that for at least 30 minutes. 2. You might be able to descale it just enough to get a better stream. Copyright © 2000 - 2021, Outdoor Network LLC. Remove the propeller cotter pin and unscrew the castle nut. Thanks for the assist. Once through with that, run clean water through the motor. Has anyone used Lime away or CLR or … Wipe down the cowl with a damp cloth to remove water spots and dirt. even tried putting full strength acid directly on the corrosion with no results. I have about 99% of the water jacket clean. Just like you clean the inside of your outboard by fresh water flushing after each trip, thoroughly spray down your boat and the outside of your outboard with fresh, clean water. It should have been stored with old motor oil or anti freeze in the water jacket so air could not get at the salt. Some outboard cylinders simply crack from heat and stress. Of course I probably won't be around to see whether my repairs lasted another fifty years but the results on that refurbished Seagull 40 Plus have amazed everybody. Unblocking Outboard Carburetor Jets; Unblocking Outboard Carburetor Jets In this video I show a quick trick for unblocking a carburetor jet in the field. Aircraft mechanic.. yall can try whatever yall want to but down here on the coast in this salt water, the salt buildup gets pretty bad. We build Mercury MerCruiser® Sterndrive engines and drives to power your life on the water. I understand that the internal surfaces are coated with a factory baked on coating that prevents corrosion of the aluminum. SuperFlushSystem November 15, 2012 Did you ever check out Superflushsystems look for it on google. Since it is necessary to run the engine during the flushing procedure, be sure to remove the Once done, remove the cylinder head from the tub and rinse it off with clean water to remove any remaining dirt. I guess that's why the mechanic wants $1500. From BoatUS Magazine, America's Most-Trusted Boating Magazine. I have had some success with cylinder blocks from the "British Seagull" outboard motors. You may have to register before … I read the thread you had refered to above, but it didn't what the solution he was flushing with was. Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. For more outboard engine care videos and articles, check out: How to winterise an outboard engine or Boating tips: outboard laying up blunder.

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