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how to clean outboard motor water jackets

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

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