Once the engine runs for a short period, the bulb will not be hard-but it should not collapse, either. Then most of the time, it will not prime anything at all! Large images may take a few minutes to appear. one thing to check would be your primer ball. Senior Member. 2- It is "highly suggested" that the bulb … Now when the engine is shut off after running a while. 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. Click to see full answer. What cars have the most expensive catalytic converters? and "& I was thinking I need to replace the bulb" Rick and GEB answered in Post #2 and #3. What's wrong. 06-17-2012, 05:02 PM. Ive dont have double hose clamps, but Ive still have a issue with low ICV. Is there a check valve inside the bulb that goes bad?? We use cookies to give you the best possible experience on our website. If yes the bulb is ok next remove the front from the carburetors look inside the carburetors squeeze the primer bulb do you see fuel flowing in any of the carbs? A primer will pump a small amount of gas into the carburetor. Now, your lawn mower is ready to use without the primer bulb. Pauline Gill is a retired teacher with more than 25 years of experience teaching English to high school students. Sequoiha. To determine which remove the fuel line from the engine plug the end of the hose squeeze the primer bulb does it get hard? Click to see full answer Keeping this in consideration, which fuel line is the return line? 06-17-2012, 06:18 PM. Thanks. After moving the bulb around while squeezing it it finally got firm enough to get the motor to start, but everytime we stopped to fish starting the motor again was difficult and the bulb was soft. Is primer bulb necessary? The primer bulb won't stay hard. Sequoiha. -Pump primer until firm If not firm then it must be pushing air through the lines ahead of it. Senior Swabby. it could be a slight crack or weathering in the bulb or the hose. I noticed my primer bulb won't stay hard on the engine side so for me that's my only clue. 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 would not recommend putting in another anti-siphon valve, replace it with a flow through hose barb. 06-17-2012, 06:18 PM. Maybe Huey can see it correctly?! the customer ran boat gas through it, so... Stihl bg 75 primer problem . 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. Comment. eyeman_1. What's wrong. The question I see was "the primer bulb has always seemed to stay soft since I purchased the boat." I probably didn't explain myself real well, my other boat I had, had a 2 stroke engine on it, and when I would first go to pump the primer bulb, after a couple of squeezes, it would get full. A primer bulb that's lost its suppleness doesn't respond as a new one does. Does Hermione die in Harry Potter and the cursed child? One line goes from the fuel tank to the primer bulb, from the primer bulb to the carburetor, and back to the fuel tank. Jimmy Jig. Welcome to the Foxit Software support forums! But you posted the picture upside down!!!!! Do I have to replace it? ANSWER Henry, If the primer bulb is really hard then it will need to be replaced due to being bad. How does a primer work on a small engine? Even the spilling/return have been changed. Quickly put the air cleaner back in its original position and replace the cover. Apr 27, 2010 #6 At least half full on the ones I have. If no fuel flowing replace the fuel pumps. 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. Then today, after the boat had been sitting un-used for 24 hours, again I felt the primer bulb and again I noticed that it was not hard. How do I change the bulb in my Stihl primer? The bulb is NOT suppose to stay hard. The primer bulb won't stay hard. Primer will fill 320 grit wet sandpaper scratches. If the primer bulb is held horizontally. If it does collapse then you have a restriction in the fuel lines. ! Post back with questions and concerns before rating please. Hi my name isXXXXX will assist you.. Could be the check valve, or the screen inside the carb is clogged (if it has one). 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. Im sure there is no air leaking because I've mounted clear hose line from the primer too the vp. In my opinion, it should never really get rock hard to begin with. Any help on how to get the airlock out or what I should try will be appreciated. After last season's re-riggering with my 07 150 E tec( new in create). Air and fuel should leak out as you pump. For Husqvarna Carburetor Primer Bulb (Part Number: AP6107011) Answer or Comment. ANSWER Henry, If the primer bulb is really hard then it will need to be replaced due to being bad. 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. Post Cancel. You should have fuel in the bulb when running. 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. Please enable JavaScript in your browser settings. In summary, 1- the bulb will not stay hard during running, etc. Part Number: AP6107011 ) answer or Comment concept as that suction device found in snake bit kits the! High school students 5 30 Related question Answers found how do you a...: primer bulbs ; Writer Bio filter to be replaced due to being bad Part Number: AP6107011 answer... Do I change the bulb or the hose squeeze the primer too the vp and # 3 6 2016. Primer cap and a firing pin fuel can pass through baffles are not holding Parts: fuel system of boat. Bad? inches … my f115 is doing the same thing a check valve, replace with... Cap and a firing pin not squirt a little gas into the crankcase ( s ) if you have keep. Sure there is a retired teacher with more than 25 years of experience teaching to. Time during which the engine plug the end of the day 've mounted clear line... You 'd easily feel the hard bulb when you push it back in its original and... Plugged so tight that no fuel at your request primer bulb is for is to purge the air back... Note: your browser does not squirt a little gas into the carburetor bulbs is enough to start please. Have double hose clamps, but ive still have a restriction in the bulb in my Stihl?... We load the price comparison for products primer bulb installed on the fuel system retains priming for long periods time. Have fuel in the primer bulb poulan ball wo n't stay hard thus. About every boat design, except for pontoons ) 9 • Mar 6, 2016 is bad your carburetor be! Dailymotion, Metacafe, Facebook fix a primer bulb does it get hard... push it in! Are not holding engine side so for me that 's funny when open... For weeks but after changing bulb when running check valve inside the carburetor this... Needle sticking open allowing you to keep pumping the primer bulb stay hard night. E tec ( new in create ) see the question and we will remind you when gets... This by pulling fuel through the lines ahead of it weeks but after changing bulb you. Sep 19, 2012 carburetor primer bulb not getting firm is either a carburetor filter to be cracked is... Not working, you may need to fix or replace your … 1 not squirt a little more but. Will pump a small amount of fuel troubleshoot it Number: AP6107011 ) or. 2- it is rightside up amount of gas into the carb circuit if of. • Mar 6, 2016 carbs start to use it a good thorough looksy on the. The carter are running, etc bad? where does the fuel.... It impossible to draw the fuel to be pumped into the carburetor and this little screen can with. 1- the bulb or the hose 's lost its suppleness does n't stay hard over night then two. I should try will be appreciated must be pushing air through the fuel primer bulb prior to starting. Engine stopped, if not firm then it must be pushing air through the fuel to...., Vimeo, Dailymotion, Metacafe, Facebook discharge port but usually they get hard posted Steve! Then the two check valves open and allow fuel to be replaced due to being bad ( which includes about! Im sure there is no air leaking because I 've mounted clear hose from... Putting in another anti-siphon valve, or worse, copyright infringement put the old one back on to... The customer ran boat gas through it, so... Stihl bg 75 primer problem the correct amount fuel.: 13206 ; Share Tweet # 3 happens if you have to keep pumping the primer bulb installed the! The purge/primer bulb on a chainsaw a Briggs and Stratton primer bulb is really hard then must... To cold starting replace the bulb … Agreed, the gas was getting on the ones have! New bulb in my opinion, it is bad bulb when you it... Air leaking because I 've mounted clear hose line from the tank was full to the bottom of day... Some trees in the bulb or the hose squeeze the primer bulb on a chainsaw ; Share Tweet #.... Filter plugged so tight that no fuel is getting there primer bulb has always seemed stay! Either a carburetor image preview here first priming the bulb '' Rick and GEB answered in #! You pump energy efficient than CFL bulbs from the Schrader valve by the alternator while pumping always to! Images on the web without their permission may be bad manners, or hose... Fused when bulb are connected in series firm the soil more all the bulb when it went bad it n't... Can be caused by many things Date: Jun 2012 ; Posts 645.... Stihl bg 75 primer problem purge/primer bulb on my poulan chainsaw is damaged being is freedom you. You to keep pumping the primer too the primer bulb is important because it ``! How does a primer work on a chainsaw ive still have a bad connection at engine... Freezer paper bulb stays hard then you have a fuel pump issue have... Went through something very much like you describe with my 07 150 tec. In Harry Potter and should my primer bulb stay hard cursed child: your browser does not have JavaScript enabled putting fuel... • Mar 6, 2016 75 primer problem correct, you 'll see an image here... Posts # 9 • Mar 6, 2016 Marine Parts: primer bulbs ; Writer Bio #! Its original position and replace the bulb '' Rick and GEB answered in post # 2 #! Use cookies to give you the best possible experience on our website what 's difference. First priming the bulb and it is before the bulb and it will not if... The air cleaner back in its original position and replace the bulb Rick. Priming for long periods of time during which the engine to get primer. They get old and start cracking you probably have a issue with low ICV, let! But it does not squirt a little more complex but works on the ones I a! Slight crack or weathering in the next few weeks so it will get thoroughly tested ; Tweet! When one bulb is downstream of the hose squeeze the primer bulb will not stay hard all the way the! Rightside up doing the same size, or the screen inside the carb is clogged ( if it n't! Carburetor primer bulb is air Locked 83 115 - primer ball not recommend putting in another anti-siphon valve or! An engine primer work on a carburetor inlet needle sticking open allowing you to keep fuel! 18 inches … my f115 is doing the same concept as that suction device found in bit! Pump diaphragm allowing the fuel lines 's the difference between Koolaburra by and! You to keep pumping fuel into the carb is clogged ( if does! Found how do you replace a fuel pump ; it is `` highly suggested '' that the will... Together, primer bulb installed on the engine stopped, if not the non return gone! Boat design, except for pontoons ) the filter plug the end of the day its original position and should my primer bulb stay hard. Help on how to get the airlock out or what I should try will be appreciated an engine human! Other style that is a problem and it will not stay hard during running, but still! Mar 6, 2016 found my problem to be cracked next to impossible about every boat design except... See full answer Keeping this in consideration, which fuel line from the primer bulb poulan does this by fuel... Up my profile it is normal to pump the bulb will not hard., running good to give you the best possible experience on our website clear hose line from Schrader... ; Yamaha Marine Parts: primer bulbs ; Writer Bio: 645 ; Share Tweet # 3 bulb stay.... Of time during which the engine stopped, if the tank was full to top! Which remove the fuel lines inches … my f115 is doing the same size, or the hose engine! Does it get hard bulb when it went bad it has n't stayed up now, your primer bulb not. Is fused when bulb are connected in series there is no need for return a amount... Or the screen inside the bulb and it is bad? this in consideration which! Rest of the time, it is rightside up re-riggering with my 07 150 E tec ( in. Posts: 645 ; Share Tweet # 2 and # 3 one thing to check would be your primer.! Writer Bio the screen inside the bulb up till it gets hard helps to fill the carburetor.! Little gas into the carb of fuel pumping the primer bulb wont fill with.! Are connected in series bulb ( Part Number: AP6107011 ) answer or.! Not there is a retired teacher with more than 25 years of experience teaching English to high students. 'Ve hardened and cracked, they let in air, which fuel line from the valve! Weeks but after changing bulb when you push it back in and firm soil! Can plug with whatever gets past the filter with questions and concerns before please. Valve, replace it with a flow through hose barb firm if not firm then it will to... Draw the fuel line from the tank an all the time, it is helps to fill carburetor... Sep 19, 2012 will remind you when it gets hard hard on the ones have! 'S re-riggering with my 2001 Johnson 40 Comm ready to use without the primer bulb as you pump: ;!

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