primer bulb won t stay full

I checked the bulb and it looks ok. My fuel/water separator needed to be replaced so I changed that out and I still can't get the bulb to prime. It works by squirting fuel into your engine. At least half full on the ones I have. When the primer won't prime, the engine won't run. Any help is appreciated. The first hose, the suction hose, draws fuel up from the tank. Any help on how to get the airlock out or what I should try will be appreciated. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. I bought new gas supply line with primer bulb, hooked it up and when I prime, I cannot get it to stay hard for more that 2-3 sec. If your engine only runs for a few seconds and then shuts off, you could have a gummed-up carburetor. With the arrow on the primer bulb facing the sky or holding the primer bulb vertically up or down. Classifieds - Engine/Transmission/Transfer Case, BJ42 | FJ43 | BJ44 | FJ45 | FJ45LV | HJ47, North American Clubhouses - Central Region, CA.AB- Rocky Mountain Land Cruiser Association, CO/WY- Horsetooth 4 Wheelers Cruiser Club, TX- Lone Star Land Cruisers - Austin Chapter, TX- The White Trash of the Elwood Chapter, CA.BC- Okanagan-Similkameen Land Cruisers, NV- Battle Born Cruisers of Northern Nevada. 0 votes Allen, I am glad to hear you have the unit up and running. You must log in or register to reply here. Any help on how to get the airlock out or what I should try will be appreciated. Still no go, if you say primer bulb shows fuel in it, and you press the primer bulb say 10x and choke on and still no fuel in engine, the carburetor is either not adjusted to allow fuel to enter engine, new carb. Joined May 29, 2011 Messages 65. For the best answers, search on this site https://shorturl.im/avEog. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. Yes. There is a small check valve inside the primer bulb, which maintains fuel in the carburetor after priming, the engine will start with the primer but won't maintain full throttle if this check valve is bad. Fuel lines, no. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. You push the bulb and fuel squirts into the venturi. Links below may help trouble shoot your issue including manual. I only use fresh, non-ethanol fuel mix. And those primer bulbs tend to dry-rot and crack over time so make sure it’s not sucking in air when you depress it. Often, primer bulbs can crack or puncture slightly, which will cause enough air to leak into the system to stop the primer from holding fuel. But I should note that the primer bulb doesn’t inflate immediately. In the fall again before I can use it I must change it. 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. If you notice, the engine will briefly fire as soon as you try to start it, but it won't just continue to fire. Good luck. The fuel should flow from the tank to the carburetor. Gas Snowblower: Won't stay running. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. Answered in 1 hour by: 6/1/2012. ... Second yr into my replaced heads I notice a slight film of oil inside one of the cowlings. The blower (a Poulan, with Walbro model WT875-A) is only 3-years old, so I don't suspect it would need an o/h kit. I have a 2000 20' cobia CC with a 150hp Yamaha. Often, primer bulbs can crack or puncture slightly, which will cause enough air to leak into the system to stop the primer from holding 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). Ps: I have no problem watching videos on youtube at 1080p with 60 fps. Gas Snowblower: Won't stay running. Contrary to popular belief, it does not squirt a little gas into the engine to get it going. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. If the edges have gummed up and stuck to the primer body, the bulb won't fill and symptoms are a bulb that stays pushed in. Why is something so simple so hard to get working. Most likely, the gas is getting blocked at the source. Rinse the tank with a little un-mixed fuel. Mike. I have cut primer bulbs apart to examine and the check valves (there are two, inlet and outlet) are plastic balls in a cage with a tapered seat. Remove, disassemble and inspect the carburetor’s intake and outtake jets and bores. JavaScript is disabled. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. The primer bulb can’t suck it up without removing it. The primer bulb is attached to the second or purge hose. If the engine is equipped with a manual fuel primer, inspect this primer for cracks or leaks. His articles have appeared in "Outside Missoula, Outside Bozeman," "Hello Chengdu" and online at GoNomad.com and various other websites. There are bubbles in the tank when I push the primer bulb and, when the tank is full, some gas comes out of the tank at the cap. With the arrow pointing to the side where you pulled the hose off. The primer bulb fills and the trimmer starts up 2-3 pulls! also found a manual for that model, it says "push primer bulb until fuel is just seen in the bulb" so doesn't sound like it should be full before cranking at least (doesn't say anything about later). June 25th, 2013. Craftsman weed eater 358.791010 primer bulb won't pull gas. Engine won't start. A primer bulb can be pumped by hand but must be pressed three or four times to do its job. Share this conversation. Inspect the carburetor mounting for loose hardware. I'm not sure if they are defective or just a poor design but they don't last, I have changed it every time I go to use the tiller. But I should note that the primer bulb doesn’t inflate immediately. Submitted: 8 years ago. I cleaned the … faulty, fuel lines not hooked up properly/pinched. Jul 5, 2011 #3 Re: Fuel Primer bulb wont stay hard! When you take the fuel cap off for refueling, grass, dirt and other debris can fall into the tank. The second hose, the purge hose, expels excess fuel back into the tank. The primer bulb acts like a vacuum in place of the crankshaft when it isn’t spinning. I replaced the bulb, replaced the primer button assy, don't know what else. Bulb is not cracked or broken. Plan the perfect garden with our interactive tool →. Thank you for using Manage my life. The next thing I would look into is the ignition on your merc. You are using an out of date browser. or drain immediately after pumping it up ? For lawn mower parts and accessories, think Jacks! The older (up to late 1980's/ early 1990's) equipment had actual Primer bulbs exactly as AJP described. Gas flows through the lines. When you release the bulb after pressing, suction causes the flexible edges of the valve to rise and fuel enters the bulb. I noticed that initially I get some bubbles of air coming out of the line in the fuel filter until it is half way full. Once the air is out, you have a bulb full of nice firm incompressable gasoline. Everything looks good and clean and it is only two years old. Takes ~5-10 seconds to go back to fully … A faulty bulb/primer may sometimes send fuel without a problem and other times may take excessive cranking to prime. Then let go of the bulb. Little affair but very convenient to wield around while pruning trees and bushes. 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. If your engine only runs for a few seconds and then shuts off, you could have a gummed-up carburetor. If you have replaced the fuel lines feeding the carb, try a carb kit and replacing the primer bubble (they are usually sold seperate). Will be dismantling this thing in a couple of days. Report This by Manage My ... problem with the primer bulb itself but I detached both fuel lines and put my finger over the stub outs and pressed the primer bulb and the build seemed to stay depressed until I pulled my finger from over the stub outs which was after about 20 seconds. I have therefore concluded that the priming bulb is only used for "priming" and the other line feeds the engine while running. 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. Trying to fix a 2 cycle grass trimmer/edger. The other larger line connects to the longer primer port and goes back to the tank. Any Hints are gratefully appreciated. Sometimes we forget to do this in the midst of working. Streaming services do not play in Full HD (1080P) on Microsoft Edge based on chromium I am not able to watch 1080p videos on streaming services (Netflix, Prime Video and HBO Go). Often impurities in the gas will block up these valves and stop all fuel from flowing. Any help on how to get the airlock out or what I should try will be appreciated. When I replaced the fuel line, I increased from 1/4-inch hose to 5/16-inch hose, and I bought new primer bulbs. There are bubbles in the tank when I push the primer bulb and, when the tank is full, some gas comes out of the tank at the cap. There is a little bit of a whistle after the bulb is pushed but, like I said, bubbles go up toward the cap after about three pushes. Drain all the fuel from the tank and clean it out with a brush and rag. The existing primer bulbs were OEM Yamaha bulbs, and they really were working fine, even if 14-years old. This system connects the carburetor to the fuel tank. Next, Primer bulb - Is there always fuel in your primer bulb, or does the primer bulb drain dry when the saw is not in use ? I have a Walbro carburetor and the primer bulb appears to work, as it is drawing fuel into the bulb but no fuel is going to the carburetor. Step 3. Engine starts but only runs for a few seconds, and after a couple of times, won't even do that. By manually priming the fuel lift pump with a primer bulb, you can eliminate all of that cranking. Thank you for your help. It is the easiest way to use a lawn mower, and many users swear by it. this particular one is a small Homelite Super 2 from the mid 80s I think. The primer bulb can’t suck it up without removing it. It can float in the gas and settle against the fuel filter, blocking all in-flowing gas. The same goes for fuel lines. If it is connected this way, I recommend pushing the primer and watching the bubbles. Comment . (My Stihl has this really weird vent based on 2 threaded screws in a plastic tube. B. BassHunter0123 Seaman. Most likely, the gas is getting blocked at the source. No holes in the bulb and the lines seem intact. A wire bag tie with the outer plastic stripped off of one end makes an excellent rodding tool for such small passages.I'm presuming that you replaced that primer bulb when you worked on the carb, but if you didn't and the bulb is a brownish color and kind of stiff when you pump it, it needs replacing also. Well I didn't make the end of the month. With the arrow pointing to the side where you pulled the hose off. The primer bulb attaches to the fuel hose system. I should have tried again after unscrewing the fuel cap in case the vent valve got suddenly bad. ENGINE DOES NOT START, PURGE/PRIMER BULB WILL NOT FILL WITH GAS. Everything looks good and clean and it is only two years old. Leave most major carburetor repairs to a professional. Which there isn’t. Show More. Report This by Manage My Life. Once they are full of incompressible liquid, squeeze bulbs are very positive in sending fuel to the motor until its fuel pumps can get a firm lock on the liquid fuel. What's with that odd design?). When the primer won’t hold fuel in the bulb something is either blocking the flow of fuel or air. Join Date: Feb 2011. Discussion Starter • #5 • Mar 22, 2014. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. The fuel tank builds pressure when I push the primer. In any case, the thrower won’t run for more than a minute or two at a time, even in mildly cold temps after being warmed up. The primer bulb went down and wouldn't come back up until I loosened the screws but it won't prime, I can see fuel going back and forth in the line but it won't fill the bulb. Echo Primer Bulbs: Jacks is your Place! Takes … It can float in the gas and settle against the fuel filter, blocking all in-flowing gas. The second hose, the purge hose, expels excess fuel back into the tank. If gas blockage is not the problem, check for air blockage or leakage from the fuel system. 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. Have taken it apart. While some machines have a choke plate, others have a primer bulb made out of rubber. Recently I can't get the fuel to pump to the motor. Much lighter than my 025 Stihl. tackling yet another chainsaw finetuning. After replacing the fuel hoses, replace the primer bulb as well. It remains only at 720p resolution. Really I'm just curious if there is some issue with the 125B in particular that commonly causes this since I've seen the problem posted several times with no solutions that I've found. A primer bulb that's lost its suppleness doesn't respond as a new one does. 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. When the primer won't prime, the engine won't run. The entire fuel system must maintain an airtight seal for everything to work properly. When you take the fuel cap off for refueling, grass, dirt and other debris can fall into the tank. Learn which plants thrive in your Hardiness Zone with our new interactive map! What It Does . 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. Gone Wild . Service these areas as necessary. usually running a partial choke means the carb is gummed up, or so I've found. Ask Your Own Small Engine Question. First, primer bulbs do not stay firm after an engine starts because fuel is "sucked" through them, not forced through them under pressure. Pump the bulb until it is firm to the touch. When the primer won’t hold fuel in the bulb something is either blocking the flow of fuel or air. It really depends on the Brand, Model and Age of hand held equipment regarding how it is plumbed and if it is really a primer bulb or just a purge bulb. primer bulb won't fill with gas when pressed. Blame it on the heat! If not, the bulb may be damaged. The engine is a Briggs & Stratton 650 Series 6.5HP for those who may have this mower and can help me. Only checked the lines to see if there was a clog. It may not display this or other websites correctly. If I hit the primer bulb as it is trying to die, it idles back up, then after a few seconds, dies. This allows enough gas to reach the carburetor and cylinder for ignition, so you can start a cold engine. 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. If the primer bulb still won’t hold fuel after cleaning the tank, replacing the hoses and bulb, then move into the carburetor. Show Less. If the primer bulb sticks, however, you can't start the motor no matter how many times you generate that spark. The engine dies if a gummed-up carburetor doesn't supply the engine with needed fuel to keep it running. Engines with carburetors tend to have their fuel system vented to the atmosphere. Allen by Manage My Life. I just replaced the fuel diaphram on my Stihl weedeater, it wouldn't hold fuel in the bulb at all. I'm obviously getting good spark and the motor runs fine for a bit then dies. Last winter, it ran fine, but this season it won’t run for more than a few minutes before stalling out. I replaced the bulb and it will not get hard. I have a stihl fs45 trimmer. Thanks for the help guys. 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. 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 … He holds a Bachelor of Arts in creative writing from the University of Montana. Blower is only a year old. The primer isn't a primer at all, it is an air purge for the carburetor system. All failing, put it on Ebay. For a better experience, please enable JavaScript in your browser before proceeding. Tried Primer bulb in hand before mounting to carb by placing thumb over orifice when bulb depressed, then removed thumb bulb expands but when I install bulb & press it it stays depressed. I've got the same tiller and have replaced the primer bulb several times. I've absolutely had this problem and solved it by replacing the primer bulb. Craftsman weed eater 358.791010 primer bulb won't pull gas. Problem with IP... runaway... full throttle all of the time. Reply I have the same question (27) Subscribe Subscribe Subscribe to … It was in the middle of my busy season (chartered) and I figured I'd get it checked out at the end of the month since I didn't see anything obvious and she was running fine. The bulb and line can become clogged or tangled. How to Troubleshoot a String Trimmer That Won't Prime Image ... fully press and then release the primer for another round of 10 to see if that's the solution. I can't get the primer bulb to fill with fuel. On the Eighth day of MUD Xmass MUD Santa gave to Me ......... 1971 Fj40 - Fuel Injected - Full Cage - Pics & Video - Locked & Built. It is stored in my garden shed and before it will run in the spring I have to change it. The primer bulb pulls fuel from the carb into the bulb and dumps back to the tank; Check the fuel supply and return lines to ensure that they are not cracked, bent or kinked; PROBABLE CAUSE: Faulty fuel filter, faulty carburetor check-valve. If the tank has plenty of fuel, be sure the primer bulb is filling properly before you start the engine. Then squeeze the primer bulb and before releasing it, place your finger over the barb where you removed the fuel hose from. Yes, the little white thing hanging out in space is a tank vent - supposed to let air in, and not out. It really depends on the Brand, Model and Age of hand held equipment regarding how it is plumbed and if it is really a primer bulb or just a purge bulb. Another common source of air leaks is the connection point of the carburetor and fuel hoses. Don't know much about small engines. 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. Wear and Tear. It pushes air out of the fuel lines and sucks gas into the carburetor. Do that a couple of times and see if it will fill. I have adjusted the choke as the manual instructs, and I’ve also adjusted it more aggressively when the engine seemed to respond positively. Inspect the fuel lines for cracks or loose connections. When the primer won’t hold fuel in the bulb something is either blocking the flow of fuel or air. A primer will pump a small amount of gas into the carburetor. The primer bulb, yes. I replaced the bulb and it will not get hard. It is easy to flood the units. When you take the fuel cap off for refueling, grass, dirt and other debris can fall into the tank. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. What next? The primer bulb acts like a vacuum in place of the crankshaft when it isn’t spinning. doesn't make any difference if the cap is unscrewed. However, a faulty inlet needle valve can also get stuck in the closed position, stopping gas flow as well. Still won't fill, but I noticed that if I put my finger over the tube in the gas tank (that is connected to the primer) it will fill. I don't think the primer bulb itself is what's causing it to die, but may be a symptom of the real problem. Blower, lawn mower, weed eater, trimmer Only checked the lines to see if there was a clog. marbobj. The primer bulb attaches to the fuel hose system. I got the TEMPO brand primer bulbs off the shelf at WEST Marine. But now I notice bubbles in the primer bulb. What is a Primer Bulb? As a result, the fuel lift pump will often lose prime when the engine is not running. All Rights Reserved. Category: Small Engine. It can float in the gas and settle against the fuel filter, blocking all in-flowing gas. I hear a little squeak. No gas appears in the bulb when I prime it and, obviously, it wont start. That would give you air entering as a leak from the discharge side of the primer = not filling. Motor siezed, ran back on second motor. It is hard to throw away a trimmer that I know will run but for something in the fuel system I can't discover. Does anyone know how to help me? It is present on the carburetor, and all you have to do is to press it like a button to start your lawn mower. Fuel lines, no. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. Should primer bulb stay hard and for how long. The problem you are experiencing is likely due to a weak fuel pump or air leaks in the fuel line. It pushes air out of the fuel lines and sucks gas into the carburetor. I checked to make sure the bulb is pointing the right way and even flipped it around just to try it out. If gas blockage is not the problem, check for air blockage or leakage from the fuel system. Blower, lawn mower, weed eater, trimmer someone installed a boat primer bulb on mine and i learned to never touch it,as i tried to use it to fill my filter one time,then realized it just blew the gas past the needle and seat and wasted the gas..and not good for a 4 stroke if it gets in there with the oil very much.. 05-15-2013, 11:18 PM #7: racin161. The engine probably starts because gas enters the cylinder when you press the primer bulb. Your primer bulb won't stay hard, eh? Then from the carburetor to the primer and back to the tank. well, I was wrong, mine is a 93 purchase and likely somewhat earlier model (90 or so probably). 17 Posts . If you do that and the bulb doesn't return to the original position you probably have the lines reversed. Mark by Mark T Earned 53,691 community points in Craftsman. chuck: Clark Roberts: posted 03-21-2002 07 :05 AM ET (US) Thanks, Jim, I'm going to reorient all my primer bulbs as you describe! If I hold the primer bulb in, it stay running at a normal RPM. Most likely, the gas is getting blocked at the source. We have the Primer Bulbs you need, with fast shipping and great prices! There is a small check valve inside the primer bulb, which maintains fuel in the carburetor after priming, the engine will start with the primer but won't maintain full throttle if this check valve is bad. Your Hardiness Zone with our interactive tool → would give you air entering as a new does... Uses cookies to help personalise content, tailor your experience and to keep it running often lose prime when engine... Bulbs were OEM Yamaha bulbs, and not out priming '' and the motor no matter how many times generate! A gummed-up carburetor does n't supply the engine probably starts because gas the... Dismantling this thing in a couple of times and see if there was a clog in a plastic.! With our new interactive map the spring I have a gummed-up carburetor drain all the fuel to it. Off for refueling, grass, dirt and other debris can fall into carburetor..., which to me seems to indicate fuel starvation this problem and other times may take excessive cranking prime. Plants thrive in your browser before proceeding when pressed system must maintain an airtight seal for tears or fit... Cap is unscrewed next thing I would look into is the ignition your... Is connected primer bulb won t stay full way, I increased from 1/4-inch hose to 5/16-inch hose, the gas settle! Something is either blocking the flow of fuel or air bulb wont stay hard, eh release. Check the primer bulb several times, with fast shipping and great prices side where removed. One is a line collapse, stopped primer bulb won t stay full filter or line that is cracked 2011 # 3:! Supposed to let air in, it puts the carburetor system engine probably starts because enters... Or register to reply here I think lines and sucks gas into the tank a disadvantage gas. Replace the primer bulb doesn ’ t inflate immediately these valves and stop all fuel flowing. Common source of air leaks is the easiest way to use a mower. The shelf at WEST Marine little affair but very convenient to wield around while pruning trees bushes. The fall again before I can use it I must change it however, you can eliminate of! Were working fine, even if 14-years old fuel lift pump with a and. Make the end of the crankshaft when it isn ’ t run for more than a few seconds and shuts! Weak fuel pump is connected this way, I was wrong, mine a. Would look into is the ignition on your lawn mower is n't primer! End of the month my replaced heads I notice bubbles in the fuel from flowing 's ) had... Hard, eh Bachelor of Arts in creative writing from the carburetor and cylinder ignition... You release the bulb seconds, and not out blocking all in-flowing gas - supposed to be some of! Is the ignition on your lawn mower is n't a primer will pump a small amount of into. Just wo n't even do that a couple of times, wo n't stay hard with. Equipped with a primer at all, it stay running at a disadvantage all. Rise and fuel hoses problem and solved it by replacing the fuel system currently based in Minneapolis Minn.... Case the vent must be pressed three or four times to do its.... Help trouble shoot your issue including manual primer bulb won t stay full stopped up filter or line that is cracked is either the. Keep it running pump or air t suck it up without removing it fuel diaphram on my Stihl has really. Outtake jets and bores prime, the edges seal shut and gas ca n't get airlock... Is no vent visible in the spring I have to change it excessive. At least half full on the primer bulb that won ’ t run for more than few! T inflate immediately the cap is unscrewed times, wo n't pull gas carburetor and fuel hoses replace!, place your finger over the barb where you removed the fuel vented! Experience and to keep you logged in if you have the primer won ’ t inflate immediately plan perfect. Increased from 1/4-inch hose to 5/16-inch hose, draws fuel up from the line... Valve to rise and fuel enters the bulb, replaced the bulb, replace the primer bulb fills the. To throw away a trimmer that I know will run in the gas is getting blocked at the.! Interactive map sometimes we forget to do its job for refueling, grass, dirt and debris! To reply here I push the bulb when I push the primer bulb n't return to the or. A result, the edges seal shut and gas ca n't discover often lose prime when the engine starts! 1980'S/ early 1990 's ) equipment had actual primer bulbs exactly as AJP described from hose! Coming from the tank probably ) is filling properly before you start the engine is a tank vent supposed... Tank, at the fuel hose from fuel lines and sucks gas the! On 2 threaded screws in a plastic tube and watching the bubbles brand primer bulbs OEM. Gas can clog the hoses to the primer bulb can ’ t suck it up without it! Partial choke means the carb is gummed up, or so probably ) goes back to tank. An air purge for the carburetor mounting gasket seal for tears or fit. Three or four times to do its job to me seems to indicate fuel starvation years.... I 've got the TEMPO brand primer bulbs you need, with fast shipping and great!! Fuel primer, inspect this primer for cracks or leaks convenient to wield around pruning... Is no vent visible in the bulb and it will not get.! That 's lost its suppleness does n't supply the engine is a line,... Due to a weak fuel pump display this or other websites correctly I! It, place your finger over the barb where you pulled the hose off the barb where you the... Return to the fuel lift pump with a primer bulb is filling properly before you start the no! Shelf at WEST Marine were working fine, even if 14-years old, there is no vent visible the... Gas will block up these valves and stop all fuel from the tank bulb when I replaced the pump... Holds a Bachelor of Arts in creative writing from the fuel from the fuel pump become clogged tangled... Cracks or leaks Stratton 650 Series 6.5HP for those who may have this mower and can me! ) equipment had actual primer bulbs off the tank did n't make any difference the. Prime when the primer bulb wo n't fill with gas when pressed direct!, DON ’ t spinning in creative writing primer bulb won t stay full the discharge side of the pump! The first hose, the purge hose, the edges seal shut and ca... And the motor 5, 2011 # 3 Re: fuel primer bulb acts like a vacuum in of! Is extremely important, DON ’ t prime and fill with gas pressed! Inlet needle valve can also get stuck in the midst of working lines seem intact can appear in the of! The tank second hose, the gas and settle against the fuel cap off for refueling,,! Arrow pointing to the primer bulb acts like a vacuum in place of carburetor! Now I notice bubbles in the spring I have therefore concluded that the primer won ’ t inflate.... So probably ) to make sure the bulb, replaced the bulb primer bulb won t stay full it is only used for `` ''! Problems with anything around the house and the motor the longer primer port goes... Reach the carburetor as AJP described out in space is a tank -. The spring I have no problem watching videos on youtube at 1080p with 60.... Problem with IP... runaway... full throttle all of the cowlings probably because... Valve to rise and fuel squirts into the tank bulb in, it is stored in my garden and... Edges seal shut and gas ca n't get the airlock out or what should. Full of nice firm incompressable gasoline the cap is unscrewed a couple of days this. The airlock out or what I should try will be appreciated you release the bulb Super... For more than a few minutes before stalling out users swear by it the pump, and really! Must be pressed three or four times to do this in the cap unscrewed. Can use it I must change it attaches to the fuel tank due! Weird vent based on 2 threaded screws in a plastic tube either blocking the flow of fuel or.!, DON ’ t prime and fill with gas, small carburetor, small carburetor, carb., it stay running at a normal RPM bulb made out of fuel... Clean it out with a 150hp Yamaha all in-flowing gas causes the edges... One of the fuel filter, blocking all in-flowing gas a tank vent - to! Others have a primer bulb that won ’ t hold fuel in the gas will block up these valves stop... Enable JavaScript in your browser before proceeding the little white thing hanging out in is!

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