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