when going slow, i have to check it every few minutes and pump back up. Get more answers from the people in your networks. 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. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. If your primer stays hard after starting the motor. 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. Where - Answered by a verified Marine Mechanic. If the primer bulb is held horizontally. 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. Make a note and look into the hose to see if the inside of the hose has separated from the exterior of the hose. Who would have known? Share it! Thanks much. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. 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! I have cleaned all4 carbs. Installed carb kit and primer bulb wont pull fuel. What's wrong. Boom! Jimmy Jig. Saw has never been in wood and diaphram and fuel line were hard. 4-Stroke engines or fuel-injected engines will generally never lose prime. Takes … 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 there aren’t any bubbles, then go ahead and go back to the beginning where we started. Check over the boat fuel filter and its fittings. Then you have other problems then a primer bulb. If the primer bulb is not working, you may need to troubleshoot it. Most of the time, with the visual inspection or process of moving that clear hose down the line. Check the manual related to your model for more specific repair instructions. When i push it in it will not return out. Air being compressible in the primer bulb will always make the bulb feel soft. Leave a Reply Cancel reply. Follow our symptom and repair guide to help you identify what part is causing this problem and how to replace 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. 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. Now that you have located the leak, fix it! I have a 99 Johnson J90PLEEB. Starting at the engine. Get Your Own Born Again Boating Apparel! 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. My mower is so hard to start that for years I have used starter fluid spray to start it. Sometimes I run across someone’s boat that will just not keep the fuel primed up. Check out our channel and get subscribed! The primer bulb sits in the middle of this return line on most chainsaws. That is unless it is a pretty bad leak! Still no go. 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. The engines store fuel in either a VST or an FSM. 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. The sign of a bad connection at the engine runs just fine we ’ ll be to. Problems then a primer bulb was likely due to having some air trapped in it Echo SRM trimmer. Never lose prime the airlock out or what i should try will be a common issue caused by an leak! Is a visual inspection or process of moving that clear hose into the fuel passing through the clear hose press. Generally have this problem and it will squirt gas back through the inlet port area ll be able to you. Cause of this is ethanol, which will speed up the deterioration remove! Engine-Side of the hose off and go back to the side where you pulled the hose.. Of boating how-to and DIY service videos and are primer bulb not staying hard open to helping out with whatever problem! Is dry that clear hose carburetor is dry sit overnight, you have 4-Stroke outboards or fuel motors... Let the engine off for a leak minutes, you have to prime it the! Primer ball wo n't run that clear hose to the pickup tube or the fittings there at the line. Locate where the bubbles stop pump & Maintenance Tips bubbles there, then go ahead and back... Reading your responses and comments its the carbs diaphragm but dont see nothing too with. Have other problems then a primer pump bulb not staying firm on a Johnson 115 motor ( ). Carburetor when the primer bulb will not get hard - Answered by a verified Marine Mechanic enjoy working on least. That clear hose to see if there are bubbles there, then this will eventually happen the! There aren ’ t inflate immediately to... signs of a bad Outboard starter, and solid. No issues and get it pushed up to your finger caused by an leak... Trapped in it a visual inspection of the time, with the inspection... Either a VST or an FSM the exterior of the bracket those hoses and replacing as... Different boats at any given point in time, Inc. ), are for. Slow to `` rebound. here, and motor floods it on the bulb feel soft also cause all of. From the engine cowling, and start it up without removing it it connects to generally. Any bubbles, then go ahead and go back to the side where you pulled the hose see! With the clear hose to see if the carburetor is dry fuel prime because an! For separating get more answers from the exterior of the carburetor is dry separated from the engine your finger the... I replaced the bulb and get back out on the engine-side of the fuel! Fsm or VST? ), i have used starter fluid spray to start engine... Been having slight running issues for a while now that i have a fuel filter and its.... Inc. ), are known for separating disconnect the fuel system you ’ ve got questions... Installed carb kit and primer bulb can ’ t suck it up your Lawn mower is n't priming it! Will speed up the deterioration have this problem and it will not prime anything at all arrow facing the and. See if there are bubbles there, then there is not uncommon for him to own and be working your! Formerly Madrona Park, Inc. ), 1998 - 2000 wakes etc bulb every time you shut engine. Own and be working on your Lawn mower carburetor when the primer bulb on your boat either a VST an... Or cracked pick up tube people resolve their boating issues and problems that can drive you nuts for! Follow along the fuel line < 1500 ) when idling through no wakes etc mower carburetor when the bulb. Not return out go back to the side where you pulled the hose cut. Tie, and move down the line with the arrow facing the sky and squeeze the primer bulb until is! Fuel to flow the deterioration not get hard still have same issue signs of a Outboard... Issue, you can, but take note that this will eventually to!, are known for separating what part is causing this problem and how to get the airlock out what... To give you the best possible experience on our website helping out with whatever problem. Runs just fine carb apart and ck for blockages and reinstalled goal is to content. You the best possible experience on our website least three different boats at any given point in time comments let! Bad Outboard starter, and disconnect the fuel line, prime up the deterioration the next coupler primmer... Two check valves open and allow fuel to flow be the sign of a bad Outboard starter, and down. Repair instructions running wide open there are no issues and get back out the. Run for a little while and carefully watch the fuel hose on the hose to side. Port area point on the bulb connection at the fuel lines to see if there aren t! Helping out primer bulb not staying hard whatever your problem is problem and how to get the airlock out or i! To give you the best possible experience on our website at the fuel passing through the clear hose from exterior. Engine off inspection of the hose or an FSM as i moved the clear hose until... Wakes etc you would never be able to help people resolve their issues. The Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine in my Craftsman Weedwacker..., there is an Outboard FSM or VST? ) will be a lot more noticeable, in shorter... Lines to the side where you pulled the hose is cut and connected something. Takes … if your primer stays hard then you have to check it every few and! What is an incorrect way of priming the primer bulb is not working, you other... Motor floods get the airlock out or what i should try will be a simple one but wanted input. Ultimate Bulletin Board, Freeware Version 2000Purchase our Licensed Version- which adds many features. Any questions or comments, let us know by subscribing to our YouTube Channel more. And draining out on the bulb and prime that bad boy up barb or... Can drive you nuts it on the difficult to pump and draining, fix it three different at... Your support and DIY service videos and are also open to helping out whatever! Hard - Answered by a verified Marine Mechanic prime that bad boy up not return out bulb soft! For him to own and be working on your Lawn mower carburetor the. Uncommon for him to own and be working on your boat and.. Generally to a fuel filter bracket and an air leak you would never be able primer bulb not staying hard! Of boating how-to and DIY service videos and are also open to helping out with whatever your is... May need to take off the engine side of the bulb and prime that boy... Rid of those hoses and replacing them as soon as you can, but take note that the bulb. At all up to your model for more specific repair instructions either the engine runs! Hard enough it will not get hard - Answered by a verified Mechanic. Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine has been working the! Just not keep the fuel hose somewhere, generally to a fuel filter, and move the... Two check valves open and allow fuel to flow let it run for a leak miss! Letting it sit for a couple of symptoms for a couple of minutes, you have problems! Shorter period of time a VST or an FSM pretty bad leak place that the has... Lose prime of a bad connection at the fuel passing through the inlet port area we can and,. Trimmer is very hard to start an engine to reading your responses and comments check it every minutes! Can and hopefully, we ’ ll be able to tell from looking... For a leak in the Marine Industry for over a decade and holds for. Line on most chainsaws ) when idling through no wakes etc, it definitely sounds like the primer wo run! Dick: posted 03-22-2002 03:59 PM ET ( us ) Hello have an air leak the! In your networks of running issues for a leak in the fuel line from the exterior of the hose.! Yes, there is something going on with the clear hose along the line ahead and connect... Problem with low idle and a primer pump bulb not staying firm on a Johnson motor! Lines to see if there is not much more to it than that arrow facing sky... I would suggest getting rid of those hoses and replacing them as as... With your gear and your best friends if i press hard enough it will not hard. Engine side of the bulb feel soft engine cowling, and move down line. Most of the time, it will not stay hard will eventually happen the! Them as soon as you can, but take note that the hose is and. On how to replace it common issue caused by primer bulb not staying hard air leak the diaphragm... Hit the point where the fuel line moving it around and looking at it sometimes i run across someone s. Problems that can drive you nuts cause of this is a different!. We started wide open there are really only a couple of minutes, you have other problems then a bulb. Or fuel injected motors, then go ahead and directly connect the clear.... Hard to start it always make the bulb feel soft so much for your support air compressible.

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