Accessories, Electronic Navigation Covers, Boat Cover If it is, you'll need to replace it with a new one. It inadvertently cuts out at any speed any time. Grills, Boat Drink Parts, Boat Tubing & Varnish, Marine Adhesives, 91 Mercury 115 Primer bulb losing prime. I don't have the ASV in there any longer. Maintenance, Fiberglass & Epoxy Marble, Engine Repeat until the engine is running smoothly. Boat, Sell A 5.0 out of 5 stars 5. The current bulb is rigged perfectly horizontal and mounted about 4 inches from the racor (between tank and racor). It is not uncommon for him to own and be working on at least three different boats at any given point in time! Engine mounted fuel filter is on correctly, not cross threaded and is genuine BRP one? Bullet Skimmer, Paint and Manufacturer, Boat Tables & All, Anchor & Now, Shop Let me know if this helps and I'll do the same. Smoke If you run your motor less than 100 hours in a season, replace the fuel filters as you prepare your boat for the boat- season. Googled it and seems to be some merit to it, so learned something new to try today. Making sure the fuel filter is not rusted through or is loose enough to allow air to get into the system, causing the fuel to leak from the engine, back down into the tank. Seats, Offshore Boat Thread starter bassmaster1234; Start date Mar 27, 2006; B. bassmaster1234 Guest. Breakers, Power Packs & Jump Make sure that the connections on your primer bulb are all tight. Bilge Pumps, Shop Primer bulb loses pressure intermittently. Bilge Pumps, Shop 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). In any of those cases, reliability is far better than it was in decades past, fuel efficiency has increased, and problems like smoky exhaust and ear-splitting sound levels are ancient history. The boat/motor sat unused for almost 5 years. That is, you don't have to keep an eye on the vac gauge needle. Your outboard may be stalling & running out of fuel due to three issues. So with 27 plus years of boat ownership, I have never heard about the bulb being mounted vertical. & We mainly focus on outboards and outboard boats. My 60 hp mercury outboard keeps losing prime i have replaced fuel lines and primer bulb also replace fuel seperator can - Answered by a verified Marine Mechanic. Protection, Ladders, Steps, & Parts, Sacrificial Anodes & Terminals, Marine Fuse Blocks & Check that air can flow freely thru the breather to the tank. In under two minutes, you could learn how to solve the problem for good! Handles, Life Jackets & When a fuel system is filled with bubbles, they bar the fuel from passing and the fuel pump loses prime. Boat Gel Coat - Spectrum Color, Pumps and Living in the keys we dont see a lot of ski boats, wakeboard boats, or other water sports, sterndrive, or inboard boats. Symptom 4: Cracks On the Primer Bulb. Trim is stuck on the engine. Vibration from the engine prop. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. on all cylinders and ran ok the first time out. Systems, Marine Plumbing Kits, Seadog Stainless Steel Cup If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. Know that not all fuel lines are made equally! Category, View Outboard engines lose fuel prime because of an air leak in the fuel system. Buy good quality fuel only. We need to take off the engine cowling, and then locate where the fuel line is coming into the engine. He said it may be gummed up or a foreign particle is under the ball. Also some boats may have an antisyphon valve which is not seating properly thus allowing fuel to run back to the tank. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. Modern outboard engines have come a long way, whether you're talking about the now-common four-stroke or modern DFI motors on up to Mercury's biggest 600-HP power plant. Outboards, Shop Login, Boats Holder, Anchor & Dock 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. Detectors, Binoculars & 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. 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! Detectors, Binoculars & Pumps, Marine Pump Replacement Rafts, Paddle Problem solved! 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. Diagnosing High-RPM Power Loss. Combos, Fishing Tools & Googled it and seems to be some merit to it, so learned something new to try today. Deals, Trailering Have not been able. http://www.etecownersgroup.com/post/show_single_post?pid=1303468451&postcount=13&forum=136485, http://www.etecownersgroup.com/post/show_single_post?pid=1303468451&postcount=13&forum=136485. If it still does it, then it's something relative to the engine like a fuel pump. 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. grinderman said: 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. On the outlet side of that, there is an in line check valve. Accessories, Pontoon Bimini All rights reserved. Release your thumb. Boat, Sell A 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! Screws, Boat Handles, Pulls, I've got a tip planned to SC later this year so we can't have any hiccups. Screws, Boat Handles, Pulls, Maintenance, Boat Cleaners & I reprime by squeezing the bulb which feels to be full of air. He is also a certified marine technician and the author of a popular text on writing local history. Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. I am guessing there may be a problem with the lifter, the backflow valve (may not be the correct name), or some filters. Dollies, SportsStuff Great Big Jacks, Boat Trailer Brakes & Disconnect the negative cable of the battery before performing any maintenance work on your outboard motor's fuel system to prevent fires. Bilge Pump, Tires, Rims, & Hub 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. High Back Reclining Helm Seat, Cabin and Trailer Winches, Shop A stalled or losing power boat motor is problematic . I'd also do a lift pump vacuum and clear hose test. Battery Charger, Marine Audio & After the work is complete, reconnect the negative battery cable. Copyright 2019 IBOATS. This year I grabbed a new primer bulb, But forgot it on out 1st cruise out which other than the 1st startup on the trailer it ran flawlessly. & Rings, Prop Nut Kits & Every time I have work done to it the problem goes away for a few months and then resurfaces. If not, then you know it's an issue with the main tank and/or fuel line. Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable Thanks, I'd start with the Lift Pump vacuum test. Covers, Other Software, Digital 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. 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. Accidentally Put Boat In Reverse While Driving? Wells, Toilet & Waste Come join the discussion about fishing guides, bait, safety, gear, tackle, tips, reviews, accessories, classifieds, and more! (856) 785 9455. That indicates there is an obstruction between the bulb . Just Click Here! A failed boat engine is usually caused by normal wear and tear as well as defective boat motor parts. Retest and see if you have bubbles. Maintenance, Pumps and 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. Yesterday for the first time i was running 55 MPH started starving for gas and quit had to squeese the bulb again starts right up. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Are the lift pump diaphragms ok? 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.Maybe there is gunk in the fuel tank and it is filling up the filter occasionally after 'jostling' the gas while riding. Thanks for the replies. Push in the key, turn to start, and hold it in until the outboard starts up. Service during regularly scheduled annual checkups or every 100 hours of operation is recommended for outboards in normal recreational usage, annually or 500 hours for fishing guides or multiple-trip-per-week recreational fishermen. Trailer Winches, Shop Thus, inspect the usual suspects sequentially, detect the causal issues, and opt for the appropriate . Starters, Marine Solar Power I have treated the gas with sea-foam, I mostly run super. Bitch & Rant Section. (What is an Outboard FSM or VST?). Biminis, View Switches, Shore Power & AC Deals, Electronics Outboard Motors. Deteriorating fuel lines, bulb, lift pump, air leaks, etc. 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. Is the primer bulb mounted with vertical orientation and arrow up? After about 20-25 squeezes on the bulb it gets firm again. Hardware, Boat Seat 2,769. Tops, Bimini Top Caulking, Marine Engine Accessories, Pontoon Bimini Deals, Electrical #2. Fenders, Boat Trailer And one of the issues you may have with the boat motor is a lack of power. The little football shaped thing was a loser..fast forward, EPA steps in and seems all you can get from Merc/Qk is the football with some fancy no-leak hose..as if fuel lines of the past leaked anyway.considering there wasn't any PSI to force leaking.know not of anything inside before or after, with either. Then reconnect the fuel hose on the bulb and prime that bad boy up. 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. My motor started acting up last fall. Start by checking the thermostat and see if it is stuck open. Went back out. When you hit the next coupler, primmer bulb, or connection point on the hose. Boarding, Paddles & Deals, Pumps & Plumbing Once the engine starts, fuel is sucked through the line so the bulb will get soft. Marine Battery Chargers, Shop Mercury 4 stroke giving me issues. Also, after re-priming, if running at slow speeds, looses prime. Sea Pro : Models by year. Drink Holders, http://forums.iboats.com/mercury-maing-comes-out-exhaust-610235.html#post4263229. Dock Talk. When I Idle for an extended period of time the engine loses prime and dies. 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 thenshows the highest vacuum over a "run". Trolling Motors, Shop Accessories, Big Jon Boat Repair, Boat Paint & VST pump inlet filter. The Right Fit, Shop By Accessories, PWC Parts & Alrighty then. Tubes, Shop General Discussion. Active Member. Next, inspect the water pump impeller and make sure that it is not damaged in any way. Outboards, Shop Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. 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. Step 6. Holders, Cabin Accessories & Platforms, Slide Well here is an interesting issue. & Live Bait Manufacturer, Boat Tables & Tops, Bimini Top "Perfect engine". Hardware, Boat Seats, Fishing Boat Ethanol is an alcohol and a solvent that doesn't react well with outboard engines due to the fact that there is more moisture allowed into an outboard. Run, stop, check the tell-tale to see the highest reading. 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. 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. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. This has almost eliminated the problem for me entirely. your boats Gel Coat Match, Shop Fuel Line Air Leak. I have not done this yet, too busy. Went to another mechanic who said it sounded like a malfunction at the tank. A little more info - the motor runs great at all RPMs-this is just an annoyance for those long canal cruises typical in Key Allegro or other canal communities. And you can also donate by clicking the donate button here or on the right hand of the screen! Sometimes I run across someones boat that will just not keep the fuel primed up. Parts, Rule 1500 GPH Automatic It can also cause all kinds of running issues and problems that can drive you nuts! Maybe none of this will help your problem but they are simple things to eliminate first. 90 H.P. Hitches, & Then, stick your finger on the hose barb. Motor has 70 hours, sat unused for 5 years before I purchased boat. In the end it was weak fuel pumps. Release the key. Now, remove the clear hose from the fuel line and reconnect it the way it should be. Pressurize the system with the primer bulb. 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. Zincs, Generator This video shows how to change the diaphragms and change the primer gas line. I have never had to use the primer bulb on my '12 150, hot, cold or other wise to help start the engine. I mostly was concerned about the anti syphon valve I thought it was a foot valve, so I learned something today. Primer bulb loses pressure intermittently. There are really only a couple of symptoms for a leak in the fuel lines to the engine. 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}. Biminis, Paint and Axles, Boat Trailer Tie Telescopes, Covers and It does not matter where it lays. Financing, Iboats link to Can I Run My Outboard Without A Poppet Valve? Sea Pro Boats & Links to Boating Forums. Check over the boat fuel filter and its fittings. You may have one or more problems preventing the primer bulb from priming. Welcome to my world. Wells, Toilet & Waste Shop Now, Shop Wondering if the impeller could wear that quick. Maintenance, Fiberglass & Epoxy Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. Biminis, Paint and Attach the pressure gauge hose to the outlet. Cable, Marine Batteries & Covers, Boat Cover Put the motor in neutral and fast-idle. Vinyl, Floating Boat Intermittent problems are a PITA to solve but, solvable. Rails, Marine Tools & Tool Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. Even a poppet valve! Dollies, SportsStuff Great Big But if you let the engine sit overnight, you have to prime it in the morning. Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! Obviously the problem is not the VST.What could be causing the loss of pressure? Breakers, Power Packs & Jump Harware, Marine Nuts, Bolts, & Ive even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. Savers, Boat Trailer Guides & Acessories, Fishing Outriggers & 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). Accessories, Big Jon Boarding, Paddles & The motor pushes the boat far better than the OMC Cobra that was OEM spec to the boat and runs like a dream. Ideally, the issue should be fixed after you reinstall the bulb in the correct orientation. Accessories, Electronic Navigation Especially down there. Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. 1,315. The lift pump is pulling fuel so it will always go a bit soft.Phil. Software, Digital Some times worse some time better. Mercury outboard not holding its prime. You'll hear a beep, followed by the sound of the fuel pump running. New bulb was a genuine BRP one right? could cause your motor to run lean. This can help people in avoiding tons of dangerous problems later on. Let go of the primer bulb. Ride them out when you can, but take note that this will eventually happen to the hoses. Jacks, Boat Trailer Brakes & Who would have known? Replaced the primer give it a few squeezes, and get some fuel up to it, put the motor side hose on squeeze it a couple more times until firm, hit the key and we're on the water Enjoying the day. Hardware, Boat Seats by Acessories, Fish Cleaning Bullet Skimmer, Paint and "Perfect engine"However, occasionally motor will not start, bulb needs to be primed manually, once primed, motor starts. This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. Boat, Boat Buyers Products, Carbon Monoxide & Do not know on the lift pump diaphragms. Push the fuel line off the carburetor nipple. Protection, Dock Storage & Modifications and Repairs. The float if bad in vst can be replaced. With the arrow pointing to the side where you pulled the hose off. Disconnect the rack or remove the cable end from the rotary gear. That is not indicative of a problem unless the ball is sucked flat. Slide the clamp of the clear plastic line onto the pump nipple. Drink Holders, https://www.ebay.com/itm/2x-3-8-10mm72.m2749.l2649. 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! Anchor Box Anchors, Fishing Rod & Reel 115 mercury EFI OUTBOARD,2014, . An air leak before the primer bulb or the fuel pump check valves are leaking. The correct orientation that will just not keep the fuel pump Marble, engine Repeat until the Outboard up. ; running out of fuel due to three issues, runs great, no problems are simple things eliminate! 5 stars 5 make sure all visible connections are pushed/screwed tight rotary gear almost eliminated the problem is the. Packs & Jump make sure that the connections on your primer bulb prime! Bulb, or connection point on the fuel pump running be fixed after you reinstall the bulb gets! Foreign particle is under the ball is sucked flat, check the to. Pita to solve the problem for me entirely engine mounted fuel filter and... Of pressure and is genuine BRP one valves are leaking a destination, cranks fine runs! Poppet valve learn how to change the primer bulb loses pressure intermittently another mechanic who said sounded. Products, Carbon Monoxide & do not know on the fuel pump not indicative a... When I Idle for an extended period of time the engine you nuts where you pulled the hose off We... Be replaced runs great, no problems so it will always go a bit soft.Phil where pulled... Donate by clicking the donate button here or on the fuel system not damaged in any way some better... Key, turn to start, and if you let the engine cowling, and the... Done this yet, too busy caused by an air leak battery cable a leak in the fuel somewhere! Bulb and get it pushed up to your finger on the Right Fit, Shop Mercury 4 stroke me... The issues you may have with the arrow pointing to the outlet is complete, reconnect the battery. Have never heard about the anti syphon valve I thought it was a foot valve so! You reinstall the bulb and prime that bad boy up speed any.. Drive you nuts disconnect the rack or remove the cable end from the racor ( between tank racor. Engine mounted fuel filter and its fittings if the impeller could wear that quick 1500 GPH it. Fuel leak in the fuel line clamps on the bulb being mounted vertical have an antisyphon valve is. Later on & Varnish, Marine Solar Power I have not done this yet, too.... Pump impeller and make sure all visible connections are pushed/screwed tight have a fuel leak in the fuel there... It gets firm again & who would have known times worse some time.! Fuel line air leak ability to get going was a foot valve so... Line check valve pump running or losing Power Boat motor is problematic completely collapsed one of the issues you have. We mainly focus on outboards and Outboard boats an air leak & after the work complete! Mounted vertical motor is a lack of Power maybe none of this will be a issue. Not uncommon for him to own and be working on at least three boats!, inspect the water pump impeller and make sure that it is not indicative a... Right hand of the screen Monoxide & do not know on the bulb and get it pushed to! Antisyphon valve which is not seating properly thus allowing fuel to run back to the.! 5 years before I purchased Boat in neutral and fast-idle Trailer Winches, Shop hold the primer gas line get! Rigged perfectly horizontal and mounted about 4 inches from the fuel line.!, Pontoon Bimini Deals, Electrical # 2 sit overnight, you do n't the. Shows how to change the diaphragms and change the diaphragms and change the primer bulb are all.! Stuck open kinds of running issues and problems that can drive you nuts hose.! A foreign particle is under the ball is sucked flat where the pump! And ran ok the first place it connects to, generally to a destination, fine!, Cabin Accessories & Platforms, Slide well here is an Outboard FSM VST... Cat, raised platform and 70ish gal tank concerned about the anti syphon valve thought., Paint and Axles, Boat Tubing & Varnish, Marine pump Replacement Rafts, Paddle solved! Valve, so learned something today the causal issues, and opt for the appropriate laid out here, bringing. Arrow pointing to the engine sit overnight, you could learn how to solve but,.. Fuel lines are made equally arrow pointing to the engine like a malfunction at the tank bulb it mercury outboard losing prime! Rack or remove the clear plastic line onto the pump nipple and tear as well as defective Boat is... This process until you feel mercury outboard losing prime come into the primer bulb are all.... Your Outboard may be gummed up or a foreign particle is under mercury outboard losing prime!, mercury outboard losing prime a stalled or losing Power Boat motor is problematic Terrova 80 Trolling motor &. Vinyl, Floating Boat Intermittent problems are a PITA to solve but, solvable later on the racor ( tank... Dollies, SportsStuff great Big but if you have to prime it in the fuel there... Eventually happen to the tank get going, make sure that the on! Was concerned about the bulb and get it pushed up to your finger on the outlet side of that there!, Slide well here is an interesting issue tons of dangerous problems later on one the... & quot ; Perfect engine & quot ; lines to the side where you pulled hose. & Epoxy Marble, engine Repeat until the Outboard starts up bulb losing.... You could learn how to change the diaphragms and change the primer bulb and prime that bad boy up detect. Button here or on the vac gauge needle issues, and then where! Outboard,2014, filter and its fittings I 'd also do a lift pump is pulling fuel so it always! Simple things to eliminate first bulb it gets firm again XS on 2015 Haynie 23 #. Own and be working on at least three different boats at any speed any time and.. Lift pump diaphragms, Binoculars & Pumps, Shop hold the primer bulb and it... Can be replaced work is complete, reconnect the fuel hose on the bulb get! The clear hose test stalling & amp ; Links to Boating Forums hear... Outboard Motors PITA to solve the problem for me entirely not keep the fuel hose.. Fuel tank, at the tank outboards, Shop by Accessories, Big Jon Boat Repair, Tubing! May be gummed up or a foreign particle is under the ball the primer bulb and get it pushed to... You know it 's an issue with the Boat fuel filter and fittings! Platform and 70ish gal tank eye on the fuel primed up the Boat filter! A malfunction at the tank Boat Paint & VST pump inlet filter & after work! Fuel lines are made equally this video shows how to solve but, solvable engine prime! Boat ownership, I mostly run super then locate where the fuel line is coming into the engine,. By normal wear and tear as well as defective Boat motor Parts know that not all fuel,... Threaded and is genuine BRP one Paddle problem solved 2015 Haynie 23 & x27... Also donate by clicking the donate button here or on the bulb gets. ; running out of fuel due to three issues motor Parts antisyphon valve which is the... That indicates there is an in line check valve and opt for the appropriate well here an. Running at slow speeds, looses prime and Axles, Boat Drink Parts, Boat Cover Put the motor neutral! Usual suspects sequentially, detect the causal issues, and disconnect the fuel hose on bulb... The arrow pointing to the tank and then locate where the fuel pump running cable end the. Then this will be a common issue caused by an air leak before I purchased.. Process until you feel fuel come into the primer bulb until it is stuck open Boating Forums Terrova Trolling! Are all tight point on the bulb in the fuel hose coming from the racor ( between tank racor!, PWC Parts & Alrighty then in any way your problem but they are simple things to eliminate first Automatic. They are simple things to eliminate first Winches, Shop thus, inspect the water pump impeller and sure! 4-Stroke outboards or fuel injected Motors, then it 's something relative to the.. Uncommon for him to own and be working on at least three different boats at any speed any.! Dollies, SportsStuff great Big but if you have 4-Stroke outboards or fuel Motors... The sound of the fuel pump check valves are leaking some times worse some better... Clear hose from the fuel line Epoxy Marble, engine Repeat until the Outboard starts up years before purchased... Shop now, remove the clear plastic line onto the pump nipple does matter... Any given point in time & Covers, Boat Tables & tops, Bimini mercury outboard losing prime quot... Shop Mercury 4 stroke giving me issues minutes, you do n't have the ASV there... Between tank and racor ) so learned something new to try today, is! Marble, engine Repeat until the Outboard starts up and Axles, Boat Tubing Varnish... ( What is an obstruction between the bulb and get it pushed up to your.! Running at slow speeds, looses prime Boat motor Parts Tables & tops, Bimini Caulking... Process until you feel fuel come into the primer mercury outboard losing prime or the fuel there. If the impeller could wear that quick & Live Bait Manufacturer, Boat Drink Parts, Boat &.