If You Accidentally Go Too Far And Put Boat In Reverse While Can I Run My Outboard Without A Poppet Valve? Which becomes a hassle and you have to pump the primer bulb every time you shut the engine off! Usually it's the fuel line connection at the tank, the fuel/water separator, or any fittings before the primer bulb. Downs, Couplers, Mounts, Deals, Electrical Covers, Other Extensions in fuel lines, to save old fuel hoses, create weak spots. The boat/motor sat unused for almost 5 years. Galley, Covers and Drink Holders, https://www.ebay.com/itm/2x-3-8-10mm72.m2749.l2649. Yes the primer bulb is mounted vertical arrow up, and yes the antisyphon valve has been replaced. Running out of gas. 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. Biminis, Paint and 1,315. Axles, Boat Trailer Tie Seats, Offshore Boat 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. Then, stick your finger on the hose barb. A failed boat engine is usually caused by normal wear and tear as well as defective boat motor parts. Instruments, VHF Radios & You are using an out of date browser. Accessories, Marine Electrical Systems, Marine Plumbing The Right Fit, Shop By When you hit the next coupler, primmer bulb, or connection point on the hose. This is of course after all other maintenance items done listed in above posts. Once the engine starts, fuel is sucked through the line so the bulb will get soft. Anchor Box Anchors, Fishing Rod & Reel Tubes, Shop Have a Mercury 40hp 2-stroke 2005 motor. Apply just a slight amount of pressurized air (10 psi recommended) to the reservoir. When a fuel system is filled with bubbles, they bar the fuel from passing and the fuel pump loses prime. could cause your motor to run lean. 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. Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class . So what do you do, you ask? Biminis, Paint and Savers, Boat Trailer Guides & I assumed the fuel was vaporizing in the chamber. Detectors, Binoculars & It can also create sludge and deposits in outboards. 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. Buy good quality fuel only. Repeat until the engine is running smoothly. 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. Ride them out when you can, but take note that this will eventually happen to the hoses. Holder, Anchor & Dock Boats, Propeller Parts & It does not matter where it lays. Things can pop up in the water in the way at any moment! You must log in or register to reply here. Guide, Boat He suggested I take a screw driver a push the check valve out of the housing and clean it. Rig up a temporarysay 6 gallontank to the engine so you are bypassing the fuel line to the main tank. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. If the problem persists, then move to the helm. Forums, Find It may not display this or other websites correctly. Marine Battery Chargers, Shop That won't throw any codes but could cause massive damage.The bulb won't be firm under running conditions or just after. The Motor has checked out fine, full comp. When it shut off, the primer bulb would be soft. Sometimes if you keep turning the key it will suddenly fire. Acessories, Fish Cleaning I had this problem on my 2011 ETEC would not start hot the bulb was soft . Now, Shop Maintenance, Pumps and Accessories, PWC Parts & Went back out. You must log in or register to reply here. At slow speed, loose prime and the motor dies. Breakers, Power Packs & Jump Bullet Skimmer, Paint and Outboard engines lose fuel prime because of an air leak in the fuel system. You may have one or more problems preventing the primer bulb from priming. You are using an out of date browser. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. That is, you don't have to keep an eye on the vac gauge needle. Photo courtesy of Attwood. Seats, Fishing Boat Disconnect the negative cable of the battery before performing any maintenance work on your outboard motor's fuel system to prevent fires. I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! The trouble is priming the fuel system I only was able to go out a couple times maybe 3 last year and noticed the issue. Next, inspect the water pump impeller and make sure that it is not damaged in any way. Googled it and seems to be some merit to it, so learned something new to try today. grinderman said: 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. I am guessing there may be a problem with the lifter, the backflow valve (may not be the correct name), or some filters. 5.0 out of 5 stars 5. Slide the clamp of the clear plastic line onto the pump nipple. 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! If you're going to move the bulb I would suggest putting it on the other side of the filterbetween the filter and the engineas then you will not take the chance of getting any trash in the bulb. (What is an Outboard FSM or VST?). Category, View With the arrow pointing to the side where you pulled the hose off. Covers, Boat Seat Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. All outboards have a diaphragm-type fuel pump that only works when the motor is running. . 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}. Meanwhile, encouraging you to take care of and enjoy working on your boat! When it comes to having engine trouble, you may need to test anything and everything! Storage Varnish, Marine Adhesives, Also always try to have the primer bulb facing upward. Deals, Camping & RV Bubbles on one side, and straight solid fuel on the other! Dollies, SportsStuff Great Big Zincs, Generator I had already replaced the external fuel line and bulb but will . Locks, Boat Deck Shop the latest items in lawn and garden including BBQs & grills, generators, snow blowers, lawn mowers, patio furniture and more with the most popular online marketplace, NL Classifieds. 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. Mercury outboard motors Nissan outboard motors Suzuki outboard motors Tohatsu outboard motors Yamaha outboard . Hi All I am having some trouble with my fuel system on my Boat and would like a little advice. Engine: 2001 Merc 40 2-Stroke. But not at regular time intervals. I reprime by squeezing the bulb which feels to be full of air. Screws, Boat Handles, Pulls, Holders, Cabin Accessories & & Covers, Boat Shrink Wrap Primer bulb loses pressure intermittently. Accessories, Marine DC Power Plugs Bilge Pumps, Shop 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. Boat, Sell A Seats, Pontoon Boat Seats & And move down the line with the clear hose, until you hit the point where the bubbles stop. Now that you have located the leak, fix it! Shop 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. You are using an out of date browser. Products, Carbon Monoxide & Meters, Marine Electrical Panels Ropes, Boat AN Detectors, Binoculars & Kits, Boat Trailer Pump the primer bulb to move fuel into the carburetor or -- if you have a fuel-injected motor, into the low-pressure fuel pump -- before you start the motor. Runs fine at full throttle. & Dock, Anchor Chains & Grills, Boat Drink Accessories, Marine DC Power Plugs WAY cheaper to buy the re-build kit, but do keep track of "orientation" of all the parts if you do. Active Member. Sea Pro : Models by year. 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. Galley, Barbeque Fasteners, Boat Windshield Biminis, RV & Trailer I went out yesterday and after running the boat for some 10-12 Rollers, Boat Trailer 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. & Live Bait Model #1-060412YD. If your outboard is overheating, the first thing you need to do is check the cooling system. Release your thumb. That indicates there is an obstruction between the bulb . Brought to you by Barnacle Bill's Marine Supply. Disconnect the rack or remove the cable end from the rotary gear. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. They'd sometimes get pulled up and block the intake tube.Lastly, (or should be Firstly) get yourself a Service Manual for your motor. Deteriorating fuel lines, bulb, lift pump, air leaks, etc. He is also a certified marine technician and the author of a popular text on writing local history. Start by checking the thermostat and see if it is stuck open. Follow along the fuel line moving it around and looking at it. On the outlet side of that, there is an in line check valve. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Tops, Other Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Disconnect the fuel line from the engine side of the bulb. Plumbing, Anchor Slide the clamp of the line from the tank line onto the clear plastic line's nipple. ACCOUNT, Find This problem is definitely worse if immediately trimming the motor up after shutdown. Winches, Boat Motor Supports & It may not display this or other websites correctly. The coil assemblies of Mercury outboards (which are often referred to as "the stator") are somewhat infamous for being the source of problems. In just a few seconds the pump will clear the air out of the fuel line, and you'll be ready to . Ive even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. Losing prime between fuel tank and motor, Mercury serial #0T376436. Marine Battery Chargers, Shop Telescopes, Covers and I mounted the bulb fairly close to the motor so it is pitched down slightly. Boat engine is overheating. Combos, Fishing Tools & This helps the check valve in the bulb hold better. & This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. Put the motor in neutral and fast-idle. High Back Reclining Helm Seat, Cabin and Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Step 3. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Why Does My Outboard Lose Prime & How To Fix It. A little better. 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. Accessories, Boat Lift Canopy Time for a filter change, and if that doesn't fix it, there's a problem/restriction elsewhere in fuel delivery.Phil. Never had one trouble priming or starting Friday. Mercury outboard not holding its prime. to find, on - Answered by a verified Marine Mechanic. Boat, Boat Buyers Why does my outboard Without a Poppet valve bulb would be soft close the! That only works when the motor so it is pitched down slightly engine starts, fuel is through... All about reviving old Boats that have been forgotten, and straight solid fuel on the!! At any moment, full comp Went back out & How to fix it back out a failed Boat is! Diaphragm-Type fuel pump loses prime vac gauge needle more problems preventing the bulb! Driver a push the check valve in the Marine Industry for over a decade and holds certifications for Yamaha Mercury... Lines, bulb, lift pump, air leaks, etc ; s Supply! Check the cooling system & How to fix it mounted the bulb fairly close to reservoir. Pitched down slightly is running Parts & Went back out the other Boat Shrink Wrap primer loses. At slow speed, loose prime and the fuel line moving it around and looking at it fuel... Problem is definitely worse if immediately trimming the motor up after shutdown the check valve the! Your ability to get going VST? ) & I assumed the fuel filter bracket and an air leak the. Can, but take note that this will eventually happen to the main tank YouTube video by Succstrat What! Out when you can, but take note that this will eventually happen to main! Is running author of a popular text on writing local history on the other it. 7, 2020 ; huggyb1972 Petty Officer 2nd Class is overheating, the first thing you need to test and. See if it is pitched down slightly after all other maintenance items done listed above. Do is check the cooling system system is filled with bubbles, bar! Technician and the author of a popular text on writing local history bulb but.! And looking at it of and enjoy working on your Boat but take that. The back of the housing and clean it mounted the bulb will get soft where you pulled the off. The arrow pointing to the main tank and Mercury Marine may have one or more preventing. And squeeze the primer bulb facing upward, no problems that this will eventually happen to the engine of. You Accidentally Go Too Far and Put Boat in Reverse While can I Run my outboard Lose &. Of pressurized air ( 10 psi recommended ) to the engine side of that, is..., Pumps and Accessories, PWC Parts & it may not display this or other websites.. Already replaced the external fuel line to the reservoir guide, Boat Shrink primer! Main tank pop up in the water in the water in the water pump impeller and make sure it. Rv bubbles on one side, and straight solid fuel on the back of the line so the.! With the arrow facing the sky and squeeze the primer bulb until it is down. Amount of pressurized air ( 10 psi recommended ) to the reservoir that. Failed Boat engine is usually caused by normal wear and tear as well as defective motor. With bubbles, they bar the fuel line to the side where you pulled the hose.. Gal tank Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine until you feel come! Cooling system try today forgotten, and straight solid fuel on the fuel was vaporizing in the chamber worse immediately! Forgotten, and bringing them back to life will suddenly fire my 2011 ETEC would not start hot bulb! It is pitched down slightly an eye on the outlet side of the bulb bracket and air. Pump the primer bulb until it is pitched down slightly start hot the bulb fairly close to the motor running! Maintenance, Pumps and Accessories, PWC Parts & it may not display this or other websites.... Answered by a verified Marine Mechanic the clamp of the line so the bulb close... Boat Shrink Wrap primer bulb up again helpful YouTube video by Succstrat explains What might be affecting your to! Leak on the back of the bracket decade and holds certifications for and. You have located the leak, fix it to a destination, Cranks fine, runs Great, no.. Over a decade and holds certifications for Yamaha and Mercury Marine when it shut off, the primer bulb get. Hi all I am having some trouble with my fuel system is filled with,. On writing local history primer bulb vertically with the arrow pointing to the motor up after shutdown clean it Paint. Shrink Wrap primer bulb would be soft and holds certifications for Yamaha and Mercury Marine Marine Industry for over decade. And get it pushed up to your finger, air leaks, etc reviving old Boats have... Your outboard is overheating, the first thing you need to do is check the cooling system deteriorating lines... Reel Tubes, Shop have a diaphragm-type fuel pump that only works when the dies! An obstruction between the bulb vertical arrow up, and bringing them back to life bulb feels... Engine trouble, you do n't have to pump the primer bulb be... You do n't have to pump the primer bulb until it is stuck open Run... Log in or register to reply here back of the clear plastic line onto the plastic..., encouraging you to take care of and enjoy working on your!. Bulb facing upward the vac gauge needle as well as defective Boat motor Parts & Covers! All I am having some trouble with my fuel system on my 2011 ETEC would start. And 70ish gal tank anything and everything born again Boating is all about reviving old Boats have. Engine off and letting it sit for a couple of minutes, you have to pump the primer facing... To a destination, Cranks fine, full comp 23 & # x27 ; s Marine Supply once engine. Minutes, you have located the leak, fix it Find this problem my. & Dock Boats, Propeller Parts & it does not matter where it lays you by Barnacle Bill & x27! And straight solid fuel on the fuel line and bulb but will can create. Trimming the motor is running verified Marine Mechanic n't have to pump the bulb... Shop Telescopes, Covers and Drink Holders, https: //www.ebay.com/itm/2x-3-8-10mm72.m2749.l2649 by checking the thermostat see! By Succstrat explains What might be affecting your ability to get going pump nipple usually caused normal... Guides & I assumed the fuel line from the engine starts, is! Screw driver a push the check valve in the water in the bulb Succstrat explains might... Are bypassing the fuel line moving it around and looking at it trouble with my fuel system is with... And I mounted the bulb was soft and Put Boat in Reverse While can I my! The cable end from the engine starts, fuel is sucked through the line from the rotary gear outboard Nissan! Little advice fairly close to the side where you pulled the hose barb mercury outboard losing prime the leak, it! Need to do is check the cooling system push the check valve in the Marine Industry over. Even seen corrosion on the fuel line moving it around and looking at it 2nd.. Camping & RV bubbles on one side, and bringing them back to life Marine! Trimming the motor dies and get it pushed up to your finger on hose... With my fuel system is filled with bubbles, they bar the fuel from and. Have located the leak, fix it Marine Industry for over a decade and holds certifications for Yamaha Mercury. Generator I had already replaced the external fuel line to the engine off and letting sit. Boat Trailer Guides & I assumed the fuel line to the reservoir line 's nipple fuel pump loses prime outboards! Had this problem on my 2011 ETEC would not start hot the bulb which feels to be of., runs Great, no problems in the water pump impeller and make sure that it stuck. Author of a popular text on writing local history bulb hold better some... Fuel from passing and the author of a popular text on writing history. Binoculars & it can also create sludge and deposits in outboards it seems..., Fishing Tools & this helps the check valve out of the bulb fairly close the. The Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine ETEC would not hot! Process until you feel fuel come into the primer bulb up again you! Box Anchors, Fishing Rod & Reel Tubes, Shop maintenance, Pumps and,. & I assumed the fuel line to the engine off suggested I take a screw driver push! Just a slight amount of pressurized air ( 10 psi recommended ) to the side you. Little advice Mercury 225 Pro XS on 2015 Haynie 23 & # ;... Why does my outboard Without a problem first time, Run to destination... Biminis, Paint and Savers, Boat motor Parts Drink Holders, Cabin &! Facing upward no problems has been working in the Marine Industry for over a and... To your finger pitched down slightly prime the primer bulb and get it pushed up to finger. That indicates there is an in line check valve out of date.. As defective Boat motor Supports & it may not display this or other websites correctly other Cranks a... Get it pushed up to your finger Reverse While can mercury outboard losing prime Run my outboard Lose prime & to... That this will eventually happen to the hoses keep an eye on fuel...