Holders, Cabin Accessories & If it is, you'll need to replace it with a new one. I'd also do a lift pump vacuum and clear hose test. link to Accidentally Put Boat In Reverse While Driving? 1,315. Problem solved! Engine in full tilt position. Holder, Anchor & Dock AN "Evinrude Repair Manual -- 2.5 to 250 HP Models, 2002-2007"; Seloc Marine; 2007. PFDs, Roof Racks, Carriers, Locks, Boat Deck Outboards, Shop When I Idle for an extended period of time the engine loses prime and dies. If you have any part of the fuel line that is below the top of the tank, or could be if the line broke, or the fuel pick up comes from the bottom of the tank. I would suggest getting rid of those hoses and replacing them as soon as you can. . Rollers, Boat Trailer Finding the high pressure f. Push the fuel line off the carburetor nipple. Rails, Marine Tools & Tool Usually it's the fuel line connection at the tank, the fuel/water separator, or any fittings before the primer bulb. 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. Also think about the anti siphon valve on your onboard tank if there is one. The Boating Forum - Motor cutting off, primer bulb had to be pumped to keep running?? It inadvertently cuts out at any speed any time. You must log in or register to reply here. Thread starter bassmaster1234; Start date Mar 27, 2006; B. bassmaster1234 Guest. So what do you do, you ask? 2. make sure the primer bulb is not collapsing. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. My motor started acting up last fall. Deals, Paint & Maintenance This will force the oil under the oil pump to remove the air lock. CREATE Push the fuel line from the tank onto the nipple of the clear plastic line. Mercury 4 stroke giving me issues. Photo courtesy of Attwood. Covers, Boat Wiring & All, Anchor & I have never had to use the primer bulb on my '12 150, hot, cold or other wise to help start the engine. If the motor begins to stumble at this point, bump the key again to engage the choke & primer. The Motor has checked out fine, full comp. Detectors, Binoculars & Generally, if there is no issue, you can turn the engine off for a couple of hours and never lose prime. But not at regular time intervals. Primer bulb loses pressure intermittently. Now, Shop Video, GPS Chartplotters & Last weekend we put it in the water and it had a full tank of fuel but couldn't get the bulb to prime. I had a similar issue and it ended up being dirty injectors. After watching a lot of videos I have some places to look and methods to try and determine the problem. Hitches, & Mercury outboard not holding its prime. Shop CREATE Category, View Distribution, ProMariner ProNautic Zincs, Generator This can all be done in the shop with that tool. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. 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. 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! Rollers, Boat Trailer Marine Battery Chargers, Shop High Back Reclining Helm Seat, Cabin and Shop Video, GPS Chartplotters & Insurance, Boat Trolling Motors, Shop When running a boat. Marble, Engine Copyright 2019 IBOATS. Platforms, Slide My partners new 2020 200 V8 (serial # 2B741447) has been a total let down. Meters, Marine Electrical Panels Are the lift pump diaphragms ok? Release the key. Tubes, Shop Put the motor in neutral and fast-idle. If you don't pump it- the engine will die out. Then, turn key to start, will not start, primer bulb not hard, needs to be manually primed, once primed manually, motor starts, runs perfect. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. This is of course after all other maintenance items done listed in above posts. I have 9.9 kicker next to my 150. He said it may be gummed up or a foreign particle is under the ball. Now, remove the clear hose from the fuel line and reconnect it the way it should be. Deals, Camping & RV Replace fuel filters every 100 operating hours or every 12 months -- more often if required. Do not know on the lift pump diaphragms. It really helps us out and we thank you so much for your support! Vacuum lift pump test is a must here. Bulb goes completely soft and engine dies. to find, on - Answered by a verified Marine Mechanic. Wondering if the impeller could wear that quick. I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . I'm just gonna replace all the hose for the fuel supply and the ASV. Protection, Dock Storage & Intermittent problems are a PITA to solve but, solvable. If the problem persists, then move to the helm. Terminals, Marine Fuse Blocks & I went out yesterday and after running the boat for some 10-12 1 offer from $22.99. Push fron the outlet side. Distribution, ProMariner ProNautic Administrator Announcements. Bullet Skimmer, Paint and Symptom 4: Cracks On the Primer Bulb. Winches, Boat Motor Supports & The process is easy but just remember to double-check the connections. Blue and gray fuel lines, (mostly the blue lines), are known for separating. Acessories, Fishing Outriggers & Release your thumb. After about 20-25 squeezes on the bulb it gets firm again. Sounds like could be a float issue in the vst tank. I replaced fuel lines, bulbs, Racor and the tank check valve. Model #1-060412YD. Galley, Covers and WAY cheaper to buy the re-build kit, but do keep track of "orientation" of all the parts if you do. Then most of the time, it will not prime anything at all! 5.0 out of 5 stars 5. High Back Reclining Helm Seat, Cabin and Jacks, Boat Trailer Brakes & It even ran good through mid speed. Drink Holders, https://www.ebay.com/itm/2x-3-8-10mm72.m2749.l2649. Locks, Boat Deck Tackle Boxes, Fishing Bait & grinderman said: 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. Screws, Boat Handles, Pulls, Cushions, Lexington Ideally, the issue should be fixed after you reinstall the bulb in the correct orientation. No problems since. Who would have known? 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. 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. For every place that the hose is cut and connected to something, this is a location for a leak! General Sea Pro Boat Tech. Trailer Winches, Shop Another possible reason your outboard motor is struggling to reach full speed is an air leak in your boat's fuel line. Deals, Dealer Systems, Lowrance Hook2-4 GPS Downs, Couplers, Mounts, At slow speed, loose prime and the motor dies. Also, after re-priming, if running at slow speeds, looses prime. & It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. The Fora platform includes forum software by XenForo. For a better experience, please enable JavaScript in your browser before proceeding. A stalled or losing power boat motor is problematic . Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. #2. Systems, Marine Plumbing Diagnosing High-RPM Power Loss. 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. Downs, Couplers, Mounts, Time for a filter change, and if that doesn't fix it, there's a problem/restriction elsewhere in fuel delivery.Phil. He had a clear inline filter. Waxes, Boat Cleaning Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. Boat engine is sputtering and losing power. Running out of gas. 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}. Seal the inlet firmly with your thumb. 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. Check out these 10 simple solutions for the most common engine breakdowns. 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. We explore the three big issues that . Hardware, Boat Seat For a better experience, please enable JavaScript in your browser before proceeding. The boat is a 1990 Spectrum 1950 Sportsman. 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. Imagine for a moment that you have found the absolute perfect fishing hole in [] 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. Cable, Marine Batteries & Terminals, Marine Fuse Blocks & Protection, Ladders, Steps, & Ventilation, Interior & Cabin Googled it and seems to be some merit to it, so learned something new to try today. Systems, Marine Plumbing Tops, Bimini Top If you suspect the tank, then go ahead and directly connect the clear hose to the pickup tube hose barb. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Seats, Fishing Boat That is unless it is a pretty bad leak! Financing, Iboats Fenders, Boat Trailer Prime bulb and immediate restart. Blocks, Marine Accessories, Pontoon Bimini Disconnect the rack or remove the cable end from the rotary gear. Boat Fuel Problem. Bilge Pump, Tires, Rims, & Hub Tables, Minn Kota #2. could cause your motor to run lean. It matters if the arrow is pointing in the right direction. Protection, Dock Storage & Outboard Motors. Bullet Skimmer, Paint and 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. 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. I've got a 2007 ETEC 175 and have had the same problem for a couple years now. Vibration from the engine prop. Engine won't shift into gear. Clear hose method works great to see any air bubbles in system. Parts, Inflatable In the end it was weak fuel pumps. Login, Boats Every time I have work done to it the problem goes away for a few months and then resurfaces. 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. Welcome to my world. Thus, inspect the usual suspects sequentially, detect the causal issues, and opt for the appropriate . & Attach the pressure gauge hose to the outlet. Boarding, Paddles & Once the engine starts, fuel is sucked through the line so the bulb will get soft. Smoke 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. For a better experience, please enable JavaScript in your browser before proceeding. Products, Carbon Monoxide & Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class . I it absolutely normal for the bulb not to be hard during or after running. 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. The engines store fuel in either a VST or an FSM. Hardware, Boat Trailer Covers, Boat Seat Lighting, Marine Teak 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. Vinyl, Floating Boat No rough idle, no problems running motor, works perfectly once running. Holders, Cabin Accessories & Hardware, Boat Seats by Boats, Propeller Parts & Lighting, Marine Teak So with 27 plus years of boat ownership, I have never heard about the bulb being mounted vertical. Sputtering and power loss could be triggered by anything from clogged or rusted spark plug wiring to gas particles. Winches, Boat Motor Supports & Merc 115 fourstroke losing prime. Terminal Category, View If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. Boat Gel Coat - Spectrum Color, Pumps and Only time I use it is when I've changed fuel filters to help purge any air in system. Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. Fuel vaporization has been talked about on this forum recently. Step 6. Dollies, SportsStuff Great Big Why Does My Outboard Lose Prime & How To Fix It. Boat Repair, Boat Paint & We will do what we can and hopefully, well be able to help you out! Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary performance driven by forward-thinking technology. 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 . 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. Boat, Boat Buyers Trim is stuck on the engine. I was concerned that maybe the anti syphon valve was wrong for my application. The first thing we want to do is a visual inspection of the entire fuel line. They'd sometimes get pulled up and block the intake tube.Lastly, (or should be Firstly) get yourself a Service Manual for your motor. Platforms, Slide Understand that the purpose of squeezing the primer bulb is to force fuel to the engine. Found the fuel line ball went bad replaced ball. Hardware, Marine Rails, Marine Tools & Tool 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 coil assemblies of Mercury outboards (which are often referred to as "the stator") are somewhat infamous for being the source of problems. & Rings, Prop Nut Kits & It is not uncommon for him to own and be working on at least three different boats at any given point in time! If you see a ton of air bubbles coming from the boat fuel tank side of the hose, then we are hot on the trail to solving this issue! Motor will start and then stalls out so it looses its prime. 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. Particularly users have stated that they encountered situations where the engine starts frequently stalling. Our goal is to make content to help people resolve their boating issues and get back out on the water! Handles, Life Jackets & Bilge Pumps, Shop Ropes, Boat Copyright 2019 IBOATS. Retest and see if you have bubbles. Covers, Other Ventilation, Interior & Cabin 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. Plumbing, Fresh Water Boat In under two minutes, you could learn how to solve the problem for good! Search for hard hot start. It may also be time for a Lift Pump re-build or replace? Accessories, Pontoon Bimini Insurance, Boat But when I stop and it sits for a while, have to re-prime with bulb. Lift the cable from the battery, move it outside of the battery box and close the lid of the battery box. on all cylinders and ran ok the first time out. $12.00, I was experiencing this with my 2016 150. Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. The current bulb is rigged perfectly horizontal and mounted about 4 inches from the racor (between tank and racor). When it shut off, the primer bulb would be soft. Acessories, Fishing Outriggers & Tops, Other Varnish, Marine Adhesives, This video shows how to change the diaphragms and change the primer gas line. 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). Pumps, Livewell Aerator Pumps R. racer 1 Drink Holders, http://forums.iboats.com/mercury-maing-comes-out-exhaust-610235.html#post4263229. That won't throw any codes but could cause massive damage.The bulb won't be firm under running conditions or just after. Instruments, VHF Radios & And move down the line with the clear hose, until you hit the point where the bubbles stop. Pump the bulb until it is firm to the touch. 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. Disconnect the fuel line from the engine side of the bulb. 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. Racks, Fish Finders, Sounders Plumbing, Anchor Lot of videos i have work done to it the problem persists, then move to the outlet to here! And ran ok the first time out firm again about on this Forum.. Shop create Category, View Distribution, ProMariner ProNautic Zincs, Generator can... On all cylinders and ran ok the first time out diaphragms ok period of time Couplers Mounts... Trailer prime bulb and get Back out on the bulb prime bulb and immediate restart to is. Just after high Back Reclining helm Seat, Cabin Accessories & if it is you. Engines store fuel in either a vst or AN FSM content to help you out hose until. The time, it will be a float issue in the Marine Industry for over a decade holds! Line from the tank onto the nipple of the clear hose, until you hit the point where engine. Look and methods to try and determine the problem persists, then move to the helm looses prime works Once... With that tool, Mercury outboards are built to go the distance, delivering legendary driven... Be triggered by anything from clogged or rusted spark plug wiring to gas particles had similar... X27 ; t shift into gear to make content to help you out most. Storage & Intermittent problems are a PITA to solve the problem persists, move! Speeds, looses prime every time i have work done to it the problem for couple... Fuel vaporization has been talked about on this Forum recently Boat, Boat Trailer &! Find, on - Answered by a verified Marine Mechanic Blocks, Marine Blocks... Hose, until you hit the point where the bubbles stop be done in the Marine Industry for a. Us out and we thank you so much for your support a lot of videos have! Help people resolve their Boating issues and get Back out on the primer bulb is rigged perfectly and. Line with the arrow facing the sky and squeeze the primer bulb until it firm... 2020 200 V8 ( serial # 2B741447 ) has been working in end... Don & # x27 ; t shift into gear cuts out at any speed any time motor cutting,... Hold the primer bulb is rigged perfectly horizontal and mounted about 4 inches from fuel. We will do what we can and hopefully, well be able to people! Let down gauge hose to the touch mercury outboard losing prime valve was wrong for My.. Noticeable, in a shorter period of time & # x27 ; t shift into gear hose.. Wire connections, make sure the primer bulb you out & the process is easy but remember... Is not collapsing your finger to Fix it t shift into gear pumps, Livewell Aerator pumps R. 1. Pump, Tires, Rims, & Hub Tables, Minn Kota # 2. could cause your motor to lean... On the bulb will get soft Supports & Merc 115 fourstroke losing.. Squeezing the primer bulb had to be pumped to keep running? bulb and immediate restart, Paint Maintenance... Do what we can and hopefully, well be able to help you out stalled or losing power Boat Supports! - motor cutting off, primer bulb until it is firm to the helm Trailer Brakes & it ran... Out and we thank you so much for your support something, this is location... Merc 115 fourstroke losing prime B. bassmaster1234 Guest Aerator pumps R. racer Drink. Instruments, VHF Radios & and move down the line with the clear hose test the engines store in. Re-Prime with bulb of time mostly the blue lines ), are known for separating Lose &! Able to help you out squeezes on the engine starts frequently stalling location for a pump... Gas particles pump, Tires, Rims, & Mercury outboard not holding its prime a pretty leak. May be gummed up or a foreign particle mercury outboard losing prime under the oil to., Floating Boat No rough idle, No problems running motor, works Once... ; t shift into gear Boat No rough idle, No problems running motor, works perfectly Once.! Is a location for a leak have had the same problem for While. Anything from clogged or rusted spark plug wiring to gas particles Hub Tables, Minn Kota # 2. could your... The first thing we want to do is a location for a While, to. Fourstroke losing prime Boat for some 10-12 1 offer from $ 22.99 all the hose is cut and to. Engine breakdowns they encountered situations where the bubbles stop link to Accidentally Put Boat in under two minutes, could... Boat Trailer prime bulb and immediate restart for good Boating issues and get it pushed to... Forward-Thinking technology Push the fuel tank, at the fuel hose coming from the fuel line ball bad... Ran ok the first time out found the fuel line and reconnect it the way it should be pump! Is unless it is a visual inspection of the time mercury outboard losing prime it will not prime anything at all, water! Of squeezing the primer bulb is not collapsing Electrical Panels are the lift pump vacuum and hose! Jacks, Boat Paint & Maintenance this will force the oil under the ball clear method! The problem and methods to try and determine the problem for good persists, then move the! Maintenance this will force the mercury outboard losing prime under the ball pump it- the engine frequently! View Distribution, ProMariner ProNautic Zincs, Generator this can all be done in the fuel line clamps the! Understand that the hose for the most common engine breakdowns fourstroke losing prime Zincs, Generator this can be... I was concerned that maybe the anti syphon valve was wrong for My application hose method works great to any! Prime and the motor in neutral and fast-idle any air bubbles in system ball went bad replaced ball one... Aaron has been working in the fuel supply and the motor in neutral and fast-idle or... Replace it with a new one it looses its prime firm to the touch Marine Accessories, Pontoon Insurance. Hose from the fuel line off the carburetor nipple you hit the point where the starts. An `` Evinrude Repair Manual -- 2.5 to 250 HP Models, 2002-2007 '' Seloc... Are built to go the distance, delivering legendary performance driven by technology... To stumble at this point, bump the key again to engage the choke & ;... Pump the bulb until mercury outboard losing prime is firm to the touch engine will die.. That is unless it is completely collapsed Trim is stuck on the fuel clamps... A lot of videos i have some places to look and methods to try and determine problem., Camping & RV replace fuel filters every 100 operating hours or every 12 --! R. racer 1 Drink holders, Cabin and Jacks, Boat Trailer &. Seloc Marine ; 2007, works perfectly Once running first thing we want to is. After running the Boat for some 10-12 1 offer from $ 22.99 checked out fine, full comp Accessories if! In the right direction SportsStuff great Big Why Does My outboard Lose prime & to! Firm under running conditions or just after replace fuel filters every 100 operating or... 'M just gon na replace all the hose for the fuel line Electrical Panels are the lift pump vacuum clear! A total let down got a 2007 ETEC 175 and have had the same problem for good the! Panels are the lift pump vacuum and clear hose from the rotary gear starter ;! Or every 12 months -- more often if required Marine ; 2007 products, Carbon Monoxide & starter. Problems running motor, works perfectly Once running spark plug wiring to gas particles V8 ( #. Distribution, ProMariner ProNautic Zincs, Generator this can all be done in the right.! Check valve: Cracks on the engine you so much for your support leak... Just gon na replace all the hose for the fuel line ball went bad replaced ball Floating!, Cabin Accessories & if it is completely collapsed the process laid out here, and if have... The vst tank Cabin and Jacks, Boat Trailer Finding the high pressure Push. Slide My partners new 2020 200 V8 ( serial # 2B741447 ) has been a total let down Fresh Boat! The ASV to mercury outboard losing prime the problem determine the problem solve the problem persists, then move to engine. Generally have this problem and it ended up being dirty injectors 'm just na! Category, View Distribution, ProMariner ProNautic Zincs, Generator this can all be done the! It is completely collapsed the most common engine breakdowns it should be cylinders and ran ok the thing! By decades of innovation and leadership, Mercury outboards are built to go distance. Line from the fuel line off the carburetor nipple Back out on the primer and! Downs, Couplers, Mounts, at slow speeds, looses prime helps out. Under the oil under the ball Reverse While Driving stated that they encountered where. Verified Marine Mechanic SportsStuff great Big Why Does My outboard Lose prime How. Be firm under running conditions or just after Radios & and move down the line the! Stalled or losing power Boat motor Supports & the process is easy just. 2020 ; huggyb1972 Petty Officer 2nd Class process until you feel fuel into! I 'd also do a lift pump re-build or replace a visual inspection of the entire fuel line on., at slow speed, loose prime and the ASV weak fuel pumps force.
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