Water Flow on a Outboard
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- เผยแพร่เมื่อ 8 ก.ค. 2024
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This is a video of the path the water takes to cool a outboard engine. A lot of outboard engine run hot. I hope this will show what to look for to fix the problem. The water flow on a outboard is very important to the life of the engine.
Loved that extra tidbit about the rings/blow-by/compression loss.
Excellent, easy to follow video.
Many thanks!
Glad it was helpful! Thanks for commenting. Stay Safe.
Awesome video man you explained that so clearly and well that its at the top of my list for best educational video Ive watched ever . You never deviated from the topic once and explained everything so calm and clearly . IAM sitting here with the clymer Evinrude/Johnson shop manual on my lap trying to find out what goes on behind the exhaust plate and can't find anything so googled it an your video came up top of list and that's were it should stay forever you should be very proud of it mate . Top work and thank you for providing it mate I'll definitely be showing it to others and watching all your other videos. A big Cheers from Duncan in Port Broughton South Australia take care mate 👍✌️
This is AWESOME!!! Just what we newbies need to know about old engines, so clear and such a great help. Thanks!
Glad it was helpful!
I have spent the last two weeks trying to make my engine, which is just like yours, cool. After replacing the waterpump today, I found your video which will lead me to my next step in the diagnosis. Thank you so much for posting this
Happy to help and thanks for watching.
Excellent. Thank you for very clear and detailed descriptions and pics. I've replaced impeller, thermostat, blown air thru pee hole, up water tube from lower unit, and dropped lower unit off my 2003 Honda 9.9 5 times trying to solve no water out tell tale hole. Your video gives me some ideas of where to find clog.
Thanks OM for the video it was complete an straight to the point 👍🏽
Very helpful - I've never seen an outboard cooling water path - thanks!
Happy to help. Thanks for watching and commenting.
Thank you, this was VERY helpful!
Happy it helped. Thanks for watching and commenting.
Very educational and you're a great teacher thanks for the help keep up the good work
Thanks for the kind words, stay safe and keep watching and commenting!!
Very very helpful! Thank you🤙🏼🤙🏼
Thank you for the good info. I am new to boat engines trying to learn something about the one I just bought.
Happy to help. Keep watching and Stay Safe.
Great demonstration. Helped me enormously
Thank you for the kinds words and thanks for commenting!
Thanks! I'm learning a lot from your videos.
Thanks for watching and stay safe.
Thanks so much Very Kind Sir for your patience and clarity in your explanation. Super helpful.
Glad it was helpful! Thank you for commenting.
Wow! I broke down on the lake 6 miles from the ramp with the wind at my back. I had to be towed in by 3 guys in a 24ft fishing boat. I diagnosed the charge coil and when I finally got the flywheel off my 1986 30 HP Evinrude the dreadful black ooze was there. Parts on order I suspected the thermostat and discovered the clogged up water jacket on the head. Now I see I have another water jacket I need to remove and clean out physically. Thank you so much for the video and explicit information. I may try to use "Rydlyme" if I can figure out how to do it. LOL Leg off and thermostat out and get another gasket for the head water jacket. Thanks again for a great video.
😃
I may have a clogged jacket, too, on my 1994 E30ELERM. After an impeller and thermostat replacement, my tell tale is only peeing out hot air. Considering doing a smoke test now that
I have the exhaust cover off. Thoughts? I should also re-verify that my water tube is properly aligned.
Welp this certainly helped. Thank you sir
Thank you that helps!
Thank you for this video.
Very Helpful. Thanks!
Thanks for watching and commenting!!! Stay Well.
Thank you so much for sharing this.
Happy to help thanks for commenting.
That was super helpful!!! Thank you!
You're so welcome! and thanks for commenting.
Good job- Thanks
Great help
I have Johnson 90hp I took it to a Outboard mechanic spent thousands of dollars and it still overheated he changed the Water pump Thermostat and the head gasket but still Overheated I had the same issue of Overheating with my other outboards and I went through the same process which they changed the same stuff but still overheated after watching this video it finally fixed the problem saved me so much money,. THANKS VERY MUCH!!!!
I am happy it help. Thanks for watching and commenting.
Great info right here thank you!
Happy to help. Thanks for commenting!
Excellent! Thank you!
Thanks for watching and commenting.
Thank you sir, very informative. I have a 2002 2 stroke 90hp Yamaha that isn't moving as much water as I think it should. I know it was primarily used in saltwater and very shallow saltwater at that. It was flushed every time with fresh water, but I think it needs to be de-scaled. Your video helped me to understand what's going on in my motor. I'll remove the t-stat and pump impeller and set it up for a continual flush of a de-scaler to see if I can't clean out a lot of those deposits. Thanks again.
Let me know if the de-scale works for you. I though mind could use it, I was looking to see why mine was not reaching operating temperature.
It made a huge difference. My tattletale was barely dribbling even after I put in a new water pump. I flushed her for about 6 hours using a mixture of Simple Green Lime Descaler and water. After I dropped the lower unit, I rigged up a cheap fountain pump in a big wash tub and set it under the outboard. I hooked the output of the fountain pump to pipe that the water pump connects to using clear plastic 1/2 ID tubing. When I powered the pump up it forced this mixture through the whole water jacket and back out the bottom of the motor. The wash tub caught it all and just kept it recirculating. There was a ton of crap in the bottom of the wash tub when I got done. BUT, the proof was how she peed when I was done. Before there was barely a dribble out of the tattletale, now, she flows like I would expect. I actually have videos of before and after the flush. Just no way to attach them to this reply.
I put in a new thermostat after I was done flushing the motor.
Thanks again for the video and the inspiration, though to be fair, I think regular old vinegar would have been just as effective as a flush media and a lot cheaper than the Simple Green. Just wouldn't have smelled as good.
Before 6 hour flush
th-cam.com/video/k3Raum7f2P8/w-d-xo.html
After 6 hour flush
th-cam.com/video/MRSAQ1dwOMk/w-d-xo.html
Made a huge difference!
Thank you man, these are good informations
Glad you like them!
Great video, it steer my suspicions toward the exhaust cover and it's gaskets. My Chrysler 15hp was overheating and water from the back of the motor stopped flowing with increase of rpms. The gases from exhaust pushed cooling water from the passages because of blown gaskets. Some people suggested that it's caused by new water pump impeller which had less fingers(six) versus old ones having ten but I thing it's bad gaskets
I think you are on the right track now. Make sure all the passages are clear. Stay Safe.
Thanks I have been chasing an high temp alarm on my Yamaha this is my next step.
What did you find? I'm running out of ideas
@@MantoMayer it was an oil strainer on the oil tank. It was clogged and since my tachometer was glassed over I thought that it was an alarm.
Thanks for the video! I’ve got a Yamaha 15hp that has a weak tell tale stream and occasionally stops peeing for a few moments. I’ve replaced the impeller/water pump and the thermostat and tried running line through the cooling hoses. I think I’ll have to dig further into the engine looking for debris. Thanks from the Christina River!
Be sure and let me know what you find. Stay safe.
Great info buddy thankyou
Thanks for watching and commenting!!
Thanks !! very educational!!
Happy to help. Thanks for commenting and Stay Safe.
Thanks for the video iv'e been having problems with water circulation on my 25hp johnson
Happy to help! Thanks for watching and commenting!!!
That is wonderful thank you!
Glad you liked it! Thanks for commenting.
Thanks much for your efforts in making this available..
Simple and to the point.. d:^)
You're very welcome!
Great vid sir!!!
Thank you and thanks for watching!!
very helpful got water flowing thanks
Glad it helped, Stay Safe.
Interesting content. Thanks.
Thanks for watching and commenting. Stay Safe!
great job , ty
Very good info, it’s extremely hard to tell even from the factory service manual where the cooling water travels
That is what I though, so I made a video of the water flow through the engine. Thanks for watching and Stay Safe!!
Thank you for your excellent explanation of how the water flows. I probably need to take off my cover and clean the crud off/out but I don't see how I can get the bottom bolt out. The cover that you show looks like mine. I have a 55hp Yamaha. If mine is similar to the one you show, please tell me how to remove the bottom bolt. Thank you again and have a great and blessed evening.
Excellent!
Glad you liked it! Thanks for watching and commenting!!
Thanks clear description…
Glad it helped. Thanks for commenting and watching.
Thanks
Thanks for share!!!
Happy to help stay safe.
Good content 👌 👏
Thank you 🙌
Good stuff sir. Having some issues where not water is getting into the head. Going to open up that side plate
Be sure and let me know what you find. Thanks for watching.
How it works video, 10+ awesome presentation, Thanks
Thanks for the kind words. Keep watching and commenting. Stay Safe!
That has been one of my bench projects for a while that has`nt got going yet. waterpump went out on river but did`nt seem to overheat badly , So I took it home and when I opened it up it still had pressure in the lower unit and new oil. but when I changed the water pump out and started it it went and filled the lower unit with water and gases , but the lower still held pressure for over 24 hrs. now I need to teardown an find the reason for this , This was my favorite motor ran like a brandnew motor and had the lighting and charging coil in it and the main reason I wanted it it was one of the models that by changing a part it would jump from 6 hp 8 hp. But alas it may never get done.
Thank you sir I have a 60 hp Johnson I'll change the thermostat & impeller and the motor getting hot very fast end no water comes from the water pump but I found the problem a little piece of the impeller stoked on the copper tube
I just got a Johnson 25 and my teltail blows steam. Iv replaced my pump and I’m about to put in a new thermostat. Should I take off the exhaust cover and see if it’s clogged or no? I don’t wanna risk snapping bolts off.
How do you take that cover off, I can’t find any bolts in mine and I change the water pump impeller and still have no water coming out
Great video! I am a new outboard DIYer. Been having overheating and no water out the tell-tale on a 1997 Johnson 25HP Outboard. I run in fresh water. Replaced the water pump and thermostat and still nothing. THIS video will help me further diagnose my problem. If the blockage is not there, what would be the next step to fix this problem? Your videos have helped me greatly going this far. THANKS
Any luck on figuring this out? Just replaced water pump & have thermostat on order.
Should I pop the exhaust manifold off to check impeller pressure on an unknown out board history.
Good day very good explanation. I’m working on a 1973 Mercury 500 50 HP I started the engine after several years of it sitting. I initially got water out of the telltale then started it again and no water. Changed the impeller still no water, pulled the pipe plug out of the water jacket at the head lots of water came out. Checked the telltale hose no blockages. I suspect the blockage to be in water jacket somewhere near the telltale outlet? Any thought’s? Thanks
knowledgable youngman
Thank You Stay Safe.
That was interesting.I think when boat owners do not fresh water rinse inside the outboard motor then salt water overtime seriously messes up the cooling system in the engine.
I didn't think this one look to bad. 95% of its life has been used in salt water.
Here's what gets me, salt is highly soluble in fresh water. A simple flush of fresh water after you've been in the salt water should dissolve all of the salt in your motor. You ever taste the water coming out of your pisser while you are flushing with fresh water? It's as fresh as the water going in.
I think what most guys are seeing when they tear into their saltwater motors is lime, sand, shells and other mineral deposits. I recently flushed my motor using a fountain pump and a lime descaler. It knocked a lot of stuff out of my motor and made a huge difference in the amount of water that came out of the pisser. Pretty sure vinegar on a continuous flush would do the same thing.
So if there is an exhaust leak in that’s system it could possibly cause the engine to overheat?
Mariner 50 1994 I have pee hole flow but nothing circulating around the head. Thermo cover is off, dry as a bone?
I replaced the water pump on my 20hp 89 but no water is coming out just air can i run it with that plate off
good video thks
Thanks for watching and commenting. Stay Safe!!
Cool videos thanks 👍
Thanks for watching and commenting Stay Safe!
@@OmFishing Would you know how the waterflow works/ flow path it follows on a 10hp chrysler . Pull start ? I ran water muffs and i'm sure the water should at least come up to the mid section . i cant see a water outlet at the top as on my yamaha. Im busy opening up to look at the water pump . Do you know if the modern unleaded fuel will burn the pistons due to it running too hot ? Would you know what the points gap should be set and what is the best grease to use on the cam where the points run
@@133air5 I don't know about the chrysler water flow. I will say that most all outboard use the same cooling method. I run the unleaded fuel in my older outboards and never have I found burned pistons from unleaded fuel when tearing them down. If you don't know the setting I would set mine to .020 that would cover most outboards. I use evinrude triple guard grease on my motors.
@@OmFishing Thanks for letting me know .
Thanks for the information. The water is always coming out my telltale drain cold. I thought there might be something wrong with my thermostat but your video indicates that the drain is before the thermostat and not after. Is there a way to check if my 1987 Johnson outboard model # j20cro is running at proper temperature? I am running in a cold fresh water (lake superior). I am able to put my hand on the engine block and it only feels warm even after a couple hours of run time. I have checked after high speeds with little change. I do a lot of trolling speeds(2 mph).
The water coming out of the tell tale drain after running for a while should at least be a little warm. If that was my engine I would ether check the thermostat or replace it. Proper engine operating temperature the engine burns fuel and runs better. You can get build up on the in side of the engine running it to cold. They do make a Thermomelt stik that heat sensitive marker that melts on contact with a surface of a specific temperature. You put that on the top cyclinder head. Your inlet water temperature has to be around 70. Some people will take a digital pyrometer and check the head temperature after a test run of 3000 rpm for five minutes. The temperature should be around 140. There are different test for different temperature. That is a lot of testing for hot spots. So to answer your question ether take your thermostat out and check to see if it is opening and closing or just replace it. Stay Safe.
thanks for the info. what is my problem if no water comes out of that upper port, i just changed the water pump.
When you say that no water. do you mean that at the end of the hose or at the block? If it is at the block the water is not getting there. I would check that the tube is in the right place. When you put the lower unit back on did you put the water tube in the upper port first and then line up the bottom, I do it the other way most of the time. I have be told that you take the chance of missing the top port with the tube putting the bottom in first then trying to line up the top. Their is no easy answer but to retrace you steps.
Very informative vid. I know getting those exhaust jacket cover plates off is not a small task. On a 1994 merc 9.9, should I also be getting some water spraying from the two exhaust holes? (the external ones a few inches below the powerhead). thanks, tom
My 25 hp merc sprays water out the holes a few inches from the power head. Thanks for watching.
Ive 35 hp johnson , ive good flow from the tube ,but little flow from the two holes in exhaust housing also after less than 3 minutes of running the thermostate housing plate get so hot
Thank you sir! Could a bad water jacket gasket or exhaust manifold gasket cause some water in one cylinder on a 1985 v4 90 Evinrude? Head gasket looked ok no cracks in cylinder wall. It wasnt alot of foam. Water jacket gasket was grainy white almost like sand clogged. Fresh water.
I think the water jacket gasket could let some water back through the exhaust port. I don't think it would when it is running, but after it was shut off. When I removed mine it look the same way. Like it was penetrated with salt or something. Let me know how it runs for you when your done. Stay Healthy.
I have the same motor half of my spark plug is clean the other half is black. What does that mean? Also if it’s water, what do I do to fix it?
hey Om Fishing i really like your vids. Are u sure that the water is supposed to exit from the prop isnt it supposed to exit from the upper exhoust???
On the 20 to 30 Hp the water exits through the prop. On the 9.9 to 15 it exits through the upper exhaust port.
I have a 15 that shoots warm water out of the top as it should, however the water coming out of the lower port is pretty hot. Not sure if that is a problem.
This videos is very informative thank you… I’ll check all that out little by little… I have a 90 suzuki dt30c no water from tale tell.. I changed the impeller and made sure the pick up tube is connected I get water for 20 seconds then it stops and feels like exhaust is coming out.. I removed the thermostat and ran in a bucket and it can run like that 10 minutes no problem weather gushing from take tell and thermostat housing.. as soon as I put the thermostat on it’s stops.. also with the water that gushes out the thermostat housing I can see exhaust fumes.. idk what else it can be maybe the head gasket? I checked for compression and getting 125 on all cylinders.. also took out the lower end and put water up the tube and the tale tell works fine.. is as if exhaust is mixing in the cooling system and not allowing water to make it up the head… any advice please
I'm having a similar issue with my 86 mercury 135
@@jeremypavlock4337 I removed the whole
Motor to replace every single gasket and seal… I found what looks like black carbon residue in what’s supposed to be a water jacket under the power head I suspect exhaust is going into my cooling water and not allowing the water to make it up to the head or down the pee hole.. I get all my parts on Wednesday I’ll let you know how it comes out.. but for now I think it’s that seal we’re the exhaust tube connects seems like it’s leaking exhaust therefore
Hello, I have an older 2 stroke 5HP merc Mariner outboard. The water coming out of the small tube on the back the engine was not a great stream. I squeezed the tube to see if it was clogged and it came out. Now the engine produces strong stream directly from the hole, but it is basically cool water, like no temp what so ever. Is that bad to be pushing that much water through the engine? If I block the hole partial with my finger the water temp increases. Should I be concerned and n ot run the engine
I would not be to concerned about to much water. Most problems come from over heating. My engine has a thermostat in side to keep it at operating temperature I did look at the break down of a 5hp merc I did not see a thermostat on the break down I was looking at. I think it would be better to run a little cool than to hot.
I have a 1972 Mercury 650E 3 cyl. I have a water oil whitish foamy liquid coming out the upper starboard engine mount. I removed the power head and exhaust plate from the middle section drive shaft housing. There was only a little water near the engine mount. I have a few questions. Is it normal to have water below the exhaust plate? Where does the cooling water get expelled from the power head? Does the water drain down around the exhaust tube down and through the prop? Today I plan to remove the exhaust plate to make sure that the gasket is not leaking water to below the exhaust plate and onto the engine mount. I plan to replace the upper engine mounts or packing U cup if the mounts look OK or both. Is it normal to have some water mix with exhaust causing the whitish foam to come out somewhere? I also plan to replace the water pump impeller since I found a few bits of rubber in the port just below the elbow pee vent on the port side of the engine. Your guidance and comments are greatly appreciated.
I don't have that much experience with the Mercury 65hp to be able to help you out on this one. Sorry
Coworker has a 40 horse evenrude spitting water out the front through a hole after running a few minutes where does it fit in to the circulation?
I would need the model and year and know what hole the water is coming out of to help you my friend. It could be just leaking when the thermostat is opening. The exhaust cover has a hole in the top with a elbow and a hose. That is the overboard indicator. Water will run from there.
I have a motor Force 85 hp, 1989 year. From the cooling tubes I have an exhaust, at the top of the motor, is this supposed to be that way?
I have not had that much experience with the force motor so I am not sure.
Had someone steel my 9.5 Evenrude. I have three old outboards I am working on to replace it. Your videos have helped me more than once. Thank you. Is that rooster still alive?
Yes he is and just as mean as ever. I don't know why I have put up with him for so long. Maybe because he keeps thing in prospective even is someone is ten times taller than you don't back down.
Your videos continue to help me. I like how your thumbnails show loud and clear what the video is about. I’m waiting on parts for two of the motors I’m working on. The lower foot(?) was cracked on third motor (65 Evenrude short shaft) and is at machine shop to be welded. Wish me luck and thanks for responding! Keep up the good work!!!!!
Good morning.. I have a 1975 70 horse Johnson with no telltale on it. I’m using ear muffs, starts and runs great but haven’t run it long because I don’t see water coming from exhaust holes. Is this normal? How can I tell if the impeller is pumping. Thanks
It does not sound like the impeller is pumping to me. If it were mine I would pull the lower unit and check.
good video. What about a bit of water coming out of the exhaust? I've got an 09 yamaha 25hp. Other vids on YT show water coming out of the exhaust as well so maybe it's normal operation? Would appreciate your take on it
I think your good. Most outboard do that.
Do you have a video on how get to the water pump tube on the motor
I looked though my videos and did not see one showing how to put the water tube in the grommet on the bottom of the engine. I put the tube on the engine and line up the bottom when I put the lower unit on. This way you can shine a light up there to see when you are lined up.
Hi, is there a compression release hole somewhere around in there? My 25hp is very hard to pull start and someone told me there is a release hole somewhere, but I cannot find it.
Not that I know of. I have not found one.
What about a 9.5 johnson lower end is hard lower end. Have the impeller to find water got inside and won't shift out of drive i.e wont go into reverse? Mqs11c 65' any recommendations? David
Check out my video on the evinrude 9.9. th-cam.com/video/FRic6hSqWOM/w-d-xo.html
Very well explained time for a new set of rings and a couple cylinders honed now huh 🔧Next time if you want to know if it's salt take a taste 🤓
I think that is a good idea. If I find the right motor I will do new rings. You know I wanted to taste that white stuff to see if it were salt. I just could not bring my self to it. Maybe next time. LOL
@@OmFishing That white material is probably calcium carbonate assuming the engine was run insult water. YU can circulate Rydlyme, Hammer head or similar product to dissolve the carbonate and improve cooling water flow.
@@dannynone2784 Thanks for sharing the information.
The water jackets always fill the engine unlike how youre tellinh it. The thernostat doesnt stop water entering the cylinder jackets it stops circulation. What you saw on the cylinders wasnt blowby as you claimed its just hot exhaust gases that get pushed out of the engine that the side of the cylinder is exposed to as they are expelled.
can I use compressed air to clear blockage without doing any damage?
I would not think it would be a good idea, because of the water pump and thermostat might get pieces of scale in them. Thanks for commenting and Stay Safe!!
love all your Videos man, thanks, i just bought the motor an i installed a new impeller maybe thats the problem ??
On a Suzuki DT30C with the water hose attached to the inlet tube , I have good amount of water coming out of tell tail and also the exhaust port.
While the motor is running at a faster rpms I do have water coming out of the exhaust port and the Tell Tail but Tell Tail water is scorching hot, and will burn you WHY? Is the water not being cooled while around the pistons ???
if the motor is running at an idle the Tell Tail is not peeing,,
im about lost..... any advice ??
I would check the thermostat. My yamaha runs a lot hotter on the hose than in a tank. I would check it at the lake or in a tank first to see if it still gets hot. Before going to far.
@@OmFishing I tried it on muffs and also i cut a 55 gallon drum down an used it also.. no change.. There is No thermostat in it.. Sorry forgot to mention that! thanks for the reply bud
Hi buddy ! really like the videos . I just got a 1985 9.9 evinrude electric start . The tell tale drips kind of alot but not a stream and it doesnt blow mist out of the rear exhaust hole . It has seen saltwater . I am going to check the THE THERMOSTAT it seems like the cooling system is dirty since I put it in my test tank that was clean and it has dirtied it up since I put it in the other day . I have started it 5-7 times and run it a bit hoping the system may clean out and then stop it after it gets hot . Going to buy a new themostat and I need a gasket I guess , is that the head gasket ? Am thinking about taking it out and running it without one to flush the system then putting new one in . Also is it possible my tell tale elbow could be clogged ? the elbow is covered in black dryed goup and has a white fabric underneath . Thhinking I should remove and inspect the elbow for blockage Also starts without choke but if choke is applied will not start . Has new plugs and supposedly a new impeller
Joe, Some how I have miss your Question to me about your 1985 9.9 Evinrude did you get it fixed?
Can you flush the system without taking everything apart
Also I’ve read that the thermostat has to open before much water will come out but I haven’t run it long enough to let thermostat open. Any idea how long it should run before it opens?
Check out my video Evinrude 25 Thermostat. It does not take very long as you can see on the video.
th-cam.com/video/kMWaAgWUBfU/w-d-xo.html
Could you set up a trash can and run a product like crl to beak up the deposits while the motor is running?
I have never done it. I have heard of it being done with good results.
How long should the motor be running before water comes out of the top? I replaced the pump, had the motor running for about 10 seconds but didn’t see any water so I shut it down
I don't know that I have ever seen a time on that but, remember that the rubber impeller is spinning in the impeller housing. That is way they say lightly grease the impeller cup. I am sure the grease is gone after the first time out on the lake. I try to have a good supply of water going to the motor before I start it. I am like you we know that the impeller is spinning and getting hot. In a short time it will be trashed. The last motor I worked on it would not suck water out of the tank but It would if I primed it with the muffs. Than it would start pumping out of the tank. I would say no more than ten seconds be fore shutting the motor off. I would make sure the water is higher than the pump or use the muffs and see how it does. Let us know how you make out with this. Stay safe!!
What is the wire with black rubber insulator in head? You got a shot of it with water plate on and off! Mine is falling apart, easier to find if name is known! Good explanation of water system Thanks
That is the Temperature switch for my motor the part number is 0583815. Thanks for watching and commenting.
That was clear as mud.
Thanks for watching!!!
I have force 120hp when I open the exhaust cover I see milky color, do u think is the exhaust gasket? I did replace the head gasket.
Milky color is usually oil and water. replacing the gasket should fix it. Thanks for watching and stay safe.
I have an early 80s evinrude 7.5hp. Have just replaced impeller and now i have exhaust coming out the tell tale and water only comes out when u rev it up. Any ideas mate. Thanks in advance
My first educated quess would be the Water tube grommet is letting the exhaust leak by. On the top of the water tube the is a water tube retainer and on the bottom there is a water tube grommet. I think one of them is not in the right place or needs replaced. Hope this helps!
Can you replace those gaskets? Im Thinking of doing it on mine even though I only run through freshwater.
Yes both are available on boatnet, that is where I ordered mine. $3.87 for one and $5.63 for the other. They are not a sponsor that is just were I buy my replacement parts.
kelmm568 m
What gasket sealer do you use?
I just used permatex gasket maker.
Gotta clean the piston /ring grooves out, the rings are stuck from excessive carbon deposit buildup inside the piston ring grooves. ( Note at 4:30 the rings aren't wiggling up &down a teeny bit w/hardly any play inside the grooves of the pistons, while hand cranking it, jerking back' n' forth or if you push each of the 3 rings with a small screw driver carefully to check if the rings are loose springing in and out of each grooves without any sticking going on). Well thats why the cylinders gonna be thrashed if You keep running it like that resulting in loss of compression. Might as well tear it apart and clean it up, replace seals, bearings all that. Then it ll be fresh again
I didn't like the way they looked either, I new what the answer was, I was just putting it off. Thank for commenting and watching.
I have a 89 30hp Evinrude. Just had the water pump replaced but still running hot. When looking I noticed that the tube connected to the "pee hole" it is not connected to anything on the other side. The tube you posted coming out of the housing and then going out the hole- Mine goes back on the boat towards the throttle. Is this correct?
The tube should start at the outer exhaust cover, connect to a nipple and the hose should go through the lower engine cover through a grommet. If you remove the hose at the engine does the water come out of the nipple?
@@OmFishing No.
I got to cover off and it looks brand new.
Wow well explained I just did the impeller on my 99 evinruide 225 still no tell tail I’m goin crazy I’m goin to do thermostat hopefully that works I’m bummed out haven’t even been out yet cuz let a friend borrow it last year and he cooked impeller unfortunately thank you 🙏
Did you take the tell tail off at the motor and make sure it is clean and air blow through does the water come out there with out the hose on it.
No there’s no hose on it
I could take it off and screw a hose to it and flush it backwards
So do you think the hose still should be on there the lil plastic tell tail just spins like there probably should be one on idk
Also I was gonna replace thermostat too
How ( chemical ) can be used to clean out the water jackets ? 15 hp gamefisher keeps overheating , flowing pumping a good amount of water, but it is scalding hot and motor has now locked up " seized " 3 times, after it cools it frees up again. Looks like case has to burn paint areas both sides 4" above lower end bolt flange and impeller ?
I do not know of a chemical that will clean the water ports out. Not that they don't have something I just don't know. Did you check the exhaust seals in the lower unit. It sound to me if you are burning paint 4" above the end bolts it is a exhaust leak.
Hey Christopher I saw a vid from Danger Marine on YT and he tested several . "SALT AWAY" , WHITE VINEGAR" AND "HYDORCHLORIC ACID" Interesting results .Good Vid and like our friend here at OM , very good resource.