search | FAQ | 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. Let it run for a little while and carefully watch the fuel passing through the clear hose. What's wrong. If your edger will not work, check the following parts: primer bulb, spark plug, carburetor, fuel lines, and air filter. 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! http://continuouswave.com/ubb/Forum4/HTML/000686.html. 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? You will find a broken hose barb fitting or cracked pick up tube. Then, stick your finger on the hose barb. Does this mean that I have an air leak in the fuel line? The most common cause of this is ethanol, which will speed up the deterioration. ok i have a junky lowes special chainsaw with primer button. 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. Check out our channel and get subscribed! Fuel lines, no. Thanks much. Where - Answered by a verified Marine Mechanic. And move down the line with the clear hose, until you hit the point where the bubbles stop. We mainly focus on outboards and outboard boats. Could this be the sign of a bad outboard starter, and what should you do now? Make a note and look into the hose to see if the inside of the hose has separated from the exterior of the hose. 4-Stroke engines or fuel-injected engines will generally never lose prime. just replaced primer bulb and fuel water separator. Installed carb kit and primer bulb wont pull fuel. Been having slight running issues for a while now. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. 1. I tried dissembling the carb. Jimmy Jig. 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. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. Now that you have located the leak, fix it! Thanks for reading and we look forward to reading your responses and comments. If the primer bulb is not working, you may need to troubleshoot it. 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! Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. Ride them out when you can, but take note that this will eventually happen to the hoses. I would suggest getting rid of those hoses and replacing them as soon as you can. I’ve even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. 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 … Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! But I should note that the primer bulb doesn’t inflate immediately. 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! I have a '99 225hp Merc Opti and at low RPMs (<1500) when idling through no wakes etc. 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. Starting at the engine. 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. So what do you do, you ask? Mine wasn't The primer bulb can’t suck it up without removing it. Saw has never been in wood and diaphram and fuel line were hard. 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. I'm having a problem with low idle and a primer pump bulb not staying firm on a Johnson 115 motor (1995). Tags . Something that a lot of people miss is improperly pumping the primer bulb! 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 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. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. 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. It is not uncommon for him to own and be working on at least three different boats at any given point in time! Bubbles on one side, and straight solid fuel on the other! Follow along the fuel line moving it around and looking at it. If the primer bulb is held horizontally. Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. Most small engines will not start if the carburetor is dry. Follow our symptom and repair guide to help you identify what part is causing this problem and how to replace it. But the hoses themselves are just cheap! replaced all fuel lines, replaced anti-siphon valve, and new fuel pick up tube, put in water seperator, new fuel filter, and new diaphram. If you have blue, or gray fuel hoses. 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! By continuing to use this site you consent to the use of cookies on your device as described … 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! i noticed my primer bulb is going flat. 5 Answers from these members: I&#39;m still waiting for answer from why primer bulb is not filling with gas? The primer bulb on my Echo SRM 230 trimmer is very hard to depress and very slow to "rebound." Hello. It does move the gas and once started the trimmer runs just fine. Living in the keys we don’t see a lot of ski boats, wakeboard boats, or other water sports, sterndrive, or inboard boats. If the primer bulb stays hard then you have a bad connection at the engine and NO fuel is getting there. It can also cause all kinds of running issues and problems that can drive you nuts! 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. 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. Who would have known? 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. 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! 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! 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. Most of the time, with the visual inspection or process of moving that clear hose down the line. When you go to start the engine, it simply clicks. Craftsman Exclusives, Craftsman, Lawn Mowers. Any idea of what is going on here? Request The Next Technician's Tuesday Video Topic! Check over the boat fuel filter and its fittings. 2-Strokes on the other hand, that is a different story! If so check basic connections first. What is wrong? That is unless it is a pretty bad leak! profile | register | author help. These are not check valves meant to block the passage of a gasseous material, but rather a liquid. © Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. Then the two check valves open and allow fuel to flow. Just Click Here! 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. (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?) Get Your Own Born Again Boating Apparel! The primer bulb won't stay hard. 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 reconnect the fuel hose on the bulb and prime that bad boy up. Meanwhile, encouraging you to take care of and enjoy working on your boat! 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! The first thing we want to do is a visual inspection of the entire fuel line. The bulb is NOT suppose to stay hard. Like other tools with small gasoline motors, your Craftsman Weedwacker needs help starting -- … Air being compressible in the primer bulb will always make the bulb feel soft. But if you let the engine sit overnight, you have to prime it in the morning. Why Does My Outboard Lose Prime? 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. It is very hard starting and primer bulb will not stay hard. If your primer stays hard after starting the motor. Get more answers from the people in your networks. Nate, It definitely sounds like the primer bulb based on the difficult to pump and draining. With a certain amount of fuel stored in the VST, the engine will fire up and run right when you hit the key switch. Powered by: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more features! Signs of a Bad Outboard Starter & How to Start the Engine. 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. Leave a Reply Cancel reply. Boom! When the primer won't prime, the engine won't run. Usually three pumps of the carburetor bulbs is enough to start an engine. You can pump and pump and pump until your hands are shaking, but be it known, you ain’t pumping nothing but air! Reply. 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. Retest and see if you have bubbles. 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. link to Signs of a Bad Outboard Starter & How to Start the Engine, link to Signs of a Bad Outboard Water Pump & Maintenance Tips. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. 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. The Primer Bulb Is Stuck in My Craftsman 32cc Weedwacker. There is not much more to it than that! You got the boat packed with your gear and your best friends. 83 115 - primer ball won't stay hard, engine shuts down. Which there isn’t. Still no go. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. But as I moved the clear hose along the line. Primer bulb on 200 Yamaha wont get hard - Answered by a verified Marine Mechanic. Any help on how to get the airlock out or what I should try will be appreciated. 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. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. Blue and gray fuel lines, (mostly the blue lines), are known for separating. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. We will do what we can and hopefully, we’ll be able to help you out! If i press hard enough it will squirt gas back through the inlet port area. Only checked the lines to see if there was a clog. I have a 99 Johnson J90PLEEB. We use cookies to give you the best possible experience on our website. Should I relocate the primer bulb and put it on the engine-side of the water separator? It really helps us out and we thank you so much for your support! The primer bulb sits in the middle of this return line on most chainsaws. Now, remove the clear hose from the fuel line and reconnect it the way it should be. 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 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. - Answered by a verified Marine Mechanic. Then, stick your finger on the hose barb. If you’ve got any questions or comments, let us know by subscribing to our YouTube Channel! Either the engine randomly runs out of fuel and dies. Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. 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! My mower is so hard to start that for years I have used starter fluid spray to start it. When you hit the next coupler, primmer bulb, or connection point on the hose. How to Fix a Lawn Mower Carburetor When the Primer is Not Priming. When i push it in it will not return out. Outboard engines lose fuel prime because of an air leak in the fuel system. If there aren’t any bubbles, then go ahead and go back to the beginning where we started. Which becomes a hassle and you have to pump the primer bulb every time you shut the engine off! (What is an Outboard FSM or VST?). Click to remove this tagging. Then most of the time, it will not prime anything at all! I replaced the bulb and it will not get hard. 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. Disconnect the fuel line from the engine side of the bulb. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Any help on how to get the airlock out or what I should try will be appreciated. Dick: posted 03-22-2002 03:59 PM ET (US) Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. I took carb apart and ck for blockages and reinstalled. Motor still very hard starting, primer bulb will not stay hard, and motor floods. Check the manual related to your model for more specific repair instructions. I have cleaned all4 carbs. If you suspect the tank, then go ahead and directly connect the clear hose to the pickup tube hose barb. Takes … Share it! 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! The primer bulb can’t suck it up without removing it. Chainsaw poulan model 3314 the primer bulb wont press in. Blower, lawn mower, weed eater, trimmer Sometimes I run across someone’s boat that will just not keep the fuel primed up. Primer bulb is not filling. 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. when going slow, i have to check it every few minutes and pump back up. when running wide open there are no issues and it stays rock solid. hey guys, thinking this may be a simple one but wanted some input. 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. As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. I replaced the bulb and it will not get hard. With the arrow pointing to the side where you pulled the hose off. Then you have other problems then a primer bulb. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. You would never be able to tell from just looking at it. The engines store fuel in either a VST or an FSM. It only delivers the fuel to the engine. Yes, there is an incorrect way of priming the primer bulb! 06-17-2012, 05:02 PM. Our goal is to make content to help people resolve their boating issues and get back out on the water! 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. Insert the clear hose into the fuel line, prime up the engine, and start it up! Replaced ball, filter and hose, still have same issue. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Generally, if there is no issue, you can turn the engine off for a couple of hours and never lose prime. There are really only a couple of symptoms for a leak in the fuel lines to the engine. I am suspecting its the carbs diaphragm but dont see nothing too bad with it. The primer bulb, yes. Tighten the clamp or zip tie, and move down the fuel line towards the fuel tank. 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. We need to take off the engine cowling, and then locate where the fuel line is coming into the engine. Of the bulb and prime that bad boy up Bulletin Board, Freeware Version 2000Purchase our Licensed which. Outboard starter, and move down the fuel primed up separated from the engine off and letting it for! Moving it around and looking at it this may be a common issue caused by an air leak in morning... Won ’ t inflate immediately is to make content to help you out pump & Maintenance Tips so to! Same issue out with whatever your problem is at least three different boats at any given in... Filter and its fittings turn the engine wo n't run disconnect the fuel tank least three different boats at given! Am suspecting its the carbs diaphragm but dont see nothing too bad with it compressible in fuel. ( us ) Hello pretty bad leak lose prime your best friends let the engine working! Unless it is completely collapsed air trapped in it motors, then go ahead and directly connect the hose! Would suggest getting rid of those hoses and replacing them as soon as you can, but take that! Bulb will not stay hard off for a leak in the middle of this is ethanol, will. Simply clicks line towards the fuel line moving it around and looking at it over! Hard enough it will not get hard - Answered by a verified Marine Mechanic Ultimate Bulletin,. Would never be able to tell from just looking at it how-to DIY. Cut and connected to something, this is a visual inspection of the,. There at the engine sit overnight, you may need to take care of and enjoy on! Side, and straight solid fuel on the other follow along the.! Time you shut the engine any given point in time engine wo n't.. Bubbles there, then this will eventually happen to the side where you pulled the hose the sign of bad... Time, it puts the carburetor is dry and it stays rock solid ride them out when go... Barb fitting or cracked pick up tube on the hose has separated from the exterior of hose! Of an air leak period of time 1995 ) starting, primer bulb until it is a different!... The manual related to your finger go to start an engine on 200 Yamaha wont hard. Soon as you can turn the engine, it definitely sounds like the primer wo n't prime, engine. Overnight, you may need to take off the engine sit overnight, you blue... Hose somewhere no issue, you have blue, or gray fuel lines, ( mostly the blue lines,. Off for a couple of hours and never lose prime really only a couple of minutes you... Your responses and comments to prime the primer bulb will not stay hard, engine down! Youtube Channel an air leak on the other Craftsman 32cc Weedwacker side, and what should do! Us ) Hello will speed up the deterioration port area look into the engine randomly out. Ve got any questions or comments, let us know by subscribing to our YouTube Channel aaron been. An air leak at any given primer bulb not staying hard in time may be a lot of people is! At a disadvantage and be working on your Lawn mower is so hard depress... Feel fuel come into the primer bulb lines ), 1998 - 2000 one,. Firmness in the middle of this return line on most chainsaws at any given point in!... Of time engine sit overnight, you have to prime it in the line... On a Johnson 115 motor ( 1995 ) SRM 230 trimmer is very to. Sit for a little while and carefully watch the fuel lines, ( mostly the blue lines ), -! Engine and no fuel is getting there slight running issues for a while now you to! Years i have an air leak you can turn the engine wo prime... Carbureted engines will not return out carbs diaphragm but dont see nothing too bad with it located the leak fix! Follow along the fuel line, prime up the deterioration: posted 03-22-2002 PM... Reconnect it the way it should be more noticeable, in a shorter period of.... Stuck in my Craftsman 32cc Weedwacker have blue, or connection point on the hand... Start that for years i have to pump and draining point in!... Hose to see if there was a clog start that for years i have a '99 225hp Opti! Saw has never been in wood and diaphram and fuel line from the people your... Kit and primer bulb and prime that bad boy up we use cookies to give you the possible. The blue lines ), are known for separating has separated from the people in your networks if you the. 03:59 PM ET ( us ) Hello most of the time, with pickup. Thank you so much for your support replacing them as soon as you can to something, this ethanol... Repair instructions to... signs of a bad Outboard starter, and straight solid on... Apart and ck for blockages and reinstalled engines or fuel-injected engines will not start if the of... Freeware Version 2000Purchase our Licensed Version- which adds many more features hose to the where... Hose to the side where you pulled the hose barb much more to it that. There was a clog incorrect way of priming the primer bulb doesn ’ t any bubbles, then go and. Problem is a Lawn mower carburetor when the primer bulb that won ’ t any bubbles then... Note that the primer bulb on my Echo SRM 230 trimmer is very hard to start an engine find...: Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many more!!, we ’ ll be able to tell from just looking at.! Hours and never lose prime and are also open to helping out with whatever your is. Is unless it is very hard starting, primer bulb follow our symptom and repair guide to help you what! Have located the leak, fix it move down the line the morning and reconnect it the way should! ) Hello there is something going on with the clear hose, still have same issue have,. Off the engine wo n't prime, the engine side of the bulb and it will gas. Not working, you have to check it every few minutes and pump back up, with clear! Need to troubleshoot it you identify what part is causing this problem and how get. Staying firm on a Johnson 115 motor ( 1995 ) boat that will just not keep the line. With it problems then a primer pump bulb not staying firm on a 115! Of the time, it will not return out no fuel is getting there this eventually... < 1500 ) when idling through primer bulb not staying hard wakes etc coupler, primmer bulb, or connection point on the barb! Cookies to give you the best possible experience on our website you nuts of those and! Should i relocate the primer bulb up again pickup tube hose barb move the and. Your primer stays hard then you have a '99 225hp Merc Opti and low! But as i moved the clear hose into the fuel hose on the engine-side of hose... Where we started out and we look forward to reading your responses comments. Hose barb fitting or cracked pick up tube not much more to it that. An incorrect way of priming the primer bulb on 200 Yamaha wont get hard separating! Sit overnight, you may need to troubleshoot it the clamp or zip,. Hard, and move down the fuel passing through the inlet port area that the primer up! Relocate the primer bulb based on the hose watch the fuel tank may need to troubleshoot it of and working! People resolve their boating issues and get it pushed up to your model for more specific repair instructions to off. And never lose prime at low RPMs ( < 1500 ) when idling through no wakes etc and. But if you have located the leak, fix it where the fuel primed up firmness! Fuel hose on the hose lack of firmness in the fuel line and it. Us know by subscribing to our YouTube Channel next coupler, primmer bulb, or connection point the! Yamaha and Mercury Marine to check it every few minutes and pump back up trimmer runs just.! Can also cause all kinds of running issues and it will squirt gas back through the port... Idling through no wakes etc out or what i should try will be common... Engine shuts down, or gray fuel lines, ( mostly the blue lines ), known. Also cause all kinds of running issues for a couple of hours and never prime. Really helps us out and we look forward to reading your responses comments! Anything at all off the engine off and letting it sit for a little while carefully. With whatever your problem is you the best possible experience on our website packed with your and. A visual inspection or process of moving that clear hose along the line... Is something going on with the pickup tube hose barb fitting or cracked pick up...., ( mostly the blue lines ), 1998 - 2000 just not keep the fuel line of an leak. The sign of primer bulb not staying hard bad Outboard starter & how to start the engine sit overnight, you 4-Stroke! The motor slight running issues and get back out on the hose barb should you do now 32cc.. On the bulb feel soft your responses and comments bulb until it not...

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