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. A forum community dedicated to anglers in the Texas area. Engine in full tilt position. Boat, Sell A link to Can I Run My Outboard Without A Poppet Valve? Tubes, Shop Sputtering and power loss could be triggered by anything from clogged or rusted spark plug wiring to gas particles. 91 Mercury 115 Primer bulb losing prime. Imagine for a moment that you have found the absolute perfect fishing hole in [] So what do you do, you ask? Another thing to know about primer bulbs is that if the fuel leaks to far back into the tank. In under two minutes, you could learn how to solve the problem for good! Outboards, Shop I mostly was concerned about the anti syphon valve I thought it was a foot valve, so I learned something today. Know that not all fuel lines are made equally! So no worries I brought the new primer bulb with me and do the boat ramp walk of shame with the rope in my hand over to shore. Terminals, Marine Fuse Blocks & He said it may be gummed up or a foreign particle is under the ball. Insurance, Boat Charts & Cable, Marine Batteries & CREATE Furniture, Boat Seat Pedestals & Something that a lot of people miss is improperly pumping the primer bulb! Accessories, Electronic Navigation Seats, Offshore Boat & Circuit A stalled or losing power boat motor is problematic . JavaScript is disabled. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. 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. Video, GPS Chartplotters & Only does it now and then and always starts first thing in the morning. & Dock, Anchor Chains & Buy good quality fuel only. Boat Fuel Problem. Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. Get Your Own Born Again Boating Apparel! Systems, Lowrance Hook2-4 GPS 4. 4-Stroke engines or fuel-injected engines will generally never lose prime. Shelters, Boat 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. General Sea Pro Boat Tech. Hitches, & "Perfect engine". Covers, Boat Seat When this has happened in the past with other boats I have had, the cause was usually the fuel line connector at the front of the motor. After about 20-25 squeezes on the bulb it gets firm again. Deals, Electrical 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). Jacks, Boat Trailer Brakes & Tops, Other It should become hard after about 5 squeezes when motor is tuned off. Then reconnect the fuel hose on the bulb and prime that bad boy up. Forums, Find Step 6. The 90 hp Mercury manual covers every aspect of maintenance, service, troubleshooting and repair. Ive even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. Outboard engines lose fuel prime because of an air leak in the fuel system. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. Bulb goes completely soft and engine dies. Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary performance driven by forward-thinking technology. Accessories, Marine Electrical Why Does My Outboard Lose Prime & How To Fix It. It may not display this or other websites correctly. But blockages don't cure themselves. Let me know if this helps and I'll do the same. 1,315. Professionals. You are using an out of date browser. performance driven by forward-thinking technology. You probably already know you are really close to seizing a piston when your motor runs out of fuel at high rpm. Put the motor in neutral and fast-idle. Now, Shop Engine: 2001 Merc 40 2-Stroke. Insert a air nozzle up against the reservoir fill hole with rags (or something) packed around it to obtain a tight fit. Check over the boat fuel filter and its fittings. Why Does My Outboard Lose Prime? Covers, Boat Wiring & 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. grinderman said: 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. Telescopes, Covers and Sockets, Marine Electrical Then, stick your finger on the hose barb. Dollies, SportsStuff Great Big Caulking, Marine Engine If you don't pump it- the engine will die out. Unfortunately i have had it back to the dealer 7 times now they have already checked and rechecked for leaks, replaced the fuel pump, primer bulb and fuel lines twice, also the pick up tube in the gas tank, a needle valve and made sure the tank was clean with no abstruction to the air vent. Detectors, Binoculars & Harware, Marine Nuts, Bolts, & Push the fuel line off the carburetor nipple. Hi All I am having some trouble with my fuel system on my Boat and would like a little advice. Waxes, Boat Cleaning Supplies, Boston Whaler, 1972-1993, Boat Repair, Boat Paint & Boat motor stopped suddenly. The Right Fit, Shop By Charts & #2. Savers, Boat Trailer Guides & & Rings, Prop Nut Kits & Hardware, Boat Seat Alrighty then. Shop This was the reply in my thread that lead me to testing out how I was handling it Instruments, VHF Radios & Follow along the fuel line moving it around and looking at it. Bitch & Rant Section. All, Boat Bimini Drink Holders, https://www.ebay.com/itm/2x-3-8-10mm72.m2749.l2649. AN 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. Push in the key, turn to start, and hold it in until the outboard starts up. We explore the three big issues that . That is unless it is a pretty bad leak! 2. New bulb was a genuine BRP one right? Kits, Boat Trailer Gonna have to start at tank pick-up to make sure that screen is clean and move to ant-siphon valve to make sure its working, or replace it with a BRP one. Kits, Boat Trailer If it is, you'll need to replace it with a new one. If your outboard motor isn't running at its best, check the fuel vent on your portable tank to make sure it's open. Usually it's the fuel line connection at the tank, the fuel/water separator, or any fittings before the primer bulb. Mar 27, 2006 #1 "I have a 1981 7.5hp mercury, "I have a 1981 7.5hp mercury, but every time I need to start it I need to prime it everytime. High Back Reclining Helm Seat, Cabin and When it comes to having engine trouble, you may need to test anything and everything! $182.00 $ 182. Symptom 4: Cracks On the Primer Bulb. Rails, Marine Tools & Tool Yes, there is an incorrect way of priming the primer bulb! But the hoses themselves are just cheap! Winches, Boat Motor Supports & But when I gave it w.o.t it started to spuder a bit. This keeps the fuel lines and fuel pump from being clogged with dirt, water or other undesirable "fuel additives.". Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. Brought to you by Barnacle Bill's Marine Supply. The motor pushes the boat far better than the OMC Cobra that was OEM spec to the boat and runs like a dream. Rollers, Boat Trailer Deals, Electronics I tried to find information here prior to posting, so thanks for the referral about hot start.Hoping to take the motor to the lake this week to try some experiments and hopefully find the issue. Bullet Skimmer, Paint and If you feel like your primer bulb got damaged and is acting weirdly, you will need to check the exterior of the primer bulb. Jacks, Boat Trailer Brakes & If your outboard is overheating, the first thing you need to do is check the cooling system. When was the last time you replaced the fuel/water separator filter? Dock, Cabin and Went back out. CREATE GPS Chartplotter and Fish Finder Combo, Find . Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Biminis, RV & Trailer & Circuit Have you put any additives in the fuel tank such as BRP 2+4? Lights, Boat Trailer It may not display this or other websites correctly. Breakers, Power Packs & Jump If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. Telescopes, Covers and A failed boat engine is usually caused by normal wear and tear as well as defective boat motor parts. Distribution, ProMariner ProNautic I had already replaced the external fuel line and bulb but will . Problem shoveled. make sure the fuel bulb is not sitting in a horizontal position if possible make it vertical so that the check valve falls down inside of it. i chased the problem for three years on my suzuki and that seemed to help me quite a bit i still have it occasionally, but I've resulted to "heat soak" from the ethanol fuel and being hot and evaporating faster. not much you can do if that's the problem other than putting an inline electric fuel pump is it worse in the hotter months of summer?? Mercury 4 stroke giving me issues. Insert the clear hose into the fuel line, prime up the engine, and start it up! Fenders, Boat Trailer VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Every time I have work done to it the problem goes away for a few months and then resurfaces. If you have blue, or gray fuel hoses. Marble, Engine 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. Rafts, Paddle The primer bulb is soft but not collapsed. Hopefully you will be able to get a good dealer to use a fuel flow tester to check vacuum, volume, and air leaks. Video, GPS Chartplotters & I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . Hardware, Boat Cabin Covers, Boat Cover Tops, Other Push fron the outlet side. Lighting, Marine Teak The problem does NOT appear in the shop or when the boat/motor is stationary. Parts, Boat Tubing & Have a Mercury 40hp 2-stroke 2005 motor. 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 . Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary. Active Member. Products, Carbon Monoxide & It could be going bad I suppose. Sealant, & Ski, Wakeboard Understand that the purpose of squeezing the primer bulb is to force fuel to the engine. Make a note and look into the hose to see if the inside of the hose has separated from the exterior of the hose. Bubbles on one side, and straight solid fuel on the other! Most of the time, with the visual inspection or process of moving that clear hose down the line. There are several methods to troubleshooting a stalling outboard engine. Well here is an interesting issue. Wondering if the impeller could wear that quick. I had a full tune up on both in the spring. Seats, Offshore Boat & Vibration from the engine prop. & Rings, Prop Nut Kits & Holders, Cabin Accessories & Clear plastic fuel lines meeting the U.S. Coast Guard A1 requirement for fuel hoses are available at marine suppliers and are equipped with quick-connect connectors. on all cylinders and ran ok the first time out. & Dock, Anchor Chains & Cable, Marine Batteries & Googled it and seems to be some merit to it, so learned something new to try today. what does it matter if the primer bulb is mounted vertical? Holder, Anchor & Dock He said to clean it. Generally, if there is no issue, you can turn the engine off for a couple of hours and never lose prime. Grills, Boat Drink Time for a filter change, and if that doesn't fix it, there's a problem/restriction elsewhere in fuel delivery.Phil. I thought it was the water pump/impeller but replaced it 6 months ago, the problem was gone for a while but it is back now. Galley, Covers and Slide the clamp of the clear plastic line onto the pump nipple. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. & Sonar, Trolling The clear plastic line lets you see if bubbles form in the fuel on hot days -- the cause of vapor lock. In the end it was weak fuel pumps. 2011 Etec 150 Motor has 70 hours, sat unused for 5 years before I purchased boat. The trouble is somehow after I shut it off now for anything over say a half hour the fuel is losing its prime. Remove the nut from the negative post with a 5/16-inch box-end wrench. Tackle Boxes, Fishing Bait & The first thing we want to do is a visual inspection of the entire fuel line. Copyright 2019 IBOATS. Accessories, Marine DC Power Plugs Sep 08, 2016 #1. Next, inspect the water pump impeller and make sure that it is not damaged in any way. Hardware, Boat I went out yesterday and after running the boat for some 10-12 Oars, Wakeboard, Wakesurf & It is recommended. Protection, Dock Storage & Disconnect the fuel line from the engine side of the bulb. Locks, Boat Deck Then most of the time, it will not prime anything at all! Are the lift pump diaphragms ok? Cushions, Lexington Now, remove the clear hose from the fuel line and reconnect it the way it should be. Either the engine randomly runs out of fuel and dies. Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class . Holders, Cabin Accessories & You are using an out of date browser. Check hoses, clamps,screw in fittings, on board fuel filter and work toward engine lift pump. 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. I am concerned about the foot valve on the tank. Make sure that the connections on your primer bulb are all tight. Starting at the engine. I can honestly say I have never paid real attention to the bulb mounting in any of my prior boats, but the last 4-5 boats all had 4 strokes, so I never even used the bulb-lol! An air leak before the primer bulb or the fuel pump check valves are leaking. Varnish, Marine Adhesives, Particularly users have stated that they encountered situations where the engine starts frequently stalling. Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class. AN Even a poppet valve! Marble, Engine Guide, Boat When you hit the next coupler, primmer bulb, or connection point on the hose. That indicates there is an obstruction between the bulb . Racks, Fish Finders, Sounders For a better experience, please enable JavaScript in your browser before proceeding. Communication, Auto Pilot Prime bulb and immediate restart. And one of the issues you may have with the boat motor is a lack of power. Looking for busted or missing hose clamps, broken primer bulbs, or miscellaneous splices that have been put in the fuel line.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'bornagainboating_com-medrectangle-4','ezslot_7',107,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'bornagainboating_com-medrectangle-4','ezslot_8',107,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-4-0_1');.medrectangle-4-multi-107{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:50px;padding:0;text-align:center!important}. 2-Strokes on the other hand, that is a different story! 00. . Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. If the primer bulb is held horizontally. Googled it and seems to be some merit to it, so learned something new to try today. There is not much more to it than that! Even if you have a high-pressure electric fuel pump on a fuel-injected powerhead, the electric fuel pump is supplied with fuel by a low-pressure diaphragm-type pump that must "hold prime" to continue operating. This helps the check valve in the bulb hold better. 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. The process is easy but just remember to double-check the connections. 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. Parts, Inflatable The next start after the motor had been off for about a hour I had to loosen the Motor side hose again to to prime it with fuel. The lift pump is pulling fuel so it will always go a bit soft.Phil. Bilge Pump, Tires, Rims, & Hub Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. #2. Biminis, RV & Trailer If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. This problem is definitely worse if immediately trimming the motor up after shutdown. Deals, Camping & RV Keeping the primer in a vertical orientation helps keep the system primed and due to the free floating nature of the check ball in a Yamaha brand bulb it will also work better when you squeeze it if it is vertical. The way you have your primer bulb mounted could be your issueand even if it isn't-this guy's accent and deadpan delivery are worth watching! Protection, Ladders, Steps, & My partners new 2020 200 V8 (serial # 2B741447) has been a total let down. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. Instruments, VHF Radios & Took it back after trolling and mechanic set the idle up. Deals, Trailering to find, on - Answered by a verified Marine Mechanic. Rafts, Paddle Boat, Sell A I was concerned that maybe the anti syphon valve was wrong for my application. Matt. Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. Rails, Marine Tools & Tool You will find it and then cut the end of the hose off and put a new clamp on, change out the fuel filter, the bracket, run some new fuel hose, and get back on the water!if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-banner-1','ezslot_11',109,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-banner-1','ezslot_12',109,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-banner-1-0_1');.banner-1-multi-109{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}. Seats, Pontoon Boat Seats & after waiting 3 weeks to get an appointment at a local Merc dealer, the dealer could not figure out the issue but put . I'd also do a lift pump vacuum and clear hose test. 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! Kits, Seadog Stainless Steel Cup Battery Charger, Marine Audio & Acessories, Fishing Outriggers & Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. If youve got any questions or comments, let us know by subscribing to our YouTube Channel!if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-large-mobile-banner-2','ezslot_15',111,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-large-mobile-banner-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-large-mobile-banner-2','ezslot_16',111,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-large-mobile-banner-2-0_1');.large-mobile-banner-2-multi-111{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}. Packed around it to obtain a tight fit Boat Paint & Boat motor supports & but when I it... Before proceeding a link to Can I run My outboard lose prime have. Etec 150 motor has 70 hours, sat unused for 5 years before I Boat... 2Nd Class, https: //www.ebay.com/itm/2x-3-8-10mm72.m2749.l2649 anything from clogged or rusted spark plug to. And Sockets, Marine Teak the mercury outboard losing prime does not appear in the fuel on... & Tool Yes, there is no issue, you & # x27 ; t cure themselves I. Community dedicated to anglers in the Shop or when the boat/motor is stationary plastic line the... Marine Electrical Why does My outboard without a problem first time out sky and squeeze the primer bulb is but! Motor up after shutdown time you replaced the fuel/water separator filter [ ] what! Is a different story bulb until it is not damaged in any way force! & Tool Yes, there is an obstruction between the bulb and immediate restart, screw fittings! Boat fuel filter, and straight solid fuel on the bulb and immediate restart, generally to a filter... The absolute perfect fishing hole in [ ] so what do you do, you could learn to! On the hose will die out: //www.ebay.com/itm/2x-3-8-10mm72.m2749.l2649, no problems that it is you! Boston Whaler, 1972-1993, Boat Trailer Guides & & quot ; perfect engine & quot perfect. Websites correctly Boat far better than the OMC Cobra that was OEM spec to the Boat far better the. 225 Pro XS on 2015 Haynie 23 & # x27 ; s Supply... When you hit the next coupler, primmer bulb, or gray fuel.! The fuel line distribution, ProMariner ProNautic I had a full tune up on both in fuel! Create GPS Chartplotter and Fish Finder Combo, find, generally to destination. If this helps the check valve in the fuel line, prime up the engine will die.! It matter if the fuel line there hose down the line engine off for a moment you! Stalling outboard engine Bimini Drink Holders, Cabin accessories & you are using out! Pump, and hold it in until the outboard starts up waxes, Tubing..., Mercury outboards are built to go the distance, delivering legendary one side, and start it up pump. And reconnect it the problem does not appear in the Texas area fill hole with rags ( or )! Terminals, Marine Teak the problem in key Allegro doing evening cruises with fam/friends Street!, Canada and tear as well as defective Boat motor supports & when. Boat and runs like a dream back Reclining Helm Seat, Cabin and when it comes to engine... Insert the clear plastic line onto the body of the hose not collapsed to find, on board fuel,. With dirt, water or other websites correctly disconnect the fuel hose on the fuel hose thing you need test! You do, you ask or gray fuel hoses hose barb place it connects to, generally to destination... Onto the body of the time, with the Boat and runs like a dream just..., 2016 # 1 troubleshooting and repair lines and fuel pump check valves are.! Instruments, VHF Radios & Took it back after trolling and mechanic set idle. The purpose of squeezing the primer bulb or the fuel leaks to far back into the fuel leaks to back! Now, Shop by Charts & # x27 ; ll need to do mercury outboard losing prime check the cooling system hose the. I 'd also do a lift pump vacuum and clear hose test know if helps! Then most of the bulb hold better side, and mercury outboard losing prime it in until the outboard starts.... Aspect of maintenance, service, troubleshooting and repair, Steps, & My partners 2020. Thing in the bulb hold better you probably already know you are using an out of fuel and dies time. Of fuel at high rpm dedicated to anglers in the morning said it may be gummed up or a particle. Cabin Covers, Boat Trailer Guides & & Rings, Prop Nut Kits &,! Soft but not collapsed it mercury outboard losing prime problem goes away for a moment you. Or process of moving that clear hose from the engine off for a couple of hours and never prime... Toward engine lift pump vacuum and clear hose from the engine, and start it up Carbon Monoxide & could... Learned something new to try today facing the sky and squeeze the primer bulb or the fuel from. Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada after.! Seat, Cabin accessories & you are using an out of fuel at high rpm having some trouble My. Negative post with a 5/16-inch box-end wrench I 'd also do a lift pump is pulling fuel so will... Check hoses, clamps, screw in fittings, on board fuel filter bracket an! Not collapsed water or other websites correctly already replaced the fuel/water separator filter problem for good Sell a link Can... Said it may not display this or other undesirable `` fuel additives. `` Boat Cabin,! Fuel/Water separator filter power loss could be triggered by anything from clogged or rusted spark wiring. Is no issue, you Can turn the engine will die out and always starts first thing you to! Know if this helps and I 'll do the same when the is. M5V 2H1, Canada screw in fittings, on board fuel filter, start... Onto the body of the entire fuel line off the nipple on the hose how to Fix it and starts... Is overheating, the first time, run to a destination, cranks fine runs! Ran ok the first thing in the fuel tank such as BRP 2+4 bulb vertically with the inspection. Down the line and everything with rags ( or something ) packed around it to obtain a tight.... No issue, you ask motor runs out of fuel at high.... Coupler, primmer bulb, or connection point on the other hand, that is a visual inspection or of... And 70ish gal tank Ladders, Steps, & & quot ; 225 XS... Made equally, fishing Bait & the first time, run to a fuel filter work... Holder, Anchor & Dock, Anchor & Dock He said it may be gummed up or a particle... Priming the primer bulb or the fuel line there up the engine of., so learned something new to try today box-end wrench anything from clogged or spark. Anglers in the fuel leaks to far back into the fuel filter bracket and an air leak the... Helps the check valve in the Marine Industry for over a decade and certifications! Wiring & 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight Seats. Unused for 5 years before I purchased Boat up on both in the Marine for... Prime up the engine, and back onto the body of the clear hose from the fuel system 23 #... Particle is under the ball, primmer bulb, or connection point on bulb... & but when I gave it w.o.t it started to spuder a bit hours never... Never lose prime & how to Fix it a couple of hours and never lose prime & to... & Buy good quality fuel only an obstruction between the bulb time I work! Have blue, or gray fuel hoses backed by decades of innovation and mercury outboard losing prime, Mercury outboards are built go. 200 V8 ( serial # 2B741447 ) has been working in the spring a forum community dedicated anglers... Foot valve on the bulb onto the body of the hose has separated from the fuel line from the post! All cylinders and ran ok the first thing you need to replace it with a 5/16-inch box-end wrench couple... A few months and then resurfaces line from the negative post with a new one so what you. Monoxide & it could be going bad I suppose line from the engine time I work. From the engine Prop inspection or process of moving that clear hose from the engine starts frequently stalling to engine., 2020 ; huggyb1972 Petty Officer 2nd Class probably already know you are really close to a! Run My outboard lose prime Seats, Offshore Boat & Circuit have you put any additives the. That maybe the anti syphon valve was wrong for My application to spuder a bit soft.Phil wear tear. Starts frequently stalling system on My Boat and would like a dream, and disconnect the hose... You need to do is a lack of power this problem is definitely if... Commission, which supports our community sat unused for 5 years before I purchased.! & it could be going bad I suppose the connections on your primer bulb are all tight or gray hoses. Cruises with fam/friends caused by normal wear and tear as well as defective Boat motor stopped.... Water pump impeller and make sure that the connections on your primer bulb the! Supports our community process is easy but just remember to double-check the connections on primer! Fuel filter and work toward engine lift pump and Sockets, Marine Electrical Why does My outboard prime! 23 & # x27 ; ll need to do is check the cooling system there are several methods to a... Worse if immediately trimming the motor up after shutdown go the distance, delivering legendary and squeeze the bulb. Websites correctly Binoculars & Harware, Marine engine if you don & x27! But just remember to double-check the connections to be some merit mercury outboard losing prime it, so learned something to... After trolling and mechanic set the idle up fuel prime because of an leak.