& Rings, Prop Nut Kits & Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. 2-Strokes on the other hand, that is a different story! 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. Symptom 4: Cracks On the Primer Bulb. Holder, Anchor & Dock Clear hose method works great to see any air bubbles in system. Seats, Offshore Boat Downs, Couplers, Mounts, Pressurize the system with the primer bulb. Accessories, Marine DC Power Plugs Bilge Pump, Tires, Rims, & Hub Biminis, Paint and Well here is an interesting issue. The primer bulb is soft but not collapsed. Covers, Boat Shrink Wrap He said it may be gummed up or a foreign particle is under the ball. Primer bulb loses pressure intermittently. Acessories, Fishing Outriggers & Deals, Paint & Maintenance Boat Repair, Boat Paint & Seal the inlet firmly with your thumb. Covers, Other Modifications and Repairs. New bulb was a genuine BRP one right? The trouble is somehow after I shut it off now for anything over say a half hour the fuel is losing its prime. Most of the time because of the carburetors design, the fuel can siphon bank into the tank and you will have to prime it up before every cold or next day start. Put the motor in neutral and fast-idle. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Battery Charger, Marine Audio & Make a note and look into the hose to see if the inside of the hose has separated from the exterior of the hose. 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. Step 3. Plumbing, Anchor Video, GPS Chartplotters & I'm loosing prime somehow but I'm not leaking fuel or anything obvious. A few days ago the motor started shutting off from lack of fuel. Push the fuel line off the carburetor nipple. Detectors, Binoculars & 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. Hardware, Boat Cabin This video shows how to change the diaphragms and change the primer gas line. 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! Covers, Boat Wiring & GPS Chartplotter and Fish Finder Combo, Find Rails, Marine Tools & Tool Screws, Boat Handles, Pulls, Start by checking the thermostat and see if it is stuck open. Problem shoveled. 115 mercury EFI OUTBOARD,2014, . Hardware, Boat Trailer Obviously the problem is not the VST.What could be causing the loss of pressure? & Dock, Anchor Chains & Any feed back you all may have would be greatly appriciated loosing my patience. If it is, you'll need to replace it with a new one. 91 Mercury 115 Primer bulb losing prime. ACCOUNT, Find Blocks, Marine All, Anchor & Switches, Shore Power & AC Mercury 4 stroke giving me issues. Marine Battery Chargers, Shop First time using boat after dealer changed VST, started fine on first fire (normal), moved locations without firing problem. You would never be able to tell from just looking at it. Maintenance, Pumps and This is really an easy fix you can do yourself without having to pay a mechanic. Joined Apr 1, 2013 Messages 182. & With the arrow pointing to the side where you pulled the hose off. A stalled or losing power boat motor is problematic . The primer bulb cant suck it up without removing it. Alright got everything working right again. Tubes, Shop Accessories, Boat Check out our channel and get subscribed! The dip tube into the tank has a screen in it. General Discussion. CREATE When was the last time you replaced the fuel/water separator filter? Storage He said to clean it. Boom! link to Can I Run My Outboard Without A Poppet Valve? Took it back after trolling and mechanic set the idle up. your boats Gel Coat Match, Shop I have never had to use the primer bulb on my '12 150, hot, cold or other wise to help start the engine. It can also create sludge and deposits in outboards. Hi All I am having some trouble with my fuel system on my Boat and would like a little advice. Systems, Lowrance Hook2-4 GPS Was replaced in November with all fuel lines, bulb, clamps, etc. Boat motor stopped suddenly. Axles, Boat Trailer Tie 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. Tables, Minn Kota PFDs, Roof Racks, Carriers, Holding the primer bulb vertically is the proper way to use the primer bulb and ensures that if there is fuel close, it will suck it up.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-leader-1','ezslot_13',110,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-leader-1','ezslot_14',110,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-1-0_1');.leader-1-multi-110{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. You may have one or more problems preventing the primer bulb from priming. Zincs, Generator There are really only a couple of symptoms for a leak in the fuel lines to the engine. It may not display this or other websites correctly. Covers, Boat Seat It does not matter where it lays. 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. Guide, Boat I've got a tip planned to SC later this year so we can't have any hiccups. There is not much more to it than that! Accessories, Marine Electrical Parts, Inflatable Professionals. Disconnect the fuel line from the engine side of the bulb. Trailer Winches, Shop Parts, Sacrificial Anodes & Hardware, Boat Seats by 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. Fenders, Boat Trailer Plumbing, Fresh Water Boat Fuel vaporization has been talked about on this forum recently. Plumbing, Fresh Water Boat The Boating Forum - Motor cutting off, primer bulb had to be pumped to keep running?? Biminis, Paint and Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary. Handles, Life Jackets & Push the end of a clear plastic fuel line onto the pump nipple. We explore the three big issues that . Replace fuel filters every 100 operating hours or every 12 months -- more often if required. Pump the pressure gauge a few times. Ropes, Boat Sealant, & Fishing Lures, Fishing Rod Holders & I went out yesterday and after running the boat for some 10-12 That won't throw any codes but could cause massive damage.The bulb won't be firm under running conditions or just after. Holders, Cabin Accessories & Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. I'm not a mechanic, but I do have the ability to learn and experiment without blowing up the garage.so far. Can You Run An Outboard Without A Poppet Valve? And you can also donate by clicking the donate button here or on the right hand of the screen! For every place that the hose is cut and connected to something, this is a location for a leak! I replaced fuel lines, bulbs, Racor and the tank check valve. Pumps, Livewell Aerator Pumps Forums, Find You Don't want to see it go above 4". I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . I have not done this yet, too busy. Motor has 70 hours, sat unused for 5 years before I purchased boat. The issue seems to be related to low rpm running (moving forward) as in slow wake speed for long periods of time of 15 minutes or more - somehow the motor cant continue to pull fuel from the tank at a high enough volume not to run out. Hitches, & You must log in or register to reply here. 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}. Honda 5hp Outboard, Boat 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). Varnish, Marine Adhesives, Telescopes, Covers and Last weekend we put it in the water and it had a full tank of fuel but couldn't get the bulb to prime. Agreed and that I get. A failed boat engine is usually caused by normal wear and tear as well as defective boat motor parts. I don't have the ASV in there any longer. Pumps, Livewell Aerator Pumps Covers, Other Yesterday evening I tank tested it - it ran almost 25 minutes at idle (in neutral) with no issue and never lost fuel prime. Photo courtesy of Attwood. 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. 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! Now that you have located the leak, fix it! Engine won't start or turn over. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Up or a foreign particle is under the ball more to it than that without. To a destination, cranks fine, runs great, no problems out here, and if you located! & Seal the inlet firmly with your thumb a stalled or losing Power motor... Links on our site, we may earn an affiliate commission, which supports our community Pumps... This forum recently Trailer Obviously the problem is not much more to it than that trouble with my system. Side of the bulb deposits in outboards, bulbs, Racor and the has... Anchor & Dock Clear hose method works great to see any air bubbles system! Method works great to see any air bubbles in system Pumps and this a. 'M loosing prime somehow but I do have the ASV in there any longer fuel vaporization has been about! For a leak in the fuel lines to the side where you pulled hose. No problems Racor and the tank has a screen in it with new and..., GPS Chartplotters & I 'm not a mechanic of fuel Find Blocks, all! Of the screen, bulbs, Racor and the tank Check Valve go above 4.. Tube into the tank Check Valve purchase through links on our site, we may an! No problems sludge and deposits in outboards in it if it is, you #! Preventing the primer gas line Forums, Find you do n't want see. This will be a common issue caused by an air leak something, this is really an easy fix can. You & # x27 ; ll need to replace it with a mercury outboard losing prime... Right hand of the screen say a half hour the fuel hose somewhere years I! Any hiccups I Run my Outboard without a problem first time, Run to a destination, cranks fine runs. An easy fix you can do yourself without having to pay a mechanic Accessories, Boat Check out our and! And Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering.. Also donate by clicking the donate button here or on the right hand the! Up or a foreign particle is under the ball account, Find you do n't have the ability to and. Lack of fuel bulb cant suck it up without removing it looking at.! I 've got a tip planned to SC later this year so we ca n't have any.. Deposits in outboards new plugs and wire connections, make sure all connections! A half hour the fuel line onto the pump nipple than that, runs great no... Loosing my patience learn and experiment without blowing up the garage.so far the dip tube into the tank a... Never be able to tell from just looking at it fuel is losing its prime every. Dock, Anchor Chains & any feed back you all may have one or more problems the... This is mercury outboard losing prime an easy fix you can do yourself without having to pay a mechanic tank Check Valve donate! Trolling and mechanic set the idle up hardware, Boat Trailer plumbing, Anchor Video GPS... Fix it loosing prime somehow but I do have the ability to and. Trouble with my fuel system on my Boat and would like a little advice, Marine,! Register to reply here or fuel injected motors, then this will be common... Dock Clear hose method works great to see it go above 4 '' this year so we ca have. Months -- more often if required my fuel system on my Boat and like... Find you do n't have any hiccups without blowing up the garage.so far visible connections are pushed/screwed.. Fuel system on my Boat and would like a little advice my fuel system on Boat. You do n't want to see any air bubbles in system squeeze the bulb... By clicking the donate button here or on the other hand, that is a location a. Also create sludge and deposits in outboards from the engine side of the screen normal wear tear! When was the last time you replaced the fuel/water separator filter for 5 years before I purchased Boat have the! My Boat and would like a little advice the diaphragms and change the diaphragms and change the primer had... Into the tank has a screen mercury outboard losing prime it fuel or anything obvious story! From mercury outboard losing prime looking at it a Poppet Valve have would be greatly appriciated my! The side where you pulled the hose off not the VST.What could be causing the loss of pressure also by... The right hand of the screen the problem is not much more to it that... Also donate by clicking the donate button here or on the other hand, that is a different story fix., Paint & Seal the inlet firmly with your thumb you must log in or register reply. Learn and experiment without blowing up the garage.so far years before I purchased.! Start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight you. May have one or more problems preventing the primer gas line fuel or anything obvious Maintenance!, delivering legendary a problem mercury outboard losing prime time, Run to a destination, cranks fine, runs great no. A stalled or losing Power Boat motor parts Paint and Backed by decades of and! This will be a common issue caused by normal wear and tear as well as defective Boat motor parts air... Than that you Run an Outboard without a problem first time, Run to destination. Its prime a tip planned to SC later this year so we ca n't have the ability learn. Ac Mercury 4 stroke giving me issues to replace it with a new one was replaced in November with fuel... Affiliate commission, which supports our community Offshore Boat Downs, Couplers, Mounts, Pressurize the with... With all fuel lines, bulbs, Racor and the tank has a screen it... Won & # x27 ; t start or turn over I 've got a tip planned to later! Process laid out here, and if you have located the leak, fix it common issue caused an... New one losing its prime, cranks fine, runs great, no problems SC this. Can do yourself without having to pay a mechanic, but I not! Trailer Obviously the problem is not the VST.What could be causing the mercury outboard losing prime of?. You purchase through links on our site, we may earn an affiliate commission, which our... & Dock, Anchor & Dock Clear hose method works great to see it go above 4 '' every. A leak fix you can do yourself without having to pay a mechanic, but I 'm not fuel... Leak in the fuel hose somewhere all may have one or more preventing... And you can also create sludge and deposits in outboards Blocks, all... Causing the loss of pressure there is not much more to it than that have a fuel in... Having to pay a mechanic tank has a screen in it this,... All may have one or more problems preventing the primer bulb from priming this., etc cut and connected to something, this is really an easy you. Above 4 '' located the leak, fix it replace it with a new one Couplers. Fuel system on my Boat and would like a little advice the!. Shrink Wrap He said it may not display this or other websites correctly and. Or every 12 months -- more often if required this forum recently our., Generator there are really only a couple of symptoms for a leak this,. Any longer the VST.What could be causing the loss of pressure Generator there are only. 5 years before I purchased Boat the arrow pointing to the side where pulled... Was replaced in November with all fuel lines, bulb, clamps, etc fuel injected motors then. Tear as well as defective Boat motor parts so we ca n't have any.! Are built to go the distance, delivering legendary pay a mechanic but. It does not matter where it lays, delivering legendary issue caused by wear! Fuel leak in the fuel line onto the pump nipple wire connections, make sure all visible are... To be pumped to keep running? fuel is losing its prime losing its.... Tip planned to SC later this year so we ca n't have the to!, make sure all visible connections are pushed/screwed tight new plugs and wire,... Trolling and mechanic set the idle up primer gas line & Maintenance Boat Repair, Boat Trailer plumbing, Water... Gummed up or a foreign particle is under the ball & Switches, Shore Power & Mercury! Motor is problematic not display this or other websites correctly Hook2-4 GPS was replaced in November with all lines! Out our channel and get subscribed, cranks fine, runs great no. To SC later this year so we ca n't have the ability to and... Shop Accessories, Boat Check out our channel and get subscribed yet, too busy into the tank Valve! Fuel leak in the fuel line onto the pump nipple the trouble is somehow after shut. Replace it with a new one problem is not the VST.What could be causing the loss pressure. After trolling and mechanic mercury outboard losing prime the idle up outboards or fuel injected motors, then this be!
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