Watch PART 2 of Mercury Outboard Runs Then Dies as I show you where the second fuel filter is located and how to remove it: ua-cam.com/video/3YKp9NHQtXs/v-deo.html 👍
Aloha from Hilo Hawaii. I have a 40 hp mercury on my 13'whaler. My problem is that the engine just immediately shuts off. No chugging, no out of gas feeling, it is just like someone threw a switch. My mercury authorized mechanic has replaced ALL THE STUFF, you did and it still keeps shutting off. It won't restart for about 10-15 minutes, then it will do it again. Any other thoughts? Thanks
Hi, i replaced my solenoid which now the outboard starts and runs but after thr first trip the starter motor stuck on constantly trying to Start the engine without the key in so i had to disconnect the power wire from the starter motor which goes to the solenoid. This happened 26 miles out at sea but i managed to get the engine started by putting the live wire back on the starter motor and turning the key quickly then disconnect the live wire on the starter motor to stop the starter motor from spinning. Any ideas why? Sorry for the extremely large comment/question
I have a 2017 Yamaha 40hp on. Bought it with 74hrs on it...now has 116. I'm running strong, then idels in a no wake zone for about 15 minutes...stalls!!! Took me almost 20 minutes to restart. Took it back to dealer...changes fuel filter, runs a fishing line through where the water port exits. All good for a couple outings....and once again, idels in a no wake zone...then stalls. This time 45 minutes. Periatic pumping the bulb... frustrated...I put out the orange flag ..5 minutes later...one last pump. It starts.. ran for about 400 yards....stalled!!!. One more pump ...it starts...made it back to the docks about 2 miles. Got some seafoam marina fuel additive...ran it for about an hour. No issues. Not sure if it's a fix or not being the day before..it ran normal on our way back.... frustrated!
Nice video, mate. A lot of people don't understand that a lengthy troubleshooting process like this is sometimes necessary, and walking people through every step really helps to illustrate how important it is to keep moving down the line until you fix the problem.
I use black automotive fuel line and I wont have that problem ever again. Reuse your connectors with hose clamps & there's not a inner liner inside the black automotive fuel line to break down & it's cheap. Good luck 👍
Bought a early 2000 40 HP Mercury-2 stroke with auto oiler and it was rarely used by my friend and I bought it. I saw your video and checked the filters and my filter looked just like yours. I replaced it and engine started and ran and idled smoothly. This video probably saved me from breaking down on the lake. Thanks!
I got the EXACT same problem on a 2 year old 60hp four stroke Merccury..... I’ve done the line, yesterday did the “new” remote/portable fuel tank. Ran good for 5-10 minutes and died again on what feels like fuel starvation......was going to take back to the dealer/marina (30 miles away) next week..... Now will try fuel filter.....if it works Roland......I owe you a BEER ,..... as it saves me BIG BUCKS and more importantly....the best part of the fall fishing season. Thanks for a great video.
I'm glad you found it. Sometimes it will get by the filter and get caught up in the screen for the fuel pump or in the fuel pump. And it can create the same kind of havoc blocking passage of the fuel and random fashion which is always difficult to figure out
I took a small engine class when I was in high school just to get easy credit. I wish I would have paid better attention. I am very handy with my hands building things, but small engines often get me. I did change a carburetor last year and it fixed the problem - I chalked that up to a good guess versus diagnosing a problem. I generally find it is fuel related - either the fuel or the carburetor. Good video.
Massive thanks from New Zealand mate! Fixed my entire issue and subsequently saved me so much money. Such a clear and informative video, thank you so much!
Wow! I had the exact same problem about 4 years ago with my 60hp Mercury FourStroke outboard. I did everything you did here, except I also changed the other fuel filter, rebuilt the entire VST, and replaced the fuel pump. I had a mechanic tell me over the phone that the gas line I had was designed to work with MTBE (a fuel additive that was replaced by ethanol in 2007), but not with the ethanol additive. The new fuel line and bulb I bought had a tag on it that said it was made for gasoline with an ethanol additive. It worked. By the way, I have driven from Colorado to mid-Saskatchewan every year for 20 straight years to catch pickerel, Jack fish, and lake trout. We quit about 3 years ago. I sure miss it.
Glad this worked for you. I had same problem in Manitoba but for me it was moisture in the gas from leaving the gas tank vent open in the rain. The moisture would plug the jets in the carb. Fix:put 1oz isopropyl alcohol in full tank of gas(or replace gas), tilt motor up in lock position, prime bulb until gas come out of carburetor throat and use a water absorbing insert in tank(made for snowmobiles)and that should solve another issue that can cause this same problem. But yes, pay attention to the breakdown of fuel lines and you fuel filters.
Great video to help with those stubborn intermittent issues. FYI the plastic ties on the fuel lines are not necessarily your average every day cable ties. Technically there are special fuel line cable ties that have a "shaped" lock end that is curved to maintain contact pressure a full 360 degrees around the line to avoid fuel leaks. They are known as radius zip ties or radius cable ties.
I used regular also -- where can you find those? --- ah googled them and found them on amazon ordered, you'd think mercury would put them in the kit, oh well I had to get a hundred so ill be for for the next 50 years or so....... thanks again I did not know about those
Just invested in my first small boat here in New Zealand and came across your video. It has helped alot and provided insight into how an outboard works after ageing time. Thank you again
I watched this video again because I am have similar problems again with a 25hp and you didn't really troubleshoot the problem because you changed out everything!!! I don't want to change the fuel tank if I don't have too but I will if that is the problem! I need to go step by step and figure this crap out! Thanks my friend!
Another great DIY video on the fuel filters! A person really can save a bunch of money for basic maintenance and it's not overly complicated. I enjoy small engine repair. Thanks Roland!
Hey @Getting it Done North of 7, I have an episode dropping July 28th, 2020 about my Stihl KM110R Weed Eater/Brush Cutter and the blade I have on it just for you. I did buy another brush cutting blade from Home Depot online so come and check it out. It will be released at 6am. Thanks Roland! :) Andrew
At first I thought the fuel pickup in the tank was plugging up as I have seen that before. But the simplest and maybe cheapest next step would be the in line fuel filter. Also I have seen many situations where there is an obvious filter in the fuel line but another hidden filter too. On my 30 year old 15 HP Evinrude there is a screen on the carb (if I remember correctly) that caused me the same issue and my mechanic showed that to me. Overheating doesn’t fix itself quickly. The engine has to sit quite a while before it will run again well. Great video and thanks. I also didn’t know about the inner fuel line inside the fuel line.
That grey fuel line has been an issue with ethanol since the 90's. Go to parts source and get a roll of 5/16" fuel line for less than 30 bux and replace it all! You won't have that issue again. I've done it with all my boats. I am picking up a 2021 Lowe in 2 weeks and will replace all the fuel lines before it sees water. Good Vid !
@@timtaylor8557 Because the stuff you get from Parts Source is regular fuel line (black that is used on cars), not the grey stuff that still comes on new boats that has a plastic liner inside the hose that breaks down from ethanol.
Excellent video. Applies essentually to all outboards as far as tanks and filters. As you state always check the tank, fuel line and filters first. Never run old gas in any motor you care about. A great old timer mechanic told me 90% of hard or no starting issues are fuel related. Also many people aren't aware of the 2nd fuel filter in most outboards.
My boat had same issue. Built in fuel tank. I decided to isolate the issue by replacing the fuel line kit like you and an external new 6 gallon tank. Problem solved. Built in tank has sediment and old fuel. In process of cleaning it now. Your fix will definitely help relieve alot of headaches and wasted money. I knew your issue from the minute you said what happened. 😀 mine is also a mercury 135
That fuel filter is made of sturdy plastic. It's not a paper filter. No need to change it unless it's damaged somehow. Just rinse it out, inspect it and reinstall it. Also at 8:41, before you hook that hose back up you might want to pump the primer bulb a few times to clear the fuel line of any residual debris that may still be in it.
June 2, 2023. I literally just had the same problem with my 9hp. Was getting upset and actually broke the rope. But after watching this and another video on how to replace the rope I'm ready to try out your advice. Wish me luck.
After having issues myself, I had found a plugged fuel filter. I change the filter and fuel line and drained and cleaned the fuel tank before I saw your video. So I went out to the garage and cut my old fuel line open today and found it 85% to 90% clogged with that brown crap. Looks like the fuel line should be on the maintenance schedule! Good to know what the source of the problem is.
Thx for this - extremely helpful. I did EXACTLY the same sequence as you, including replacing the fuel line from the tank, then the tank itself, then the filters. In my case I needed to change both flters to remedy the problem. Thanks for taking the time to make and post your videos.
So hard to find a good "honest"marine dealer. This video explained the exact same symptom my Mercury 40 HP was exhibiting. Went through your process and it runs like a dream. Thank you for taking the time to teach us.
I was about to rebuild the carburetors until I watched this video. Yep it was a separated liner in the fuel line causing the problems. Thanks for bringing me back to starting with the basics.
I recently bought a used Mariner 15 hp outboard. I didn’t want to spend the 4000+ dollars to buy a new one. I only have about $600 in this motor total and that is after installing a new impeller and propeller. The motor has ran well until recently. The tank is an old metal tank and I have been having the same issues as you. I suspected it might be a fuel supply issue and you have helped confirm my suspicions. I plan on doing as you have suggested. Thank you for making this video. Jim Seaman Darby, Montana
Great video. I had the same issue w/my 25hp Yamaha out board & found out the liner in the fuel line collapses when I give it full throttle after running it for awhile. So now I'm just gonna replace it w/regular fuel line & change out the fuel every yr when I store it for winter.
It sounds like that inner liner was a step up from the old Styrofoam liners they used at first! 😂 I had a VW long ago with a similar issue. I didn't know but the tank was rusting away on the inside and clogging the fuel lines. It caused me lots of headache until I learned what was causing it. You helped folks today with this video Roland. Fresh people being born everyday that need to learn everything. Have a great day up there!
Great video. I was having the same exact issue. My boat has an 11 gallon internal tank and the ball bearing that sets in were the fuel line Connects to the tank had rusted and was stuck. I knew it was something to do with the Internal tank because when I used an 5 gal external tank the motor would run with out issue.
My boat is doing the same thing. I didn't realize there was a second filter I thought the one nearest the fuel pump was the only one!! Off to go do it right!! Thank you for sharing the info.
I just escaped the everglades. Even my 3,5 back up engine failed. Low engine oil shut off. wtf.I never had to use it before You sound right on about this .Same fuel hose degradation. A cheap quick fix is rare these days. thank you
Roland great info. I had a boat that the water pump impella was bad and caused the problem you talked about. I am sure you help several people on this one. A+ brother
I Had the same problem two months ago, and I did remove all the gas from the tank, filtered and put it back, I did not change the filter, thanks for the idea.
Great video. I am having the same problem. Boat is 38 years old. I've had it two years. I'm betting the fuel hose is the original. Will replace it tomorrow. Thanks
Just watched your video yesterday yesterday and went and replaced gas lines today and that was the exact problem thanks for your help great video good information
Thank you very much, I had the same problem with my engine and I didn't understand what it was, the tank was clean, the filter was dirty. I will replace the tube as soon as I can. God bless you, greetings from Italy.
Sir, thank you so much for such a comprehensive review. I’m having the same exact issue and I’m confident you just saved me several trips back and forth like you had. Take care!
This video helped me so much!!!! We had a similar 1,2,3 problem with our Tohatsu, although were in the middle of nowhere Mexico cruising on our sailboat. Our 15 hp dinghy motor was doing the same thing, then we replaced the tank and it got better, but we had to go deeper. We had a bad o ring and then clogged fuel lines past that. Thank you!!!!!
Cheer's from Crow Lake ! Exact same issues ! Just tired of more $ every Summer on the tin boat ...lol Guessing a new tank and lines is my troubles. Thanks 👍
This is the closest issue to mine that I have found online. My Toyota outboard runs great and will just quit. From there I shut the key off, put it in neutral and restart. This might happen once in a three week period or it might happen 3 or 4 times in one outing. So, it's intermittent. And there's no sputter. It just quits. Thanks for putting out the video.
I have had that same issues...The Ethanol in the gas we use today breaks down that liner. Nerve buy a fuel line with a gray hose. Instead always use the black fuel line. As you can see inside the motor, all the fuel line are the black hose. If you need to, just buy the ball and fitting separate and create you own fuel line from the tank to the motor. It may cost a few bucks more, but it is worth it! Plus you can customize the length of the hose.
PS: I would never run any outboard big or small without a separate water separating filter as my primary filter. You would be surprised how much condensation a fuel tank can make. I like the Ray-Cor models but Sierra and most manufacturers make their own as well. Shop around and get the appropriate size for you gallons per hour and then get a 6-8 micron paper element in the spin off portion. You mount it to the boat then hook your six gallon cruise tank (or whatever your fuel source is) up to it. It is plumbed into your motor. You can quick connect the tank to the separator to facilitate fueling or whatever. The best separators have a spin off filter and a collector bowl at the bottom where you can keep an eye on it for any water or other contamination. Some situations require a metal drain bowl, some allow the see through plastic. All have a petcock so you can drain a sample now and again. Glad to hear everything worked out.
Ethanol absolutely destroys those cheap gray marine fuel lines. Only use non ethanol and never buy gray fuel line with the clear plastic linner inside. Buy black automotive fuel line instead.
Great info! Another very simple cause of the same issue is forgetting to vent the gas tank. Sounds silly but when you travel with your boat you need to close the vent screw on top of the gas tank so that has doesn't spill all over in your boat. It's really easy to forget to loosen that vent screw when you get to the water! Probably the 1st thing Is check then follow your list of items to check. Thx for the info
I just bought a new 12 gallon specktor gas tank filled it for an upcoming trip and most of the fuel leaked out thru my fuel line into my 75hp Honda. My son smelled fuel so we walked down to the boat and discovered the take nearly empty and fuel in the driveway under the motor. It was quite hot out for a couple days 90.F partially in direct sun. The vent valve on the fuel cap was closed. This type of tank is new to me, it had no instructions. I lost about $40 of fuel. Any help would be appreciated.
@@jackconner958 same happened to me twice with a new tank I had, could not figure it out . A friend gave me a tank and it quit doing that so I am curious as to what causes this also.
Pressure building up in the tank pushes the fuel up your fuel line out of the tank. The check valves (small ball at the end of your fuel line is not seating properly and allowing fuel to go passed it into the engine. Check, clean or change it. Covering/shading your tank or park the boat out of the sun will help. If you have to, leave your tank air vent open to not allow pressure to build up in the tank, until you can deal with the check valve. Leaving the vent open allows moisture from the air to enter the tank when the air cools.
I always start from the tank, the pick up in the tank usually has a little screen enough to stop bigger particles from entering the system. The previous owner used cheaper gas with ethanol in it which is the leading cause of interior line deterioration especially left over the winter. don't use ethanol gas at all in your boat, use the highest octane which will take you further with more power and be better for your engine and the lake you are exhausting in. The older 2 stroke were blowing up on this ethanol added gas because the ethanol would separate from the gas and worse the oil so the engine had no lubrication while using up what ever amount was sitting at bottom level of tank. Change that other filter ASAP as the lines broken down particles will jam or even gum up the injectors. Cheers and Peace Out
Octane has nothing to do with efficiency or power. 2-strokes have very low compression and high-octane fuel is a waste of money. Do use REC-90 or whatever they call real gasoline (no ethanol) in your area. In Ohio, its 90 octane.
Great video I had the same problem during sockeye season 5 years ago. I’m my case it was the bulb.. it still felt nice and solid and sounded like it was pumping but the internals had collapsed and wasn’t allowing enough fuel through… just enough to start and idle and run for a few seconds under load then would die.
My Johnson 70 did this. It was the diaphragm fuel pump. So I bought a eldebrock 1-3 psi electric fuel pump. I hooked it up before the primer ball and to a toggle switch. The moment my boat started surging I would turn that fuel pump on and it would instantly run great. The diaphragm pump has a hole in it
Great video. You had the luck of being able to get back each time on your venture, We have a pontoon boat, that is hard to work on when it is in water,and expensive to have someone pull us out each time it fails. We have same problem as you did but in our case all that stuff will need to be repaired/replaced. Your video will be a huge help.
Thank you! that was a good overview of a lot of the motor and little things that I would not have thought of. I am such a newbie to all of this so it is much appreciated!
Really helpful tip for overwintering your boat. If you pick up a gallon of that trufuel period or something similar it's expensive but it's basically 98% paraffin. You won't get any of the harmful chemicals like Benzene which ends up ruining all your hoses. Then in the spring you can fire it right up
I had the same issue on a Mariner motor. Turns out I had a little glob of water in the bottom of my tank. I was hugely surprised by this because I drain my tank for storage and I'm careful with my gas. The motor would run great until I opened it up. The bow would rise and the ball of water would roll down to the pickup and the motor would bog down. After idling the motor would run great, open it up and it would bog down. I tried everything you did including re-building the carb. Same thing kept happening. I found it by turning the gas tank around so the pickup was on the high end of the tank and the motor ran great. Drained my tank and found the glob of water. Hard to believe that a little ball of water could cause so much trouble. Needless to say, I felt pretty silly for not checking the gas and the tank first. If your tank pickup was facing toward the stern there might have been a ball of water rolling around in your old tank. Really great video
Wow thanks for sharing this info. Crazy how something so small can mess you up. I'm sure it would have took me a long time to figure that out as well. Thanks
Plastic ties on fuel lines are fine if you use the one specially designed for it. Their locking end slot is at an angle so it grabs the fuel line all around. They are offered as OEM parts by all outboard manufacturers / dealers.
@@danielrobert7181 - I was wondering if someone would catch that. I'm not sure if Merc uses them but my old Johnson did. The base is not square on true fuel line zip ties, they are angled to apply pressure evenly ALL the way around and not allow air seepage. The guy in the video ISN'T using real fuel line clips.
@@PayNoTaxes0GetNoVote That I know of, old Mercs had steel ties, the type that has its ends simply crussing one another and that you loosen with a pair of pliers.
Excellent video your instruction was right on and I took this advice not having trouble yet but for preventive maintenance. And I'm trusting to my motor now and here in out. I know I'll use this information for years to come. I'm a subscriber but I must say your demeanor is one that grabs your attention and non distracting. Looking forward to more.
Thank you for posting this !!!! My brother and I got a used trihaul with a mercury 70 hp 2stroke the boat had been sitting a long time we finally got it started but shuts off but before we started it we bought a new tank,fuel line, new gas and we did not even think about the filter 😳 but when it ran we heard a loud sound sounded like a grind ?? But only when it ran on hi idle but we decided just to take it to the shop and get it all redone or just get another motor but thank you for your awesome video!!!!
Great video! This saved my trip this past week in Florida. Thanks so much for all the useful intel put in easy to understand step by step instruction. Greta job! Thanks
@@GettingItDoneRepairs Based on the advice in the video I changed both fuel filters and the fuel line from the top of the tank to the motor and replaced the bulb. We also removed the old gas from the tank and replaced it with ethanol free fuel. All told the cost was about 125 for the parts and my son and I made the changes. The job was easy with your help and for that I am eternally grateful. Thanks much my friend!
Good info for newbies like me. Have had my boat just about a year now, and learning lots. Just subscribed, looking forward to watching more of your videos. I'm in Phuket, Thailand. If you ever pass through, give me a shout and we'll go for a spin.
thats such a great video I was going to buy a second hand tank but have decided after watching this that a new one is a much better option. thank you 🙂
Mine did the same and ethanol was the culprit. I stopped putting in ethanol and the problem went away. I use 100% real gas since that time. No more issues. I also add stabil during storage months.
Thumbs up for as far as you got.. When doing this properly you need to pull tne outflow fron filter to fuel pump to check for crud in small glass babyfood jar by squeezing bulb then reconnect and crank engine with outflow fuel line from fuel pump disconnected to see if its pumping. If its pumping into a jar it should be good Reconnect its hose and if engine still womt start or stay running theres probably blockage in carb jets or injectors. Thats a seperate matter. Fuel feed is fron tank to filter, to pump then carb or injector pump then fuel rail and injectors.
Drove my father nuts, his classic Mercury 50 would get on a plane and start "limping" , there is a liner in the fuel line that would come loose from the inside of the hose. It's a weak little clear plastic lining that this ethanol gas would dissolve the glue holding to the fuel line walls, that liner is weak, when you throw fuel pump pressure to it the inner hose would clamp shut. Think like sucking a soda straw flat. Couldn't get enough gas w that restriction. Always use non-ethanol gas. Always.
Replacing parts until you fix an issue is not what I would call methodical! There is a much easier and faster way to diagnose problems like this, Unfortunately I did not go to school and learn my trade to teach others for free on UA-cam!
Good Job, Roland. Nice information here 😉. Glad she's running good for ya now. Things breakdown so fast these days. Impellers are the LIFE of those little outboards. We've seen them come in in pieces from people who dry crank their engines 😱. I remember using old metal fuel tanks. Those things were heavy! It was a relief when they started making the plastic ones. Those newer mercs are nice! Mark loves those 😊 Great Vid!
Good job, you were on right track after changing the water pump prop.. if your problem did no go away after changing the fuel filter next to check is fuel pump if its good the clean up the carburetor its common for outboard motor carburetor to get built up with gung and get blocked.
Thanks for the video I have a 2014 Suzuki that is doing the exact same thing after a long trip to Rockport Texas. Came home to flush my engine and it ran great idling for 5 minutes then started chugging and check engine light comes on. I turn it off and start back up - same thing, runs good for a min of two then chugs and dies. I think this information will probably solve my problem as well. Thanks!!!
I had the same thing happen to mine and it actually quit running and wouldn't start. I started at the tank and it had a screen filter in the tank on the end of the pickup tube that had got clogged enough to collapse the tube and it actually fell off the nipple at the top of the tank. Fixed that and thought my problem was solved but it wasn't and then I found the little filter that you showed and they actually sold me just the filter, that was march 2021. It runs good now.
Thank you for this video. My fuel filter looked just like yours. Hoping this will fix my issue. 2004 Mercury 60 hp 4 stroke starts up, runs for 10 minutes then stalls. Question> Should the primer bulb be solid the entire time while the boat is running?
Watch PART 2 of Mercury Outboard Runs Then Dies as I show you where the second fuel filter is located and how to remove it: ua-cam.com/video/3YKp9NHQtXs/v-deo.html 👍
Aloha from Hilo Hawaii. I have a 40 hp mercury on my 13'whaler. My problem is that the engine just immediately shuts off. No chugging, no out of gas feeling, it is just like someone threw a switch. My mercury authorized mechanic has replaced ALL THE STUFF, you did and it still keeps shutting off. It won't restart for about 10-15 minutes, then it will do it again. Any other thoughts?
Thanks
helped a ton...thanks!!!
Hi, i replaced my solenoid which now the outboard starts and runs but after thr first trip the starter motor stuck on constantly trying to Start the engine without the key in so i had to disconnect the power wire from the starter motor which goes to the solenoid. This happened 26 miles out at sea but i managed to get the engine started by putting the live wire back on the starter motor and turning the key quickly then disconnect the live wire on the starter motor to stop the starter motor from spinning. Any ideas why? Sorry for the extremely large comment/question
I have a 2017 Yamaha 40hp on. Bought it with 74hrs on it...now has 116. I'm running strong, then idels in a no wake zone for about 15 minutes...stalls!!! Took me almost 20 minutes to restart. Took it back to dealer...changes fuel filter, runs a fishing line through where the water port exits.
All good for a couple outings....and once again, idels in a no wake zone...then stalls. This time 45 minutes. Periatic pumping the bulb... frustrated...I put out the orange flag ..5 minutes later...one last pump. It starts.. ran for about 400 yards....stalled!!!. One more pump ...it starts...made it back to the docks about 2 miles.
Got some seafoam marina fuel additive...ran it for about an hour. No issues.
Not sure if it's a fix or not being the day before..it ran normal on our way back.... frustrated!
@@tracylewis9796 ever find the issue?
Nice video, mate. A lot of people don't understand that a lengthy troubleshooting process like this is sometimes necessary, and walking people through every step really helps to illustrate how important it is to keep moving down the line until you fix the problem.
Your right sir, thanks 😊 some folks right
I use black automotive fuel line and I wont have that problem ever again. Reuse your connectors with hose clamps & there's not a inner liner inside the black automotive fuel line to break down & it's cheap. Good luck 👍
I did that also to allow for ethanol fuel occasionally
Bought a early 2000 40 HP Mercury-2 stroke with auto oiler and it was rarely used by my friend and I bought it. I saw your video and checked the filters and my filter looked just like yours. I replaced it and engine started and ran and idled smoothly. This video probably saved me from breaking down on the lake. Thanks!
I got the EXACT same problem on a 2 year old 60hp four stroke Merccury..... I’ve done the line, yesterday did the “new” remote/portable fuel tank. Ran good for 5-10 minutes and died again on what feels like fuel starvation......was going to take back to the dealer/marina (30 miles away) next week.....
Now will try fuel filter.....if it works Roland......I owe you a BEER ,..... as it saves me BIG BUCKS and more importantly....the best part of the fall fishing season. Thanks for a great video.
Did you resolve
I'm glad you found it. Sometimes it will get by the filter and get caught up in the screen for the fuel pump or in the fuel pump. And it can create the same kind of havoc blocking passage of the fuel and random fashion which is always difficult to figure out
I took a small engine class when I was in high school just to get easy credit. I wish I would have paid better attention. I am very handy with my hands building things, but small engines often get me. I did change a carburetor last year and it fixed the problem - I chalked that up to a good guess versus diagnosing a problem. I generally find it is fuel related - either the fuel or the carburetor. Good video.
Get a good outboard repair manual and read it over and over ! That is how I taught myself Boat repair before Yamaha sent me to school .
Massive thanks from New Zealand mate! Fixed my entire issue and subsequently saved me so much money. Such a clear and informative video, thank you so much!
Wow! I had the exact same problem about 4 years ago with my 60hp Mercury FourStroke outboard. I did everything you did here, except I also changed the other fuel filter, rebuilt the entire VST, and replaced the fuel pump. I had a mechanic tell me over the phone that the gas line I had was designed to work with MTBE (a fuel additive that was replaced by ethanol in 2007), but not with the ethanol additive. The new fuel line and bulb I bought had a tag on it that said it was made for gasoline with an ethanol additive. It worked.
By the way, I have driven from Colorado to mid-Saskatchewan every year for 20 straight years to catch pickerel, Jack fish, and lake trout. We quit about 3 years ago. I sure miss it.
Glad this worked for you. I had same problem in Manitoba but for me it was moisture in the gas from leaving the gas tank vent open in the rain.
The moisture would plug the jets in the carb.
Fix:put 1oz isopropyl alcohol in full tank of gas(or replace gas), tilt motor up in lock position, prime bulb until gas come out of carburetor throat and use a water absorbing insert in tank(made for snowmobiles)and that should solve another issue that can cause this same problem.
But yes, pay attention to the breakdown of fuel lines and you fuel filters.
Great video to help with those stubborn intermittent issues. FYI the plastic ties on the fuel lines are not necessarily your average every day cable ties. Technically there are special fuel line cable ties that have a "shaped" lock end that is curved to maintain contact pressure a full 360 degrees around the line to avoid fuel leaks. They are known as radius zip ties or radius cable ties.
Never knew about this. Very cool
I used regular also -- where can you find those? --- ah googled them and found them on amazon ordered, you'd think mercury would put them in the kit, oh well I had to get a hundred so ill be for for the next 50 years or so....... thanks again I did not know about those
Just invested in my first small boat here in New Zealand and came across your video. It has helped alot and provided insight into how an outboard works after ageing time. Thank you again
I watched this video again because I am have similar problems again with a 25hp and you didn't really troubleshoot the problem because you changed out everything!!! I don't want to change the fuel tank if I don't have too but I will if that is the problem! I need to go step by step and figure this crap out! Thanks my friend!
Another great DIY video on the fuel filters!
A person really can save a bunch of money for basic maintenance and it's not overly complicated.
I enjoy small engine repair.
Thanks Roland!
Hey @Getting it Done North of 7,
I have an episode dropping July 28th, 2020 about my Stihl KM110R Weed Eater/Brush Cutter and the blade I have on it just for you.
I did buy another brush cutting blade from Home Depot online so come and check it out.
It will be released at 6am.
Thanks Roland! :)
Andrew
At first I thought the fuel pickup in the tank was plugging up as I have seen that before. But the simplest and maybe cheapest next step would be the in line fuel filter. Also I have seen many situations where there is an obvious filter in the fuel line but another hidden filter too. On my 30 year old 15 HP Evinrude there is a screen on the carb (if I remember correctly) that caused me the same issue and my mechanic showed that to me. Overheating doesn’t fix itself quickly. The engine has to sit quite a while before it will run again well. Great video and thanks. I also didn’t know about the inner fuel line inside the fuel line.
I have a 60 mercury on my 6 year boat and I yearly change the main filter and the in-line filter every 3 years. Haven't had any problems. Good video .
That grey fuel line has been an issue with ethanol since the 90's. Go to parts source and get a roll of 5/16" fuel line for less than 30 bux and replace it all! You won't have that issue again. I've done it with all my boats. I am picking up a 2021 Lowe in 2 weeks and will replace all the fuel lines before it sees water. Good Vid !
Yes I will be switching up that fuel line
How is that line different than what would be on a brand new boat?
@@timtaylor8557 Because the stuff you get from Parts Source is regular fuel line (black that is used on cars), not the grey stuff that still comes on new boats that has a plastic liner inside the hose that breaks down from ethanol.
@@2old4fpv-k8y maybe not all boats use the same quality. My boat is a 2019 and the fuel lines are black.
Excellent video. Applies essentually to all outboards as far as tanks and filters. As you state always check the tank, fuel line and filters first. Never run old gas in any motor you care about. A great old timer mechanic told me 90% of hard or no starting issues are fuel related. Also many people aren't aware of the 2nd fuel filter in most outboards.
My boat had same issue. Built in fuel tank. I decided to isolate the issue by replacing the fuel line kit like you and an external new 6 gallon tank. Problem solved. Built in tank has sediment and old fuel. In process of cleaning it now. Your fix will definitely help relieve alot of headaches and wasted money. I knew your issue from the minute you said what happened. 😀 mine is also a mercury 135
Thank you so much!! I've been having this exact same problem with my outboard. Time to start replacing fuel filters and hoses!!
That fuel filter is made of sturdy plastic. It's not a paper filter. No need to change it unless it's damaged somehow. Just rinse it out, inspect it and reinstall it. Also at 8:41, before you hook that hose back up you might want to pump the primer bulb a few times to clear the fuel line of any residual debris that may still be in it.
June 2, 2023. I literally just had the same problem with my 9hp. Was getting upset and actually broke the rope. But after watching this and another video on how to replace the rope I'm ready to try out your advice. Wish me luck.
After having issues myself, I had found a plugged fuel filter. I change the filter and fuel line and drained and cleaned the fuel tank before I saw your video.
So I went out to the garage and cut my old fuel line open today and found it 85% to 90% clogged with that brown crap.
Looks like the fuel line should be on the maintenance schedule!
Good to know what the source of the problem is.
Thx for this - extremely helpful. I did EXACTLY the same sequence as you, including replacing the fuel line from the tank, then the tank itself, then the filters. In my case I needed to change both flters to remedy the problem. Thanks for taking the time to make and post your videos.
So hard to find a good "honest"marine dealer. This video explained the exact same symptom my Mercury 40 HP was exhibiting. Went through your process and it runs like a dream. Thank you for taking the time to teach us.
I was about to rebuild the carburetors until I watched this video. Yep it was a separated liner in the fuel line causing the problems. Thanks for bringing me back to starting with the basics.
I was about to do the same thing 😂
👍glad you fixed the boat Dad. Now we can go fishing and swimming.
That's the plan!
Your video is priceless and just saved me hundreds on a mechanic allegedly cleaning my carbs. Thank you for taking the time to make it!
That's awesome Mike! Glad to hear it.
I recently bought a used Mariner 15 hp outboard. I didn’t want to spend the 4000+ dollars to buy a new one. I only have about $600 in this motor total and that is after installing a new impeller and propeller. The motor has ran well until recently. The tank is an old metal tank and I have been having the same issues as you. I suspected it might be a fuel supply issue and you have helped confirm my suspicions. I plan on doing as you have suggested. Thank you for making this video.
Jim Seaman
Darby, Montana
Great video.
I had the same issue w/my 25hp Yamaha out board & found out the liner in the fuel line collapses when I give it full throttle after running it for awhile.
So now I'm just gonna replace it w/regular fuel line & change out the fuel every yr when I store it for winter.
It sounds like that inner liner was a step up from the old Styrofoam liners they used at first! 😂 I had a VW long ago with a similar issue. I didn't know but the tank was rusting away on the inside and clogging the fuel lines. It caused me lots of headache until I learned what was causing it.
You helped folks today with this video Roland.
Fresh people being born everyday that need to learn everything.
Have a great day up there!
Wow I'm late seeing this one Robert. Thanks for sharing your issue.
Great video. I was having the same exact issue. My boat has an 11 gallon internal tank and the ball bearing that sets in were the fuel line Connects to the tank had rusted and was stuck. I knew it was something to do with the Internal tank because when I used an 5 gal
external tank the motor would run with out issue.
Same thing happened to me. Replaced fuel line and filter. Haven't had an issue since
My boat is doing the same thing. I didn't realize there was a second filter I thought the one nearest the fuel pump was the only one!! Off to go do it right!! Thank you for sharing the info.
I have had a similar problem with my Mercury 25 2 stroke.I will check these items! Thank you for a great video!
Thanks for watching.
I just escaped the everglades. Even my 3,5 back up engine failed. Low engine oil shut off.
wtf.I never had to use it before You sound right on about this .Same fuel hose degradation.
A cheap quick fix is rare these days. thank you
Roland great info. I had a boat that the water pump impella was bad and caused the problem you talked about. I am sure you help several people on this one. A+ brother
I Had the same problem two months ago, and I did remove all the gas from the tank, filtered and put it back, I did not change the filter, thanks for the idea.
Yes check the fuel filter under the motor cover and check the fuel line for deterioration.
Great video. I am having the same problem. Boat is 38 years old. I've had it two years. I'm betting the fuel hose is the original. Will replace it tomorrow.
Thanks
Just watched your video yesterday yesterday and went and replaced gas lines today and that was the exact problem thanks for your help great video good information
Thank you very much, I had the same problem with my engine and I didn't understand what it was, the tank was clean, the filter was dirty. I will replace the tube as soon as I can. God bless you, greetings from Italy.
You're welcome!
Sir, thank you so much for such a comprehensive review. I’m having the same exact issue and I’m confident you just saved me several trips back and forth like you had. Take care!
You are welcome!
This video helped me so much!!!! We had a similar 1,2,3 problem with our Tohatsu, although were in the middle of nowhere Mexico cruising on our sailboat. Our 15 hp dinghy motor was doing the same thing, then we replaced the tank and it got better, but we had to go deeper. We had a bad o ring and then clogged fuel lines past that. Thank you!!!!!
Cheer's from Crow Lake ! Exact same issues ! Just tired of more $ every Summer on the tin boat ...lol Guessing a new tank and lines is my troubles. Thanks 👍
I had the same problem. Changed the fuel filter and that fixed it. Glad I saw your video.
Nice job Roland. You saved yourself a bunch of bucks by fixing that yourself for sure.
This is the closest issue to mine that I have found online. My Toyota outboard runs great and will just quit. From there I shut the key off, put it in neutral and restart. This might happen once in a three week period or it might happen 3 or 4 times in one outing. So, it's intermittent. And there's no sputter. It just quits. Thanks for putting out the video.
Hi mate, you have described precisely the problems I am having…can’t wait to get the new fuel line on and check out that filter too. 👍🏻
I have had that same issues...The Ethanol in the gas we use today breaks down that liner. Nerve buy a fuel line with a gray hose. Instead always use the black fuel line. As you can see inside the motor, all the fuel line are the black hose. If you need to, just buy the ball and fitting separate and create you own fuel line from the tank to the motor. It may cost a few bucks more, but it is worth it! Plus you can customize the length of the hose.
Thanks for watching!
Something so simple a lot of people don't look into it, thanks for the info.👍👍
Thanks for sharing your experience with us.
I will check my fuel filter today along with fuel lines.
I'm on year 3 and experienced the same issues. Tried changing fuel doesn't work same issues. Going to try new filter tomorrow. Thanks for your video
I have the exact same symptoms with my outboard motor, thanks for this video, God bless you.
Good luck with your repair.
PS: I would never run any outboard big or small without a separate water separating filter as my primary filter. You would be surprised how much condensation a fuel tank can make. I like the Ray-Cor models but Sierra and most manufacturers make their own as well. Shop around and get the appropriate size for you gallons per hour and then get a 6-8 micron paper element in the spin off portion. You mount it to the boat then hook your six gallon cruise tank (or whatever your fuel source is) up to it. It is plumbed into your motor. You can quick connect the tank to the separator to facilitate fueling or whatever. The best separators have a spin off filter and a collector bowl at the bottom where you can keep an eye on it for any water or other contamination. Some situations require a metal drain bowl, some allow the see through plastic. All have a petcock so you can drain a sample now and again. Glad to hear everything worked out.
I am having that same problem now, so I will try those methods and see if that helps. Thanks!
Ethanol absolutely destroys those cheap gray marine fuel lines. Only use non ethanol and never buy gray fuel line with the clear plastic linner inside. Buy black automotive fuel line instead.
Great info! Another very simple cause of the same issue is forgetting to vent the gas tank. Sounds silly but when you travel with your boat you need to close the vent screw on top of the gas tank so that has doesn't spill all over in your boat. It's really easy to forget to loosen that vent screw when you get to the water! Probably the 1st thing Is check then follow your list of items to check. Thx for the info
Do you need to close the vent so that no air gets in? Or open it so that air vents?
I just bought a new 12 gallon specktor gas tank filled it for an upcoming trip and most of the fuel leaked out thru my fuel line into my 75hp Honda. My son smelled fuel so we walked down to the boat and discovered the take nearly empty and fuel in the driveway under the motor.
It was quite hot out for a couple days 90.F partially in direct sun. The vent valve on the fuel cap was closed.
This type of tank is new to me, it had no instructions. I lost about $40 of fuel.
Any help would be appreciated.
@@jackconner958 same happened to me twice with a new tank I had, could not figure it out . A friend gave me a tank and it quit doing that so I am curious as to what causes this also.
Pressure building up in the tank pushes the fuel up your fuel line out of the tank. The check valves (small ball at the end of your fuel line is not seating properly and allowing fuel to go passed it into the engine. Check, clean or change it. Covering/shading your tank or park the boat out of the sun will help. If you have to, leave your tank air vent open to not allow pressure to build up in the tank, until you can deal with the check valve. Leaving the vent open allows moisture from the air to enter the tank when the air cools.
Exactly my problem. I will change the fuel filter tomorrow. I already changed the hose and primer bulb. Thanks,
LOU
Hope it works out for you 😃
Good job 👍 Outboards can be frustrating but your patience paid off. Informative video.
I don't mind trying to figure out these problems.
I always start from the tank, the pick up in the tank usually has a little screen enough to stop bigger particles from entering the system. The previous owner used cheaper gas with ethanol in it which is the leading cause of interior line deterioration especially left over the winter. don't use ethanol gas at all in your boat, use the highest octane which will take you further with more power and be better for your engine and the lake you are exhausting in. The older 2 stroke were blowing up on this ethanol added gas because the ethanol would separate from the gas and worse the oil so the engine had no lubrication while using up what ever amount was sitting at bottom level of tank. Change that other filter ASAP as the lines broken down particles will jam or even gum up the injectors. Cheers and Peace Out
Octane has nothing to do with efficiency or power. 2-strokes have very low compression and high-octane fuel is a waste of money. Do use REC-90 or whatever they call real gasoline (no ethanol) in your area. In Ohio, its 90 octane.
Great video I had the same problem during sockeye season 5 years ago. I’m my case it was the bulb.. it still felt nice and solid and sounded like it was pumping but the internals had collapsed and wasn’t allowing enough fuel through… just enough to start and idle and run for a few seconds under load then would die.
My Johnson 70 did this. It was the diaphragm fuel pump. So I bought a eldebrock 1-3 psi electric fuel pump. I hooked it up before the primer ball and to a toggle switch. The moment my boat started surging I would turn that fuel pump on and it would instantly run great. The diaphragm pump has a hole in it
Great video. You had the luck of being able to get back each time on your venture, We have a pontoon boat, that is hard to work on when it is in water,and expensive to have someone pull us out each time it fails. We have same problem as you did but in our case all that stuff will need to be repaired/replaced. Your video will be a huge help.
Awesome job explaining everything, going to try a couple of these fixes on my boat👍🏻
Great job! I'm having same issues and will try exactly what you did! I will keep you posted!
Good luck!
Thank you! that was a good overview of a lot of the motor and little things that I would not have thought of. I am such a newbie to all of this so it is much appreciated!
Glad it was helpful!
Really helpful tip for overwintering your boat. If you pick up a gallon of that trufuel period or something similar it's expensive but it's basically 98% paraffin. You won't get any of the harmful chemicals like Benzene which ends up ruining all your hoses. Then in the spring you can fire it right up
Same problem. I will try all that. Great video. Thanks
Glad you got the problem solved, now let's see a fishing report!!
I currently have this issue with my Tohatsu. Thanks for the insight it was very helpful.
I had the same issue on a Mariner motor. Turns out I had a little glob of water in the bottom of my tank. I was hugely surprised by this because I drain my tank for storage and I'm careful with my gas. The motor would run great until I opened it up. The bow would rise and the ball of water would roll down to the pickup and the motor would bog down.
After idling the motor would run great, open it up and it would bog down.
I tried everything you did including re-building the carb.
Same thing kept happening.
I found it by turning the gas tank around so the pickup was on the high end of the tank and the motor ran great.
Drained my tank and found the glob of water. Hard to believe that a little ball of water could cause so much trouble.
Needless to say, I felt pretty silly for not checking the gas and the tank first.
If your tank pickup was facing toward the stern there might have been a ball of water rolling around in your old tank.
Really great video
Wow thanks for sharing this info. Crazy how something so small can mess you up. I'm sure it would have took me a long time to figure that out as well. Thanks
Good job. A tip: Don't use plastic ties to secure fuel lines!!! Get correct stainless hose clamps
Plastic ties on fuel lines are fine if you use the one specially designed for it. Their locking end slot is at an angle so it grabs the fuel line all around. They are offered as OEM parts by all outboard manufacturers / dealers.
@@danielrobert7181 - I was wondering if someone would catch that. I'm not sure if Merc uses them but my old Johnson did. The base is not square on true fuel line zip ties, they are angled to apply pressure evenly ALL the way around and not allow air seepage. The guy in the video ISN'T using real fuel line clips.
@@PayNoTaxes0GetNoVote That I know of, old Mercs had steel ties, the type that has its ends simply crussing one another and that you loosen with a pair of pliers.
Excellent video your instruction was right on and I took this advice not having trouble yet but for preventive maintenance. And I'm trusting to my motor now and here in out. I know I'll use this information for years to come. I'm a subscriber but I must say your demeanor is one that grabs your attention and non distracting. Looking forward to more.
Thank you!
Exact same issue…thanks for the explanation and advice ! Worked for me !
Thank you for posting this !!!! My brother and I got a used trihaul with a mercury 70 hp 2stroke the boat had been sitting a long time we finally got it started but shuts off but before we started it we bought a new tank,fuel line, new gas and we did not even think about the filter 😳 but when it ran we heard a loud sound sounded like a grind ?? But only when it ran on hi idle but we decided just to take it to the shop and get it all redone or just get another motor but thank you for your awesome video!!!!
My tohatsu 9.9 is doing the same things. Thank you for posting I will change fuel line & filter.
Great video! This saved my trip this past week in Florida. Thanks so much for all the useful intel put in easy to understand step by step instruction. Greta job! Thanks
Hi there, glad to hear that. What exactly was wrong with yours? Which part helped?
@@GettingItDoneRepairs
Based on the advice in the video I changed both fuel filters and the fuel line from the top of the tank to the motor and replaced the bulb. We also removed the old gas from the tank and replaced it with ethanol free fuel. All told the cost was about 125 for the parts and my son and I made the changes. The job was easy with your help and for that I am eternally grateful. Thanks much my friend!
Good info for newbies like me. Have had my boat just about a year now, and learning lots. Just subscribed, looking forward to watching more of your videos. I'm in Phuket, Thailand. If you ever pass through, give me a shout and we'll go for a spin.
Best video ever I am going to straight out to follow the steps thanks so very much much. Australia
Just when you thought you had it fixed, you get kicked in the berries. I'm glad you got it fixed, and thanks for sharing.
Yes the poor berries. 🤣
This was so helpful. Thank you for the detailed troubleshooting tips!! I'll be taking a look at my dad's boat as soon as I have some time.
I have the same issue with my outboard. I’m gunna try that tomorrow and see if that’s the issue. If it is your a life saver!
Well did it fix it?
I know this video is two years old but it was very helpful. My gas line was the issue thank you so much.
Glad to help!
thats such a great video I was going to buy a second hand tank but have decided after watching this that a new one is a much better option. thank you 🙂
Definitely
great info roland you nailed it always start with checking fuel first..
Sure did John. Thanks
Mine did the same and ethanol was the culprit. I stopped putting in ethanol and the problem went away. I use 100% real gas since that time. No more issues. I also add stabil during storage months.
Thumbs up for as far as you got.. When doing this properly you need to pull tne outflow fron filter to fuel pump to check for crud in small glass babyfood jar by squeezing bulb then reconnect and crank engine with outflow fuel line from fuel pump disconnected to see if its pumping. If its pumping into a jar it should be good
Reconnect its hose and if engine still womt start or stay running theres probably blockage in carb jets or injectors. Thats a seperate matter.
Fuel feed is fron tank to filter, to pump then carb or injector pump then fuel rail and injectors.
Drove my father nuts, his classic Mercury 50 would get on a plane and start "limping" , there is a liner in the fuel line that would come loose from the inside of the hose. It's a weak little clear plastic lining that this ethanol gas would dissolve the glue holding to the fuel line walls, that liner is weak, when you throw fuel pump pressure to it the inner hose would clamp shut. Think like sucking a soda straw flat. Couldn't get enough gas w that restriction.
Always use non-ethanol gas. Always.
Thanks that was a nice methodical way to approach this outboard problem, Now back to my engine and let me do what you did....thanks again
Replacing parts until you fix an issue is not what I would call methodical! There is a much easier and faster way to diagnose problems like this, Unfortunately I did not go to school and learn my trade to teach others for free on UA-cam!
Good job. You were very clear and concise with your explanation.
good video,i have the same problem with my mercury 15hp,I think its is also problem from the fuel filter but I will take it out and wash,will try soon
Good Job, Roland. Nice information here 😉. Glad she's running good for ya now. Things breakdown so fast these days. Impellers are the LIFE of those little outboards. We've seen them come in in pieces from people who dry crank their engines 😱. I remember using old metal fuel tanks. Those things were heavy! It was a relief when they started making the plastic ones. Those newer mercs are nice! Mark loves those 😊 Great Vid!
Good job, you were on right track after changing the water pump prop.. if your problem did no go away after changing the fuel filter next to check is fuel pump if its good the clean up the carburetor its common for outboard motor carburetor to get built up with gung and get blocked.
It solved the issue and worked great after the fuel filter and new fuel line.
Thanks. I had the same problem with my last boat overheating and shutting down. Great fuel feed insight. Thanks much!
Thanks for visiting!
Tank you, you just described my entire problem. I am going to try this and I will let you know what happens.
Thanks for the video I have a 2014 Suzuki that is doing the exact same thing after a long trip to Rockport Texas. Came home to flush my engine and it ran great idling for 5 minutes then started chugging and check engine light comes on. I turn it off and start back up - same thing, runs good for a min of two then chugs and dies. I think this information will probably solve my problem as well. Thanks!!!
You are welcome! good luck with it
I had the same thing happen to mine and it actually quit running and wouldn't start. I started at the tank and it had a screen filter in the tank on the end of the pickup tube that had got clogged enough to collapse the tube and it actually fell off the nipple at the top of the tank. Fixed that and thought my problem was solved but it wasn't and then I found the little filter that you showed and they actually sold me just the filter, that was march 2021. It runs good now.
Thanks for the awesome video! I'm having the same issue with my 40hp mercury. I'm gonna go outside an look at it
This was my problem. Thanks
thanks for the info,just bought a project boat ,with a 86 60 horse mercthats been sitting for 10 yrs
Cool and good luck with the project. Do you hope to have it in the water this year?
These are all still good things to check replace regardless
Of your problem
Gonna do it today
Thx for reminder
Good luck! :-D
Thank you for this video. My fuel filter looked just like yours. Hoping this will fix my issue. 2004 Mercury 60 hp 4 stroke starts up, runs for 10 minutes then stalls. Question> Should the primer bulb be solid the entire time while the boat is running?