how to clean outboard motor water jackets

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

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