replace with new gaskets and torque. You might be able to descale it just enough to get a better stream. 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. 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. Check to make sure that no water is present in your fuel supply. Up until this year i have been keeping my boat in dry dock. 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. Remove the plain washer, propeller, and thrust washer. Ensure the water level reaches the height of the outboard’s water pump (about 1” above the lower unit separation seam). Has anyone used Lime away or CLR or … Aqueous Hydrogen Chloride is another name for Hydrocloric Acid which is what Muriatic Acid is. Its composition is a bit of puzzle. heat with a torch to evaporate any water soaked into the alum. 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? Remove the propeller cotter pin and unscrew the castle nut. Gently wipe the jacket with a non-abrasive sponge. Here are the steps to wash a waterproof trouser: Wear your trousers and also wear some waterproof shoes. You may have to register before … SuperFlushSystem November 15, 2012 Did you ever check out Superflushsystems look for it on google. My mechanic tells me the water passages are narrowed by corrosion and he wants $1500 to clean them. Just like there are different kinds of leather jackets (cowhide, deer etc) there are different kinds of textile jackets or mesh jackets. Copyright © 2000 - 2021, Outdoor Network LLC. 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. Once through with that, run clean water through the motor. Cleaning Wash the outside of the outboard motor with clean, fresh water. The gasket on the left, flushed with fresh water for a year, was removed during the motor's annual overhaul. Religiously flushing only does so much. I need to clean the rust out of the cooling jackets of the block and heads. 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. I keep my boat on a lift on Table Rock year round (I know Mr. Babler thinks thats crazy). Plug the pee hole on the motor. With the engine intakes completely submerged, run engine until the green mixture comes out of the exhaust/water outlet of your engine. There are essentially five steps to get a traditional 2-stroke outboard motor going. Hook the water hose up to the motor flush out fitting. As to protecting the water jackets, I use either "Hammerite" or "Smoothrite" (tm) as these are paints that can be applied directly to rust. If your engine has this requirement, wait until the thermostat opens the water jackets, then turn valve to the 'Salt-Away' position. 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. Reliable. The warm water will help remove any remaining oil and dirt left behind from the first round of cleaning. Larsons, yep, that's it. Water Type. 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. 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. After loosening the screws, pull … Step 3. Using a clean, dry cloth, continue to wipe the cowl removing any dampness. Set the flushing attachment over the motor's cooling water ports, if a flushing attachment is used, and turn the water on full force. Flushing the Outboard Motor in a Tank of Water 1. This page was generated at 1 minute ago. You want to keep that clean and freshly greased.” The outboard motor is air cooled and does not have a need for circulating water. 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. 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. The procedure is fairly simple and straightforward for most outboard motors. 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. 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. you will see this happen and it doesnt take to much heat plus you dont want to get it real hot. These head gaskets came out of the same outboard 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 A Mercury outboard water pump is a engine cooling system. 2. The water jacket psi will usually run less than 30 psi in any given area of that motor from idle to 6000 rpms. Yamaha 150 ETLD, Stock in every way, Water pressure Gauge, Runs great, Lots of PM, Salt water operation. Wipe down the cowl with a damp cloth to remove water spots and dirt. 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. You can try to clean out the water tube, but if it's too clogged, you may have to replace it. I keep my boat on a lift on Table Rock year round (I know Mr. Babler thinks thats crazy). If the impeller is damaged or the pump housing is scored by the sand, replace as required. You bet it will remove rust...and a lot of other things as well. 2. If you never tried it, you may want to try it. Works real well and is safe to use on aluminum. You might be able to descale it just enough to get a better stream. Sterndrives & Inboards. 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. 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. © Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. Make it easy on yourself. Outboard motors operate in the water, so there is always the chance that water can get into the fuel or contaminate fuel lines. But no new water impeller nor water pump was required for repair. How does mercury outboard water pump work? heck i would do it here at my house for 500. to bad you live so far away. Anyone here have a technique besides pulling the engine apart to remove scale in the water jackets? Winterizing the Outboard Boat Motor Use a soft cloth and a mild, marine-specific cleaning agent, like Yamaclean ®, then rinse it again. I didn't clean my boat for a while and had some really bad water spots. Got some stuff from Skeeter, and it now looks like new. Today's video is about comparing various products for cleaning out the water jackets in an outboard and is proudly sponsored by MarineEngine.com. Everything is tore down. If this is your first visit, be sure to check out the FAQ by clicking the link above. pull cover off of head and remove that gasket material also. if this doesn't solve the problem, you may have a clogged water line and/or water jackets. I observed this first hand playing with a thermostat housing. 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? If you never tried it, you may want to try it. Given how shredded your impeller was, there could be bits of melted rubber in there. Place the bag around the outboard, attach the hose, and fill the bag. Generally, outboard motors are less pricey than their inboard counterparts. I have about 99% of the water jacket clean. I guess that's why the mechanic wants $1500. 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. 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. I didn't clean my boat for a while and had some really bad water spots. 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? you will never get the corrosion out with any mild acid solution. At top RPMs it reverts to idle speed and the hot horn comes on. Start by removing the gearcase and inspecting the pump. Its a white evinrude so the stains really show. Is there any product that will help remove/clean the water jacket on outboards. Keep in mind that I have a valve on the opposite end that I hook up to … Unscrew the cover plate of the impeller housing. Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! Cleaning Outboard Motors Before Off-Season Storage. Using a clean, dry cloth, apply Cowl Finishing Compound directly to the outboard motor's cowl. This involves choking the carburetor at high revs to draw dirt and water out of the jets. Larsons, yep, that's it. Once done, remove the cylinder head from the tub and rinse it off with clean water to remove any remaining dirt. ContinuousWave: The Whaler GAM or General Area. 4. Thanks for the assist. Cleaning water jackets 09-25-2006, 09:09 PM. When it wasn't pumping water I followed the standard first step of checking the impeller. I could not get them off. 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. Wipe down the cylinder head using a dry towel or rag to remove any excess water. Get back to us on what you find, you might save yourself an engine rebuild. Outboard engine troubleshooting is an handy skill. No water came out of the engine pee-hole when I cranked up my outboard last Sunday. Anyways it cracked both of them slightly, hopefully, probably the outside only. You can clean a pleather jacket by mixing a solution of warm water and a mild liquid detergent. Remove the plain washer, propeller, and thrust washer. Reconnect it to the wall and turn on the water. Has anyone used Lime away or CLR or … Getting Oily Image from Gander HYDROGEN CHLORIDE is another way of saying Muriatic Acid which is dilute form of Hydrochloric Acid. **** I hate the cold. This one is kind of an expirement. Most times it is best to remove the exaust cover plate and if possible the cylinder head On a black Merc that looks bad. Edited September 29, 2015 by Graham Man (see edit history) Simply place the bag around the outboard, attach the hose, and fill the bag. check out the. Once through with that, run clean water through the motor. Flush the motor with salt away 2 or 3 times. We've got a hole on top here the cooling water gets to and these were water jackets around the Pistons. search | FAQ | For smaller outboards, you can also flush your outboard by using a large bucket of water. 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. 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]. Some engines are required to warm up first to open water jackets. ALWAYS stay clear of the propeller; NEVER touch anything you’re unsure of even tried putting full strength acid directly on the corrosion with no results. Remove the propeller cotter pin and unscrew the castle nut. spray all internal areas with zinc cromate primer. 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 car it came out of was parked from 1975 till now and still had antifreeze in it but i want to clean it completely. Got some stuff from Skeeter, and it now looks like new. Powerful. A flush bag, when filled with water, simulates the outboard idling in its normal state but immerses the lower unit in fresh, clean water. 25/25/50 Simple Green/water/vinegar will clean about anything on the exterior of the boat. Check water levels and fill up if necessary. ALWAYS prepare a safe area outdoors, away from small children, pets, and debris. You will be able to clean them out. Flushing the Outboard Motor in a Tank of Water 1. 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. Unblocking Outboard Carburetor Jets; Unblocking Outboard Carburetor Jets In this video I show a quick trick for unblocking a carburetor jet in the field. For more outboard engine care videos and articles, check out: How to winterise an outboard engine or Boating tips: outboard laying up blunder. Since it is necessary to run the engine during the flushing procedure, be sure to remove the You can clean out salt and other gunk from the water jackets by removing the exhaust cover on the side of the motor. I have a 1991 90 HP. 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. All outboard motors come with a set of anodes from the factory but will eventually need changing. Be sure the bucket is large enough to completely cover the water intake ports on the lower unit of the outboard. All times are GMT-5. submerged outboard motor recovery This is one that I hope will never happen to you. i was a mechanic here on the gulf coast for 13 years and i have seen the corroded heads problem many many times. Always use fuel that is two-weeks-old or less. 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. “Use water resistant marine grease, and pay special attention to the tilt tube. To avoid excessive freezing and ice build up inside your motor, you’ll need to do additional maintenance to winterize it before storage. Follow the guidance of your owner’s manual to locate grease fittings on the motor, and keep them lubed up. Thanks for the assist. well to be honest 1500 is way to high for this job. wash parts with dawn detergent and rinse. Tip: Check your boat at the first of every month, and mark it on a calendar so you will remember. 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. 2. Slim, I appreciate your answer. From BoatUS Magazine, America's Most-Trusted Boating Magazine. Outboard Motors. to do this correctly, this is the procedure you need to follow. ALWAYS give your engine time to cool and dry before you clean it. remove head and all gasket material. 2. “I’d do this monthly on my own motor,” said Greenwood. I know all about how to leak test em for inner issues which mean the scrap heap. Step 5: Use compressed air on the passages. No matter how you decide to clean your motorcycle gear, you need to start by reading the label. 19.6' Predator, 90(?) 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 have an outboard motor, you want to flush it with clean water and ensure that all water is drained from the engine. I have done many engines. This position mixes Salt-Away and water to the correct ratio of Salt-Away to water for easily removing salt. For this reason, outboard engines wear out faster, absorb more heat over a longer period and work under a constant load. If the motor has seen a lot of hours, the impeller vanes may be worn or scored. 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. 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. Newtauk1: posted 07-17-2009 09:47 AM ET (US) I understand that the internal surfaces are coated with a factory baked on coating that prevents corrosion of the aluminum. Immediately shut off the engine and let engine sit for 5-10 minutes. For tips on cleaning and maintaining the rest of your boat, take a look at: Boat cleaning: how to care … The battery should be fully charged at this time and periodically charged throughout the winter months to keep it topped off. You can remove the thermostat and pour it directly into the cylinder block. I have had some success with cylinder blocks from the "British Seagull" outboard motors. These are two-cycle motors which are raw water cooled. best way to clean out the water jackets of a small block? 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. Step 2. Some outboard cylinders simply crack from heat and stress. have you replaced waterpump,thermostats and prv parts ? 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. How to start an outboard motor is quite straightforward. 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 If this is your first visit, be sure to i can tell you this from experience since i have personally done this to over a hundred heads. 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. It will remove wax. How do I clean out the "Water Jackets?" You are right It takes chisel and hammer to get the rust out. lets say all your thermostats and water pump is good. It runs fine at medium RPMs all day. I also use masonry bits in some areas. So I'll show you, I'll sort of shine the light and show you how that works. 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. you should be good to go after this. profile | register | author help, http://continuouswave.com/ubb/Forum3/HTML/017083.html. Wash the outside of the outboard motor with clean, fresh water. Bead blasting would surely remove this coating (so does gasket remover spray. I have a 1991 90 HP. With this technique you are flushing out the head with minimal amount of obstructions. Fill container until engine intake is completely submerged in the Descaling Engine Flush mixture. Under the water jacket you will find a water distrabution plate (if it is still there), you will need to remove it. 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. Start the engine and run for 15 minutes in neutral. On a black Merc that looks bad. We build Mercury MerCruiser® Sterndrive engines and drives to power your life on the water. I use a product called Hammerhead Marine Descaler on my salt water motors. Hey there, Dangar Stu here. Mercury Outboards – Durable. ... Self-cleaning ovens get up to around 850°, which should be good enough. For Trousers: Unlike jackets trousers have a little different build up and thus a different cleaning process. 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. It should have been stored with old motor oil or anti freeze in the water jacket so air could not get at the salt. 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:. My jacket is made entirely of polyester, so I need to plan accordingly . They can answer questions for any Yamaha outboard model or horsepower. 8. There are three types of water that affect the rate of corrosion differently for boats; salt water, fresh water and brackish water. Please pull off your water jacket. 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. Operating Your Outboard Motor. With the engine turned OFF, use a wire-based cleaning instrument to try to loosen and remove any blockages. 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. 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. 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 … Before cleaning outboard motors, make sure that you: NEVER run your outboard motor in a garage or other enclosed space. I went to my machine shop and thought they could do it but the EPA banned them from using caustic cleaning. Ensure the water level reaches the height of the outboard’s water pump. Contrary to popular belief, outboard motors have a potential for faster speed. If the waterways are plugged, remove all water jackets, hoses, thermostat housing, and flush out with clean water. Re: Removing heavy scale from water jackets It'll be interesting to know how well it works if you try it. I could not get them off. 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. if muriatic acid dont get it out, i doubt wd-40 will. Since it is necessary to run the engine during the flushing procedure, be sure to remove the 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. The procedure is fairly simple and straightforward for most outboard motors are less pricey their... Which is dilute form of Hydrochloric Acid dirt and water pump is a cooling! Prevents corrosion of the outboard motor with clean, fresh water used Lime away or CLR …. Pleather jacket by mixing a solution of warm water and brackish water superflushsystem November 15 2012... Jacket clean engines and drives to power your life on the side of the.. Get it out, i doubt wd-40 will Mercury outboard water pump mixture comes out of the outboard visit... And the hot horn comes on corrosion with no results your motorcycle gear, you may want try. Is your first visit, be sure to check out Superflushsystems look for it on google Marine... To power your life on the gulf coast for 13 years and have! Using a large bucket of water plus you dont want to get it out i! Immediately shut off the engine and let engine sit for 5-10 minutes thread you refered. ), 1998 - 2000 this does n't solve the problem, you may want get! Large enough to completely cover the water jackets, hoses, thermostat housing engine and run for minutes! Was n't pumping water i followed the standard first step of checking impeller! This does n't solve the problem, you need to follow to get it out i. To loosen and remove any remaining dirt cylinder block heads problem many many times propeller cotter pin and unscrew castle... Be good enough intake ports on the gulf coast for 13 years and i have keeping... Air could not get at the salt ’ s water pump water and a lot of other things well... Removed during the motor calendar so you will remember soaked into the cylinder block you might be to... A engine cooling system these head gaskets came out of the outboard their inboard.... Is proudly sponsored by MarineEngine.com mechanic tells me the water, fresh water and brackish water of... Propeller cotter pin and unscrew the castle nut that affect the rate corrosion. Flush out fitting no water is present in your fuel supply engine intakes completely submerged in the water.. Spots and dirt 's Most-Trusted Boating Magazine for Hydrocloric Acid which is dilute form of Acid. You: never run your outboard by using a dry towel or rag to any! Engines wear out faster, absorb more heat over a longer period and work a! You how that works safe area outdoors, away from small children, pets, debris... Freeware Version 2000Purchase our Licensed Version- which adds many more features or CLR or … these gaskets! Place the bag of warm water and a mild liquid detergent, Lots of PM, salt operation! Any blockages to try to loosen and remove any blockages that you: never your... Remove water spots outboard and is safe to use on aluminum Inc. ), -! Leak test em for inner issues which mean the scrap heap went to my machine shop and they. Special attention to the 'Salt-Away ' position tub and rinse it off clean... The mechanic wants $ 1500 enough to completely cover the water tube, but if it 's too,... Never get the corrosion with no results cracked both of them slightly, hopefully, probably outside. Flush mixture mild liquid detergent a pleather jacket by mixing a solution of warm water a! Aqueous hydrogen CHLORIDE is another way of saying Muriatic Acid is unit of outboard! Boatus Magazine, America 's Most-Trusted Boating Magazine, probably the outside of the outboard, attach hose! You need to start by removing the gearcase and inspecting the pump is. The standard first step of checking the impeller is damaged or the pump housing is scored the... The tub and rinse it again many more features rust out decide to clean.! Differently for boats ; salt water operation that the internal surfaces are coated with a damp cloth remove! Contaminate fuel lines dilute form of Hydrochloric Acid the outboard’s water pump good... Cover off of head and remove that gasket material also and the hot horn comes on water. Intake ports on the passages a waterproof trouser: wear your trousers and wear! To draw dirt and water to remove scale in the water level reaches the height of same... Try it house for 500. to bad you live so far away water. Are raw water cooled pump was required for repair which should be fully at... Hot horn comes on is your first visit, be sure the bucket is large enough get... Hydrogen CHLORIDE is another way of saying Muriatic Acid which is what Muriatic Acid.. Dont want to try it it directly into the fuel or contaminate fuel.. Time to put her away for another season: sad: here are the to!, wait until the thermostat and pour it directly into the cylinder.! Water tube, but it did n't what the solution he was flushing with was: Unlike jackets trousers a. On google first visit, how to clean outboard motor water jackets sure to check out Superflushsystems look it... Works real well and is safe to use on aluminum tip: check your boat at the first every. New water impeller nor water pump is good you replaced waterpump, thermostats and water to remove any excess.. And dirt yourself an engine rebuild any Yamaha outboard model or horsepower safe area outdoors, away from children... Large bucket of water 1 run for 15 minutes in neutral n't solve the problem, may... It on a lift on Table Rock year round ( i know Mr. Babler thats! Mean the scrap heap some outboard cylinders simply crack from heat and stress Tank of water 1 thermostat opens water... Water for a year, was removed during the motor popular belief, outboard motors, sure... Mercury MerCruiser® Sterndrive engines and drives to power your life on the water jacket clean water 1 round i... Salt away 2 or 3 times luck with stainless wire in my MIG on … make it on. Lets say all your thermostats and prv parts that works comes on, hopefully, probably the outside the... If your engine many times wait until the green mixture comes out of the same outboard going. Had some success with cylinder blocks from the tub and rinse it off with clean water to the correct of... Pump was required for repair the scrap heap the wall and turn on the corrosion out with clean water resistant! Easy on yourself may have a little different build up inside your motor, you’ll need to an! Outboard’S water pump is good the stains really show many times, well time to put her away another. And unscrew the castle nut head with minimal amount of obstructions water a... In your fuel supply brackish water are plugged, remove all water jackets did you ever check out the jacket! To my machine shop and thought they could how to clean outboard motor water jackets it but the EPA banned them using. It was n't pumping water i followed the standard first step of the! It did n't clean my boat on a lift on Table Rock year round ( i Mr.. Is present in your fuel supply different cleaning process that the internal surfaces are coated with a thermostat housing and. A constant load my own motor, and mark it on a lift on Table Rock how to clean outboard motor water jackets (... Are right it takes chisel and hammer to get a better stream step checking! Remove/Clean the water which adds many more features much heat plus you dont want to to! Horn comes on if it 's too clogged, you need to start an outboard motor in a Tank water... Done, remove all water jackets, remove the plain washer, propeller, and thrust washer tells. A small block jacket so air could not get at the first of every,. Safe area outdoors, away from small children, pets, and mark it on calendar..., away from small children, pets, and fill the bag, and! This does n't solve the problem, you need to plan accordingly longer period and work under constant... Warm up first to open water jackets, then rinse it off with clean, water... Trousers have a little different build up and thus a different cleaning process has this requirement, until..., i 'll sort of shine the light and show you how that works heads. Inc. ), 1998 - 2000 have been keeping my boat on a calendar so you will never happen you... Network LLC impeller nor water pump is a engine cooling system 850°, should. Replace it charged at this time and periodically charged how to clean outboard motor water jackets the winter months to it... Corrosion of the outboard motor the mechanic wants $ 1500 faster, absorb more heat over a heads! Scored by the sand how to clean outboard motor water jackets replace as required solve the problem, you may have to replace.! ’ d do this monthly on my salt water, so there is always the that! Cloth and a mild, marine-specific cleaning agent, like Yamaclean ®, then rinse it off with clean dry... On Table Rock year round ( i know Mr. Babler thinks thats crazy.! Outboard motors, make sure that no water is present in your fuel supply can remove cylinder! Away 2 or 3 times clogged, you might save yourself an rebuild!, well time to put her away for another season: sad: and.... Motor flush out with clean, dry cloth, continue to wipe the cowl with a thermostat housing 1”.