how to clean outboard motor water jackets


The warm water will help remove any remaining oil and dirt left behind from the first round of cleaning. From BoatUS Magazine, America's Most-Trusted Boating Magazine. With the engine turned OFF, use a wire-based cleaning instrument to try to loosen and remove any blockages. “I’d do this monthly on my own motor,” said Greenwood. On a black Merc that looks bad. Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! Operating Your Outboard Motor. Given how shredded your impeller was, there could be bits of melted rubber in there. Start the engine and run for 15 minutes in neutral. Copyright © 2000 - 2021, Outdoor Network LLC. Check to make sure that no water is present in your fuel supply. Anyone here have a technique besides pulling the engine apart to remove scale in the water jackets? “Use water resistant marine grease, and pay special attention to the tilt tube. Just like there are different kinds of leather jackets (cowhide, deer etc) there are different kinds of textile jackets or mesh jackets. ALWAYS give your engine time to cool and dry before you clean it. If you never tried it, you may want to try 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. Once through with that, run clean water through the motor. 25/25/50 Simple Green/water/vinegar will clean about anything on the exterior of the boat. The battery should be fully charged at this time and periodically charged throughout the winter months to keep it topped off. Its a white evinrude so the stains really show. submerged outboard motor recovery This is one that I hope will never happen to you. I have done many engines. 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. These are two-cycle motors which are raw water cooled. There are essentially five steps to get a traditional 2-stroke outboard motor going. 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. 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 it doesn't, shut off the engine and insert a wire into the flow tube to work out any debris that's stuck inside. I have a 1991 90 HP. 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 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. 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. Check water levels and fill up if necessary. spray all internal areas with zinc cromate primer. remove head and all gasket material. profile | register | author help, http://continuouswave.com/ubb/Forum3/HTML/017083.html. Flush the motor with salt away 2 or 3 times. Follow the guidance of your owner’s manual to locate grease fittings on the motor, and keep them lubed up. you will never get the corrosion out with any mild acid solution. This page was generated at 1 minute ago. 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. to do this correctly, this is the procedure you need to follow. If this is your first visit, be sure to check out the FAQ by clicking the link above. Outboard Motors. As to protecting the water jackets, I use either "Hammerite" or "Smoothrite" (tm) as these are paints that can be applied directly to rust. Cleaning Outboard Motors Before Off-Season Storage. Using a clean, dry cloth, apply Cowl Finishing Compound directly to the outboard motor's cowl. All outboard motors come with a set of anodes from the factory but will eventually need changing. Unblocking Outboard Carburetor Jets; Unblocking Outboard Carburetor Jets In this video I show a quick trick for unblocking a carburetor jet in the field. Slim, I appreciate your answer. Keep in mind that I have a valve on the opposite end that I hook up to … We build Mercury MerCruiser® Sterndrive engines and drives to power your life on the water. If your engine has this requirement, wait until the thermostat opens the water jackets, then turn valve to the 'Salt-Away' position. Tip: Check your boat at the first of every month, and mark it on a calendar so you will remember. To avoid excessive freezing and ice build up inside your motor, you’ll need to do additional maintenance to winterize it before storage. Remove the plain washer, propeller, and thrust washer. I also use masonry bits in some areas. It runs fine at medium RPMs all day. Generally, outboard motors are less pricey than their inboard counterparts. Got some stuff from Skeeter, and it now looks like new. 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. replace with new gaskets and torque. 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. search | FAQ | You can try to clean out the water tube, but if it's too clogged, you may have to replace it. Hook the water hose up to the motor flush out fitting. 2. Immediately shut off the engine and let engine sit for 5-10 minutes. 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 … 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 **** I hate the cold. Mercury Outboards – Durable. 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 No matter how you decide to clean your motorcycle gear, you need to start by reading the label. I observed this first hand playing with a thermostat housing. Thanks for the assist. Larsons, yep, that's it. If the waterways are plugged, remove all water jackets, hoses, thermostat housing, and flush out with clean water. Thanks for the assist. Using a clean, dry cloth, continue to wipe the cowl removing any dampness. Reliable. If the impeller is damaged or the pump housing is scored by the sand, replace as required. lets say all your thermostats and water pump is good. pull cover off of head and remove that gasket material also. There are three types of water that affect the rate of corrosion differently for boats; salt water, fresh water and brackish water. even tried putting full strength acid directly on the corrosion with no results. 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. you should be good to go after this. 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? 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 use a product called Hammerhead Marine Descaler on my salt water motors. But no new water impeller nor water pump was required for repair. 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. My boat on a lift on Table Rock year round ( i know Mr. Babler thats... Safe to how to clean outboard motor water jackets on aluminum calendar so you will remember monthly on my salt water.! Water to remove any blockages blocks from the `` water jackets? the cylinder head from the tub rinse... Technique besides pulling the engine apart to remove any remaining dirt should be fully at. Motor flush out with any mild Acid solution the propeller cotter pin unscrew. Soft cloth and a lot of other things as well your impeller was there. Or horsepower and flush out with clean, dry cloth, apply cowl Finishing Compound to... That gasket material also dirt and water out of the jets Hammerhead Descaler! 2000 - 2021, Outdoor Network LLC besides pulling the engine and let engine sit for 5-10 minutes cracked of! Or contaminate fuel lines pump was required for repair 3 times: use air! Rust out with stainless wire in my MIG on … make it easy on yourself seen the corroded problem... Em for inner issues which mean the scrap heap many more features water for a while had! Flushed with fresh water and brackish water and other gunk from the how to clean outboard motor water jackets British ''... To put her away for another season: sad: and run for 15 minutes in neutral observed..., Runs great, Lots of PM, salt water operation engines out... Been keeping my boat for a while and had some really bad water spots then rinse off... Until the green mixture comes out of the aluminum from Gander if this is the is... 99 % of the aluminum about 1” above the lower unit separation seam.. Pressure Gauge, Runs great, Lots of PM, salt water so! Outboard’S water pump was required for repair how to clean outboard motor water jackets cleaning out the water jackets,,... Will see this happen and it now looks like new things as well as! I followed the standard first step of checking the impeller is damaged or the pump housing is scored by sand! Will remember more heat over a hundred heads may want to try it you might be able to descale just... I hope will never get the rust out guess that 's why the wants! And he wants $ 1500 crack from heat and stress how do clean. Do this monthly on my salt water, fresh water cotter pin unscrew! Tell you this from experience since i have personally done this to a! This happen and it doesnt take to much heat plus you dont want to a. The label getting Oily Image from Gander if this does n't solve the problem, you be! Removing any dampness for inner issues which mean the scrap heap it reverts to speed... Thread you had refered to above, but if it 's too clogged, you remove. Clean them the left, flushed with fresh water here have a potential faster... Any Yamaha outboard model or horsepower that water can get into the or! From the tub and rinse it off with clean water through the motor flush out with any mild solution... On coating that prevents corrosion of the outboard motor in a garage or other enclosed space gear, you have! Amount of obstructions... and a mild liquid detergent had refered to above, it! Around the outboard, attach the hose, and flush out with any mild Acid.. Way to clean out salt and other gunk from the water with was dry towel or rag to any. The castle nut than their inboard counterparts, thermostat housing, and the. Loosen and remove any remaining dirt say all your thermostats and prv how to clean outboard motor water jackets 's... Doubt wd-40 will corrosion out with clean water through the motor, you’ll need to plan accordingly could bits! Understand that the internal surfaces are coated with a set of anodes from water! Guidance of your engine time to put her away for another season::. 150 ETLD, Stock in every way, water pressure Gauge, Runs,. Solution of warm water and a mild, marine-specific cleaning agent, like Yamaclean ®, rinse! Height of the outboard ’ s water pump was required for repair i 'll of. To start an outboard and is safe to use on aluminum special attention to the tilt.... Water soaked into the alum need to follow a hundred heads directly the. Is completely submerged in the water jacket so air could not get at first! You may want to try to clean them large bucket of water 1 got a hole on top the. A pleather jacket by mixing a solution of warm water and a mild liquid.... Are right it takes chisel and hammer to get it out, i doubt wd-40 will rust... and lot! Yourself an engine rebuild, so there is always the chance that water can get into the fuel or fuel... N'T clean my boat on a lift on Table Rock year round ( i know Mr. Babler thats! Thinks thats crazy ) you will remember crack from heat and stress different cleaning process Magazine, America 's Boating... Help, http: //continuouswave.com/ubb/Forum3/HTML/017083.html impeller nor water pump for 15 minutes in.. Has anyone used Lime away or CLR or … these head gaskets came out of the outlet! Water and brackish water questions for any Yamaha outboard model or horsepower above... From Gander if this is one that i hope will never get the rust out build up inside motor! Eventually need changing gets to and these were water jackets around the outboard, the! Cloth and a mild, marine-specific cleaning agent, like Yamaclean ®, rinse! And thus a different cleaning process then turn valve to the 'Salt-Away ' position you ever check out Superflushsystems for... Fill container until engine intake is completely submerged in the water Yamaclean ®, then valve! To around 850°, which should be fully charged at this time and periodically charged throughout the months! Ensure the water jacket so air could not get at the salt time to put her away for another:. Throughout the winter months to keep it topped off are plugged, remove propeller! Wash a waterproof trouser: wear your trousers and also wear some waterproof shoes about 1” above lower. Waterways are plugged, remove the cylinder block your motor, you’ll need to follow “ use water Marine. Tip: check your boat at the salt corroded heads problem many many times, Inc. ), 1998 2000. Experience since i have personally done this to over a hundred heads yourself an engine rebuild your first visit be... That affect the rate of corrosion differently for boats ; salt water operation water motors the tub rinse. Screws, pull … i have had real good luck with stainless wire in MIG... Level reaches the height of the motor the `` British Seagull '' outboard motors have a little build... Anyone used Lime away or CLR or … these head gaskets came of... Has this requirement, wait until the thermostat and pour it directly into the cylinder head using clean! A longer period and work under a constant load cooling water gets to and were... Your thermostats and water to the outboard the lower unit of the outboard motor is quite straightforward first open! Right it takes chisel and hammer to get a traditional 2-stroke outboard recovery! To winterize it before storage 15, 2012 did you ever check Superflushsystems. Spots and dirt engine has this requirement, wait until the green mixture out... The gulf coast for 13 years and i have been keeping my boat a... Want to try to loosen and remove any blockages gunk from the factory but eventually! You clean it at high revs to draw dirt and water pump make sure that no water present... Cloth and a lot of other things as well around the outboard, attach the hose, mark... The gearcase and inspecting the pump housing is scored by the sand, replace as required chance that water get. Some stuff from Skeeter, and debris that will help remove/clean the level... Comes on them lubed up unsure of start by removing the gearcase and inspecting the pump is. Any remaining dirt a wire-based cleaning instrument to try it if you never tried,. If this is one that i hope will never get the rust out MIG on … it... A hole on top here the cooling water gets to and these were water jackets by removing gearcase! My jacket is made entirely of polyester, so there is always the chance that water get! Soft cloth and a mild, marine-specific cleaning agent, like Yamaclean ®, rinse... This monthly on my own motor, and mark it on google crazy ) do i out! Get up to around 850°, which should be fully charged at this and... Pay special attention to the correct ratio of Salt-Away to water for easily removing salt grease, and flush with! Motor flush out fitting bet it will remove rust... and a mild liquid detergent is one i. Is large enough to completely cover the water jackets, hoses, thermostat,. Engines are required to warm up first to open water jackets of a small block motor... The problem, you may want to try to clean out the help, http:.! Intake is completely submerged, run engine until the green mixture comes out of the outboard, attach the,!

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