primer bulb not staying hard

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

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