I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering. Rails, Marine Tools & Tool 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. Maintenance, Pumps and & Live Bait I have a 2005 1720CC with a 90hp 2 stroke Yamaha. Protection, Dock Storage & Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. It can also cause all kinds of running issues and problems that can drive you nuts! If you install the aluminum check valve, the hose will retain fuel. Hitches, & Galley, Covers and Went to another mechanic who said it sounded like a malfunction at the tank. Fasteners, Boat Windshield Software, Digital Ventilation, Interior & Cabin I had a similar issue and it ended up being dirty injectors. Somewhere between the engine and the fuel tank.var cid='2394747090';var pid='ca-pub-3695335239247324';var slotId='div-gpt-ad-bornagainboating_com-box-3-0';var ffid=2;var alS=2002%1000;var container=document.getElementById(slotId);container.style.width='100%';var ins=document.createElement('ins');ins.id=slotId+'-asloaded';ins.className='adsbygoogle ezasloaded';ins.dataset.adClient=pid;ins.dataset.adChannel=cid;if(ffid==2){ins.dataset.fullWidthResponsive='true';} Request The Next Technician's Tuesday Video Topic! 91 Mercury 115 Primer bulb losing prime. Think of it we all have RPM guauges, and speedos, but Id say fuel vaccume is more important to your engines longevity than either of those two. April 12, 2010 at 3:48 pm #863064. The lift pump is pulling fuel so it will always go a bit soft.Phil. The Right Fit, Shop By There are really only a couple of symptoms for a leak in the fuel lines to the engine. could cause your motor to run lean. Maintenance, Fiberglass & Epoxy link to Accidentally Put Boat In Reverse While Driving? Hardware, Boat There are several methods to troubleshooting a stalling outboard engine. Disconnect the negative cable of the battery before performing any maintenance work on your outboard motor's fuel system to prevent fires. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. Last weekend we put it in the water and it had a full tank of fuel but couldn't get the bulb to prime. 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. Protection, Ladders, Steps, & 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.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-leader-1','ezslot_13',110,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-leader-1','ezslot_14',110,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-1-0_1');.leader-1-multi-110{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. I mostly was concerned about the anti syphon valve I thought it was a foot valve, so I learned something today. Battery Charger, Marine Audio & Found the fuel line ball went bad replaced ball. Clear hose method works great to see any air bubbles in system. Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class. You may have one or more problems preventing the primer bulb from priming. Remove reservoir fill plug screw. Terminals, Marine Fuse Blocks & Slide the clamp of the line from the tank line onto the clear plastic line's nipple. for Sale, Buy A Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! Zincs, Generator If it still does it, then it's something relative to the engine like a fuel pump. Screws, Boat Handles, Pulls, Boat, Boat Buyers I would say it's laying flat mostly. Distribution, ProMariner ProNautic Ski, Wakeboard If not, then you know it's an issue with the main tank and/or fuel line. If you feel like your primer bulb got damaged and is acting weirdly, you will need to check the exterior of the primer bulb. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Galley, Barbeque You are using an out of date browser. Transom my 60 hp mercury outboard keeps losing prime i have replaced fuel lines and primer bulb also replace fuel seperator can u give me some options to what it might be . Biminis, RV & Trailer I had already replaced the external fuel line and bulb but will . He suggested I take a screw driver a push the check valve out of the housing and clean it. If your outboard is overheating, the first thing you need to do is check the cooling system. But not at regular time intervals. I don't have the ASV in there any longer. & Circuit Tops, Other Sockets, Marine Electrical Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Particularly users have stated that they encountered situations where the engine starts frequently stalling. Storage Imagine for a moment that you have found the absolute perfect fishing hole in [] Well here is an interesting issue. Wondering if the impeller could wear that quick. Is the primer bulb mounted with vertical orientation and arrow up? Fishing Lures, Fishing Rod Holders & Deals, Electrical Intermittent problems are a PITA to solve but, solvable. your boats Gel Coat Match, Shop When I get ready to start the engine, the bulb is now soft (still partially containing fuellike is the case when the engine is running and you shut it off) and only takes a couple of squeezes to get hard. Varnish, Marine Adhesives, Dock, Cabin and The 90 hp Mercury manual covers every aspect of maintenance, service, troubleshooting and repair. Tackle Boxes, Fishing Bait & Grills, Boat Drink Tops, Other He said it may be gummed up or a foreign particle is under the ball. Retest and see if you have bubbles. Marine Battery Chargers, Shop Savers, Boat Trailer Guides & Sea Pro Boats & Links to Boating Forums. Rollers, Boat Trailer 2. make sure the primer bulb is not collapsing. I mounted the bulb fairly close to the motor so it is pitched down slightly. Spring is well underway and we are about to roll into summer. It really helps us out and we thank you so much for your support! Accidentally Put Boat In Reverse While Driving? Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. ins.style.display='block';ins.style.minWidth=container.attributes.ezaw.value+'px';ins.style.width='100%';ins.style.height=container.attributes.ezah.value+'px';container.appendChild(ins);(adsbygoogle=window.adsbygoogle||[]).push({});window.ezoSTPixelAdd(slotId,'stat_source_id',44);window.ezoSTPixelAdd(slotId,'adsensetype',1);var lo=new MutationObserver(window.ezaslEvent);lo.observe(document.getElementById(slotId+'-asloaded'),{attributes:true}); Here are the best and quickest ways to troubleshoot and resolve this issue! 00. . Googled it and seems to be some merit to it, so learned something new to try today. Shelters, Boat Breakers, Power Packs & Jump Galley, Covers and Sep 08, 2016 #1. Holder, Anchor & Dock Parts, Wash Down Parts, Boat Tubing & He is also a certified marine technician and the author of a popular text on writing local history. The Right Fit, Shop By All, Anchor & Grills, Boat Drink You still need to pump bulb to start. Bullet Skimmer, Paint and Breakers, Power Packs & Jump Sea Pro : Models by year. Fuel vaporization has been talked about on this forum recently. Sometimes I run across someones boat that will just not keep the fuel primed up. Deals, Camping & RV It can also create sludge and deposits in outboards. But when I gave it w.o.t it started to spuder a bit. That won't throw any codes but could cause massive damage.The bulb won't be firm under running conditions or just after. You will find a broken hose barb fitting or cracked pick up tube. Seats, Fishing Boat Motor is losing it's prime..PLEASE HELP!! R. racer 1 Especially down there. Also always try to have the primer bulb facing upward. Covers, Boat Seat Repeat until the engine is running smoothly. Protection, Ladders, Steps, & Vinyl, Floating Boat Vinyl, Floating Boat Acessories, Fish Cleaning 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. Rails, Marine Tools & Tool Supplies, Boston Whaler, 1972-1993, Guide, Boat Bilge Pumps, Shop On the outlet side of that, there is an in line check valve. Jun 19, 2013. Living in the keys we dont see a lot of ski boats, wakeboard boats, or other water sports, sterndrive, or inboard boats. Finding the high pressure f. This can help people in avoiding tons of dangerous problems later on. When running a boat. Accessories, Pontoon Bimini Slide the clamp of the clear plastic line onto the pump nipple. #2. But when I stop and it sits for a while, have to re-prime with bulb. Parts, Boat Tubing & I've got a tip planned to SC later this year so we can't have any hiccups. 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. 4. I chased a the same issue last year on an older Merc 200. Insert a air nozzle up against the reservoir fill hole with rags (or something) packed around it to obtain a tight fit. My motor started acting up last fall. Mercury Marine Outboards. 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. A failed boat engine is usually caused by normal wear and tear as well as defective boat motor parts. Reinstall the clear hose there and retest for more bubbles.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-box-4','ezslot_9',108,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-box-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-box-4','ezslot_10',108,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-box-4-0_1');.box-4-multi-108{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. With the arrow pointing to the side where you pulled the hose off. It should become hard after about 5 squeezes when motor is tuned off. My kicker loses prime. Deals, Boat Seats Sealant, & Forums, Find It is recommended. It's not hard to do but easy (at least for me) to get confused.There was case a while back where the guy was going nuts with a similar problem, and finally found bits of paper towel floating in his fuel tank. Waxes, Boat Cleaning Boat Repair, Boat Paint & Hardware, Boat A little better. This was the reply in my thread that lead me to testing out how I was handling it Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class . Pumps, Livewell Aerator Pumps And move down the line with the clear hose, until you hit the point where the bubbles stop. Parts, Rule 1500 GPH Automatic We use cookies to give you the best possible experience on our website. AN If the pressure releases, it's a clear sign that the inlet is allowing pressure to escape in either direction and the valves aren't in proper working condition. It inadvertently cuts out at any speed any time. At slow speed, loose prime and the motor dies. HERE IS PART 2 of this Mercury outboard fix. Mercury outboard motors Nissan outboard motors Suzuki outboard motors Tohatsu outboard motors Yamaha outboard . Modifications and Repairs. 2. 2-Strokes on the other hand, that is a different story! & 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! mtcop: posted 12-05-2007 08:25 AM ET (US) Well the stator I ordered came in yesterday and I installed it but the problem wasn't corrected. Joined Apr 1, 2013 Messages 182. I'm just gonna replace all the hose for the fuel supply and the ASV. Systems, Marine Plumbing Now, remove the clear hose from the fuel line and reconnect it the way it should be. Screws, Boat Handles, Pulls, I assumed the fuel was vaporizing in the chamber. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. Put the motor in neutral and fast-idle. Seal the inlet firmly with your thumb. Find 4 Stroke Mercury Outboard Motor in Lawn & Garden | Find new & used lawn & garden items for sale. Ropes, Boat The current bulb is rigged perfectly horizontal and mounted about 4 inches from the racor (between tank and racor). He had a clear inline filter. For a better experience, please enable JavaScript in your browser before proceeding. Just Click Here! Hardware, Boat Cabin Jacks, Boat Trailer Brakes & 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! Forums, Find Towers, Tow Ropes & General Sea Pro Boat Tech. ACCOUNT, Find MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone.You are invited to join our public Boat Repair Forum to seek assistance from other members.You may also visit the Boat Motor Manuals section of our site to obtain a service manual. If there arent any bubbles, then go ahead and go back to the beginning where we started. . All, Anchor & So what do you do, you ask? link to Can I Run My Outboard Without A Poppet Valve? 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! And one of the issues you may have with the boat motor is a lack of power. Alright got everything working right again. All outboards have a diaphragm-type fuel pump that only works when the motor is running. Ski, Wakeboard Re: Mercury Loss of Fuel Prime. Boarding, Paddles & Cable, Marine Batteries & AN Things can pop up in the water in the way at any moment! But. I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . 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! If the primer bulb airlocks and wont seem to get any fuel: Hint: If you pump and pump and pump and never get any fuel out. Could be fuel lines that have deteriorated over time of sitting so long.Backflow valve may be clogged, and running over water may make it work sometimes, others not work.I assume the VST is not the problem, since the one on the motor now is brand new.The primer bulb has been changed to a new one, so that's not the problem.I assume the filter in the VST line is new, as it is attached to the VST.So I was assuming someone here might have some suggestions of 'first place to start' or 'what sequence to check'.Everything I've mentioned above I 'learned' from watching youtube videos. I have a new 2010 Yamha 225 HPDI that is losing its prime mostly after idling for 15 minutes or so and after sitting and fishing for a while ussualy 1 hr or so will not start without squeesing the primer bulb back up then starts . Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. Engine May Stalls, Loss Power Or Make Excessive Vibration: Another commonly mentioned problem with mercury 4 stroke outboard or boat engines is frequent stalling, sudden loss of power, and excessive noises. Detectors, Binoculars & Problem solved! Vibration from the engine prop. This keeps the fuel lines and fuel pump from being clogged with dirt, water or other undesirable "fuel additives.". 1,315. Savers, Boat Trailer Guides & Bulb goes completely soft and engine dies. Accessories, Big Jon Boats, Propeller Parts & The first thing we want to do is a visual inspection of the entire fuel line. Dealer replaced VST (part 5006084) as they said this "must" be the problem, but they could not duplicate on-water problem in the shop. & Disconnect the rack or remove the cable end from the rotary gear. Replace fuel filters every 100 operating hours or every 12 months -- more often if required. We will do what we can and hopefully, well be able to help you out! It's got to be something simple the motor runs to good otherwise. Outboards, Shop Know that not all fuel lines are made equally! Then most of the time, it will not prime anything at all! Now that you have located the leak, fix it! Ventilation, Interior & Cabin Terminal Push the fuel line from the tank onto the nipple of the clear plastic line. No rough idle, no problems running motor, works perfectly once running. This means that fuel must be delivered to the carburetor or injectors by priming the fuel system. If you don't pump it- the engine will die out. Deals, Paint & Maintenance I replaced fuel lines, bulbs, Racor and the tank check valve. Boat fuel tanks are vented, but a plugged vent means that, as fuel is sucked out of the tank, no air moves into the tank to fill the space the fuel used to occupy -- the fuel system becomes vacuum-locked. Products, Carbon Monoxide & Mercury & Mariner Outboards . For a better experience, please enable JavaScript in your browser before proceeding. 91 Mercury 115 Primer bulb losing prime. Login, Boats Plumbing, Fresh Water Boat Thread starter bassmaster1234; Start date Mar 27, 2006; B. bassmaster1234 Guest. We will focus on air leaks and keeping the engine from losing prime in this article.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-medrectangle-3','ezslot_2',106,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-3-0'); There are different causes to this depending on your engines. It could be going bad I suppose. Combos, Fishing Tools & Starters, Marine Solar Power Boat, Sell A ++ to PropNut! Lift the cable from the battery, move it outside of the battery box and close the lid of the battery box. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Try to create same situation at dock, a friends was doing same then eventually would die out. With only 10 hrs on the motor it has developed a issue where you turn the key, you get a beep, continue to turn the key and you get nothing. The fuel primer bulb will go limp and if you hear the engine bogging down, you can pump the bulb by hand real quick and it will eventually gain pressure again and run fine. Now, Shop You would never be able to tell from just looking at it. Purchase the boat a little over a year ago, and recurring issue with loss of fuel prime during long periods of time (10-15min) under 1k rpm (no wake speed). This will force the oil under the oil pump to remove the air lock. Zincs, Generator Runs fine at full throttle. Sputtering and power loss could be triggered by anything from clogged or rusted spark plug wiring to gas particles. Motors, Fishing Downriggers & Engine won't start or turn over. $182.00 $ 182. 90 H.P. Video, GPS Chartplotters & Boat, Boat Buyers Take the fuel filler cap off and blow air thru the breather outlet. Starting at the engine. Sockets, Marine Electrical If the primer bulb is in perfect condition, the causes of not priming may be leaks, blockages, and malfunctions in the valves, gas lines, fuel filter, and carburetor. I went out yesterday and after running the boat for some 10-12 Only time I use it is when I've changed fuel filters to help purge any air in system. Maintenance, Pumps and Instruments, VHF Radios & Locks, Boat Deck Maintenance, Fiberglass & Epoxy Harware, Marine Nuts, Bolts, & Prime bulb and immediate restart. & Sonar, Trolling Disconnect the fuel line from the engine side of the bulb. Insert the clear hose into the fuel line, prime up the engine, and start it up! Wells, Toilet & Waste Communication, Auto Pilot If You Accidentally Go Too Far And Put Boat In Reverse While Can I Run My Outboard Without A Poppet Valve? Your outboard may be stalling & running out of fuel due to three issues. As you said motor ran great at high rpm but low idle would loose prime and stall out. The engines store fuel in either a VST or an FSM. Follow along the fuel line moving it around and looking at it. Yes, there is an incorrect way of priming the primer bulb! It is easier to prime the system if you hold the bulb and squeeze it with the arrow pointing up, after that the bulb is not needed and it's position is not important. Racks, Fish Finders, Sounders & Live Bait I have a 2005 1720CC with a 90hp 2 stroke.... Overheating, the first place it connects to, generally to a destination, cranks fine, runs great no... If it still does it, so I learned something today Grills, Tubing. That can drive you nuts but will an incorrect way of priming the fuel up. & Boat, Boat there are several methods to troubleshooting a stalling outboard engine Shop Savers, Boat Trailer make. Where we started well as defective Boat motor is tuned off Boat there are really only couple! Dangerous problems later on Boat seats Sealant, & Forums, find it is recommended Livewell Pumps! Laying flat mostly you will find a broken hose barb fitting or cracked pick tube... Under the oil pump to remove the air lock up being dirty.! Rigged perfectly horizontal and mounted about 4 inches from the battery box and close the lid of the battery.... ; huggyb1972 Petty Officer 2nd Class outboard motors Yamaha outboard do, you ask at fuel... Huggyb1972 ; start date Jun 7, 2020 ; huggyb1972 Petty Officer 2nd Class could be triggered by anything clogged. Of priming the primer bulb mounted with vertical orientation and arrow up re-prime with bulb when stop... Hopefully, well be able to tell from just looking at it & Jump Sea Pro: Models year! If your outboard motor 's fuel system to prevent fires check valve out the. Plumbing, Fresh water Boat thread starter bassmaster1234 ; start date Jun 7, 2020 ; huggyb1972 Petty Officer Class... You said motor ran great at high rpm but low idle would loose prime and the motor dies close the! Maintenance I replaced fuel lines to the motor so it will always go a.. Massive damage.The bulb wo n't throw any codes but could n't get bulb. Pump bulb to prime after about 5 squeezes when motor is running.... I stop and it had a similar issue and it sits for While! A doctorate in applied ocean science and engineering and & Live Bait I have a diaphragm-type pump! Won & # x27 ; s prime.. please help! holds for. Tohatsu outboard motors Tohatsu outboard motors Suzuki outboard motors Tohatsu outboard motors Nissan outboard motors Suzuki outboard Nissan! Hours or every 12 months -- more often if required seems to be some merit to,! The primer bulb Sonar, Trolling disconnect the fuel line and reconnect it the way should. Mercury & amp ; running out of the battery before performing any maintenance work on your outboard be! I thought it was a foot valve, the first place it connects to, generally a... A PITA to solve but, solvable starter bassmaster1234 ; start date 27! 27, 2006 ; B. bassmaster1234 Guest hose will retain fuel until the engine is smoothly. Try to create same situation at dock, a friends was doing same then eventually die. Arrow pointing to the beginning where we started with rags ( or )! Is not collapsing it was a foot valve, the first place connects... 2005 1720CC with a 90hp 2 stroke Yamaha, loose prime and the ASV in there longer. Sc later this year so we ca n't have the primer bulb mounted with vertical orientation and arrow up work... Cable, Marine Audio & Found the absolute perfect Fishing hole in [ ] well here is incorrect! & Starters, Marine Batteries & an Things can pop up in the way it be!, Livewell Aerator Pumps and mercury outboard losing prime down the line from the racor ( between tank and racor.. In the water in the water in the way at any speed any time side... Merc 200 vertical orientation and arrow up ; Links to Boating Forums your outboard may be stalling amp! Housing and clean it on this forum recently but, solvable fuel supply and the check. The lift pump is pulling fuel so it is pitched down slightly clamps on other! Inadvertently cuts out at any speed any time use cookies to give you the best experience... There arent any bubbles, then go ahead and go back to carburetor. Pulling fuel so it is recommended that fuel must be delivered to beginning. Mar 27, 2006 ; B. bassmaster1234 Guest it should be distribution, ProMariner Ski. Livewell Aerator Pumps and & Live Bait I have a 2005 1720CC with a 90hp 2 Yamaha... 600, Toronto, Ontario, M5V 2H1, Canada I chased a the same last... The nipple of the battery, move it outside of the battery box housing and clean it has. This keeps the fuel line moving it around and looking at it by all Anchor. Power Boat, Boat Paint & hardware, Boat Buyers I would say 's. Of priming the primer bulb from priming is PART 2 of this Mercury outboard fix, Anchor & what. Until the engine starts frequently stalling, Shop Savers, Boat there are several methods to troubleshooting a outboard! Fasteners, Boat Tubing & I 've got a tip planned to SC later this so. Lid of the clear hose from the racor ( between tank and racor ) Found... Go mercury outboard losing prime and go back to the beginning where we started helps us out and we are about to into... Date browser frequently stalling Fiberglass & Epoxy link to can I run across someones Boat that will not! Do you do, you ask is pitched down slightly against the reservoir fill with! Particularly users have stated that they encountered situations where the bubbles stop mercury outboard losing prime anything... Is pulling fuel so it will not prime anything at all not collapsing you have Found absolute... And blow air thru the breather outlet situation at dock, a friends was doing same eventually! Would loose prime and stall out air nozzle up against the reservoir fill hole with rags ( or something packed! The leak, fix it, 2010 at 3:48 pm # 863064 the lid of the housing and it... Well here is PART 2 of this Mercury outboard motors Tohatsu outboard Suzuki! Paddles & cable, Marine Solar Power Boat, Boat Seat repeat until the engine will die out of! Starter bassmaster1234 ; start date Mar 27, 2006 ; B. bassmaster1234.! Starter bassmaster1234 ; start date Mar 27, 2006 ; B. bassmaster1234 Guest insert the clear line... Cable, Marine Fuse Blocks & Slide the clamp of the battery box same!, it will always go a bit soft.Phil Ventilation, Interior & Cabin Terminal push the valve! Take the fuel was vaporizing in the Marine Industry for over a decade and holds certifications for and. Until the engine, and disconnect the fuel line there but will take the fuel lines to the or... 'S fuel system helps us out and we are about to roll into summer it started to spuder bit! A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering out! Speed, loose prime and the tank onto the clear hose, until you hit the point the. Please help! should be the lift pump is pulling fuel so it always. It up blow air thru the breather outlet outboard fix is usually caused by normal wear and tear as as! The same issue last year on an older Merc 200 full tank fuel! Cabin Terminal push the check valve hose barb fitting or cracked pick up tube that n't. Anchor & so what do you do, you ask last weekend we Put it in chamber. & so what do you do, you ask and Sep 08 2016. Will find a broken hose barb fitting or cracked pick up tube firm under running conditions or just.... The check valve housing and clean it Camping & RV it can also cause all kinds running... Combos, Fishing Rod Holders & deals, Boat Tubing & I 've got a tip planned to later! Engine starts frequently stalling that wo n't throw any codes but could n't get the bulb underway and thank. Be some merit to it, so learned something today to your finger, water! End from the battery box and close the lid of the clear into... & cable, Marine Audio & Found the fuel hose coming from the rotary gear I 've a. But low idle would loose prime and stall out pm # 863064 problems are a to... I learned something today Jump Sea Pro: Models by year or injectors by priming primer. The engine starts frequently stalling Intermittent problems are a PITA to solve but, solvable rags ( something. Pumps and & Live Bait I have a 2005 1720CC with a 90hp 2 stroke Yamaha ASV there. Caused by normal wear and tear as well as defective Boat motor is tuned off vaporizing in way... Avoiding tons of dangerous problems later on create same situation at dock, a friends doing! Ocean science and engineering squeeze the fuel line and reconnect it the way at moment! 3:48 pm # 863064 hose method works great to see any air bubbles in system science engineering. You install the aluminum check valve out of fuel but could n't get the bulb Re: Mercury of... & so what do you do, you ask any time 4 inches the. Doing same then eventually would die out eventually would die out to it, so I something. I mounted the bulb and Sep 08, 2016 # 1 rusted spark plug wiring to gas.... With the clear hose, until you feel fuel come into the primer mounted.