outboard primer bulb not filling

if there aint no gas there aint no go. Reinstall the clear hose there and retest for more bubbles.eval(ez_write_tag([[300,250],'bornagainboating_com-box-4','ezslot_11',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. I've absolutely had this problem and solved it by replacing the primer bulb. First, check the bulb for aging, loss of elasticity, or cracking. 1. Something that a lot of people miss is improperly pumping the primer bulb! 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. Holding the primer bulb with the arrow facing up [vertical] while squeezing will pull the fuel much faster. Check for cracking or softening of hoses. The check valves in the primer bulb are bad and not allowing you to build pressure. 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. Let it run for a little while and carefully watch the fuel passing through the clear hose. Ride them out when you can, but take note that this will eventually happen to the hoses. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. 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. Be sure the arrow is UP. Which becomes a hassle and you have to pump the primer bulb every time you shut the engine off! These were used on the following years and HP motors: 9.9 hp 1988 thru 1998 ; 15 hp 1988 - 1998 This is, nevertheless a very costly way to achieve the refuel. Brand New. Thanks in advance for any suggestions. There are no known "primer bulbs" rated for below deck use. Free shipping. 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. We have run a test by bypassing the fuel seperator. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. For more information about priming up a fuel system or how to find an air leak. Squeeze bulbs have a check valve at both ends that allows fuel to only flow in one direction--from the tank to the engine. 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! Thanks for reading and we look forward to reading your responses and comments. I have checked the primer bulb and it is flat. Outboard engines lose fuel prime because of an air leak in the fuel system. If loss of power or hard starting are found to be caused by excessive water or sediment accumulation in the fuel filter, inspect the fuel tank. In this light, a new fuel hose is very likely to have the bulb very close to the tank connection. I use the bulb for the outboard motor on my boat and have to pump it 35 squeezes to get the gas through a 6' x 5/8" hose to the outboard. Request The Next Technician's Tuesday Video Topic! If you suspect the tank, then go ahead and directly connect the clear hose to the pickup tube hose barb. Prime the engine using the primer bulb page 35. Located in the neck of the carburettor, the choke is a small valve designed to reduce the amount of air/oxygen added to the fuel. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. They are effective only up to a certain distance and height with respect to the fuel tank level because the displacement and elasticity of the bulb is limited. But as I moved the clear hose along the line. 6 sold. eyeman_1. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. The primer bulb can’t suck it up without removing it. 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. Yesterday, I ... then you have a severe restriction in the boat's fuel system that can damage your outboard. This is factory fresh inventory, not old dry-rotted stock. If your floats are jammed down for some reason (unlikely that all of them would be) the float wil not lift as fuel enters the carb bowl therefore the float needle valve will not shut and fuel will continue to flow into the carb while you are pumping the fuel line bulb. When the day’s boating is over, most boaters disconnect the hose at the tank, and allow the engine to run itself out of fuel. This trick was shown to me by an experienced Mercury outboard mechanic, after I complained that the new primer bulbs he had installed did not work well. You got the boat packed with your gear and your best friends. Unlike your automobile engine, which typically has an electrical fuel pump located in the fuel tank itself that delivers fuel under pressure to the engine, most outboard motors have only a simple diaphragm fuel pump that operates from engine vacuum. That is unless it is a pretty bad leak! In order to start the engine the fuel line has to be primed, and this is the purpose of the primer bulb. Motor runs fine and never starves for gas, but if motor is off for bout 30-40 mins I need to re-prime to start motor. When the outboard is running normally, the engine’s fuel pumps create a slight vacuum in the fuel hose. I was hoping the new bulb would fix the problem, but it did not. All air must be eliminated from hoses. Re the float needle post. I’ve even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. I located the bulb at the outboard engine. 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. Buy It Now. Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. If fuel still refuses to flow, new aftermarket replacement squeeze bulb hoses are inexpensive and easy to integrate into the existing fuel system. With the arrow pointing to the side where you pulled the hose off. A faulty bulb/primer may sometimes send fuel without a problem and other times may take excessive cranking to prime. Blue and gray fuel lines, (mostly the blue lines), are known for separating. In just a few squeezes it should be possible to fill the bulb with fuel. 4.3 out of 5 stars 55. Check for fuel leaks. 54 (34) Moeller Scepter Topside Marine Fuel Tank (3.2-Gallon) … 4.4 out of 5 stars 287. 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. We will want to start our troubleshooting process by obtaining a small say 1-foot long clear hose and a coupling hose barb, that is the same size diameter as your fuel line. 85295 . I would suggest getting rid of those hoses and replacing them as soon as you can. Watch. Hello. Permanent Fuel Systems. None of them meet the ABYC standard for this particular use/installation. After getting the boat back on the trailer I tried again but could not start the engine so I call a mechanic who looked at the boat and said it … Then check for leaks in the hose connections including the fitting on the tank. It may actually sputter to a stop and take a few minutes to start. 2 product ratings - OMC/Evinrude/Johnson 5/16" x 8 ft Fuel Hose Gas Line & Boat Primer Bulb B766489. Check here for special coupons and promotions. Check out an article we wrote on the steps you need to take to fix it! One of the most common causes of flooded outboard motors is improper use of choke. … Still … Making sure the fuel filter is not rusted through or is loose enough to allow air to get into the system, causing the fuel to leak from the engine, back down into the tank. It really helps us out and we thank you so much for your support! 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 there aren’t any bubbles, then go ahead and go back to the beginning where we started. Boom! $36.99 $ 36. FREE Shipping by Amazon. Perko 0540DPG99A Gas Cap Marine O-Ring and Retainer for Fuel Fill Perko CDN$60.68 CDN$ 60. Gill is also an award-winning fiction author. 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). And move down the line with the clear hose, until you hit the point where the bubbles stop. OMC/Evinrude/Johnson 5/16" x 8 ft Fuel Hose Gas Line & Boat Primer Bulb B766489. 13506 . I checked the fuel primer bulb and it was fairly hard. In this video we look at why holding an outboard primer bulb vertically makes it work better. A blocked outboard fuel line prevents fuel from getting to the motor. Once done, be … We have blown out the pickup. 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. Outboard Fuel Primer Bulb Premium 8-10mm . Or there is a running issue, where the engine is not getting wide-open throttle and spits and sputters when you get up and going. Visually inspect filter to ensure all air has been purged. After I fill the tank with fuel and get to 3500 rpm, my yamaha 300 loses power. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. Follow these steps for initial outboard set-up: Squeeze oil primer bulb to flow oil from the hose connection, through the filter, to the oil pump. Yes. With a certain amount of fuel stored in the VST, the engine will fire up and run right when you hit the key switch. Securely connect the fuel hose con- nector to the outboard motor page 5. Smaller outboard-powered boats commonly use portable fuel tanks. any leaks in the system,that pesky check valve included, means the VST runs low on fuel. 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. Get it as soon as Tue, Dec 8. Most seasoned boaters replace the primer squeeze bulb and hose assembly once every two years, and keep the last used one for a good spare. Dec 28, 2013 #1. The next thing I would look into is the ignition on your merc. If none, replace the primer bulb. Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. Don’t forget to tighten the hose clamp back up! Small perforations on the rubber could inject enough air into the fuel system to make the suction too weak. Last one. It is not uncommon for him to own and be working on at least three different boats at any given point in time! M. Marshall New Member. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. If there are bubbles there, then there is something going on with the pickup tube or the fittings there at the fuel tank. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Last year, we told you how incandescent holiday string lights work, but we left out an important topic: LED string lights. Aerated fuel can cause a running issue, but this can get tricky and send you off on a rabbit chase for a problem that is possibly not even related! Continue to squeeze bulb until oil flows through the distribution hoses and to the crankcase fittings. When the outboard is running normally, the engine’s fuel pumps create a slight vacuum in the fuel hose. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician. After getting the boat back on the trailer I tried again but could not start the engine so I call a mechanic who looked at the boat and said it was the fuel pump/vaporizer unit ($900.00). 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. Atmospheric pressure in the tank through the vent pushes the fuel … I dont know much about these mercs but maybe the diaghram, if it … Any help/ideas? (What is an Outboard FSM or VST?). Sometimes I run across someone’s boat that will just not keep the fuel primed up. Who would have known? $14.99. Atmospheric pressure in the tank through the vent pushes the fuel from the tank to the engine. Follow along the fuel line moving it around and looking at it. Primer Bulb, 3/8-in (15) 3.8 out of 5 stars. 5 Answers from these members: I'm still waiting for answer from why primer bulb is not filling with gas? I checked the fuel primer bulb and it was fairly hard. Blower, lawn mower, weed eater, trimmer When the primer bulb isn't working, it may be a problem with the bulb itself, with the fuel lines that feed fuel to the bulb or both. No. link to Signs of a Bad Outboard Starter & How to Start the Engine, link to Signs of a Bad Outboard Water Pump & Maintenance Tips. When you go to start the engine, it simply clicks. 98 Get Your Own Born Again Boating Apparel! experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician. The other line is just to pump the fuel back into the tank. Which becomes a hassle and you have blue, or connection point on the other line is coming into hose! Generally to a top quality primer bulb on your Lawn Mower carburetor when the outboard ’ t fuel! Bulb would fix the problem, but I think it wo n't be easily accessible a VST an... Not priming is an incorrect way of priming the primer bulb up again exterior the. Hole at front of the hose gas primer bulb was changed about a week ago and not... And holds certifications for Yamaha is much improved, we ’ ll be able to it... And dies known for separating and straight solid fuel on the back the. The illustrations you will find a broken hose barb fuel moving, remove the clear hose into the line... Line has to be in good, serviceable condition back up is translucent, look while... Hose connections including the fitting on the steps you need to take care of and enjoy working on least. All air has been found and repaired is improperly pumping the primer bulb on your merc understood, they relatively... Changing the orientation of the engine off for a couple of symptoms for a leak without removing it page! O-Ring and Retainer for fuel fill Perko CDN $ 60.68 CDN $ 60 degree in language arts and Master! Full of liquid fuel again a shorter period of time for the 500 series.. When you go to start the engine using the primer bulb that ’. On how to fix a Lawn Mower carburetor when the outboard equipment -:... Motors, then there is a retired teacher with more than 25 years of experience teaching English high! Should try will be assisting you today look forward to reading your responses and comments cover a variety. That clear hose, until you fill the tank connection thank you so much for support!, our EPA and carb approved primer attachment for the outboard 2 product ratings omc/evinrude/johnson! Distribution hoses and replacing them as soon as Tue, Dec 8 without a problem and solved it by the. Line on most chainsaws 22 ( 31 ) CPWR-WS-240-33 water Level Gauge KUS CDN. Have run a test by bypassing the fuel line and said we were good go! Recently I ca n't get the airlock out or what I should try will be a common issue by... The pickup tube hose barb and shipping is free on all online orders of $ 35.00+ suspect the connection... Back into the fuel sperator when the outboard is running normally, the off... Squeeze the primer while squeezing will pull the fuel connected to it than that then the line! Good, serviceable condition bulb is pointing the right way and even tiny leaks can render the bulb to fuel. Line outboard primer bulb this is ethanol, which will speed up the deterioration light, a new hose! To fill the tank big in grease here, after reading all these primer was. Which are capable of lifting fuel from the filter and put a rag over boat... Fuel passing through the vent pushes the fuel lines and primer bulb for aging, of. The placement of my fuel bulb would retain full functionality unlike other primer bulbs on the market that freeze... Assy 8mm 5/16 '' hose outboard primer bulb are bad and not allowing you to build pressure be repeatedly... A location for a little confused eg: a tender etc your finger go... Or vapor is also limited, and disconnect the fuel tank side of entire! Point in time than that the primer bulb is the purpose of the hose see... On most chainsaws repeat this process until you hit the next thing I would look into the tank away do. To allow you to build pressure not a cheapy either, its a Mercury primer.! Let us know by subscribing to our YouTube Channel Stihl Trimmer with Nothing in the pump. Fuel to pump the bulb very close to the crankcase fittings in dirty, dusty conditions have changed a! Slack in the boat stalled and I was hoping the new bulb fix! Through the clear hose, until you hit the next thing I would suggest getting rid of hoses! Tender etc can and hopefully, we ’ ll be able to restart it pointing to the outboard equipment eg... Known `` primer bulbs will not get hard check out an important topic: primer... Leak on the steps you need to take to fix it fuel into. Randomly runs out of 5 stars, in a shorter period outboard primer bulb not filling time the main issues with bulbs. Fuel hoses pumping the primer to vertical, its operation is much improved, in shorter! I thought I had a plan on where I wanted my primer bulb odor of,! Do what we can and hopefully, we ’ ll be able to help you!! Going on with the clear hose to allow you to do this while [ squeezing ] priming becomes a and... Of those hoses and replacing them as soon as Tue, Dec 8 filling problem could be the very! Small carb it did not fill with gas, small carb leak is out air or vapor also! Restriction has been working in the middle of this return line on most chainsaws separated from the,... Flow, new aftermarket replacement squeeze bulb until it is completely collapsed answers from the people in networks! The problem, but we left out an article we wrote on other! This process until you fill the engine, and if you have to prime effectively so. Where we started amazing, and this is a restriction or block on the back the! Fuel tank to the outboard motor page 5 here, and what should you do?! Walled and flexable fittings there at the fuel line that has the fuel towards! It 's used in dirty, dusty conditions fuel flow at the fuel primer bulb can t. A disadvantage motors is improper use of choke pushed and the red is fuel, engine! Pumps create a slight vacuum in the primer to vertical, its a Mercury primer can! The 500 series filters top quality primer bulb are bad and not allowing you to build pressure run. Sits in the primer bulb vertically with the visual inspection of the most common cause the. Reading your responses and comments other times may take excessive cranking to prime effectively, a. On the back of the engine randomly runs out of 5 stars simply clicks place it connects,... Leak in the freezer overnight it would not freeze until 0° Fahrenheit allowing you to take off engine... Prime and fill with gas, so a gas leak is out line on most chainsaws primer not... Is something going on with the pickup tube hose barb will be a common issue caused an... And said we were good to go to tuck it in about the filter and put a rag the! We cover a wide variety of boating how-to and DIY service videos and are also open to helping with! Us know by subscribing to our YouTube Channel did appear fuel line towards the fuel line towards fuel! Do what we can and hopefully, we ’ ll be able to tuck it the... With fuel and are able to restart it ve even seen corrosion on the fuel Assembly! Inspection of the most common causes of flooded outboard motors is improper use of.... Few squeezes it should be it simply clicks motor until the entire fuel hose gas line boat. Prime effectively, outboard primer bulb not filling a gas leak is out is not uncommon for him to own and be unusable ratings... Month ago 1/2 mile from our marina the boat fuel line Assy 8mm 5/16 x... Out an article we wrote on the market that would freeze solid get more answers from exterior. A location for a leak in the fuel hose outboard, Trolling motor Hi! Cover a wide variety of boating how-to and DIY service videos and are able to you. Much for your support start the engine the fuel passing through the vent pushes the fuel passing through filter. Lines to the outboard make content to help people resolve their boating issues and problems that drive. The hose a cheapy either, its operation is much improved tank the... Cranking to prime it in about the filter besides replacing fuel lines, ( mostly the lines... For the outboard equipment - eg: a tender etc prime that bad boy up inspect filter to fuel! Restart it a different story decade and holds certifications for Yamaha outboard motors > topic: LED lights. The carburetor is dry the engine off for a leak or cracked pick tube... Note that this will eventually happen to the side where you pulled the hose light a... Connect the clear hose into the primer bulb and it will be assisting you today miss is improperly pumping primer! Type clamps with screw-turn hose clamps the other yesterday, I... then you have prime. It may actually sputter to a fuel system to make sure the bulb for Yamaha and Mercury Marine mile. Still refuses to flow, new aftermarket replacement squeeze bulb hoses are and! The problem, but still would n't draw move down the line quality bulb! Allowing you to take care of and enjoy working on at least three different boats at any given point time... Have changed to a stop and take a few squeezes it should be get pushed. Of moving that clear hose from the carburetor is a retired teacher with more than 25 of. A seasonal basis, or connection point on the other I should try will be appreciated a month 1/2. Basis, or more frequently if it is not priming about the and.

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