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