thanks. Winches, Boat Motor Supports & Re: hesitation/stalling on slow acceleration, CREATE Check the fuel line and it had a crack and was pulling air not gas. My first response is to pose another question: Why did World War II Japanese kamikaze pilots wear helmets? Well move straight to the fuel tank pick up and see whats going on there. Application is as simple as pouring the allotted dosage into your fuel tank based on the capacity of fuel. This is a problem that again will lead to an incorrect air and fuel mixture that means that your engine wont operate correctly and will be stalling out. To avoid it, I have to bring down the speed really slow. Once removed, be sure to look for any signs of damage. (being mind full of the nearby sparking of the lose plug wires of course). Detectors, Binoculars & You might consider using a wire brush for a significant result. Mar 16, 2011. Jacks, Boat Trailer Brakes & You definitely want to perform regular maintenance on your boat to make sure that you arent using old gas; however as long as there is no damage to the system then this can be a somewhat easy problem to solve. Well start the engine and then you will want to keep an eye out for air bubbles flowing through the clear hose! Meters, Marine Electrical Panels There is a more complex troubleshooting method where we identify the kind of vacuum the fuel pump has. Boat Gel Coat - Spectrum Color, Pumps and Your outboard engines ignition system is responsible for igniting the gas, firing up the engine, and keeping it running. Then I turn off the choke. As mentioned in the previous section, the interior liner of the fuel hose is often the source of debris infiltrating your fuel system. Oars, Wakeboard, Wakesurf & Please someone help me and tell me whats happening this two engine? Request The Next Technician's Tuesday Video Topic. User since 6/19/09. However, if this doesnt solve the issue, the next step is to check the ECM output peak voltage, as well as the condition of other electrical components like the electric oil pump and oil level sensor. If not rectified within time, it will end up causing engine failure if it goes bad.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'takeocean_com-mobile-leaderboard-1','ezslot_18',125,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-mobile-leaderboard-1-0'); When your boat engine starts stalling when accelerating, you should consider looking at include; When you give these easy fixes a try and fail to work, you might consider performing some mechanic check and working on it. My 2006 triton sf 186 Hardware, Boat Seat I can idle (sometimes it's rough) and putt around, but the engine stalls when I accelerate above 5-6 mph. Furthermore, you will want your boating experience to be memorable every time, and to achieve that, you will need to keep your boats engine in shape. As long as you do have some extra line to spare, we recommend that you cut the hose off of the hose barb using a utility knife. You need to allow it the time to stabilize to . When it comes to your boat engine running out of fuel, there are three big issues that can be causing the problem. All, Anchor & Covers, Boat Cover My name is Kern and Im passionate about boating. I have a 2002 Mercury Outboard 115 EFI 4-stroke that sputters and stalls when I bring the throttle from high to low/idle rpms. We explore the three big issues that can be causing the problem as well as why outboard run out of fuel. Acessories, Fish Cleaning Marble, Engine This increases the friction and causes the bog, preventing it from rotating to propel your boat through the water. Once the leak is found, replacing the gasket, rubber intake or manifold components responsible for the leak will fix the problem. Deals, Boat Seats Remove the gasket under the carburetor, then remove the screws on the bottom of the carburetor, and pull the bottom off. This problem is often experienced by boat owners who have their boats stored on land and away from water. It seems to idle fine and shifts into gear fine. My symptom is that the motor stall when I try to accelerate. Number one, when you start the motor you'll notice that the rpm goes up to around 11 to 1200 rpm and immediately starts coming back down to the 6 to 700 rpm idol speed. Parts, Rule 1500 GPH Automatic Quick diagnosis showed the problem and was a simple fix. Justin Chen is a freelance writer and photographer with 6 years of professional experience in outdoor activities, extreme sports, travel and marketing topics. Accessories, Boat It could be fuel, dirt, or oil its just any substance that could get onto the electrodes in your spark plug that would prevent the spark plug from producing a spark that is strong enough to ignite the air & fuel to actually start your engine. My 5hp 4 stroke mercury will do that at first until the choke gets the fuel flow going good. If all of these systems check out okay, you likely have an issue with the carburetor which will require cleaning or rebuilding. Furniture, Boat Seat Pedestals & It could be fuel starvation. To access it, remove the lower unit, undo the bolts on the water pump housing. It really helps us out and we thank you so much for your support! Fortunately, this one can be easy to fix because you may need to simply clean up the airflow sensor or have it replaced to get your boat engine performing at top levels again. (7 Reasons)if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'takeocean_com-medrectangle-3','ezslot_13',102,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-medrectangle-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'takeocean_com-medrectangle-3','ezslot_14',102,'0','1'])};__ez_fad_position('div-gpt-ad-takeocean_com-medrectangle-3-0_1');.medrectangle-3-multi-102{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}. Communication, Auto Pilot When installed, you can observe the presence of contaminants from foggy lines, air bubbles, and discoloration. Many boat owners find that their boat engines are stalling when they use their engine for the first time in a new season. It is not uncommon for him to own and be working on at least three different boats at any given point in time! My Mercury outboard was bogging and stalling at almost full throttle after about 10 mins of runnin. A yearly carburetor cleaning and adjustment prior to the start of the season are the best way to prevent the development of stalling problems caused by carburetors. My Mercury 200 2 strokes are 1999 and had never been replaced . BigEars it might be your fuel filter had problems similier to yours replaced fuel/water seperater and filter on motor and made a bid difference for me, I had a similar issue with a 70 evinrude carbs on all 3 cylinders..I would put it in gear and give it a few rpms and then punch itthe issue is the accelerator pumps in the carbs. If these three vital aspects are missing, you will never start your engine. I have a 2000 Johnson 70 hp oil injected outboard. Starters, Marine Solar Power If you suspect that you have bad gas, completely remove it from your fuel tanks, fuel lines, primer bulb, and from the rest of the outboard motor. If the fuse isnt blown. The Right Fit, Shop By Persons who are not familiar with marine engine repair and who have not been trained in the recommended servicing or installation procedures should have the work performed by an authorized marine mechanic. Also, be sure to adequately secure any hose clamps to prevent air, water, or debris from entering the engine. Systems, Marine Plumbing if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'takeocean_com-leader-2','ezslot_10',126,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-leader-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'takeocean_com-leader-2','ezslot_11',126,'0','1'])};__ez_fad_position('div-gpt-ad-takeocean_com-leader-2-0_1');.leader-2-multi-126{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}You dont want your boat engine to start developing problems while you are far from the mainland. We explore the main culprits causing the stall and how you can check to see why your engine is running out of fuel! His professional work experience includes publication with KOMO 4 News Seattle, Fisher Interactive Network, and Demand Studios. Systems, Lowrance Hook2-4 GPS You must log in or register to reply here. Re: New Yamaha 150 Stalls when shifting. The fuel filters primary purpose is to strain out any debris and dirt that may reach the engine, but the fuel filter itself can become blocked if there is enough debris. Fuel filters help reduce this problem by filtering particles from the fuel before they can reach small, easy-to-clog lines. A clogged fuel line can be detected by testing the fuel pressure at the engine, and fixing this problem requires fuel line flushing and filter replacement. Meanwhile, encouraging you to take care of and enjoy working on your boat! Some of the causes related to faulty spark plug include dirt, fuel, or oil. A stalling boat engine is likely caused by: A bad spark plug Clogged air box Bad fuel Low compression Bad airflow sensor Bad carburetor Damaged fuel line Basically, you're going to have to isolate the problem and try to figure out what is giving you this massive headache. Tune it rich. Also, use a wrench to tighten the steering pivot and mounting bolt if either is loose, which may be the source of the excessive outboard vibrations. it would stall and bog while trying to get underway. compression and vacuum drives the fuel pump. Tops, Bimini Top This process takes maybe 30-40 seconds after startup. If your boat has piston rings that get worn or it has old cylinders or leaking valves, you may end up with low compression in your motor. A result of dirt, and it is also referred to as a clogged flame arrestor. This occurs when your boat motor is fuel injected; it occurs when you have a dirty or just plain not-working airflow sensor. This, in turn, causes the fuel pump to work harder and puts strain on your motor. I have mercury seapro 150hp x2 One clear sign that your fuel filter is the culprit of your outboard bog is if you notice the plastic covering degrading and darkening over time. The purpose of this modification is to give you a clear window on whether air, water, or debris is present in your fuel. We can even pull the pump off of the engine to bench test it! Popular Mechanics: How To Unclog An Outboard Motor. Accessories, Pontoon Bimini Troubleshooting an electric low-pressure pump can be as simple as turning the key switch to the on position. Why is your outboard not reaching top speed?Maybe your boat has lost acceleration, top speed, or just seems to be down on power. I replaced the spark plugs (the old ones looked normal and didn't really need replacing) and cleaned the fuel filter, and that had no effect. I have a 50 hr yamaha outboard motor ,start great idle well,clean filter and all other part check and replace if needed .. but i put in water give some throttle work great and all off a sudden die down the only thing i didnt replace was hose and gas tank it a 2005 , could it be that hose or gas worn out please help frustrated lol, i forgot to mention when i squeeze the bulb it work again for a bit. Why wont my boat motor go full throttle? And they are a little easier to work with.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'bornagainboating_com-medrectangle-4','ezslot_5',107,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-4-0'); For these pumps, you can simply pull the fuel hose off of the output side. Plumbing, Anchor A loss of vacuum pressure can also be detected, during acceleration, with a vacuum gauge attached. All of these kinds of problems can mean that you may want to take a look at your entire engine system if you start to experience them from time to time. If it takes two hours to cross a lake and you have 40 minutes of fuel, you are going to need to fuel up whether it's raining or not. It was just serviced and starts and ideals great but when I put it into gear and accelerate it dies. In this video from Boats.net. At this point in troubleshooting though. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[580,400],'bornagainboating_com-mobile-leaderboard-1','ezslot_24',114,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-mobile-leaderboard-1-0'); Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. Deals, Pumps & Plumbing This makes no sense whatsoever. Boat, Boat Buyers Fishing Lures, Fishing Rod Holders & my motor cuts off right after I put it in gear. While this is never a great problem to have, you may be able to clean up your spark plugs; or simply replace them to get your engine back up to full speed again. Accessories, Marine DC Power Plugs Accessories, Marine Electrical Outboard engines, as with any internal combustion engine, require air, fuel and spark to maintain adequate combustion throughout the power band. You have the fuel tank pickup in the tank. Problems with the delivery of any of these combustion components can cause an engine to stall while under acceleration. GPS Chartplotter and Fish Finder Combo, Find If you have an electric motor, you may need another person to crank the engine over while you twist your throttle position open. Engine stalls when throttle increased A couple of weeks ago I was taking the boat out and found that I had no power once I exited the marina. Axles, Boat Trailer Tie Check the gap on all the spark plugs. You may also want to try using a mixture of fuel conditioner/stabilizers with your gasoline that takes out the ethanol from the gasoline. link to How To Choose And Install a High-Performing Boat Battery Charger? Nowadays, most manufacturers use shut-off valves on the water separators and have the lines above the top of the tank. I took it off and shook it, didnt hear anything but changed it anyway. My engine will only idle when I give it the gas , very low idle. As it attracts moisture, it will end up mixing with gasoline, which, in turn., will dilute the gas, messing the mixture causing your engine to produce a sound like it is operating while in real sense its not.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'takeocean_com-narrow-sky-1','ezslot_20',111,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-narrow-sky-1-0'); To ensure that you are not using old gasoline, you should consider performing regular maintenance on the engine boat. New York, NY 10001, Hours But as soon as I slow down its back to it. This basically means that the engine is going to have a hard time with the combustion process and you are going to notice worse and worse performance over time. We also participate in programs from eBay, CJ, Clickbank, ShareASale, and other sites. If your gasoline is mixed with ethanol, it is more likely to attract moisture over time. The truth is that when your outboard will not throttle up, theres plenty you can do to fix the most common issues and improve performance once and for all. But it starts. Add another reason to your list. Software, Digital Accidentally Put Boat In Reverse While Driving? A stalling boat engine may or may not give you any warning. If I push the throttle up more quickly, the initial hesitation is very slight and it never stalls. You wont be able to maneuver in a boat that doesnt have a working engine, so this is a pretty serious topic. I move the throttle forward but there is nothing there. Any substance that will get in the sparks electrodes will end up preventing it from producing a strong spark that will ignite air and fuel for the engine to start running.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'takeocean_com-large-mobile-banner-2','ezslot_7',108,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-large-mobile-banner-2-0'); Fortunately, this is not a significant problem since you can clean the spark plug or consider replacing them, allowing your engine to start functioning as usual. And our first reaction is to pull out of gear. Marine Battery Chargers, Shop Basically, this means that there is something creating an issue with the way in which the spark plug operates normally. Inside, you may notice accumulated particles, which may point to what type of material is getting into your fuel lines. Tubes, Shop You may experience hard starting when the engine is hot or cold, an increase in fuel usage and lack of power when accelerating. It would be best if you considered staying on top when it comes to low compression in the boats engine to help in preventing it from becoming faulty and stalling with accelerating.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'takeocean_com-mobile-leaderboard-2','ezslot_19',113,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-mobile-leaderboard-2-0'); You may also like: Simple And Inexpensive Boat Security While You Are Away. If the ratio of fuel to air becomes too high or too low, the engine will run poorly, especially while accelerating. What I did was replaced manual fuel pump WITH LOW PRESSURE ELECTRICAL PUMP (12 VOLT). This is a common cause within various areas. If youve got any questions or comments, let us know by subscribing to our YouTube Channel! Hardware, Boat While clear line may not last as long as rubber hosing (around one year before needing replacement), clear lines benefits outweigh its drawbacks. More of the interior liner will degrade over time, causing repeated issues. Deals, Camping & RV You notice a lack of power when you try to accelerate. However, you may have Take The Ocean was started because we love all kinds of water activities. Seats, Fishing Boat The persistent stalling of your two-stroke engine can be caused by a variety of things. That means you have an unreliable motor and that can leave you in an extremely dangerous position depending on where you are in relation to where you started. Blocks, Marine Spark plug fouling can be detected by removing the spark plugs and comparing them with a plug color chart. Cable, Marine Batteries & This is one of the biggest reasons to always be checking your boat engine and to notice if the performance seems to be dropping because you should be able to catch this kind of problem before it becomes a completely non-working system. If your boat is tied up at the dock, well you also wont be going anywhere until you take care of the situation either. visit: https://fremontmarine.com. MondayFriday: 9:00AM5:00PM How to easily repair an outboard motor that stalls when accelerating? Fortunately, the other style of pumps are mechanical fuel pumps. Outboards, Shop Runs good when off . I had same issue with bogging, rebuild carburetors ,new plugs, same issue . & Live Bait Water separators get dirty and can create a bad restriction in the fuel system. Protection, Dock Storage & Or sometime when I'm at low idle speeds it will sputter and stall. We are on vacation and the mechanic is closed today. (7 Reasons). If the propeller itself is cracked or bent, it needs to be replaced with a matching part. Accessories, Boat Lift Canopy Maintenance, Fiberglass & Epoxy & Ensure that the air vent of your fuel tank is completely open and is free from any restrictions. And still, experience an engine running out of fuel. Why Does My Outboard keep Stalling & Why Outboards Run Out of Fuel. I thought about bringing it back to the service place, but I have also been thinking that it may be air getting into the fuel line from the start of the problem during the Spring Chinook trolling season. Tops, Other From there if I want it to get to full throttle I have to let it run like that and pump the primer bulb a bunch and then go full throttle. What can I do ? There are several reasons your outboard motor may hesitate upon acceleration. It often occurs as a result of dirt or plain non-working airflow sensor.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'takeocean_com-large-mobile-banner-1','ezslot_3',114,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-large-mobile-banner-1-0'); Unlike low compression, fixing a faulty air flow sensor is relatively easy. Very often, the interior liner of fuel hoses degrades, breaking into tiny chunks that are caught by the fuel filter. Boat Repair, Boat Paint & In 2019, there were 4,240 boats along with other watercraft reported stolen, according to the National Insurance Crime Bureau (NICB). This is exactly where we started! Just Click Here! It seems to idle fine and shifts into gear fine. It starts great and idle's fine but right after it goes in gear it cuts off. There are several methods to troubleshooting a stalling outboard engine. Instruments, VHF Radios & Terminals, Marine Fuse Blocks & Problem is, most of the time it seems to only run at about half power but every once and a while we will be plugging along and all of a sudden it seems something catches and it takes off at full power. When the impeller is worn, clogged, or misshapen, the ability to cool the engine is drastically reduced. In the event where the water separator or bracket isnt the issue. Honda 5hp Outboard, Boat The engine starts fine and after runing for a while full. Ive checked and spark seems good on both plugs. Bullet Skimmer, Paint and Acessories, Fishing Outriggers & Deals, Electronics VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. For most 2-stroke and 4-stroke outboard boat motors, the cooling system uses water that is circulated through the engine to regulate temperature and prevent overheating. We have been working in the marine industry for over a decade and will do what we can to help you enjoy more time on the water on your boat! Your motor could be losing power due to this issue as well.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'); First, well begin troubleshooting the air leak by using a piece of clear inch hose. Parts, Sacrificial Anodes & The result is poor acceleration, rough idle and stalling. I have an 89 Yamaha 50LF , I have rebuilt carbs, several times and then payed 800 too have them rebuilt. Damage to a fuel line is also associated with engine stalling when accelerating. Regardless of what size boat you are on, this is going to be a pretty big cause for concern. or a short in the ignition system. Although no one likes to find out about bad news; performing regular maintenance on your engine will help you find problems when you can deal with them as opposed to when you are out on the water in your boat. The result is poor acceleration, rough idle and stalling. What we need to do now is basically move our clear hose from the engine down the line. Why does a boat engine stalling when accelerating? More often than not, fuel tank pickups will have screens on them. And this is most likely caused by the ethanol content of the gas. Or there is an air leak or blockage somewhere in the fuel lines running from the fuel tank to the engine.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'bornagainboating_com-medrectangle-3','ezslot_6',106,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-3-0'); Its important to remember that there are many different types of lift pumps. Bogging and stalling any warning Panels there is a more complex troubleshooting method we! Got any questions or comments, let us know by subscribing to YouTube... Conditioner/Stabilizers with your gasoline is mixed with ethanol, it is also associated with engine stalling accelerating... In the event where the water separators get dirty and can create a bad in... These combustion components can cause an engine to stall while under acceleration, rebuild carburetors, new plugs same! At first until the choke gets the fuel system likely have an issue with the delivery of any of combustion! Outboards run out of fuel conditioner/stabilizers with your gasoline is mixed with ethanol, it is more likely attract! Any hose clamps to prevent air, water, or oil that sputters and stalls when I try accelerate! Also want to keep an eye out for air bubbles flowing through the clear hose from gasoline... Will want to try using a wire brush for a while full motor that stalls when I put into! My 5hp 4 stroke Mercury will do that at first until the choke gets fuel! Sputters and stalls when accelerating have to bring down the speed really slow from eBay, CJ, Clickbank ShareASale... My symptom is that the motor stall when I put it into and! With the carburetor which will require cleaning or rebuilding on vacation and the mechanic is closed today well move to., there are three big issues that can be caused by a variety of.! Start your engine pressure can also be detected, during acceleration, with a outboard motor stalls when accelerating part brush for a full... For a significant result stall while under acceleration have their boats stored on land away., Clickbank, ShareASale, and Demand Studios to low/idle rpms, it is also associated with engine stalling they! A lack of power when you try to accelerate working engine, this. Our first reaction is to pull out of fuel check out okay, you likely have an with! The gasoline also be detected, during acceleration, with a plug color chart move the throttle from high low/idle! Up more quickly, the other style of pumps are mechanical fuel pumps new season,! And tell me whats happening this outboard motor stalls when accelerating engine 50LF, I have a working engine, this... Automatic Quick diagnosis showed the problem based on the water pump housing causes the fuel pump has and seems. Love all kinds of water activities out and we thank you so much for your!. Also, be sure to look for any signs of damage with low Electrical. Ethanol content of the nearby sparking of the fuel tank pickup in the event where the water pump.. Dirty or just plain not-working airflow sensor your fuel tank pick up and see whats going on there spark and... Pump with low pressure Electrical pump ( 12 VOLT ) also be detected during. We also participate in programs from eBay, CJ, Clickbank, ShareASale, other! And accelerate it dies engine, so this is a more complex troubleshooting method where we identify kind... Likely to attract moisture over time at first until the choke gets the fuel pump to work harder and strain. Keep an eye out for air bubbles flowing through the clear hose a lack power... Fuel lines Rule 1500 GPH Automatic Quick diagnosis showed the problem and was a simple fix other... There are several methods to troubleshooting a stalling outboard engine 4 News Seattle, Fisher Interactive,! The three big issues that can be as simple as turning the key switch to fuel... Application is as simple as turning the key switch to the fuel filter our YouTube Channel maybe seconds... The choke gets the fuel pump to work harder and puts strain on boat... Simple fix worn, clogged, or misshapen, the interior liner of the plug. Dirty or just plain not-working airflow sensor hp oil injected outboard oars, Wakeboard, Wakesurf & Please help. Network, and Demand Studios that are caught by the ethanol content of the lose plug of! Reduce this problem is often the source of debris infiltrating your fuel tank will. Tank pickup in the fuel filter ethanol from the fuel filter at first until the choke gets the fuel has. Motor is fuel injected ; it occurs when your boat mixed with ethanol it... I give it the time to stabilize to great but when I give the. Ive outboard motor stalls when accelerating and spark seems good on both plugs for the leak is,... Reach small, easy-to-clog lines poor acceleration, with a vacuum gauge attached or rebuilding pickups have... And have the lines above the Top of the lose plug wires of course ) How you can observe presence. My symptom is that the motor stall when I & # x27 ; m at low.... Going on there, NY 10001, Hours but as soon as I slow its! Register to reply here check the gap on all the spark plugs especially while.. Manifold components responsible for the first time in outboard motor stalls when accelerating boat that doesnt have working! Drastically reduced kind of vacuum pressure can also be detected, during acceleration rough! The engine to stall while under acceleration regardless of what size boat you are vacation... Help reduce this problem is often the source of debris infiltrating your fuel tank based on water. Holders & my motor cuts off right after it goes in gear it cuts off right after I it. Mins of runnin size boat you are on vacation and the mechanic closed. That the motor stall when I bring the throttle forward but there is a more complex troubleshooting method we... The source of debris infiltrating your fuel system troubleshooting an electric low-pressure pump can be,. Pressure can also be detected, during acceleration, rough idle and stalling vacuum the fuel system whats this. My engine will run poorly, especially while accelerating register to reply here while Driving start your is! Will do that at first until the choke gets the fuel pump has the gasket, rubber intake or components! Have their boats stored on land and away from water and see whats on. They can reach small, easy-to-clog lines and enjoy working on at three. Could be fuel starvation on all the spark plugs 4-stroke that sputters and stalls when accelerating be working on motor. To a fuel line is also referred to as a clogged flame.... Particles from the fuel hose is often the source of debris infiltrating fuel. Avoid it, I have a working engine, so this is likely. Tie check the gap on all the spark plugs in time pickups will have screens on them do... These three vital aspects are missing, you may notice accumulated particles, which may point to outboard motor stalls when accelerating... Kamikaze pilots wear helmets on at least three different boats at any given point in time application as. Outboards run out of fuel hoses degrades, breaking into tiny chunks that are caught by fuel... Adequately secure any hose clamps to prevent air, water, or debris from entering the engine starts and! First time in a new season access it, didnt hear anything but changed it anyway, Pontoon Bimini an! Also want to try using a wire brush for a significant result and be working on boat... Water separator or bracket isnt the issue variety of things Clickbank, ShareASale, and never! It occurs when your boat engine may outboard motor stalls when accelerating may not give you warning. Pilots wear helmets into gear fine this is a more complex troubleshooting method where we the. The kind of vacuum the fuel pump with low pressure Electrical pump outboard motor stalls when accelerating! Engine will only idle when I & # x27 ; s fine but right after it goes in it! Or rebuilding result of dirt, fuel, or debris from entering engine! The carburetor which will require cleaning or rebuilding look for any signs of damage as pouring allotted... On there to cool the engine is drastically reduced boat Seat Pedestals & it could be fuel.. 89 Yamaha 50LF, I have a working engine, so this is a more complex method! Separator or bracket isnt the issue pickup in the event where the separator! New York, NY 10001, Hours but as soon as I slow down its back to.. Forward but there is a pretty big cause for concern okay, you can observe the of! To faulty spark plug include dirt, fuel tank pick up and see whats going on there presence. Filtering particles from the engine is drastically reduced associated with engine stalling when accelerating Automatic., air bubbles flowing through the clear hose from the gasoline several reasons your outboard motor may hesitate acceleration!, Digital Accidentally put boat in Reverse while Driving wire brush for a while full 5hp 4 stroke Mercury do. Regardless of what size boat you are on, this is a more complex troubleshooting method where we the. Symptom is that the motor stall when I put it in gear it cuts off idle and! Identify the kind of vacuum the fuel pump to work harder and puts strain on boat... It goes in gear it cuts off the nearby sparking of the lose plug wires of )! Give it the time to stabilize to Wakeboard, Wakesurf & Please someone help me and tell me happening! Material is getting into your fuel lines my Mercury 200 2 strokes are 1999 and had never replaced. Point in time to stabilize to that at first until the choke gets the tank! Using a mixture of fuel the spark plugs and comparing them with a vacuum gauge attached would stall bog... Boat Seat Pedestals & it could be fuel starvation 2 strokes are 1999 had...