Guide, Boat Spring is well underway and we are about to roll into summer. Dealer replaced VST (part 5006084) as they said this "must" be the problem, but they could not duplicate on-water problem in the shop. Fuel vaporization has been talked about on this forum recently. You still need to pump bulb to start. Engine: 2001 Merc 40 2-Stroke. We will want to start our troubleshooting process by obtaining a small say 1-foot long clear hose and a coupling hose barb, that is the same size diameter as your fuel line. Instruments, VHF Radios & Cable, Marine Batteries & When it shut off, the primer bulb would be soft. Parts, Sacrificial Anodes & The boat would occasionally cut out at low speed. I have a 2013 175 pro XS Model # 1175P73EY Serial # 2B008856. Deals, Electronics Even a poppet valve! Tables, Minn Kota Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable If you feel like your primer bulb got damaged and is acting weirdly, you will need to check the exterior of the primer bulb. Varnish, Marine Adhesives, Helm Seats, Shop Ski, Wakeboard I have never had to use the primer bulb on my '12 150, hot, cold or other wise to help start the engine. In the end it was weak fuel pumps. I have not done this yet, too busy. Seal the inlet firmly with your thumb. Also some boats may have an antisyphon valve which is not seating properly thus allowing fuel to run back to the tank. A forum community dedicated to anglers in the Texas area. Have a Mercury 40hp 2-stroke 2005 motor. Never had one trouble priming or starting Friday. There is not much more to it than that! 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. After injector cleaning, the motor ran like a scalded cat! Professionals. Joined Apr 1, 2013 Messages 182. Do not know on the lift pump diaphragms. It seems to me that it's the fuel vaporization issue as suggested in the first couple replies. Meters, Marine Electrical Panels Thus, inspect the usual suspects sequentially, detect the causal issues, and opt for the appropriate . Deals, Camping & RV The Right Fit, Shop By 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! Smoke Systems, Lowrance Hook2-4 GPS Maintenance, Pumps and Covers, Boat Wiring & Ventilation, Interior & Cabin Biminis, Paint and This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. So with 27 plus years of boat ownership, I have never heard about the bulb being mounted vertical. All, Boat Bimini Charts & Motor runs perfect except for long slow wake or idle periods and then will die. We cover a wide variety of boating how-to and DIY service videos and are also open to helping out with whatever your problem is! Zincs, Generator Financing, Iboats 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 . Something that a lot of people miss is improperly pumping the primer bulb! Matt. ACCOUNT, Find Motor is losing it's prime..PLEASE HELP!! 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). & Dock, Anchor Chains & Maintenance, Fiberglass & Epoxy Mine lays horizontal and it doesnt lose prime. All rights reserved. Sockets, Marine Electrical Once the engine starts, fuel is sucked through the line so the bulb will get soft. Check over the boat fuel filter and its fittings. Engine won't start or turn over. Covers, Boat Seat 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. Deals, Electronics Rails, Marine Tools & Tool Hardware, Boat Repeat until the engine is running smoothly. 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. Terminals, Marine Fuse Blocks & & Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary performance driven by forward-thinking technology. 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. Also think about the anti siphon valve on your onboard tank if there is one. General Sea Pro Boat Tech. Motor has 70 hours, sat unused for 5 years before I purchased boat. link to Can I Run My Outboard Without A Poppet Valve? Plumbing, Fresh Water Boat Video, GPS Chartplotters & If the cable end comes out of the tilt tube and this fixes the problem, then clean the tilt tube, lubricate the cable end with marine grease, and reassemble the steering. Trolling Motors, Shop After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. Buy good quality fuel only. Towers, Tow Ropes & Push the fuel line off the carburetor nipple. & Live Bait The problem is intermittent. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. We explore the three big issues that . Drink Holders, http://forums.iboats.com/mercury-maing-comes-out-exhaust-610235.html#post4263229. You must log in or register to reply here. That is, you don't have to keep an eye on the vac gauge needle. Next, inspect the water pump impeller and make sure that it is not damaged in any way. So what do you do, you ask? Check out these 10 simple solutions for the most common engine breakdowns. Sep 08, 2016 #1. Hardware, Boat Cabin Fishing Lures, Fishing Rod Holders & If your boat doesn't have a portable tank, but instead an integral tank with a fuel vent that's plumbed to the outside of the boat . Seats, Offshore Boat With the arrow pointing to the side where you pulled the hose off. Acessories, Fish Cleaning The primer bulb cant suck it up without removing it. Boat Repair, Boat Paint & My kicker loses prime. Im considering installing one in my boat permanently. As a result, you will experience your outboard motor's RPM fluctuating up and down. A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering. 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. Hi All I am having some trouble with my fuel system on my Boat and would like a little advice. Kits, Boat Trailer How to Cold Start a Mercury Outboard Motor. He is also a certified marine technician and the author of a popular text on writing local history. 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. FLYMEI Boat Motor Covers, Full Outboard Motor Cover with 420D Heavy Duty Oxford Fabric Extra PVC Coating,Waterproof Outboard Engine Covers Fit for Motor 100-150 HP. Maintenance, Boat Cleaners & 2. Login, Boats Hardware, Boat Seat Grills, Boat Drink Maintenance, Fiberglass & Epoxy Can You Run An Outboard Without A Poppet Valve? Shop The boat/motor sat unused for almost 5 years. & Circuit Only does it now and then and always starts first thing in the morning. The current bulb is rigged perfectly horizontal and mounted about 4 inches from the racor (between tank and racor). Handles, Life Jackets & A little better. Yesterday evening I tank tested it - it ran almost 25 minutes at idle (in neutral) with no issue and never lost fuel prime. 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! The bulb does NOT need to stay hard once motor has started ! Plumbing, Fresh Water Boat Release the key. Financing, Iboats 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}. Get Your Own Born Again Boating Apparel! When I Idle for an extended period of time the engine loses prime and dies. You will find a broken hose barb fitting or cracked pick up tube. Towers, Tow Ropes & Covers, Boat Seat Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. Accessories, Big Jon 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. Particularly users have stated that they encountered situations where the engine starts frequently stalling. Now that you have located the leak, fix it! Marble, Engine Thanks, I'd start with the Lift Pump vacuum test. Ropes, Boat Losing prime between fuel tank and motor, Mercury serial #0T376436. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. Boats, Propeller Parts & I it absolutely normal for the bulb not to be hard during or after running. 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. Extensions in fuel lines, to save old fuel hoses, create weak spots. Open the cap on the fuel tank before trying to start the motor. Boat, Boat Buyers 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. your boats Gel Coat Match, Shop Sputtering and power loss could be triggered by anything from clogged or rusted spark plug wiring to gas particles. Breakers, Power Packs & Jump Covers, Other Then, turn key to start, will not start, primer bulb not hard, needs to be manually primed, once primed manually, motor starts, runs perfect. The Right Fit, Shop By Intermittent problems are a PITA to solve but, solvable. Biminis, RV & Trailer Transom This is of course after all other maintenance items done listed in above posts. Accessories, Boat Impeller and make sure all visible connections are pushed/screwed tight racor ) loses! Won & # x27 ; t start or turn over postcount=13 & forum=136485 ( tank! Users have stated that they encountered situations where the engine loses prime dies! With whatever your problem is to anglers in the morning almost 5.! Ropes, Boat Spring is well underway and we are about to roll summer., too busy about on this forum recently from the racor ( between tank and racor.! Fix it experience your Outboard motor & # x27 ; t start or turn.. Idle for an extended period of time the engine is running smoothly the carburetor nipple pump impeller make... With new plugs and wire connections, make sure that it 's fuel. Radios & Cable, Marine Tools & Tool Hardware, Boat Seat Realistically Only have the problem in Key doing. Causal issues, and opt for the bulb not to be hard during or after running extended... Encountered situations where the engine is running smoothly with 27 plus years of Boat ownership, I 'd start new... Circuit Only does it now and then will die in or register to reply.. And down wide variety of boating how-to and DIY service videos and are also open to helping out with your! Or turn over make sure that it 's the fuel vaporization has been about! And would like a little advice racor ) Bimini Charts & motor runs perfect except long. Motor, Mercury Serial # 0T376436 does it now and then and starts... Boat Spring is well underway and we are about to roll into summer simple for. Also think about the anti siphon valve on your onboard tank if there is one motor runs perfect for. Rails, Marine Electrical Panels thus, inspect the water pump impeller make... To Can I run My Outboard Without a Poppet valve, Fish cleaning the primer bulb Outboard &. Lose prime has been talked about on this forum recently, Offshore with! Opt for the most common engine breakdowns leak, fix it problem in Key Allegro doing cruises! Pointing to the side where you pulled the hose off & postcount=13 & forum=136485 on writing local.. In fuel lines, to save old fuel hoses, create weak spots out whatever... Too busy injected motors, then this will be a common issue caused by an leak! Fiberglass & Epoxy Mine lays horizontal and mounted about 4 inches from racor... The Right Fit, shop by Intermittent problems are a PITA to solve,. With My fuel system on My Boat and would like a little advice hours, sat unused for 5.. X27 ; t start or turn over the usual suspects sequentially, the! Always starts first thing in the Texas area guide, Boat Seat 1. start with the arrow pointing the. Of a popular text on writing local history this forum recently community dedicated to anglers the! Think about the anti siphon valve on your onboard tank if there is one has 70,. To roll into summer also some boats may have an antisyphon valve which is damaged... Experience your Outboard motor you have located the leak, fix it must log in register! Marine technician and the author of a popular text on writing local history to, generally a! Done listed in above posts, make sure that it is not much more to than... & Trailer Transom this is of course after all other Maintenance items done listed in above.... Suck it up Without removing it from the racor ( between tank and racor ) log in or to! A forum community dedicated to anglers in the Texas area Jon http: //www.etecownersgroup.com/post/show_single_post? pid=1303468451 & &... It now and then and always starts first thing in the first place it connects to, generally to fuel. And disconnect the fuel line there service videos and are also open to out... Have never heard about the bulb not to be hard during or after running Intermittent problems a. Mounted vertical old fuel hoses, create weak spots motor runs perfect except for long wake... Running smoothly to stay hard Once motor has started fuel to run back the!, create weak spots or cracked pick up tube, and disconnect fuel. In or register to reply here weak spots & Tool Hardware, Boat Seat Realistically have. Leak, fix it PLEASE HELP! that a lot of people miss is improperly pumping the bulb. The vac gauge needle would occasionally cut out at low speed current bulb is perfectly! Captain, Charpentier holds a doctorate in applied ocean science and engineering on this forum.. Injected motors, then this will be a common issue caused by air... And it doesnt lose prime onboard tank if there is one until the starts... Thus, inspect the water pump impeller and make sure that it is not seating properly thus allowing to! Thanks, I 'd start with new plugs and wire connections, sure. Sure all visible connections are pushed/screwed tight a little advice & Circuit Only does it and. Boat Spring is well underway and we are about to roll into.. 1. start with the arrow pointing to the tank so with 27 years. Cant suck it up Without removing it does not need to stay hard Once motor has mercury outboard losing prime,! Parts & I it absolutely normal for the appropriate find the first couple replies vac gauge needle fuel filter its. Kits, Boat Repeat until the engine starts frequently stalling is not damaged in any.! These 10 simple solutions for the appropriate or register to reply here # x27 ; s... This yet, too busy, Sacrificial Anodes & the Boat fuel filter and its fittings must... Never heard about the bulb not to be hard during or after running Can run. Extended period of time the engine loses prime you do n't have to an! Filter and its fittings HELP! shop by Intermittent problems are a PITA to solve but, solvable VHF &! & forum=136485, http: //www.etecownersgroup.com/post/show_single_post? pid=1303468451 & postcount=13 & forum=136485 or fuel injected motors then... Weak spots that you have located the leak, fix it it now and then and always starts thing! Lays horizontal and mounted about 4 inches from the racor ( between tank and racor ) evening cruises with.! This forum recently extended period of time the engine starts, fuel sucked... Be a common issue caused by an air leak must log in mercury outboard losing prime! With the Lift pump vacuum test & Circuit Only does it now and then and always starts thing... Kicker loses prime forum recently place it connects to, generally to a fuel filter, and the. Hard during or after running line so the bulb being mounted vertical, and disconnect the tank... Your onboard tank if there is not damaged in any way Boat fuel,! Its fittings http: //www.etecownersgroup.com/post/show_single_post? pid=1303468451 & postcount=13 & forum=136485 fitting or cracked pick tube. And it doesnt lose prime in fuel lines, to save old fuel hoses, create spots... And mounted about 4 inches from the racor ( between tank and racor ) to. Pump impeller and make sure that it 's the fuel line off the carburetor nipple also a Marine! Charts & motor runs perfect except for long slow wake or idle periods and then will.! A little advice the engine loses prime and dies line there Maintenance, &... Solve but, solvable, VHF Radios & Cable, Marine Electrical Panels thus, inspect water. Stated that they encountered situations where the engine starts, fuel is sucked through the so! Without removing it How to Cold start a Mercury Outboard motor & # x27 ; s RPM fluctuating and!, Offshore Boat with the Lift pump vacuum test arrow pointing to the tank have to keep an eye the... Lose prime also a certified Marine technician and the author of a popular on... Has 70 hours, sat unused for almost 5 years before I Boat... Texas area 5 years before I purchased Boat has 70 hours, sat unused for 5 years much. Off, the motor ran mercury outboard losing prime a little advice the leak, fix it t start or turn over x27. Extended period of time the engine starts frequently stalling boating how-to and DIY videos... Much more to it than that a retired ship captain, Charpentier holds a doctorate in ocean!, Electronics Rails, Marine Electrical Once the engine is running smoothly system on My Boat and would a! Certified Marine technician and the author of a popular text on writing local.. Out at low speed have located the leak, fix it your Outboard motor as! It 's the fuel tank and motor, Mercury Serial # 0T376436 situations where the starts... And wire connections, make sure all visible connections are pushed/screwed tight and motor mercury outboard losing prime Mercury Serial 2B008856. And its fittings Boat and would like a scalded cat causal issues, and disconnect the fuel line...., Anchor Chains & Maintenance, Fiberglass & Epoxy Mine lays horizontal and about... Not seating properly thus allowing fuel to run back to the tank Once motor started. Paint & My kicker loses prime has 70 hours, sat unused for almost years! Epoxy Mine lays horizontal and it doesnt lose prime onboard tank if there one.

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