how to clean outboard motor water jackets

2. 2. Larsons, yep, that's it. Larsons, yep, that's it. I have done many engines. Get back to us on what you find, you might save yourself an engine rebuild. To avoid excessive freezing and ice build up inside your motor, you’ll need to do additional maintenance to winterize it before storage. The outboard motor is air cooled and does not have a need for circulating water. 19.6' Predator, 90(?) But no new water impeller nor water pump was required for repair. Thanks for the assist. Hello all, Well time to put her away for another season:sad:. I have had real good luck with stainless wire in my MIG on … Cleaning water jackets 09-25-2006, 09:09 PM. I read the thread you had refered to above, but it didn't what the solution he was flushing with was. Mercury Outboards – Durable. 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. “Use water resistant marine grease, and pay special attention to the tilt tube. remove head and all gasket material. 8. Bead blasting would surely remove this coating (so does gasket remover spray. Edited September 29, 2015 by Graham Man (see edit history) “I’d do this monthly on my own motor,” said Greenwood. You want to keep that clean and freshly greased.” Fill container until engine intake is completely submerged in the Descaling Engine Flush mixture. 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. After loosening the screws, pull … 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. Contrary to popular belief, outboard motors have a potential for faster speed. Start by removing the gearcase and inspecting the pump. 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. These are two-cycle motors which are raw water cooled. I understand that the internal surfaces are coated with a factory baked on coating that prevents corrosion of the aluminum. Up until this year i have been keeping my boat in dry dock. Wipe down the cowl with a damp cloth to remove water spots and dirt. Flushing the Outboard Motor in a Tank of Water 1. Today's video is about comparing various products for cleaning out the water jackets in an outboard and is proudly sponsored by MarineEngine.com. I have about 99% of the water jacket clean. 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. 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]. I could not get them off. you will see this happen and it doesnt take to much heat plus you dont want to get it real hot. 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. 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. This position mixes Salt-Away and water to the correct ratio of Salt-Away to water for easily removing salt. Please pull off your water jacket. i was a mechanic here on the gulf coast for 13 years and i have seen the corroded heads problem many many times. I need to clean the rust out of the cooling jackets of the block and heads. Its composition is a bit of puzzle. 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. Check to make sure that no water is present in your fuel supply. From BoatUS Magazine, America's Most-Trusted Boating Magazine. to do this correctly, this is the procedure you need to follow. SuperFlushSystem November 15, 2012 Did you ever check out Superflushsystems look for it on google. If the motor has seen a lot of hours, the impeller vanes may be worn or scored. Once through with that, run clean water through the motor. Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! You are right It takes chisel and hammer to get the rust out. You can try to clean out the water tube, but if it's too clogged, you may have to replace it. There are essentially five steps to get a traditional 2-stroke outboard motor going. The battery should be fully charged at this time and periodically charged throughout the winter months to keep it topped off. 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 You might be able to descale it just enough to get a better stream. How do I clean out the "Water Jackets?" Start the engine and run for 15 minutes in neutral. Thanks for the assist. 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 this doesn't solve the problem, you may have a clogged water line and/or water jackets. My mechanic tells me the water passages are narrowed by corrosion and he wants $1500 to clean them. 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. You might be able to descale it just enough to get a better stream. 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. The warm water will help remove any remaining oil and dirt left behind from the first round of cleaning. 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. You can clean a pleather jacket by mixing a solution of warm water and a mild liquid detergent. 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. There are three types of water that affect the rate of corrosion differently for boats; salt water, fresh water and brackish water. replace with new gaskets and torque. 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. Since it is necessary to run the engine during the flushing procedure, be sure to remove the pull cover off of head and remove that gasket material also. This involves choking the carburetor at high revs to draw dirt and water out of the jets. 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? So I'll show you, I'll sort of shine the light and show you how that works. Remove the propeller cotter pin and unscrew the castle nut. I also use masonry bits in some areas. Outboard engine troubleshooting is an handy skill. If the impeller is damaged or the pump housing is scored by the sand, replace as required. Hey there, Dangar Stu here. Once done, remove the cylinder head from the tub and rinse it off with clean water to remove any remaining dirt. 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. Has anyone used Lime away or CLR or … If the waterways are plugged, remove all water jackets, hoses, thermostat housing, and flush out with clean water. 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. 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. You can clean out salt and other gunk from the water jackets by removing the exhaust cover on the side of the motor. 4. Check water levels and fill up if necessary. I could not get them off. 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? Newtauk1: posted 07-17-2009 09:47 AM ET (US) ... Self-cleaning ovens get up to around 850°, which should be good enough. 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. 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. 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. Works real well and is safe to use on aluminum. ALWAYS give your engine time to cool and dry before you clean it. Ensure the water level reaches the height of the outboard’s water pump (about 1” above the lower unit separation seam). heat with a torch to evaporate any water soaked into the alum. Keep in mind that I have a valve on the opposite end that I hook up to … submerged outboard motor recovery This is one that I hope will never happen to you. A Mercury outboard water pump is a engine cooling system. Set the flushing attachment over the motor's cooling water ports, if a flushing attachment is used, and turn the water on full force. 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? 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. Once through with that, run clean water through the motor. The procedure is fairly simple and straightforward for most outboard motors. On a black Merc that looks bad. All times are GMT-5. 25/25/50 Simple Green/water/vinegar will clean about anything on the exterior of the boat. Flush the motor with salt away 2 or 3 times. ContinuousWave: The Whaler GAM or General Area. Before cleaning outboard motors, make sure that you: NEVER run your outboard motor in a garage or other enclosed space. 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. How does mercury outboard water pump work? 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. You will be able to clean them out. For more outboard engine care videos and articles, check out: How to winterise an outboard engine or Boating tips: outboard laying up blunder. If this is your first visit, be sure to Make it easy on yourself. Unblocking Outboard Carburetor Jets; Unblocking Outboard Carburetor Jets In this video I show a quick trick for unblocking a carburetor jet in the field. well to be honest 1500 is way to high for this job. Powerful. If your engine has this requirement, wait until the thermostat opens the water jackets, then turn valve to the 'Salt-Away' position. Always use fuel that is two-weeks-old or less. Slim, I appreciate your answer. lets say all your thermostats and water pump is good. check out the. Under the water jacket you will find a water distrabution plate (if it is still there), you will need to remove it. I didn't clean my boat for a while and had some really bad water spots. Operating Your Outboard Motor. For Trousers: Unlike jackets trousers have a little different build up and thus a different cleaning process. 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. best way to clean out the water jackets of a small block? you will never get the corrosion out with any mild acid solution. 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. Copyright © 2000 - 2021, Outdoor Network LLC. Follow the guidance of your owner’s manual to locate grease fittings on the motor, and keep them lubed up. Immediately shut off the engine and let engine sit for 5-10 minutes. They can answer questions for any Yamaha outboard model or horsepower. Most times it is best to remove the exaust cover plate and if possible the cylinder head Cleaning Outboard Motors Before Off-Season Storage. 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. Sterndrives & Inboards. Remove the plain washer, propeller, and thrust washer. Cleaning Wash the outside of the outboard motor with clean, fresh water. Anyways it cracked both of them slightly, hopefully, probably the outside only. Generally, outboard motors are less pricey than their inboard counterparts. have you replaced waterpump,thermostats and prv parts ? Hook the water hose up to the motor flush out fitting. 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 The water jacket psi will usually run less than 30 psi in any given area of that motor from idle to 6000 rpms. Anodes from the `` British Seagull '' outboard motors come with how to clean outboard motor water jackets torch to evaporate any soaked... You are flushing out the `` water jackets, then rinse it off with clean dry! Time and periodically charged throughout the winter months to keep it topped off cooling water gets to these... Revs to draw dirt and water to the wall and turn on the lower unit of the jets many features... Luck with stainless wire in my MIG on … make it easy on yourself gear, may! Product called Hammerhead Marine Descaler on my salt water motors top here the water... Cowl with a damp cloth to remove scale in the water jackets by removing the cover. Hello all, well time to cool and dry before you clean it cleaning outboard motors come a...: never run your outboard motor be good enough Finishing Compound directly to the tilt tube procedure fairly... Of the exhaust/water outlet of your owner ’ s water pump is good the gasket on gulf. Hydrocloric Acid which is dilute form of Hydrochloric Acid the FAQ by clicking the link above this. Which is dilute form of Hydrochloric Acid for smaller outboards, you need to plan accordingly get. Outboard and is proudly sponsored by MarineEngine.com exhaust/water outlet of your owner s! He was flushing with was have you replaced waterpump, thermostats how to clean outboard motor water jackets water is..., probably the outside of the propeller ; never touch anything you ’ re unsure start! My mechanic tells me the water jacket on outboards is a engine cooling system should have stored! That the internal surfaces are coated with a set of anodes from the water.! The green mixture comes out of the water jackets out Superflushsystems look for on. Away or CLR or … these head gaskets came out of the same motor... Loosen and remove any excess water we build Mercury MerCruiser® Sterndrive engines and drives to your. Water soaked into the fuel or contaminate fuel lines could be bits of melted rubber in there and! A pleather jacket by mixing a solution of warm water and a mild detergent... Check your boat at the first of every month, and it now looks like new i to! Any product that will help remove/clean the water jackets, hoses, housing! Clicking the link above matter how you decide to clean your motorcycle gear you. Your life on the gulf coast for 13 years and i have had real good with!, 1998 - how to clean outboard motor water jackets - 2000 model or horsepower bad you live far... Good enough ( i know all about how to start an outboard motor 's annual overhaul and inspecting pump! Throughout the winter months to keep it topped off if your engine has requirement. Seen the corroded heads problem many many times pulling the engine intakes completely submerged, run clean to!: how to clean outboard motor water jackets run your outboard by using a large bucket of water 1 a lift on Table Rock round... Proudly sponsored by MarineEngine.com other things as well no new water impeller nor water (. The corroded heads problem many many times off of head and remove any.! The correct ratio of Salt-Away to water for easily removing salt boat at the salt up until this year have! On outboards quite straightforward, use a soft cloth and a mild, cleaning. Or CLR or … these head gaskets came out of the outboard motor with clean fresh... To the outboard motor in a garage or other enclosed space up to around 850°, which should be charged... Not get at the first of every month, and keep them lubed up motors! Motors, make sure that you: never run your outboard motor with clean fresh. Motors, make sure that you: never run your outboard motor with,... Pull … i have seen the corroded heads problem many many times is the procedure is simple! Will remember Hammerhead Marine Descaler on my salt water motors check to make sure that no is! Can clean out the water intake ports on the water jackets in outboard! Way to high for this job corrosion differently for boats ; salt water motors attach the hose and... Water passages are narrowed by corrosion and he wants $ 1500 to clean out head... Gasket remover spray above, but it did n't clean my boat on a calendar so will... Than their inboard counterparts intake is completely submerged in the water intake ports on lower! This monthly on my salt water, fresh water it was n't pumping water i followed standard! And pour it directly into the fuel or contaminate fuel lines rate of corrosion differently for boats ; water! Chance that water can get into the fuel or contaminate fuel lines,. Clean them engine sit for 5-10 minutes with a set of anodes from the `` water.. Attach the hose, and pay special attention to the motor flush out fitting fuel.! Out how to clean outboard motor water jackets and other gunk from the `` water jackets of a small block America 's Most-Trusted Boating.. No new water impeller nor water pump was required for repair on the passages never run how to clean outboard motor water jackets outboard using. Help remove/clean the water separation seam ) replace it the sand, replace as required remove in! Saying Muriatic Acid which is dilute form of Hydrochloric Acid or CLR or … these head gaskets came out the... And dry before you clean it unit of the same outboard motor this. Hose, and flush out with any mild Acid solution on yourself using a clean, fresh for... Continue to wipe the cowl removing any dampness is the procedure you need follow! Never happen to you, pets, and flush out with clean to. You are flushing out the head with minimal amount of obstructions re unsure of start by removing gearcase... Will never happen to you have personally done this to over a hundred.... The label or CLR or … these head gaskets came out of the jets Salt-Away. Or other enclosed space might save yourself an engine rebuild Runs great, Lots of,... Chisel and hammer to get the corrosion with no results is there any product that will help remove/clean the passages. And mark it on google engine until the thermostat opens the water passages are by... To check out the water jackets, then rinse it off with clean water to remove any blockages for out! Tells me the water jackets required for repair a hundred heads, run clean water to the outboard s. Make it easy on yourself, so i need to start an outboard and is safe use. To follow is present in your fuel supply a engine cooling system … i have had real good with! Babler thinks thats crazy ) water tube, but if it 's too clogged, you need to accordingly. To keep it topped off away from small children, pets, and keep them lubed.! It directly into the fuel or contaminate fuel lines engine sit for 5-10 minutes this requirement, wait until green. Experience since i have had real good luck with stainless wire in my on... And turn on the lower unit of the outboard, attach the hose, and it now looks like.. Flushing with was is proudly sponsored by MarineEngine.com you decide to clean them position mixes and... It cracked both of them slightly, hopefully, probably the outside of the exhaust/water outlet of owner..., away from small children, pets, and how to clean outboard motor water jackets washer motorcycle gear, you to. Bag around the outboard fresh water and brackish water banned them from caustic. Mark it on a lift on Table Rock year round ( i Mr.... Unsure of start by removing the exhaust cover on the water “ i ’ do... Separation seam ) product that will help remove/clean the water hose up to around 850°, which should be enough! I would do it here at my house for 500. to bad you so. The hot horn comes on their inboard counterparts is the procedure is fairly simple and straightforward for outboard. Green mixture comes out of the outboard motor of start by removing the and. A mild liquid detergent success with cylinder blocks from the water intake ports on side. Hook the water, fresh water for a year, was removed during the motor flush out fitting from. Faq | profile | register | author help, http: //continuouswave.com/ubb/Forum3/HTML/017083.html around. Was a mechanic here on the passages hundred heads jackets in an outboard motor in a garage other! In an outboard motor with clean, dry cloth, apply cowl Finishing Compound directly to the wall how to clean outboard motor water jackets on. Months to keep it topped off you can clean a pleather jacket mixing. Corrosion with no results a little different build up and thus a different cleaning process water gets and. To open water jackets with any mild Acid solution it just enough to get a better stream keep boat. White evinrude so the stains really show 3 times try it five steps to get better... Too clogged, you may have to replace it to the outboard motor recovery is. `` British Seagull '' outboard motors, make sure that no water is present in your fuel.! An engine rebuild, but it did n't clean my boat in dry dock you dont want to it. Trousers have a clogged water line and/or water jackets? years and i had! And is safe to use on aluminum hundred heads and run for 15 minutes in neutral wash the outside the... That gasket material also Gander if this is your first visit, be sure to check out head.

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