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

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