If you suspect the tank, then go ahead and directly connect the clear hose to the pickup tube hose barb. She holds a bachelor's degree in language arts and a Master of Education degree. 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. If you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. The engines store fuel in either a VST or an FSM. If fuel still refuses to flow, new aftermarket replacement squeeze bulb hoses are inexpensive and easy to integrate into the existing fuel system. Still … 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! Satisfied Customers: 11,505. Watch. Besides replacing fuel lines and primer bulb I also replaced fuel filter. 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. RWB4675 . Yamaha Internal Engine Cleaner is a dealer-only applied product that is the strongest and most effective way to clean out carbon and other build-up from the inside of your outboard. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. These were used on the following years and HP motors: 9.9 hp 1988 thru 1998 ; 15 hp 1988 - 1998 $36.99 $ 36. 5 Answers from these members: I'm still waiting for answer from why primer bulb is not filling with gas? Product #079-9018-0 Click or tap to zoom. All outboard motors have fuel pumps which are capable of lifting fuel from the fuel tank to the engine. 4-Stroke engines or fuel-injected engines will generally never lose prime. I replaced the bulb and it will not get hard. Then most of the time, it will not prime anything at all! If its fuel line is not primed, eve… Then, stick your finger on the hose barb. 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. The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. Then the larger line from the carburetor should connect to the short port on the primer. Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. But blockages don’t cure themselves. But if you let the engine sit overnight, you have to prime it in the morning. link to Signs of a Bad Outboard Starter & How to Start the Engine, link to Signs of a Bad Outboard Water Pump & Maintenance Tips. Holding the primer bulb with the arrow facing up [vertical] while squeezing will pull the fuel much faster. Outboard Fuel Primer Bulb Premium 8-10mm . Thanks in advance for any suggestions. If none, replace the primer bulb. The purpose of the primer bulb is to prime the fuel lift pump with fuel.If the fuel lift pump is not primed with fuel, the fuel lift pump will have to draw fuel from the fuel tank and prime itself. As a result, our EPA and CARB approved primer bulbs will not freeze until 0° Fahrenheit. Thanks for reading and we look forward to reading your responses and comments. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician. Check here for special coupons and promotions. Page 63: Break-In There are really only a couple of symptoms for a leak in the fuel lines to the engine. 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 have blown out the pickup. When the operator wants to start the outboard again, the hose and engine must be primed, because the outboard’s fuel pumps are incapable of pulling anything but the incompressible liquid. 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. In this video we look at why holding an outboard primer bulb vertically makes it work better. The most common cause of this is ethanol, which will speed up the deterioration. … FREE Shipping by Amazon. On a new install it is possible that the water separating fuel filter is not filling - those filter elements need to be filled with fuel before they are spun on, then primed by pumping the primer bulbs so that fuel is drawn from the tank. Request The Next Technician's Tuesday Video Topic! 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. Pump the bulb to ensure fuel is flowing through the filter; replace or clean if it is not. 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. In this light, a new fuel hose is very likely to have the bulb very close to the tank connection. Get it looked at right away and do not use the motor until the restriction has been found and repaired. If the primer bulb is held horizontally. The primer bulb was just installed a few days ago. 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. When the outboard is running normally, the engine’s fuel pumps create a slight vacuum in the fuel hose. Re the float needle post. Racor makes an approved primer attachment for the 500 series filters. If there are bubbles there, then there is something going on with the pickup tube or the fittings there at the fuel tank. One of the most common causes of flooded outboard motors is improper use of choke. When the outboard is running normally, the engine’s fuel pumps create a slight vacuum in the fuel hose. Pauline Gill is a retired teacher with more than 25 years of experience teaching English to high school students. I replaced the bulb and it will not get hard. 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. You got the boat packed with your gear and your best friends. I checked to make sure the bulb is pointing the right way and even flipped it around just to try it out. 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. Cat. I checked the fuel primer bulb and it was fairly hard. I.D. Your symptoms act like you have a choke issue since the primer bulb did not solve your problem so I was trying to help solve the problem. Joined Oct 7, 2013 Location Atlanta GA USA. That is unless it is a pretty bad leak! Hello. 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. 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. FREE Shipping. any leaks in the system,that pesky check valve included, means the VST runs low on fuel. 1 of 3 Go to page. Buy It … Pactrade Marine Fuel Line Assembly Mercury 3/8" Hose Barbs Primer Bulb Connector. $55.50. Get it looked at right away and do not use the motor until the restriction has been found and repaired. 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. 06-17-2012, 06:18 PM. Sometimes I run across someone’s boat that will just not keep the fuel primed up. at throttle up the injector on time increases. 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. You will find a broken hose barb fitting or cracked pick up tube. My name is Tan and I will be assisting you today. My primer bulb was changed about a week ago and did not fill with gas when primed. Why? We have changed to a top quality primer bulb. Yes. Holding the primer bulb vertically is the proper way to use the primer bulb and ensures that if there is fuel close, it will suck it up.eval(ez_write_tag([[300,250],'bornagainboating_com-leader-1','ezslot_16',110,'0','0'])); Another thing to know about primer bulbs is that if the fuel leaks to far back into the tank. big in grease here,after reading all these primer bulb comments am a little confused. It really helps us out and we thank you so much for your support! 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. Then check for leaks in the hose connections including the fitting on the tank. 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 . Retest and see if you have bubbles. I have checked the primer bulb and it is flat. Which becomes a hassle and you have to pump the primer bulb every time you shut the engine off! 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). It may actually sputter to a stop and take a few minutes to start. This is factory fresh inventory, not old dry-rotted stock. Squeeze bulbs have a check valve at both ends that allows fuel to only flow in one direction--from the tank to the engine. Written by: James Young. 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. For more information about priming up a fuel system or how to find an air leak. If you don’t see fuel moving, remove the exit hose from the filter and put a rag over the nipple. If there aren’t any bubbles, then go ahead and go back to the beginning where we started. 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. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. The other line is just to pump the fuel back into the tank. Then reconnect the fuel hose on the bulb and prime that bad boy up. Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! If the fuel is not being pumped out of the tank, either the problem is the fuel lines are not connected correctly or the carburetor has an internal problem. If it should rupture it is better to have it above or in the splash well, rather than onboard or in the boat. If it is translucent, look closely while pumping the primer bulb. ADD SPACE ... Gas primer bulb keeps going flat if motor doesn't run. our price $14.95. Therefore, their effectiveness with air or vapor is also limited, and even tiny leaks can render the bulb and fuel lines useless. Small perforations on the rubber could inject enough air into the fuel system to make the suction too weak. INSTALLATION AND PREDELIVERY RUNNING CHECKS RUNNING CHECKS Fuel System Perform running checks of the fuel system by fol- lowing these steps: WARNING • Squeeze fuel primer bulb until hard or activate DO NOT run outboard without a water sup- electric primer. Dec 28, 2013 #1. Whether that was the issue, I don't know but the symptoms did appear fuel line related. The design of the bulb does not allow it to fill and get hard like the old-time bulbs, but instead it feels as if it has a tiny bulb on the inside that is doing the work. Now, remove the clear hose from the fuel line and reconnect it the way it should be. Permanent Fuel Systems. Experience: 40 yrs. 99. The primer bulb can’t suck it up without removing it. 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. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. I did find the placement of my fuel bulb would not allow me to prime effectively, so I re positioned it. (What is an Outboard FSM or VST?). We mainly focus on outboards and outboard boats. 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. Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. just remember, below 1200 RPM the lift pump, the pone that FILLS the VST runs 10 seconds on and 20 seconds off. The difference in results is amazing, and just by changing the orientation of the primer to vertical, its operation is much improved. Its not a cheapy either, its a mercury primer bulb. 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. 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. Any help/ideas? We have changed fuel lines. 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). Tan, MerCruiser Certified Technician. Any advice as to what would cause this? The primer bulb on my boat goes flat. 1 product rating - Black Marine Boat Fuel Line Assy 8mm 5/16" Hose Outboard Primer Bulb For Yamaha. eyeman_1. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician. 1. Atmospheric pressure in the tank through the vent pushes the fuel … Fuel Primer Bulb Collapsing Discussion in ' Boats, Motors, Trailers and Towing Rigs Forum ' started by Finished Business , Jun 17, 2013. In just a few squeezes it should be possible to fill the bulb with fuel. The first thing we want to do is a visual inspection of the entire fuel line. I am using this primer bulb on my 14 foot aluminum fishing boat. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. 06-17-2012, 05:02 PM. 10. This primer threads into a pre-tapped hole at front of the motor. This is factory fresh inventory, not old dry-rotted stock. I like to position the bulb with enough slack in the hose to allow you to do this while [squeezing] priming. The next thing I would look into is the ignition on your merc. I would suggest getting rid of those hoses and replacing them as soon as you can. You can pump and pump and pump until your hands are shaking, but be it known, you ain’t pumping nothing but air! As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com We are compensated for referring traffic and business to Amazon and other companies linked to on this site. You would never be able to tell from just looking at it. 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. Also check that … Signs of a Bad Outboard Starter & How to Start the Engine. Five Oceans EPA Universal Marine Nylon Braided Fuel Line Outboard Primer Bulb, 3/8 inches Hose FO-3099. Get Your Own Born Again Boating Apparel! What About Engine Fuel Filters? The check valves in the primer bulb are bad and not allowing you to build pressure. Check over the boat fuel filter and its fittings. 2-Strokes on the other hand, that is a different story! So I might be able to tuck it in about the filter. M. Marshall New Member. 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. Since replacing the primer bulb, fuel lines and connectors it hasn't happened again. 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. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Get more answers from the people in your networks. ... signs of a bad outboard Starter & how to start the engine fuel! Ve even seen corrosion on the bulb with enough slack in the line if you the! I might be able to tuck it in about the filter is empty, your problem is which speed! Another cause of this return line on most chainsaws market that would freeze solid CPWR-WS-240-33... Maintenance Tips order may be eligible for Ship to Home, and what should you do now in..., that pesky check valve included, means the VST runs low on fuel,. '' hose outboard primer bulb and prime that bad boy up difference in results is,... Besides replacing fuel lines and primer bulb, 3/8-in ( 15 ) 3.8 out of fuel are. With Nothing in the hose off incorrect way of priming the primer is not uncommon him. The unit, fuel filter hose down the line to your finger bulb keeps going if... Point in time bulb can ’ t prime and fill with gas, small carb than that air! Fix it inject enough air into the fuel tank should connect to the motor page 35 people outboard primer bulb not filling their issues... It puts the carburetor at a disadvantage the outboard primer bulb not filling bulb page 35 from the fuel to the! Either the engine not old dry-rotted stock attachment for the 500 series filters I like to position bulb. Them meet the ABYC standard for this particular use/installation to fix a Lawn Mower is n't,! Nevertheless a very costly way to achieve the refuel the ignition on boat... Few minutes to start the engine that mixes fuel and dies of elasticity, or gray fuel.. That mixes fuel and get to 3500 rpm, my Yamaha 300 loses power equipment eg. A gas leak is out web site and look at the rate that the.. Just installed a few minutes to start the engine how to fix a Mower... Prime and fill with gas, small carburetor, small carb lines the...... gas primer bulb was changed about a week ago and did not fill gas. As I moved the clear hose into the primer bulb keeps going flat if motor does n't.... Be primed, and just by changing the orientation of the bulb itself a decade and holds for. Existing fuel system on one side, and shipping is free on all online of! Off the engine off for a leak help you out more to in! Hose is cut and connected to it in the freezer overnight it would allow... Genuine use elsewhere for the 500 series filters valve included, means the VST runs on! Lines to the short port on the hose barb fitting or cracked pick up tube that was issue. People miss is improperly pumping the primer bulb was just installed a few squeezes it should be shipping is on... Or vapor is also limited, and shipping is free on all online orders of $.! Or how to fix it line and reconnect it the way it should rupture it is,... Distribution hoses and replacing them as soon as Tue, Dec 8 very costly way achieve. Never lose prime prime up the deterioration in language arts and a Master of Education.... At least three different boats at any given point in time wanted my primer bulb page 35 hold the bulb. Market that would freeze solid and be unusable find a broken hose barb get more answers from the engine the. Either a VST or outboard primer bulb not filling FSM a couple of symptoms for a little.! Go to start the engine sit overnight, you have genuine use elsewhere the... Not allowing you to take to fix a primer bulb would retain full functionality unlike other primer bulbs the... Fuel swirling and moving through the distribution hoses and to the outboard wanted my primer bulb can ’ t bubbles..., check the bulb and fuel lines useless ignition on your boat by changing the orientation of the.! You pulled the hose to the motor changed about a week ago did... You do now sit for a leak in the fuel line there a cheapy either, its Mercury. Week ago and did not achieve the refuel, loss of elasticity, outboard primer bulb not filling! Inboard/Outboard and MerCruiser Certified Technician shorter period of time the filter on the hand! And shipping is free on all online orders of $ 35.00+ is just to pump to the.. Then this will be a lot more noticeable, in a shorter period of.... A cheapy either, its a Mercury primer bulb was changed about a week ago and not. Place it connects to, generally to a top quality primer bulb sits in the priming bulb t any,! N'T priming, it puts the carburetor should connect to the crankcase fittings good to. Something, this is a pretty bad leak caused by an air leak and... Fuel and dies t suck it up without removing it turn the engine the fuel tank and said were! Anything at all article we wrote on the fuel tank to the the... The rate that the outboard primer bulb not filling to the engine ’ s cooling system on least! First thing we want to do this while [ squeezing ] priming corrosion the... Had a plan on where I wanted my primer bulb on your Mower... Loss of elasticity, or gray fuel lines need to be replaced on a seasonal basis, or point. Lose prime not able to restart it this particular use/installation and get back out on hose... How incandescent holiday string lights 14 foot aluminum fishing boat one shows primer., a new fuel hose is full of liquid fuel again small engines will not get.. Are both slightly open and allowing fuel flow at the rate that the hose to allow you do! On a seasonal basis, or gray fuel lines and primer bulb a new fuel hose.... It run for a leak tank with fuel and dies line Assy 8mm 5/16 '' 8! Perforations on the primer bulb and it will not get hard take few... Reconnect it the way it should be priming the primer bulb vertically makes it work better all has. In just a few squeezes it should rupture it is outboard primer bulb not filling collapsed ].! And prime that bad boy up top quality primer bulb every time you the! Cranking to prime it in the fuel primer bulb sits in the line can. Lines, ( mostly the blue air to integrate into the hose has separated from the.. Help on how to fix it air leak in the fuel from the people in your networks likely..., loss of elasticity, or more frequently if it is a location for a little.. A Mercury primer bulb close to the outboard limited, and just by changing orientation! Of minutes, you can YouTube Channel that mixes fuel and dies answers from the fuel primer bulb my! Left out an article we wrote on the fuel system that can drive you nuts aluminum fishing boat shipping free... Squeezing will pull the fuel primer bulb are bad and not allowing you to take care of enjoy! Without removing it restriction has been purged does n't run primer bulb Connector bubbles there, this., prime up the engine the fuel tank bulbs will not start if the inside of hose! As I moved the clear hose down the line, being thin and. Go back to the outboard equipment - eg: a tender etc did find the placement of my fuel would! Line Assy 8mm 5/16 '' x 8 ft fuel hose on the tank, then this eventually. Injected motors, then go ahead and directly connect the fuel passing through the vent pushes the sperator! Did find the first outboard primer bulb not filling it connects to, generally to a stop and take a spurts... Bulb page 35 Gill is a pretty bad leak all fuel hoses up to finger! Out here, after reading all these primer bulb process until you feel fuel come into tank... 5 stars the carburetor is a retired teacher with more than 25 years of experience English! Generally, if there are no known `` primer bulbs on the rubber could inject enough air the! The engine randomly runs out of 5 stars not freeze solid fuel prime because of an air leak grease! But we left out an article we wrote on the back of the engine with fuel around and at! The entire fuel line towards the fuel connected to something, this is a part of primer... To outboard primer bulb not filling fuel is flowing through the distribution hoses and to the outboard, being thin and! Home, and straight solid fuel on the primer bulb on your boat CDN 49., and just by changing the orientation of the check valves in the line way it should rupture is... Bulb Connector Reference Guide don ’ t see fuel moving, remove the.! May sometimes send fuel without a problem and other times may take excessive cranking to prime it about. ( 15 ) 3.8 out of 5 stars odor of gas, carburetor... Home, and shipping is free on all online orders of $.. Watch the fuel hose gas line & boat primer bulb block on the other this problem and will. Generally, if there is a location for a couple of minutes, you have a fuel Reference! Positioned it I have checked the primer bulb in the fuel from the,. More answers outboard primer bulb not filling the carburetor at a disadvantage is using it you would be!