Outboard engines lose fuel prime because of an air leak in the fuel system. (What is an Outboard FSM or VST?). Remove primer seat using a crochet hook or other type of hook. Only 3 left in stock. Then reconnect the fuel hose on the bulb and prime that bad boy up. AMIC 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. I have a 9950 HP Johnson outboard boat motor, model J50ELEER. Only when on the water does the problem occur, so I assume it has something to do with motion or vibration which causes the situation to make this occur. But as I moved the clear hose along the line. 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! Hi , I have a Mercury 90 HP ,2 stroke , 3 cyl. I have never had to use the primer bulb on my '12 150, hot, cold or other wise to help start the engine. Something that a lot of people miss is improperly pumping the primer bulb! $36.99 $ 36. Fuel vaporization has been talked about on this forum recently. On outboard motors, the primer bulb is in the fuel line, between the tank and engine. Terisass Fuel Line Gasoline Pump Hand Primer Bulb One-way Supply Valve For Car Boat Marine Outboard ABS Material Carburettor Low Pressure Fuel Systems … 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! NAVARME8mm 5/16 Black Bulb Type Rubber Fuel Transfer Vacuum Fuel Line Hand Primer Gasoline Petrol Diesel Pump For Marine Boat 9001080A. Now - Today I went out in the Tinny from Scarborough boat ramp (Thurecht st). Have you put any additives in the fuel tank such as BRP 2+4? There are still times where I need to shut down promptly but with changing my bad habits I have mostly solved this issues on my motor. 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. Boom! It is not uncommon for him to own and be working on at least three different boats at any given point in time! Motor is losing it's prime..PLEASE HELP!! It can also cause all kinds of running issues and problems that can drive you nuts! Suitable for Carburettor and low pressure fuel systems. SIERRA 3/8″ PREMIUM PRIMER BULB EPA/CARB COMPLIANT. Engine loading and low fuel flow during low rpm testing on hose will seldom pinpoint boat fuel system problems. I re-primed the bulb and the motor immediately restarted and idled with no problem. Multi layer bulb designed for high performance priming in the harsh marine environment. 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. 15410-92E02 Suzuki Outboard High Pressure Fuel Filter. The fuel line needs to hold pressure -- when you pump up the primer bulb it should stay firm all day. 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! 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_11',107,'0','0'])); Extensions in fuel lines, to save old fuel hoses, create weak spots. We have been working in the marine industry for over a decade and will do what we can to help you enjoy more time on the water on your boat! To start the engine, the user presses or squeezes the primer the correct number of times and engages the starter. In order to start the engine the fuel line has to be primed, and this is the purpose of the primer bulb. It's not hard to do but easy (at least for me) to get confused. Blue and gray fuel lines, (mostly the blue lines), are known for separating. The primer bulb is the weakest part of the line, being thin walled and flexable. ... 10mm 3/8" Hand Primer Bulb Outboard Car Marine Boat Gas Fuel Line Pump MA2140. 4.4 out of 5 stars 295. WAY cheaper to buy the re-build kit, but do keep track of "orientation" of all the parts if you do. If I continue squeezing the primer bulb … But blockages don’t cure themselves. Then most of the time, it will not prime anything at all! Now that you have located the leak, fix it! YouTube, The primer bulb is the weakest part of the line, being thin walled and flexable. If there are bubbles there, then there is something going on with the pickup tube or the fittings there at the fuel tank. Losing pressure in primer bulb mid WOT - Gas tank and primer are up under the bow of the boat. Supported videos include: The primer bulb can’t suck it up without removing it. 8. When the primer bulb is squeezed, the pressure created closes the inlet valve and opens the outlet valve, allowing fuel in the bulb … Engine mounted fuel filter is on correctly, not cross threaded and is genuine BRP one? SKU: 321156585803 Categories: Fuel Filters, Fuel Pumps - Low Pressure Tags: 18-8005EP-1, 3/8, PRIMER BULB, SIERRA. The fuel inlet needle in the carburetor is stuck open allowing fuel to flow freely into the engine causing your issue. Larand Marine Products uses a proprietary formula for the rubber that goes into all of our Marine Primer Bulbs.As a result, our EPA and CARB approved primer bulbs will not freeze until 0° Fahrenheit. It took about 50 squeezes on the bulb to get the fuel line filled thru to … Get Your Own Born Again Boating Apparel! So what do you do, you ask? Shop with confidence - get free shipping to home or stores + price match guarantee! Participant. Primer Bulb Low-Perm 5/16. walleye_wisdom. The primer bulb can’t suck it up without removing it. You got the boat packed with your gear and your best friends. 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. To start the engine, the user presses or squeezes the primer the correct number of times and engages the starter. You can pump and pump and pump until your hands are shaking, but be it known, you ain’t pumping nothing but air! link to Signs of a Bad Outboard Starter & How to Start the Engine, link to Signs of a Bad Outboard Water Pump & Maintenance Tips. Sometimes I run across someone’s boat that will just not keep the fuel primed up. Intermittent problems are a PITA to solve but, solvable. I had a primer bulb once that got flimsy after a couple years of use and no longer had the rigidity to remain "inflated" when the engine was sucking fuel. 09-26-2009, 10:23 PM #2. Not your father's deck fill fitting: EPA-certified deck fills carry pressure-relief valves to control diurnal emissions. Shop with confidence - get free shipping to home or stores + price match guarantee! So yes it does matter. Shop, read reviews, or ask questions about WEST MARINE EPA-Approved Primer Bulb, 3/8 Hose at the official West Marine online store. These are parts that do wear out eventually, and aren't expensive, so if you haven't replaced 'em in a few years, this would be a good time. Now, remove the clear hose from the fuel line and reconnect it the way it should be. Our goal is to make content to help people resolve their boating issues and get back out on the water! Check over the boat fuel filter and its fittings. I was experiencing this with my 2016 150. There is a low pressure pump (no need for primer bulb) that moves fuel from the tank and provides flow to the fuel cooler/inlet of the high pressure pump. Is this a re-power on an older hull? Reinstall the clear hose there and retest for more bubbles.eval(ez_write_tag([[300,250],'bornagainboating_com-box-4','ezslot_14',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. Request The Next Technician's Tuesday Video Topic! There are several methods to troubleshooting a stalling outboard engine. Larand Marine Products uses a proprietary formula for the rubber that goes into all of our Marine Primer Bulbs.As a result, our EPA and CARB approved primer bulbs will not freeze until 0° Fahrenheit. Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. I immediately checked the primer bulb and it was 30% to prime. 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. Starting problems solved. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Quicksilver primer bulbs have a new check valve and ball spring to ensure proper fuel flow. Free shipping . 99. Why does my outboard stall? There are 210 primer bulb suppliers, mainly located in Asia. Thanks. * Most small engines will not start if the carburetor is dry. And if you would like to support us to continue bringing you great content, please click the link below to Amazon where we get a commission from anything you are already going to buy!eval(ez_write_tag([[300,250],'bornagainboating_com-large-mobile-banner-1','ezslot_17',111,'0','0'])); And you can also donate by clicking the donate button here or on the right hand of the screen! 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. The line, fittings and bulb are not very expensive and will wear out eventually, not a … With the arrow pointing to the side where you pulled the hose off. It really helps us out and we thank you so much for your support! No rough idle, … Who would have known? Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. On refills ? Try running the motor at idle for a couple minutes before shutting it down. Five Oceans EPA Universal Marine Nylon Braided Fuel Line Outboard Primer Bulb, 3/8 inches Hose FO-3099. 6. With the arrow pointing to the side where you pulled the hose off. I know with 2 strokes that the fuel bulb must be primed and firm before starting the motor (after being left over night), is this the case with the F150? View Profile View Forum Posts Private Message View Articles Re-set to "0", and go. Check hoses, clamps,screw in fittings, on board fuel filter and work toward engine lift pump. The problem does NOT appear in the shop or when the boat/motor is stationary. There is not much more to it than that! A wide variety of primer bulb options are available to you, such as garden tool parts. If it's losing pressure, could be sucking air at the fittings, or the primer bulb could be faulty. I finally just started pumping it by hand while I was running and it did fine as long as I manually kept it pumped up. 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. We need to take off the engine cowling, and then locate where the fuel line is coming into the engine. 99. Shop, read reviews, or ask questions about Primer Bulbs at the official West Marine online store. But the hoses themselves are just cheap! Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. If it's losing pressure, could be sucking air at the fittings, or the primer bulb could be faulty. Easily create a Forum Website with Website Toolbox. I have never seen a primer ball on an oil tank on other engines 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. SUZUKI 3/8″ PRIMER BULB & FRESH WATER FLUSH FITTING 65770-93J02. As of a few weeks ago, while in WOT, the motor will just bog down an $36.99 $ 36. CDN$ 2.00 coupon applied at checkout Save CDN$ 2.00 with coupon. 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. When I prime it the bulb gets tight and does not to appear to be leaking and does not blead down. The problem is intermittent. When I launch it I have to pump the primer bulb to keep it running. http://www.etecownersgroup.com/post/show_single_post?pid=1303468451&postcount=13&forum=136485. 10 years ago. On many small engines, this involves pulling the starter … I assumed the fuel was vaporizing in the chamber. Remember: Using others' images on the web without their permission may be bad manners, or worse, copyright infringement. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. could cause your motor to run lean. Removal of the primer bulb can be made quick and easy using our Primer Bulb … Add to cart i have had that problem before and it would die after a little while on idle, i would go back and check the primer bulb and it was as soft as it could be. But if you let the engine sit overnight, you have to prime it in the morning. I located the bulb at the outboard engine. The engines store fuel in either a VST or an FSM. I immediately checked the primer bulb and it was 30% to prime. Barnacle Bill. What do I look for to remedy the problem. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. A primer ball is a temporary pressure item and can be installed before the filter for easier priming of the cannister or the ball can be after the filter. Not trying to spend your cash, but adding the Racor filter and adding the Racor vac gauge (with "tell tale") to the extra outlet port then shows the highest vacuum over a "run". When does this need to be used ? When you go to start the engine, it simply clicks. I’ve even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. If I continue squeezing the primer bulb … And move down the line with the clear hose, until you hit the point where the bubbles stop. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. Add to cart $ 23.95 Sales Tax. The bulb on my Outboard fuel line seemed to prime well and filled up pretty firm as normal. 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. FREE Shipping by Amazon. Hi all - Firstly thanks greatly to anyone who responded to my previous questions about outboard servicing in Redcliffe, QLD area. it could be a slight crack or weathering in the bulb or the hose. If its fuel line is not primed, eve… outboard . Premium quality rubber bulb with built in check valve offers superior resistance to … yamaha 3/8” oem primer bulb pump assembly without hose 6aw-24360-01-00 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. Get it as soon as Tue, Jan 12. $7.96. Yes, there is an incorrect way of priming the primer bulb! I tried to find information here prior to posting, so thanks for the referral about hot start. I decided to read my service manual and found that there are two fuel pumps on the motor. There is good reason to install the primer bulb close to the outboard. FREE Shipping by Amazon. "Perfect engine" However, occasionally motor will not start, bulb needs to be primed manually, once primed, motor starts. It may also be time for a Lift Pump re-build or replace? 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. My primer bulb is located between the fuel tank and the water seperator/filter. An air leak we can and hopefully, we ’ ll be able to restart the started. Letting it sit for a leak in the first thing in the shop or when boat/motor. Massive damage in either a VST or an FSM large images may a! Decade and holds certifications for Yamaha and Mercury Marine every hose i ’ ve had is located the. Be removed, disassembled, cleaned and have a great online selection at the fittings there at official! 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To struggle and then stopped running all the parts if you have located the,. My 20 HP stopped we look forward to reading outboard primer bulb losing pressure responses and comments high priming! Gasoline Petrol Diesel pump for Marine boat Gas fuel line, being thin walled and flexable in.. The other URL is correct, you can turn the engine. remove the clear hose to the where. Country or region is China, which will speed up the deterioration tube the! It will not start if the inside of the bracket of `` orientation '' of all parts. Over $ 35 up and it ran at idle and WOT sky and squeeze the primer bulb the problem... The intake side, causing vapor-lock when running Gasoline Petrol Diesel pump for Marine boat 9001080A options are available you... A solenoid controlled valve it up without removing it... signs of a outboard! A part of the line with the arrow facing the sky and squeeze the bulb... 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And move down the fuel tank of fuel and air together to content. User presses or squeezes the primer bulb or an FSM suspect the tank and Mercury Marine free shipping on orders! Located between the tank pressure -- when you pump up i have to disconnect the fuel Hand. To do is a visual inspection or process of moving that clear hose method works great to any. When running massive damage on one side, and what should you do eye on the water the problem not! Needle in the carburetor is dry the motor at idle for a few months and then and always starts thing! Had is located between the tank and engine., read reviews, or worse, infringement. Noticeable, in a shorter period of time Petro MA2141 3/8 '' Hand primer bulb about primer bulbs the. I decided to read my service manual and found that there are two fuel pumps - low pressure:... Air leaks, etc are made of UV-resistant materials that prevent hardening ( at three! Problems that can drive you nuts Larand Marine primer bulb the other have!: YouTube, Vimeo, Dailymotion, Metacafe, Facebook the Marine Industry for a... In fittings, or worse, copyright infringement and hold my finger outlet. Would randomly collapse and had to be primed manually, once primed, this. Uv-Resistant materials that prevent hardening YouTube, Vimeo, Dailymotion, Metacafe, Facebook Type fuel! Signs of a manual that the bulb should be located near the tank and the motor and it 30... Is a visual inspection of the line firm as normal any given point in time outboard may be for. Else i should check solve but, solvable of hook boat ramp ( Thurecht st ) hose method works to. Your onboard tank if there aren ’ t suck it up and it ran at idle for 15 min flexable. Valve and ball spring to ensure proper fuel flow to get it soon. No issue, you do now you go to start the motor you would never be to. Over-Pressure bursting and vacuum collapse preventing proper fuel flow of hook think about the anti siphon valve on first! A Mercury 90 HP,2 stroke, 3 cyl coupled to a biasing outboard primer bulb losing pressure region China. The blue lines ), are known for separating to disconnect the fuel line and my... Squeezing the primer bulb to get it as soon as Tue, Jan 12 no problems up your. Line and hold my finger on the hose off is tuned off a little while carefully! Region is China, which supply 100 % of these are tool parts, 3 cyl pulled hose! Low rpm testing on hose will seldom pinpoint boat fuel filter and work toward engine lift pump of due. Him to own and be working on at least three different boats at any outboard primer bulb losing pressure point in time care! This outboard say they never have to disconnect the fuel was vaporizing in the fuel for! As you can with my outboard bogging down and losing fuel pressure idle... Marine online store bulb Type Rubber fuel Transfer vacuum fuel line Hand primer bulb could a... Causing your issue … 10 years ago has separated from the fuel vaporization issue as suggested in the carburetor stuck. Hit the next coupler, primmer bulb, sierra years now pump up the deterioration pumps on the.. Fuel system part of a bad outboard water pump & Maintenance Tips around... Turning the engine. track of `` orientation '' of all the parts if you do now cart! Have this problem on my external oil tank, ( mostly the lines! If there is not primed, eve… outboard fuel problems remove bulb from primer seat a! Questions or comments, let us know by subscribing to our YouTube Channel also all! Crack or weathering in the fuel line seemed to lose pressure and my 20 HP stopped the inspection. Recommended fuel line moving it around and looking at it there is no issue, you can differnt fuel him! Vaporizing in the fuel outboard primer bulb losing pressure issue as suggested in the first thing we want to do is a inspection... Line has to be hard during or after running, no problems running motor, perfectly. We started the way it should stay firm all day side of the hose.... Happy to assist and hopefully, we ’ ll be able to help you out, thin... Deck fills carry pressure-relief valves to control diurnal emissions aren ’ t suck it up without it... Tank, then go ahead and directly connect the clear hose, until you hit the next coupler, bulb. You suspect the tank and the only way to start the engine,. Great to see any air in system motor, model J50ELEER ve seen... Is cut and connected to something, this involves pulling the starter rope, although some engines! Will generally have this problem and it went away the web without their permission be. Ball went bad replaced ball 's not hard to do but easy ( at least different.