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). Primer bulb not filling 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. But if you let the engine sit overnight, you have to prime it in the morning. 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. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Continue to squeeze bulb until oil flows through the distribution hoses and to the crankcase fittings. Could this be the sign of a bad outboard starter, and what should you do now? Any help on how to get the airlock out or what I should try will be appreciated. FREE Shipping. A faulty bulb/primer may sometimes send fuel without a problem and other times may take excessive cranking to prime. I have a 2000 20' cobia CC with a 150hp Yamaha. You can pump and pump and pump until your hands are shaking, but be it known, you ain’t pumping nothing but air! 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! Generally, if there is no issue, you can turn the engine off for a couple of hours and never lose prime. 4.4 out of 5 stars 287. Get it looked at right away and do not use the motor until the restriction has been found and repaired. OMC/Evinrude/Johnson 5/16" x 8 ft Fuel Hose Gas Line & Boat Primer Bulb B766489. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. FREE Shipping by Amazon. We have blown out the pickup. Somewhere between the engine and the fuel tank.eval(ez_write_tag([[728,90],'bornagainboating_com-box-3','ezslot_13',105,'0','0'])); Here are the best and quickest ways to troubleshoot and resolve this issue! 22 (31) CPWR-WS-240-33 Water Level Gauge KUS USA CDN$49.54 CDN$ 49. Starting at the engine. 5.0 out of 5 stars. If there aren’t any bubbles, then go ahead and go back to the beginning where we started. Empty squeeze bulbs rely solely on their own elasticity and complete integrity of their two check valves to pump air until fuel fills the bulb and hose. Buy It Now. Yesterday, I ... then you have a severe restriction in the boat's fuel system that can damage your outboard. One of the most common causes of flooded outboard motors is improper use of choke. In this video we look at why holding an outboard primer bulb vertically makes it work better. Squeeze bulbs tend to be far more forgiving of minute leaks in the hose with liquid flowing through them, than they are of tiny leaks on the suction side when the hose is empty. A blocked outboard fuel line prevents fuel from getting to the motor. This sale is for fuel primer bulb found on the front of the motor (not the one located on the fuel hose coming from the tank). … If you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. This is factory fresh inventory, not old dry-rotted stock. First, check the bulb for aging, loss of elasticity, or cracking. If your motor is stuttering and won’t seem to start, you can engage the choke to give it a boost of fuel, which is oftentimes enough to make it turn. And move down the line with the clear hose, until you hit the point where the bubbles stop. Next Last. any leaks in the system,that pesky check valve included, means the VST runs low on fuel. You should see fuel swirling and moving through the filter. I was hoping the new bulb would fix the problem, but it did not. Dec 28, 2013 #1. This could be a number of things. They look to be in good, serviceable condition. With a certain amount of fuel stored in the VST, the engine will fire up and run right when you hit the key switch. Ride them out when you can, but take note that this will eventually happen to the hoses. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Why Does My Outboard Lose Prime? Signs of a Bad Outboard Starter & How to Start the Engine. Pactrade Marine Fuel Line Assembly Mercury 3/8" Hose Barbs Primer Bulb Connector. MAINTENANCE 4. Pump the bulb to ensure fuel is flowing through the filter; replace or clean if it is not. Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. My primer bulb was changed about a week ago and did not fill with gas when primed. My name is Tan and I will be assisting you today. Check over the boat fuel filter and its fittings. Most of the time, with the visual inspection or process of moving that clear hose down the line. Outboard Fuel Primer Bulb Premium 8-10mm . Pumped it another thousand times with no luck, so I unhooked it at the outboard and put the end in a can down at ground level. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. If you don’t see fuel moving, remove the exit hose from the filter and put a rag over the nipple. Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! But blockages don’t cure themselves. 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. The most common cause of this is ethanol, which will speed up the deterioration. Outboard, Trolling Motor and Hi Performance Questi; Mercury Outboards Primer bulb fuel filter question. Our goal is to make content to help people resolve their boating issues and get back out on the water! Visually inspect filter to ensure all air has been purged. Be sure the arrow is UP. I have a home lite saw that wont start ,got good spark ,checked primer bulb lines,have the blowing air line going to tank the other from primer bulb line am not sure if it goes to top fitting or the bottom. Page 63: Break-In If you’ve got any questions or comments, let us know by subscribing to our YouTube Channel! In order to start the engine the fuel line has to be primed, and this is the purpose of the primer bulb. The number one problem with squeeze bulb priming systems on boats is minute leaks on the suction side of the bulb between the gas tank and the bulb itself. The other line is just to pump the fuel back into the tank. Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. Re the float needle post. You will find a broken hose barb fitting or cracked pick up tube. I dont know much about these mercs but maybe the diaghram, if it … We have run a test by bypassing the fuel seperator. When the primer bulb on your lawn mower isn't priming, it puts the carburetor at a disadvantage. The difference in results is amazing, and just by changing the orientation of the primer to vertical, its operation is much improved. Re: Primer ball won't get hard. Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. None of them meet the ABYC standard for this particular use/installation. Blower, lawn mower, weed eater, trimmer Product #079-9018-0 Click or tap to zoom. I prefer not to have sharp bends in fuel lines, but as long as they aren't pinched I don't think it's an issue. &pair any fuel leaks if necessary. ADD SPACE ... Gas primer bulb keeps going flat if motor doesn't run. All outboard motors have fuel pumps which are capable of lifting fuel from the fuel tank to the engine. We have changed to a top quality primer bulb. eyeman_1. No. Disconnect the fuel line from the engine side of the bulb. M. Marshall New Member. There are no known "primer bulbs" rated for below deck use. You would never be able to tell from just looking at it. Last one. So I might be able to tuck it in about the filter. Faulty Primer Bulb Another cause of the primer's filling problem could be the bulb itself. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. I have checked the primer bulb and it is flat. Any help/ideas? $36.99 $ 36. If fuel still refuses to flow, new aftermarket replacement squeeze bulb hoses are inexpensive and easy to integrate into the existing fuel system. Continue pumping the primer bulb until you fill the engine with fuel and are able to start the engine up. Check for fuel leaks. Holding the primer bulb with the arrow facing up [vertical] while squeezing will pull the fuel much faster. The chainsaw primer button is not filling; Change the Fuel Filter on a Ford Ranger; Check the Coil on a Stihl FS 66; Change a Honda Jazz Fuel Filter; HOMEPAGE HOME. We need to take off the engine cowling, and then locate where the fuel line is coming into the engine. I located the bulb at the outboard engine. Something that a lot of people miss is improperly pumping the primer bulb! The primer bulb is the weakest part of the line, being thin walled and flexable. 4.3 out of 5 stars 55. I.D. 85295 . These were used on the following years and HP motors: 9.9 hp 1988 thru 1998 ; 15 hp 1988 - 1998 We will do what we can and hopefully, we’ll be able to help you out! 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! It may actually sputter to a stop and take a few minutes to start. 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! We mainly focus on outboards and outboard boats. I located the main tank - 6 gal - in the bow and ran about 16 feet of Shield's fuel line from there to the outboard. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. 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. If it should rupture it is better to have it above or in the splash well, rather than onboard or in the boat. 2-Strokes on the other hand, that is a different story! As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. Follow along the fuel line moving it around and looking at it. TIHOOD Fuel Line Assembly, 5/16" Hose Line Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb Steel Hose Clamps 6FT (5/16"-Rubber) 4.1 out of 5 stars 245 $13.98 $ 13 . 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. Fuel lines need to be replaced on a seasonal basis, or more frequently if it's used in dirty, dusty conditions. I am using this primer bulb on my 14 foot aluminum fishing boat. 06-17-2012, 05:02 PM. Experience: 40 yrs. Craftsman Exclusives, Craftsman, Lawn Mowers. Also check that … I checked to make sure the bulb is pointing the right way and even flipped it around just to try it out. For more information about priming up a fuel system or how to find an air leak. I like to position the bulb with enough slack in the hose to allow you to do this while [squeezing] priming. 99. 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_6',106,'0','0'])); There are different causes to this depending on your engines. There are really only a couple of symptoms for a leak in the fuel lines to the engine. 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! If there are bubbles there, then there is something going on with the pickup tube or the fittings there at the fuel tank. (What is an Outboard FSM or VST?). $14.99. Dec 28, 2013 #1. This is factory fresh inventory, not old dry-rotted stock. This pump has limited capacity to lift fuel from the fuel tank, and it only begins to function with much efficiency after the engine is running. The next thing I would look into is the ignition on your merc. The primer bulb creates the initial flow of fuel between the inboard, built-in fuel tank and the carburetor, in low-pressure, carbureted outboard motors, or between the fuel tank and the vapor separation tank -- and the electric fuel pump -- on electronically fuel-injected motors. 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. Get it as soon as Tue, Dec 8. If the primer bulb is sucked flat when the motor is running, then you have a severe restriction in the boat's fuel system that can damage your outboard. Even flipped it around and looking at it most of the line fittings there at the illustrations those! Hi Performance Questi ; Mercury outboards primer bulb is the ignition on your Lawn Mower when... Miss is improperly pumping the primer bulb vertically with the visual inspection of the engine if you ’ ve seen! And replacing them as soon as you can turn the engine using the primer bulb turning the engine, puts. Observe all fuel hoses 2013 location Atlanta GA USA was hoping the new would... Be eligible for Ship to Home, and shipping is free on all online orders of $.. Marine primer bulb going flat... signs of a bad outboard water pump & Maintenance.. 150Hp Yamaha mile from our marina the boat packed with your gear and your friends... Look to be primed, and move down the line, prime up the.. 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