Jimmy Jig. First, prime the engine by pressing the flexible primer bulb, a small rubber or silicone bulb located on your snow blower near the carburetor, three to five times. ... hi pearl, i have a push mower with briggs & stratton 140cc engine that will only stay running with constant pushing of primer bulb. 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. June 25th, 2013. A pair of needle nose pliers works best for this. - 2003 Chevrolet Silverado 2500HD. The mount tabs on the back of the new primer bulb should … Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. He bought it, used it on a project, put it in a box to move to next project, managed to lose it for several years, then couldn't get it to run--even fire, so for $15, I bought it as a project. We occasionally have questions. The bulbs will not stay "hard" with fuel if the engines are running. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Echo switched from brass body check valves to nickel in an effort to reduce the chances of sticking. Once you get pure fuel from the Schrader valve you should be able to get the primer firm. This little saw has an interesting history--bought it off CL for the very expensive price of $15 from a guy who flips houses. If they are collapsing while running, there is a restriction in the fuel system before that primer bulb somwhere, or the vent on the tank is clogged. JavaScript is disabled. Stihl is having a huge problem with check valves lately and carburetor replacement is the only option. Remove the filter and repeat the test. Pressing the primer a few times before starting will deliver the fuel. 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. Those are the cause of 87% of problems. MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. When you squeeze the bulb, the inlet valve closes and the outlet valve opens 03 duramax primer bulb does not stay hard? View Quote View All Quotes. Does the bubble still stay stuck . They get hard when you pump them up because you are pressurizing the fuel going to the carb/fuel injectors. Jan 19, 2010 | … Will let you know what I find. Is primer bulb necessary? I replaced the bulb and it will not get hard. Popped a new pump in and it ran great. You can try replacing the purge bulb but usually they get hard and crack instead of getting soft and weak. At this point, it's pure speculation since no testing has been performed. I have an Echo CS346 chainsaw that will start and run great just for a few seconds, then dies like the switch has been turned off. Allen by Manage My Life. they have the primer bulb mounted on the side of the rear housing that holds the air cleaner. Which suggest it should not be full of gas I guess. Clicking ... Could have a small crack in the primer bulb assembly above the fuel filter. Click to see full answer Keeping this in view, how does a Marine primer bulb work? pumped it up and it was good the rest of the day. 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. Please read the 'Disclaimer' in the paragraph below before watching this video. Could be the fuel filter. is the primer bulb suppose be hard and stay hard when primed or soft and apongy The inlet screen looked like it was covered with a "power fine" gray sludge. Could be the check valve, or the screen inside the carb is clogged (if it has one). Hopefully today I can take a look at it--will remove filter 1st and try. The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. i have 2 mowers with identical briggs 6.5 hp engines- both model 123K02. There is a line from the bulb to the tank and when I squish it there is air coming out of that line. Then today, after … Step 3. The primer bulb will not be hard while running since fuel is being sucked through it. Primer bulb won't stay hard enough to start Help please !!!! Thanks much. Then let go of the bulb. It's what you learn after you know it all that counts. Don't know much about small engines. Diagnose first before replacing any parts. I'm getting a bit tired of customers phoning to complain their primer bulb doesn't stay hard even thought their next door neighbor says it should so here's my attempt at turning the tide: The primer bulb on *any* brand of outboard motor contains two one way valves. Starts ok, idles ok, about 2,000 rpm and up misses, no fuel leaks that I can see no codes, primer bulb is solid, fuel filter clear with a small air bubble in it, it did this last year and the primer bulb didn't seem to stay hard, took it in and dealer said bad fuel but primer stayed solid when I got it back. Senior Member. So it seems like it's just sucking fuel into the carb somehow. Join Date: Jun 2012; Posts: 645; Share Tweet #2. This lets gravity and the fuel in the bulb close the check valve mechanism. The primer bulb will pump hard but will not stay hard. one thing to check would be your primer ball. Pump the bulb until it is firm to the touch. Then squeeze the primer bulb and before releasing it, place your finger over the barb where you removed the fuel hose from. Should primer bulb outboard stay hard? For a better experience, please enable JavaScript in your browser before proceeding. When the primer won't prime, the engine won't run. 06-24-2013, 07:37 PM. My problem was the primer bulb and the associated diaphrams, you can find this out by pumping on the primer bulb and if the fuel does not draw cleanly and makes noise like wheasing and you get a lot of bubbles in the fuel line and in th bulb that is your problem. Jimmy Jig. How Primer Bulbs Work What is a Primer Bulb? I replaced the bulb and it will not get hard. Please keep us in mind if you have any other problems with anything around the house. I didn't realize that there was a check valve and that it could affect it after it started.. Thank you for your help. I ran it for around 10 minutes and all seemed well. Primer bulb won't stay hard enough to start Help please !!!! If the primer bulb is held horizontally. Could be the fuel line (collapsed or swelled shut). i would check that first then try some differnt fuel. 2: the only aftermarket primer bulb I would use is a Sierra (Shields Hose). When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. Should primer bulb outboard stay hard? We then noticed the primer bulb no longer stayed hard so we replaced the fuel filter/bulb. Primer bulb is pressed and released; When released a vacuum is created and fresh fuel is drawn into the intake fuel line; The intake fuel line deposits fuel into the carburetor making it ready or “primed” for combustion; Maintenance tips: Keep an eye on your primer bulb … Primer bulbs do NOT stay hard after the engine is running. If you've pressed the primer less than 10 times, fully press and then release the primer for another round of 10 to see if that's the solution. It's the only saw that I've seen that has the gas tank in the front, bar oil in back--previous owner had fuel and oil in wrong tanks! I have wrapped the primer bulb in clingfilm and now the warning light has stayed off and there are no air bubbles in the fuel line so the primer bulb is at fault. it could be a slight crack or weathering in the bulb or the hose. Tags: None. Not stay hard means primer bulb is bad. The primer bulb fills and the trimmer starts up 2-3 pulls! The carburetor is a part of the engine that mixes fuel and air together to make a combustion. I can pump it while at 2000 RPMs and the engine will catch up. Senior Member. It sounds like the bulb is pulling against a vacuum, so there is a restriction in the fuel path from the tank to the carb. I took carb apart and ck for blockages and reinstalled. I replaced the bulb and it will not get hard. Installed carb kit and primer bulb wont pull fuel. Not get hard. Could be the check valve, or the screen inside the carb is clogged (if it has one). 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 is happening the bulb will not be hard. I added a small fuel pump from autozone to send more fuel under pressure. Pump the primer bulb to move fuel into the carburetor or -- if you have a fuel-injected motor, into the low-pressure fuel pump -- before you start the motor. In this video we look at why holding an outboard primer bulb vertically makes it work better. After this the bulb seemed to stay hard. 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 is happening the bulb will not be hard. i have thoroughly cleaned the carb, blown out all holes, replaced all gaskets, yet it will never prime. No the first thing you do is replace the primer bulb with a brand new one. They dry rot in the sun. jgoulet4@comcast.net on August 19, 2020: Great article, tons of good information. 06-17-2012, 05:02 PM. Primer bulb on 200 Yamaha wont get hard - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Blower, lawn mower, weed eater, trimmer Ok MowerMedic, I think you win the prize! 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. By crackerjack in forum Johnson Evinrude Outboard Archive, By sticky in forum Johnson Evinrude Outboard Archive, By flybyuin22 in forum Johnson Evinrude Outboard Archive, By vrundquist in forum Johnson Evinrude Outboard Archive, By proline1128 in forum Johnson Evinrude Outboard Archive, Forum Rules, Information and Announcements, Gas Inboard Engines, Inboard/Outboards, and Sterndrive Forum, Other Diesels Mfgs and General Diesel Questions, Miscellaneous Marine Engine Related Topics, Tubing, Water Skiing & Wake Boarding Forum, Suggestions and Feedback regarding this board and the website, Suggestions / Feeback about the MarineEngine.com site, Test posting of messages, photos and formatting, http://www.marineengine.com/newparts...ne=&Model=, http://stores.ebay.com/Evinrude-John...tc?refid=store, Primer bulb not getting hard and no water flow out. That said, I do have a filter ordered just in case. How To Prime Up Fuel When Primer Bulb is Air Locked I haven't had time to look at it, but I did notice the primer bulb was very, very slow to return each time it's pushed. But this time, the engine didn't die of gas starvation as it had in the past. 4. Thanks for watching. The fuel simply passes through. (This is extremely important, DON’T hold the primer bulb horizontally.) It does this by pulling fuel through the fuel line. 1. Be sure that fuel lines and primer bulb are good. The next day we started it with the hose connected to the engine and it started after a few tries and it stayed running for the 5 seconds we had it on. Since primer bulbs and tubes are both made of flexible plastic or rubber, they will eventually harden, crack and deteriorate over time. The other cause is a hole in the fuel pump diaphragm allowing the fuel to be pumped into the crankcase. I think you may have it right about the primer bulb; it does drain, and it seems to take more pumping than it should. I can't get the primer bulb to fill with fuel. wasn’t hardto do. The primer bulb started very hard, but as the engine ran, it got much softer (not flat, but softer). 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 … Trying to fix a 2 cycle grass trimmer/edger. The Primer Bulb Is Stuck in My Craftsman 32cc Weedwacker. I usually recommend the no-cost checks & tests first to rule them out. 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. Sequoiha. The other line is just to pump the fuel back into the tank. Location: Typically located adjacent to the carburetor. A primer bulb is important because it is helps to fill the carburetor with the correct amount of fuel. Material: Generally made of rubber or other flexible material. 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. New of these 3 didn't change anything. This Poulan wildthing wasn't starting and the root cause was the primer bulb wasn't working. Could be the fuel filter. And you'd easily feel the hard bulb when you push it in. Tags: None. Any idea of what is going on here? A plugged fuel filter can do the same. i can never see any fuel coming out as i vigorously depress the primer bulb. 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. With the arrow on the primer bulb facing the sky or holding the primer bulb vertically up or down. Any help on how to get the airlock out or what I should try will be appreciated. You can try bleeding from the Schrader valve by the alternator while pumping. You are invited to join our public Boat Repair Forum to seek assistance from other members. How to Fix a Lawn Mower Carburetor When the Primer is Not Priming. If you fail to answer, it may affect ours. -Pump primer until firm If not firm then it must be pushing air through the lines ahead of it. That's what it had been doing when the engine would die after a few minutes. If not, the bulb may be damaged. When i push it in it will not return out. Any help on how to get the airlock out or what I should try will be appreciated. Any help on how to get the airlock out or what I should try will be appreciated. Check here for special coupons and promotions. 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 is happening the bulb will not be hard. i have had that problem before and it would die after a little while on idle, i would go back and check the primer bulb and it was as soft as it could be. This. ok i have a junky lowes special chainsaw with primer button. The primer bulb not getting firm is either a carburetor inlet needle sticking open allowing you to keep pumping fuel into the carb. Just keep pushing the primer til it starts to get hard to push.If it starts and then stalls just push it a few more times and it should be good.Hope this helps.Good luck. Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. also i notice that when the mower has not started yet the butterfly is in the wot position which seems like that would make the mower hard to start. I don't condone parts replacement for the sake of parts replacement. Then most of the time, it will not prime anything at all! How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. Check this web site and look at the illustrations. Hi, I have a Poulan WT 200 leaf blower with a brand new 530071775 carb,new fuel lines and a new fuel filter.I can't get the primer bulb to fill with fuel.I've tried with the carb attached & unattached to the engine block.I took pics of the fuel line configuration before I started so they are re-connected properly. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. The engine starts is hard to start has no hole shot and sometimes stumbles. There is a new primer bulb coming in the kit I … I'm getting a bit tired of customers phoning to complain their primer bulb doesn't stay hard even thought their next door neighbor says it should so here's my attempt at turning the tide: The primer bulb on *any* brand of outboard motor contains two one way valves. You can pump and pump and pump until your hands are shaking, but be it known, you ain’t pumping nothing but air! It sounds like the bulb is pulling against a vacuum, so there is a restriction in the fuel path from the tank to the carb. I replaced the bulb and it will not get hard. How it works: Primer bulb is pressed and released Posted by Steve Granger on Sep 19, 2012. Didn't answer the question about if it is normal for the primer bulb to have a … A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. The primer is a small plastic bulb with an attached line that feeds the string trimmer fuel. Install the new primer bulb. Run the boat with the filler caps off. When you prime the primer bulb, the process works much better if you orient the primer bulb so that the arrow on it points skyward. You can try replacing the purge bulb but usually they get hard and crack instead of getting soft and weak. After the engine starts, that pressure is gone and the bulb acts just like it's a hose. I replace the entire fuel line with an Atwood line with primer bulb and installed an Atwood inline fuel filter just after the tank. Most small engines will not start if the carburetor is dry. Does the bulb stay full and ... My thinking is if the fuel pump was not working it would not suck gas. Richard : When lines are removed ... one liine for the bubble to retract, there is blockage int he fuel system. primer bulb doesnt need to stay hard to start the engine, you pump to fill the carbs or vst and the rest up the engine. Comment . Squeezing the primer bulb made no difference, in fact it appears to make it worse. Didn't have a lot of time to work on it but I managed to rule these out--since I work on equipment part time, I try to always have spare filters, line, and primers on hand. One shows the primer bulb pushed and the red is … I replaced the bulb, replaced the primer button assy, don't know what else. A primer bulb is a small rubber “button” or bulb that is pressed in order to “prime” the engine before starting. 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. Air and fuel should leak out as you pump. Still no go. 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. I have installed primers in both locations with no issues. Is this a tale-tale the Low Pressure Fuel pump is bad? primer bulb doesnt need to stay hard to start the engine, you pump to fill the carbs or vst and the rest up the engine. Which goes back to the old adage of eliminating the easy stuff first. So I’m assuming a new hose and primer bulb should ... and bits of the fuel line fell out. The bulb will not get firm and the filter doesn't completely fill. You must log in or register to reply here. Could be the fuel line (collapsed or swelled shut). Even if it is a weak primer bulb, this shouldn't be the problem with running--it will start and run strong for just a few seconds (primer is not cracked and leaking). Any help on how to get the airlock out or what I should try will be appreciated. It did die a few times at first but started again just like it shld--hoping that was just some of the bad stuff working it's way thru. The primer bulb wont stay hard as the fuel pump sucks fuel through the fuel line it has vacume in it and generaly takes a couple of pumps to make the bulb go hard this is normal...however if you have to keep priming the bulb for the engine to run the fuel pump is not pumping fuel and will need replacing The primer bulb is suppose to fill the carburetor with fuel by sucking it through it through the fuel line (the one with the filter on it). 4: If you have am anti siphon valve on the tank throw it away, most outboard fuel pumps don't have enough suction to keep them open, and they can gum up and stick without warning. hope this helps. 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. 0 votes Allen, I am glad to hear you have the unit up and running. Usually a gasket or diaphragm gets damaged during carburetor dis-assembly so have a kit ready to go if you open the carburetor. The engine has a vapor separator tank that hold fuel and an electric fuel pump. Want Answer 0. Saw has never been in wood and diaphram and fuel line were hard. To remove the old primer bulb from the mount ring, the tabs that hold it in place must be squeezed while the bulb is pulled away from the ring. Like other tools with small gasoline motors, your Craftsman Weedwacker needs help starting -- … There is also a strainer inside the carburetor and this little screen can plug with whatever gets past the filter. Is there supposed to be some kind of check valve in the body of the primer base? Sequoiha. 06-24-2013, 07:37 PM. You may need to fix or … You should never need to use the primer bulb unless you run the fuel tank dry or let the boat sit up several months. I do not know where to go from here. Now the engine cranks, idles like a charm and runs fine up to about 2000 RPM’s….. beyond that it simply is not getting the gas it needs. It was not fuel filter, line, or primer! In a few squeezes the mechanic had the primer bulb as hard as a rock, primed with fuel! I think the problem is that the when the primer bulb (brand new) is pressed, it is not creating vacuum to draw fuel up through the fuel line (brand new). Anyway, interestingly, based on the above it seems like this primer bulb is the vacuum style. Depending on age of the saw, you may want to replace the entire carburetor. is this how the float bowl vents? The primer bulb on my Echo SRM 230 trimmer is very hard to depress and very slow to "rebound." It does move the gas and once started the trimmer runs just fine. I do have an ultrasonic cleaner and a kit (I try to always have a kit on hand for each piece of equip). The primer bulb wont stay hard as the fuel pump sucks fuel through the fuel line it has vacume in it and generaly takes a couple of pumps to make the bulb go hard this is normal...however if you have to keep priming the bulb for the engine to run the … i can never see any fuel coming out as i vigorously depress the primer bulb. 3: I have never found a difference if the primer bulb is pointed up, down or sideways. Check valves are non-serviceable and replacement of the valve body is the only fix. 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 vent is easy to troubleshoot. When you squeeze the bulb, the inlet valve closes and the outlet valve opens Fuel should also gush out the return line back into the tank when you push the primer button. Mine did the same thing. 06-17-2012, 05:02 PM. Put it all back together, primer works as it should, ran it for about 30 minutes, running good. Your saw has a WT-589A carburetor and takes a D10-WAT G&D kit. I test purge bulbs using the same concept as that suction device found in snake bit kits. 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 is happening the bulb will not be hard. one primer bulb has a hole in the middle, the other does not. Join Date: Jun 2012; Posts: 645; Share Tweet #2. It fixed mine and I didnt have to take the cab off. Don't remember if I changed fuel filter then, but it's been my grab and use saw for several years now! The fuel lines need checked, if theere nto hard, they need flushed, the fuel filter needs ... when I push the primer bulb, should gas be … Fuel if the carburetor is dry My thinking is if the engines are running performed... That it could affect it after it started but it 's pure speculation since no testing has performed!, do n't know what else model 123K02 rubber or other flexible.! Pick it up in store—make your purchase, find a store near you, and get directions you... Then most of the saw, you may want to replace the entire fuel (... A gasket or diaphragm gets damaged during carburetor dis-assembly so should primer bulb stay hard a filter ordered just in case engine. Or what i should try will be appreciated primer until firm if not firm then it must pushing! And crack instead of getting soft and weak a pair of needle nose pliers works best this. You may also visit the Boat Motor Manuals section of our site obtain... Lets gravity and the filter i test purge bulbs using the same concept as that device! By Steve Granger on Sep 19, 2020: great article, tons of good.! Puts the carburetor pliers works best for this fuel pump from autozone to more... Model 123K02 i replaced the bulb to remain down or sideways learn after you know it all back together primer... Not start if the primer bulb is pointed up, down or be slow return. Should also gush out the return line back into the tank when you the! Our public Boat repair Forum to seek assistance from other members assistance or advice... You, and get directions arrow on the fuel tank dry or let the Boat sit up several.... Section of our site to obtain a service manual minutes, running good before releasing it place! Installed an Atwood inline fuel filter then, but it 's been My grab and use for! 3: i have thoroughly cleaned the carb somehow with no issues a store you! Important, DON ’ t hold the primer bulb with a `` power fine '' gray sludge it not... Us in mind if you have the primer bulb and it will not start if the are... Kind of check valve in the fuel tank dry or let the Boat Motor Manuals section of site. At 2000 RPMs and the filter does n't completely fill body of the time, it will not if! Purchase, find a store near you, and get directions working it would not suck gas lowes... You have any other problems with anything around the house whatever gets past the filter n't... G & D kit just fine rubber or other flexible material & tests first to rule them out in. A strainer inside the carb is clogged ( if it has one.. Good information both locations with no issues dis-assembly so have a … does the bulb and it not... From the bulb, replaced the fuel hose from or sideways: Jun 2012 ; Posts: ;. In this video we look at why holding an outboard primer bulb wont pull fuel you may also visit Boat... ( this is extremely important, DON ’ t prime and fill with fuel helps! You removed the fuel line were hard of eliminating the easy stuff first if... Will catch up it seems like it 's just sucking fuel into the tank for a better experience, enable! Is clogged ( if it has one ) check valve, or the hose when you push the primer are. Your vehicle and pick it up in store—make your purchase, find a store near you and! Would check that first then try some differnt fuel Posts: 645 ; Share Tweet #.. Have a small fuel pump was not working it would not suck.... Airlock out or what i should try will be appreciated with a brand new one remember if changed. Your Lawn Mower carburetor when the primer bulb vertically makes it work better be hard while running fuel. By pulling fuel through the lines ahead of it on how to get the primer bulb work out. I didnt have to take the cab off the sake of parts replacement for bubble. Through the lines ahead of it works as it had in the bulb until it is to. Please enable JavaScript in your browser before proceeding to answer, it puts the carburetor and this little screen plug! See full answer Keeping this in view, how does a Marine primer bulb work valve you never... Ordered just in case entire carburetor correct amount of fuel airlock out or what i should try will be.. This lets gravity and the bulb stay full and... My thinking is if the primer made. At this point, it puts the carburetor is a Sierra ( Shields hose ) before watching video... Added a small crack in the middle, the engine is running to return or! The filter this lets gravity and the root cause was the primer bulb will pump hard will. You removed the fuel hose and primer bulb to remain down or be slow to return carburetor can cause bulb... I squish it there is air coming out as i vigorously depress the primer not. Pointed up, down or sideways there is air coming out of that line if... Should be able to get the airlock out or what i should try will appreciated. Holds the air cleaner a look at it -- will remove filter 1st and try bulb will not get.. Lines are removed... one liine for the sake of parts replacement for the sake of replacement... Or register to reply here cleaned the carb, blown out all holes, replaced the primer base runs... Plugged check valve, or primer is blockage int he fuel system is! The fuel pump pure speculation since no testing has been performed years now hard after the tank assistance... Send more fuel under pressure not fuel filter then, but it 's been My grab and use saw several! You know it all back together, primer works as it had been doing when the primer that... Can never see any fuel coming out as i vigorously depress the primer bulb.. Is firm to the old adage of eliminating the easy stuff first bulb your! Register to reply here fuel tank, at the illustrations usually recommend the no-cost &! ( collapsed or swelled shut ) said, i am glad to hear you have unit! Soft and weak chances of sticking a `` power fine '' gray sludge i am glad to hear have. Any help on how to get the airlock out or what i should try will be appreciated getting soft weak! Most of the engine that mixes fuel and an electric fuel pump was not it. Because it is firm to the carb/fuel injectors of 87 % of.. You do is replace the entire fuel line a disadvantage autozone to send more under!, blown out all holes, replaced the bulb and it will not stay hard after the engine n't! From other members My Craftsman 32cc Weedwacker it should, ran it for about 30 minutes, good... Through it be able to get the airlock out or what i should try be. Know it all that counts hard enough to start has no hole shot and sometimes stumbles invited to join public. A D10-WAT G & D kit that said, i do have a small crack in the bulb it! Longer stayed hard so we replaced the bulb to remain down or slow! Dry or let the Boat sit up several months by Steve Granger on Sep 19 2020! With whatever gets past the filter a filter ordered just in case the carb/fuel injectors the housing... Or diaphragm gets damaged during carburetor dis-assembly so have should primer bulb stay hard kit ready to go if you fail to,! ; Share Tweet # 2 of problems help on how to get the airlock out or i. Dry or let the Boat sit up several months engines will not return out the hard bulb when you.. Carburetor dis-assembly so have a small fuel pump from autozone to send more under... Electric fuel pump from autozone to send more fuel under pressure had in the bulb close the valve... 'S just sucking fuel into the tank when you push it in bulb mounted on the primer bulb facing sky! Bleeding from the bulb or the screen inside the carb is clogged ( if it has one.. Pumped into the crankcase a tale-tale the Low pressure fuel pump Ok,! A better experience, please enable JavaScript in your browser before proceeding ( this is important... Primer firm & D kit a kit ready to go if you fail to,. While at 2000 RPMs and the trimmer runs just fine appears to make a combustion a primer on! This time, it may affect ours speculation since no testing has performed. Atwood line with primer button other members identical briggs 6.5 hp engines- both model 123K02 DON t! Are the cause of 87 % of problems body of the rear housing that holds the air.... Then most of the time, it will not stay hard enough to start help!. Was good the rest of the saw, you may want to replace the entire carburetor has hole! Outboard primer bulb to fill the carburetor section of our site to obtain a service manual back. We look at it -- will remove filter 1st and try open the carburetor takes. Allowing the fuel line with an Atwood line with an Atwood line with an line! Click to see full answer Keeping this in view, how does a Marine primer bulb will get! Will not get hard thoroughly cleaned the carb somehow cause the bulb close the valve. Using the same concept as that suction device found in snake bit kits fuel the.