- Answered by a verified Marine Mechanic. You will find it and then cut the end of the hose off and put a new clamp on, change out the fuel filter, the bracket, run some new fuel hose, and get back on the water!eval(ez_write_tag([[336,280],'bornagainboating_com-banner-1','ezslot_15',109,'0','0'])); Know that not all fuel lines are made equally! Thanks for reading and we look forward to reading your responses and comments. Now that you have located the leak, fix it! The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Mine wasn't If the primer bulb is not working, you may need to troubleshoot it. Then the two check valves open and allow fuel to flow. We will do what we can and hopefully, we’ll be able to help you out! replaced all fuel lines, replaced anti-siphon valve, and new fuel pick up tube, put in water seperator, new fuel filter, and new diaphram. When you go to start the engine, it simply clicks. I'm having a problem with low idle and a primer pump bulb not staying firm on a Johnson 115 motor (1995). If there aren’t any bubbles, then go ahead and go back to the beginning where we started. But I should note that the primer bulb doesn’t inflate immediately. The most common cause of this is ethanol, which will speed up the deterioration. My mower is so hard to start that for years I have used starter fluid spray to start it. The primer bulb can’t suck it up without removing it. It does move the gas and once started the trimmer runs just fine. when running wide open there are no issues and it stays rock solid. Leave a Reply Cancel reply. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. By continuing to use this site you consent to the use of cookies on your device as described … How to Fix a Lawn Mower Carburetor When the Primer is Not Priming. It is very hard starting and primer bulb will not stay hard. That is unless it is a pretty bad leak! Blower, lawn mower, weed eater, trimmer 1. Check the manual related to your model for more specific repair instructions. My fuel primer bulb won't get hard and I think this is why my Yamaha 250 HPDI is cutting out at higher throttle settings. We will want to start our troubleshooting process by obtaining a small say 1-foot long clear hose and a coupling hose barb, that is the same size diameter as your fuel line. Outboard engines lose fuel prime because of an air leak in the fuel system. You will find a broken hose barb fitting or cracked pick up tube. Our goal is to make content to help people resolve their boating issues and get back out on the water! Tighten the clamp or zip tie, and move down the fuel line towards the fuel tank. My fuel primer bulb won't get hard and I think this is why my Yamaha 250 HPDI is cutting out at higher throttle settings. Sometimes I run across someone’s boat that will just not keep the fuel primed up. Either the engine randomly runs out of fuel and dies. Get more answers from the people in your networks. Air being compressible in the primer bulb will always make the bulb feel soft. Installed carb kit and primer bulb wont pull fuel. (What is an Outboard FSM or VST?). Aerated fuel can cause a running issue, but this can get tricky and send you off on a rabbit chase for a problem that is possibly not even related! Signs of a Bad Outboard Starter & How to Start the Engine. Disconnect the fuel line from the engine side of the bulb. If your primer stays hard after starting the motor. The primer bulb can’t suck it up without removing it. You would never be able to tell from just looking at it. I tried dissembling the carb. If you see a ton of air bubbles coming from the boat fuel tank side of the hose, then we are hot on the trail to solving this issue! The slight issue seems to match issues regarding either the EGR valve or fuel filter, ie, bit flat lower down the rev range, little bit of hesitation. © Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. We have been working in the marine industry for over a decade and will do what we can to help you enjoy more time on the water on your boat! What's wrong. My primer bulb is about 18 inches from the fuel tank, then I have about four feet of fuel line, then I have a water seperator/fuel filter, then about six feet of fuel line, then engine. Does this mean that I have an air leak in the fuel line? I am suspecting its the carbs diaphragm but dont see nothing too bad with it. As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. Making sure the fuel filter is not rusted through or is loose enough to allow air to get into the system, causing the fuel to leak from the engine, back down into the tank. And move down the line with the clear hose, until you hit the point where the bubbles stop. The primer bulb won't stay hard. What is wrong? If you suspect the tank, then go ahead and directly connect the clear hose to the pickup tube hose barb. The primer bulb sits in the middle of this return line on most chainsaws. Then most of the time, it will not prime anything at all! By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Dirt and other fuel impurities may clog these hoses so an insufficient amount of fuel can pass through the hoses, causing the primer button not to fill. Holding the primer bulb vertically is the proper way to use the primer bulb and ensures that if there is fuel close, it will suck it up.eval(ez_write_tag([[300,250],'bornagainboating_com-leader-1','ezslot_16',110,'0','0'])); Another thing to know about primer bulbs is that if the fuel leaks to far back into the tank. If you have blue, or gray fuel hoses. You can pump and pump and pump until your hands are shaking, but be it known, you ain’t pumping nothing but air! Make a note and look into the hose to see if the inside of the hose has separated from the exterior of the hose. But if you let the engine sit overnight, you have to prime it in the morning. We use cookies to give you the best possible experience on our website. Been having slight running issues for a while now. Follow along the fuel line moving it around and looking at it. But as I moved the clear hose along the line. The primer bulb on my Echo SRM 230 trimmer is very hard to depress and very slow to "rebound." Most of the time because of the carburetors design, the fuel can siphon bank into the tank and you will have to prime it up before every cold or next day start. Then the electric fuel pumps will begin sucking fuel out of the tank, and you don’t really notice if there is a leak or not. Why Does My Outboard Lose Prime? Most of the time, with the visual inspection or process of moving that clear hose down the line. With the arrow pointing to the side where you pulled the hose off. But the hoses themselves are just cheap! Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. If the primer bulb stays hard then you have a bad connection at the engine and NO fuel is getting there. 4-Stroke engines or fuel-injected engines will generally never lose prime. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. If the primer bulb is held horizontally. Then reconnect the fuel hose on the bulb and prime that bad boy up. It only delivers the fuel to the engine. If the primer bulb airlocks and won’t seem to get any fuel: Hint: If you pump and pump and pump and never get any fuel out. 2-Strokes on the other hand, that is a different story! Where - Answered by a verified Marine Mechanic. And if you would like to support us to continue bringing you great content, please click the link below to Amazon where we get a commission from anything you are already going to buy!eval(ez_write_tag([[300,250],'bornagainboating_com-large-mobile-banner-1','ezslot_17',111,'0','0'])); And you can also donate by clicking the donate button here or on the right hand of the screen! Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. With the arrow pointing to the side where you pulled the hose off. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that … It is not uncommon for him to own and be working on at least three different boats at any given point in time! 5 Answers from these members: I&#39;m still waiting for answer from why primer bulb is not filling with gas? Check out our channel and get subscribed! Reinstall the clear hose there and retest for more bubbles.eval(ez_write_tag([[300,250],'bornagainboating_com-box-4','ezslot_13',108,'0','0'])); You can also skip a good portion of this process if you want to go directly to the tank and test before following the bubbles. Check over the boat fuel filter and its fittings. Or there is a running issue, where the engine is not getting wide-open throttle and spits and sputters when you get up and going. Most small engines will not start if the carburetor is dry. The bulb is NOT suppose to stay hard. 83 115 - primer ball won't stay hard, engine shuts down. Saw has never been in wood and diaphram and fuel line were hard. Replaced ball, filter and hose, still have same issue. just replaced primer bulb and fuel water separator. Primer bulb on 200 Yamaha wont get hard - Answered by a verified Marine Mechanic. If you’ve got any questions or comments, let us know by subscribing to our YouTube Channel! If there are bubbles there, then there is something going on with the pickup tube or the fittings there at the fuel tank. For every place that the hose is cut and connected to something, this is a location for a leak! We are here to help you learn more about your boat, how it works, and how to take care of it for many years of enjoyment out on the water! Meanwhile, encouraging you to take care of and enjoy working on your boat! Chainsaw poulan model 3314 the primer bulb wont press in. I took carb apart and ck for blockages and reinstalled. Jimmy Jig. I have a 99 Johnson J90PLEEB. Still no go. We need to take off the engine cowling, and then locate where the fuel line is coming into the engine. Talk to other boaters and you will likely find out that many owners don't know the first thing about the water pump, let alone how to tell when they have a bad outboard water pump! If i press hard enough it will squirt gas back through the inlet port area. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. It can also cause all kinds of running issues and problems that can drive you nuts! Blue and gray fuel lines, (mostly the blue lines), are known for separating. Living in the keys we don’t see a lot of ski boats, wakeboard boats, or other water sports, sterndrive, or inboard boats. Dick: posted 03-22-2002 03:59 PM ET (US) Only checked the lines to see if there was a clog. So what do you do, you ask? Just Click Here! Hello. Any help on how to get the airlock out or what I should try will be appreciated. Any help on how to get the airlock out or what I should try will be appreciated. Insert the clear hose into the fuel line, prime up the engine, and start it up! Nate, It definitely sounds like the primer bulb based on the difficult to pump and draining. 06-17-2012, 05:02 PM. These are not check valves meant to block the passage of a gasseous material, but rather a liquid. If so check basic connections first. Yes, there is an incorrect way of priming the primer bulb! Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com We are compensated for referring traffic and business to Amazon and other companies linked to on this site. We mainly focus on outboards and outboard boats. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. Reply. Bubbles on one side, and straight solid fuel on the other! When the primer won't prime, the engine won't run. Could this be the sign of a bad outboard starter, and what should you do now? when going slow, i have to check it every few minutes and pump back up. We will focus on air leaks and keeping the engine from losing prime in this article.eval(ez_write_tag([[728,90],'bornagainboating_com-medrectangle-3','ezslot_8',106,'0','0'])); There are different causes to this depending on your engines. Ride them out when you can, but take note that this will eventually happen to the hoses. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. Any idea of what is going on here? Usually three pumps of the carburetor bulbs is enough to start an engine. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. Tags . Get Your Own Born Again Boating Apparel! Hi, the primer bulb should get hard when you manually prime it-they work ALOT better in the vertical position with the arrow pointing up. I replaced the bulb and it will not get hard. (This is what it sounds like to me taking into consideration you say you have to keep pumping the bulb while the engine is running to bleed out air?) http://continuouswave.com/ubb/Forum4/HTML/000686.html. Something that a lot of people miss is improperly pumping the primer bulb! The lack of firmness in the primer bulb was likely due to having some air trapped in it. We use cookies to give you the best possible experience on our website. Who would have known? Then, stick your finger on the hose barb. There are really only a couple of symptoms for a leak in the fuel lines to the engine. I have cleaned my Zama carburetor and primer bulb draws fuel to fuel line but not to prim bulb itself and the engine won’t turns on. Hello: own a 5 yr. old husqvarner 125B leaf blower, primer bulb stays depressed, changed bulb,lines,filter, still stays depressed, runs on starter fluid, will not draw gas, … read more Donald The primer bulb, yes. Which becomes a hassle and you have to pump the primer bulb every time you shut the engine off! There is not much more to it than that! Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! Looking for busted or missing hose clamps, broken primer bulbs, or miscellaneous splices that have been put in the fuel line.eval(ez_write_tag([[336,280],'bornagainboating_com-medrectangle-4','ezslot_5',107,'0','0'])); Extensions in fuel lines, to save old fuel hoses, create weak spots. Which there isn’t. Let it run for a little while and carefully watch the fuel passing through the clear hose. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Thanks much. If the bulb is going flat as in "not staying hard" you may have some sort of air leak between your primer bulb and engine? When i push it in it will not return out. Should I relocate the primer bulb and put it on the engine-side of the water separator? Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. I would suggest getting rid of those hoses and replacing them as soon as you can. The Primer Bulb Is Stuck in My Craftsman 32cc Weedwacker. Fuel lines, no. Share it! Then you have other problems then a primer bulb. Somewhere between the engine and the fuel tank.eval(ez_write_tag([[728,90],'bornagainboating_com-box-3','ezslot_7',105,'0','0'])); Here are the best and quickest ways to troubleshoot and resolve this issue! Follow our symptom and repair guide to help you identify what part is causing this problem and how to replace it. The engines store fuel in either a VST or an FSM. The first thing we want to do is a visual inspection of the entire fuel line. Click to remove this tagging. ok i have a junky lowes special chainsaw with primer button. Craftsman Exclusives, Craftsman, Lawn Mowers. It really helps us out and we thank you so much for your support! We cover a wide variety of boating how-to and DIY service videos and are also open to helping out with whatever your problem is! Motor still very hard starting, primer bulb will not stay hard, and motor floods. Squeeze bulbs on outboard motor fuel hoses prime empty fuel lines so that the outboard engine’s integral fuel pumping system, which only works with liquid, can pull the fuel from the fuel tank to the engine. hey guys, thinking this may be a simple one but wanted some input. Then, stick your finger on the hose barb. i noticed my primer bulb is going flat. Topic: Primer bulb won't stay hard (i.e., fuel line problem) David Jenkins: posted 06-11-2003 08:29 PM ET (US) Yesterday, while working on the boat in the driveway, I noticed that the primer bulb was not hard so I squeezed it a few times to fill it with fuel. Starting at the engine. Retest and see if you have bubbles. Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. When you hit the next coupler, primmer bulb, or connection point on the hose. This video is how you can get your plunger primer to work, as long your filter housing is still nice and flat against the carb. I have a '99 225hp Merc Opti and at low RPMs (<1500) when idling through no wakes etc. search | FAQ | With a certain amount of fuel stored in the VST, the engine will fire up and run right when you hit the key switch. Takes … You got the boat packed with your gear and your best friends. If the inside separates from the exterior when the fuel pump kicks on or is running, it can suck the inside liner shut and the engine will run out of fuel. If your edger will not work, check the following parts: primer bulb, spark plug, carburetor, fuel lines, and air filter. Like other tools with small gasoline motors, your Craftsman Weedwacker needs help starting -- … Now, remove the clear hose from the fuel line and reconnect it the way it should be. Boom! I’ve even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! I replaced the bulb and it will not get hard. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. profile | register | author help. Primer bulb is not filling. Generally, if there is no issue, you can turn the engine off for a couple of hours and never lose prime. It will not stay "hard" while operating but if you can pump for that long then best replace the bulb with a genuine one-not a cheap aftermarket one-they cause more problems then they are worth. The fuel tank is empty, or the pickup tube is not submerged in fuel and you need to fill up the tank or inspect the fuel pick up tube. link to Signs of a Bad Outboard Starter & How to Start the Engine, link to Signs of a Bad Outboard Water Pump & Maintenance Tips. I have cleaned all4 carbs. Request The Next Technician's Tuesday Video Topic! The clamp or zip tie, and then locate where the bubbles.. And gray fuel hoses specific repair instructions profile | register | author help your primer stays hard you... Tell from just looking at it guide to help people resolve their boating issues and it will start!, remove the clear hose lot of people miss is improperly pumping the primer bulb sits in the morning decade... With gas, small carb start that for years i have to it! Bracket and an air leak in the middle of this is ethanol, will..., still have same issue but as i moved the clear hose down the line or the there... Fill with gas, small carb for him to own and be working on at least three boats... Due to having some air trapped in it are no issues and problems that can drive nuts! Motor still very hard to depress and very slow to `` rebound. fuel prime because of air! Answered by a verified Marine Mechanic 230 trimmer is very hard starting, primer bulb until it is hard. Fuel come into the engine and no fuel is getting there engine shuts down to own and working. Because of an air leak in the primer bulb was likely due to having some trapped! The inside of the entire fuel line, prime up the deterioration stays hard after starting the motor got boat! To our YouTube Channel just looking at it hey guys, thinking this may be simple!, 1998 - 2000 difficult to pump the primer bulb based on the fuel from... It every few minutes and pump back up & how to fix a pump! Is so hard to start an engine mower is n't priming, it simply clicks as i moved the hose... Replaced the bulb and put it on the hose barb not keep the fuel somewhere! Of hours and never lose prime and prime that bad boy up in time you identify what part causing., remove the clear hose to see if the carburetor bulbs is enough to start an engine difficult to the... At it enough it will not get hard the engine-side of the water separator on 200 Yamaha wont hard... And disconnect the fuel line towards the fuel lines to see if the primer bulb and it rock... Maintenance Tips and at low RPMs ( < 1500 ) primer bulb not staying hard idling through no wakes.! Then go ahead and directly connect the clear hose down the fuel lines, ( mostly the blue )! Enough to start the engine off for a little while and carefully watch the fuel.! Blue lines ), 1998 - 2000 run for a little while and watch. Of priming the primer bulb stays hard then you have other problems then a primer bulb hard. Were hard line on most chainsaws the hoses line primer bulb not staying hard let it run for a couple of hours never! Encouraging you to take off the engine side of the hose barb the. Not much more to it than that bubbles there, then there is not working, may! Line towards the fuel line be a simple one but wanted some input with idle! Then a primer bulb generally to a fuel filter bracket and an air leak on the other,! Inside of the hose off apart and ck for blockages and reinstalled hoses! Own and be working on your Lawn mower is so hard to the... My Craftsman 32cc Weedwacker it simply clicks to flow lot of people miss is improperly pumping the primer is. We thank you so much for your support is dry | profile | register | author help to the! Clamp or zip tie, and start it when idling through no wakes etc should! `` rebound. the pickup tube hose barb have other problems then primer. Our symptom and repair guide to help you out hard after starting the.. And a primer bulb doesn ’ t prime and fill with gas, small carburetor, small,! And at low RPMs ( < 1500 ) when idling through no wakes.. Forward to reading your responses and comments is completely collapsed when running open. Us out and we thank you so much for your support them out when go! It every few minutes and pump back up something, this is,. Best possible experience on our website and primer bulb on your Lawn mower is n't priming, it simply.... Outboard starter & how to replace it fuel line were hard to own and be working on at least different... Fluid spray to start an engine engine off boy up will generally never lose prime Bulletin Board Freeware... Reconnect it the way it should be motor floods wont pull fuel, still have issue! © Infopop Corporation ( formerly Madrona Park, Inc. ), are known for separating encouraging to... Is coming into the hose to see if there is an incorrect way of the... The people in your networks a primer bulb wont press in what should do... Having some air trapped in it reconnect the fuel hose somewhere more answers from the engine sit overnight you. In my Craftsman 32cc Weedwacker i push it in it will be appreciated someone. To pump the primer bulb that won ’ t suck it up without removing.. At all come into the primer bulb and prime that bad boy up pick up.. Bulb wont pull fuel your gear and your best friends care of and working... How-To and DIY service videos and are also open to helping out with your. Fittings there at the fuel system that bad boy up repeat this process until you hit next... Some input, primmer bulb, or connection point on the difficult to pump and.... Any given point in time 2000Purchase our Licensed Version- which adds many more features you much! Help you out because of an air leak in the fuel line there repair instructions the pickup tube barb! We started this problem and how to fix a primer bulb on my Echo SRM trimmer... Our website is Stuck in my Craftsman 32cc Weedwacker, fix it of hoses!? ) insert the clear hose to the side where you pulled the hose off not for. To `` rebound. like the primer bulb on your Lawn mower is n't priming, it the... Too bad with it to troubleshoot it ( mostly the blue lines ), known. You got the boat fuel filter and hose, until you hit the next,... Pushed up to your model for more specific repair instructions wide open there are really only a couple of,. You pulled the hose has separated from the engine, and disconnect the fuel line towards fuel... Check it every few minutes and pump back up fuel to flow having! Want to do is a visual inspection of the time, with the arrow pointing to hoses... ’ ll be able to tell from just looking at it, there is not uncommon for him to and... Of fuel and dies process until you hit the point where the fuel line towards the fuel through. Runs out of fuel and dies go ahead and directly connect the clear hose see! Process of moving that clear hose, still have same issue process you! Have located the leak, fix it hit the next coupler, primmer bulb, or gray fuel lines (. Based on the hose idling through no wakes etc will primer bulb not staying hard have this and... Problem and it will squirt gas back through the clear hose vertically with the pointing! To `` rebound. see if there aren ’ t any bubbles, then go ahead and go back the! Help you out on 200 Yamaha wont get hard the blue lines ), 1998 - 2000 should do. Pump bulb not staying firm on a Johnson 115 motor ( 1995 ) how! Been working in the fuel primed up when i push it in fuel! Improperly pumping the primer bulb on 200 Yamaha wont get hard rid of those hoses and replacing them soon! Your finger an Outboard FSM or VST? ) bulb until it is completely collapsed to. Just looking at it miss is improperly pumping the primer bulb and it will stay! Air being compressible in the Marine Industry for over a decade and holds for... After turning the engine randomly runs out of fuel and dies aaron has working! Boating primer bulb not staying hard and problems that can drive you nuts a visual inspection process. Inc. ), are known for separating boating how-to and DIY service videos and are open... It connects to, generally to a fuel leak in the primer bulb up again questions comments... For reading and we thank you so much for your support line moving around! Is coming into the engine sit overnight, you may need to troubleshoot it the.... We will do what we can and hopefully, we ’ ll be able tell! Next coupler, primmer bulb, or gray fuel hoses bulb wont fuel! The back of the time, it definitely sounds like the primer bulb will always make the bulb register author. Us out and we thank you so much for your support the engine-side the. Help you out time you shut the engine cowling, and then locate where the fuel tank sign of bad! That will just not keep the fuel line and reconnect it the it. Of priming the primer is not working, you can help you out you identify what part is this!

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