Hitches, & You notice a lack of power when you try to accelerate. 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! 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. However, if the fuel filter becomes damaged or dirty, it can result in a clogged fuel line, causing a lean mixture and stalling under acceleration. Dock, Cabin and Best Boat Report is dedicated to advancing boating knowledge, safety, and enjoyment through education and sharing of knowledge. It could be fuel starvation. All that is required of you is to clean the air flow sensor or replace it in order for your boat engine to start functioning as normal once again. Varnish, Marine Adhesives, You should try to perform regular maintenance on your engine and check even more frequently if you feel like you are having any kind of performance issue to try and find a problem earlier rather than later. does anyone know what could be causing this. Using gasoline that is more than 10% ethanol can lead to poor combustion due to drawing water into the fuel system and it might even void the warranty of your engine. This generates a hole in the bottom of it & leaks fuel into the bilge. Problems with the delivery of any of these combustion components can cause an engine to stall while under acceleration. 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. The fuel pump is responsible for bringing gas to your engine from your fuel tank. This should not be adjusted until the engine is warmed up and in forward gear, after being run at full throttle for 2-3 minutes. You should note that maintenance is never an enjoyable task; however, a small bit of prevention tends to go a long way. Shimano Tiagra 50w vs 80w Fishing Reel: Which One Should You Choose? thank you. This describes how to check the compression of the engine not the working status of the fuel pump. Sealant, & You wont be able to maneuver in a boat that doesnt have a working engine, so this is a pretty serious topic. We are here to help you learn more about your boat, how it works, and how to take care of it for many years of enjoyment out on the water! Have a properly operating lift pump. Engine starts on hose with no issue. Outboards, Shop Under normal operation, the water pump draws water into the intake grates on the lower unit, pulling water through the cavity with a rubber impeller that is keyed to the drive shaft on top of the lower unit. However, in my experience, these valves are a big source for blockages and can get corroded or clogged up pretty easily.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'bornagainboating_com-leader-4','ezslot_23',113,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-4-0'); The second most common location for blockages is going to be on the bottom of the fuel tank pick up. If you have a strong lift pump and primer bulb, youll notice that the lift pump will suck the primer bulb flat. This leads to the fuel tank selector switch (for boats that have more than one tank).if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'bornagainboating_com-banner-1','ezslot_14',109,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-banner-1-0'); Or, if your boat doesnt have a selector switch, it should lead to a fuel water separator. 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. Mine did that at the beginning of summer. I have the same problem with my 1993 150 hp suzuki. Thanks for reading and we look forward to reading your responses and comments. The fuel used for your outboard motor can be one of the primary reasons why your outboard motor is bogging down. It starts great and idle's fine but right after it goes in gear it cuts off. Replacing fouled spark plugs will fix this problem by restoring the proper combustion of fuel. Maintenance, Pumps and This debris bogs down outboard motors when applying throttle, causing an uneven performance. This has eliminated the need for anti-siphon valves. Very often, the interior liner of fuel hoses degrades, breaking into tiny chunks that are caught by the fuel filter. If this screen is obstructed, it restricts the lift pump from being able to pull the fuel from the fuel tank to your engine! A boat equipped with piston rings that are worn or have leaking valves or an old cylinder, you might end up having relatively low compression in a motor. It ended up being the fuel line connector at the motor. Supplies, Boston Whaler, 1972-1993, Had the same problem with mine. And every time you fill up your gas tank, make sure that the gas cap/cover is air-tight. However, you may have Take The Ocean was started because we love all kinds of water activities. Just my luck. Ive checked and spark seems good on both plugs. In the event where the water separator or bracket isnt the issue. If the troubleshooting guide above provided no results, consult a mechanic. The carburetor is responsible for the combination of air and fuel called the fuel mixture. The result is poor acceleration, rough idle and stalling. Why Does My Outboard Engine Stall When I Put It In Gear? Messages. & Dock, Anchor Chains & When you purchase through links on our site, we may earn an affiliate commission, which supports our community. For more information on lift pumps, FSMs, or VSTs and this issue. It will run as long as you only go to about 2/3 throttle. There are several methods to troubleshooting a stalling outboard engine. Jul 3, 2008. One of the most common problems that a stalling engine can have is a fouled spark plug. Now, Shop Shop It was sitting for quite a few years before I bought it from a friend. 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. It was just serviced and starts and ideals great but when I put it into gear and accelerate it dies. I had this problem 2 yrs ago, went through the whole fuel system but never thought about the primer bulb. While your engine may seem reliable during good times, it can seem exactly the opposite when you are having trouble, like it is a fragile system. Covers, Other Lighting, Marine Teak You are using an out of date browser. Did you figure out what is was? A faulty airbox will tend to affect airflow; it reduced the amount of air that goes into the engine to help with combusting the fuel.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'takeocean_com-narrow-sky-2','ezslot_21',124,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-narrow-sky-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'takeocean_com-narrow-sky-2','ezslot_22',124,'0','1'])};__ez_fad_position('div-gpt-ad-takeocean_com-narrow-sky-2-0_1');.narrow-sky-2-multi-124{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}. Gasoline can go bad after a period of a month or so; especially if it is mixed with ethanol which is the case in many areas. This could be from, not receiving enough fuel pressure, to keep it running. Terminals, Marine Fuse Blocks & This helps indicate that cooling water is flowing. Improper installation or servicing of parts can result in engine or boat damage, personal injury to the installer, or harm to persons operating the product. For pull motors, you can push the throttle open with one hand and pull the rope start. To fix it, youll want to get rid of any debris inside of the air box, usually a wire brush will be good enough to do the trick. Best of all, clear line is not insulated, so theres no risk of debris clogging the fuel filter and other parts. A loss of vacuum pressure can also be detected, during acceleration, with a vacuum gauge attached. When your engine starts to stalling, you will not have a great situation irrespective of what happens.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'takeocean_com-box-4','ezslot_4',103,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-box-4-0'); Irrespective of the size of your boat, engine stalling is a big concern while you are in open waters. Honda 5hp Outboard, Boat If I push the throttle up more quickly, the initial hesitation is very slight and it never stalls. Deals, Boat Seats Parts, Sacrificial Anodes & 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. By doing so, you will be able to notice this engine problem before forcing it to be a non-working system. Theres an easy method to checking and replacing spark plugs in your outboard motor: If you dont have a good spark, the spark plug caps or ignition coil leads could be causing the issue. My engine will only idle when I give it the gas , very low idle. If these three vital aspects are missing, you will never start your engine. This Mercury 4 stroke was running rough. Keep in mind this process will depend heavily on how your fuel lines are set up in your boat. The valves are needed to prevent fuel from siphoning out of the fuel tank. This is because most of the time, the hose will have shrunk onto the hose barb and pulling it off can be a hassle.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-leader-1','ezslot_19',110,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-1-0'); Cutting the tip-off of the connecting hose will make things easier for you! Popular Mechanics: How To Unclog An Outboard Motor. A result of dirt, and it is also referred to as a clogged flame arrestor. The Fora platform includes forum software by XenForo. 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. Usually, a dirty carburetor causes incorrect air as well as fuel mixture, which means that the engine of your boat will not operate, as usual, resulting in a stall. 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. And start the engine to see if the pump is moving fuel. More often than not, fuel tank pickups will have screens on them. Now, remove the gasket and the diaphragm, and install a new gasket with a new diaphragm. It is not uncommon for him to own and be working on at least three different boats at any given point in time! With a stalling boat, maneuverability becomes challenging, which makes this a serious topic. If your two-stroke engine is stalling when you apply the throttle, likely causes include filters, gaskets, spark plugs, and vents. And this is most likely caused by the ethanol content of the gas. Out of the 4,240 stolen boats, only 41% were recovered. Turned out to be the best $24 bucks I ever spent! Seats, Pontoon Boat Seats & Luckily, this is an easy replacement requiring only a few tools. I had 3 techs from different shops over look this very inexpensive fix. Much the same happens in an outboard motor. Next, remove the spark plug with a plug socket and wrench. 2. Justin Chen is a freelance writer and photographer with 6 years of professional experience in outdoor activities, extreme sports, travel and marketing topics. At this point in troubleshooting though. hey folks i hope someone has a answer my 4 hp suzuki 4 stroke idles fine throttles up fine but when you turn throttle all way it starts spurttering does not reach full speed any answers. Therefore, you should consider checking your airbox while on shore before you start sailing. Had similar problem with my kicker,found out the float in the carb was half full of gas. You may experience hard starting when the engine is hot or cold, an increase in fuel usage and lack of power when accelerating. Coming from the fuel line from the fuel tank. The reason for this is that it is easy to forget a part (i.e. for Sale, Buy A link to Accidentally Put Boat In Reverse While Driving? Quick diagnosis showed the problem and was a simple fix. 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. 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. gooseman1. The tech I took it too said it likely needs a carburetor rebuild. A complete replacement is needed to address this problem. Rafts, Paddle My name is Kern and Im passionate about boating. Systems, Lowrance Hook2-4 GPS Meanwhile, encouraging you to take care of and enjoy working on your boat! My Mercury outboard was bogging and stalling at almost full throttle after about 10 mins of runnin. 74. & Circuit Between the pickup tube that is in the fuel tank, to the engine lift pump. When you have starting and accelerating problems, richen the idle adjustment. Options. What can I do? 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. Debris such as fishing line, excessive seaweed, beer can rings, or nearly any other material can wrap around the propeller and its spindle. So, if you notice the primer bulb is sucking flat, youve got a restriction somewhere between the bulb and the fuel tank pick up. When I put it back on it runs but chugs and struggles . Downs, Couplers, Mounts, link to Can I Run My Outboard Without A Poppet Valve? Typically this should be performed seasonally or when the motor is not in use. For a better experience, please enable JavaScript in your browser before proceeding. Will gear into forward and reverse but the throttle bar has no acceleration only slow idle. Bullet Skimmer, Paint and The Right Fit, Shop By Oars, Wakeboard, Wakesurf & We do lot of water sports and skiing. And then listening to hear if the pump turns on and activates. Youll need to figure out the cause of your boat engines failure. Does it hurt my 35 h.p. Sockets, Marine Electrical More of the interior liner will degrade over time, causing repeated issues. Seems to work ok now but I'm still trying to fine tune it to get it to idel a little smoother. If you notice these contaminants, you can make appropriate repairs and avoid prolonged damage to the engine. It really helps us out and we thank you so much for your support! Fuel filters help reduce this problem by filtering particles from the fuel before they can reach small, easy-to-clog lines. They may find the issue, or you may need to replace your outboard altogether. To start the season, i replaced Thermostats, Plugs, Rebuild Carbs, New carb bowls. ACCOUNT, Find 27 yr boat owner and this was the first time I was stumped and had to ask for assistance! Sometimes she will stall but not always. You dont want to hear the sound of a stalling engine while you are in a small boat or a fishing boat, or even a speed boat. If your outboard motor will not throttle up, the issue may be as simple as a tangle. To access it, remove the lower unit, undo the bolts on the water pump housing. Aug 2, 2013 I have a 2000 Johnson 70 hp oil injected outboard. 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. Either the engines lift pump has failed, the boat is out of fuel. That moisture is going to mix into the gasoline and will dilute the gas which will mess up your mixture and cause your engine to sound like its trying; but it just isnt working out. Your outboard may be stalling for several reasons. Combos, Fishing Tools & 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. Depending on when this has happened will mean how much of an inconvenience it is to you, but regular maintenance should help you find an issue like this when you are still on shore and youre able to take care of everything. Simple And Inexpensive Boat Security While You Are Away (Experts). Because gasoline can degrade the plastic of your fuel filter, its important to drain the engine of gas in between seasons to keep your outboard motor in working condition. mtcop: posted 12-04-2007 03:20 PM ET (US) . I move the throttle forward but there is nothing there. Parts, Wash Down Detectors, Binoculars & Outboard engines, as with any internal combustion engine, require air, fuel and spark to maintain adequate combustion throughout the power band. First, carefully remove anything that may be wrapped around the propeller. Why does a boat engine stalling when accelerating? Spark plugs are responsible for the ignition of fuel in the cylinder but will eventually foul in response to carbon buildup from normal combustion of oil in the cylinder. 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. Deals, Electrical Then I turn off the choke. Next, when filling up your gas tank, be sure to choose a low-ethanol fuel, which is usually the Premium type. Put a new kit in your fuel pump. Deals, Paint & Maintenance This occurs when your boat motor is fuel injected; it occurs when you have a dirty or just plain not-working airflow sensor. Lights, Boat Trailer Your outboard may be stalling & running out of fuel due to three issues. In 2019, there were 4,240 boats along with other watercraft reported stolen, according to the National Insurance Crime Bureau (NICB). I took it in to a mechanic and he said he adjusted the carbs and everything seemed fine replaced the impeller and it only runs worse now. Some of the causes related to faulty spark plug include dirt, fuel, or oil. Check your bulge pump, your boat may have a foot of water under the floor. Copyright 2019 IBOATS. 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. Topic: 1995 Johnson 200 HP stalling under load. What we need to do now is basically move our clear hose from the engine down the line. Outboard issues - Motor stalls when accelerating I've been having issue with my Yamaha Outboard for the last year. 1983 Mercury 115 HP outboard stalls/dies after revving up to about 1200 RPM - but only when trying to accelerate in forward or reverse gear. If the fuse isnt blown. You could also have the issue of using way too much fuel or you may receive a lack of power when the engine should be running on full power. Software, Digital This Is What A Break In Period For A Brand New Engine Is! Request The Next Technician's Tuesday Video Topic. We are on vacation and the mechanic is closed today. or a short in the ignition system. it would stall and bog while trying to get underway. 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. But it starts. Products, Carbon Monoxide & Mar 16, 2011. Remove the gasket under the carburetor, then remove the screws on the bottom of the carburetor, and pull the bottom off. Once the leak is found, replacing the gasket, rubber intake or manifold components responsible for the leak will fix the problem. Check the lines for an air leak. This is because a rich fuel mixture is over-saturated with gas, causing ignition problems. Filling up the tank entirely is a best practice, as this reduces the amount of air in the tank and the possibility for water to be introduced into the fuel system. Had cheap pladtic. How Fuel Supply Modules & Vapor Separator Tanks Operate! visit: https://fremontmarine.com. If the propeller itself is cracked or bent, it needs to be replaced with a matching part. Happened to me. Ensure that the air vent of your fuel tank is completely open and is free from any restrictions. Be sure to perform this test in the water or attach a freshwater source to prevent overheating your engine. Now that you know about stalling engine and fuel issues, check out these other helpful articles packed full of information to help you with your boat! My first response is to pose another question: Why did World War II Japanese kamikaze pilots wear helmets? These increase the air intake, causing a lean fuel mixture and vacuum pressure problems. All rights reserved. & Rings, Prop Nut Kits & The fuel tank pickup itself could also be corroded, or even broken.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-large-mobile-banner-2','ezslot_20',111,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-large-mobile-banner-2-0'); If your boat engine continues to stall, we still need to cover the blockages issue. Connectors. link to How To Choose And Install a High-Performing Boat Battery Charger? Wells, Toilet & Waste Pumps, Marine Pump Replacement Check both the spark plug caps and ignition coil leads for proper resistance and replace the parts. Next, remove the carburetor from the engine by unbolting it, then remove the fuel line and the linkage. Accessories, Pontoon Bimini the priming bulb) or you may not preserve the same measurements when cutting the hose. Drink Holders. We wont focus on troubleshooting the lifts pumps in this article though. Shop for the boat parts you need with PartsVu and reference our Marine Tool Kits guide to learn about the tools essential to your outboard engine maintenance. 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. While it might seem like bad luck, it may be related to the gas that you are using. 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. How to Choose the Right Shimano Saltwater Fishing Reel for Offshore Fishing: A Beginners Guide. When running a boat. Switches, Shore Power & AC We put a brand new carburetor on it and new plugs and it fired up just fine. Any thoughts? Major causes highly associated with stalling in a boats engine include: Having an engine problem is one of the worst things you would want to experience while spending your day on the water. If your gasoline is mixed with ethanol, it is more likely to attract moisture over time. Also, be sure to adequately secure any hose clamps to prevent air, water, or debris from entering the engine. She accelerated but then suddenly dips down at around 17000-21000 revs, then suddenly fly away. Ropes, Boat Always do a compression test before and after repairing the fuel pump. Instead of driving a gearbox, the motor powers a propeller. Acceleration only slow idle and it fired up just fine about 2/3.. From any restrictions hp oil injected outboard for pull motors, you can make appropriate repairs and prolonged. Really helps us out and we thank you so much for your outboard is..., there were 4,240 boats along with other watercraft reported stolen, according to the engine by unbolting,... ( Experts ) outboard motor can be one of the primary reasons why your outboard motor is down! Carburetor, then remove the screws on the bottom of the fuel pump is moving fuel can be of. Clamps to prevent fuel from siphoning out of date browser when cutting the hose was and. Marine Teak you are using an out of date browser Reel: one. Might seem like bad luck, it is easy to forget a part ( i.e, the issue may stalling. I give it the gas, causing repeated issues before and after repairing the fuel pump low idle your. Have a strong lift pump it would stall and bog while trying to fine tune it be! The National Insurance Crime Bureau ( NICB ) new outboard motor stalls when accelerating on it and new and... What a Break in Period for a better experience, please enable JavaScript your. This generates a hole in the fuel before they can reach small easy-to-clog. While Driving Reverse but the throttle bar has no acceleration only slow idle itself is cracked or bent it! Indicate that cooling water is flowing pressure can also be detected, during acceleration with... Engine stall when I give it the gas cap/cover is air-tight to Take of... Run my outboard engine stall when I put it in gear seems good on both plugs quick showed... Causing a lean fuel mixture and vacuum pressure problems the Ocean was started because love. Engine will only idle when I put it back on it runs but and. Boat Trailer your outboard may be stalling & amp ; running out of 4,240... Accelerate it dies or bracket isnt the issue problem and was a simple fix suck primer. Gas cap/cover is air-tight with mine 03:20 PM ET ( us ) can! If the pump is responsible for bringing gas to your engine inexpensive fix is also referred to as clogged. The engine down the line the Boat is out of fuel tends to go a long way before. Only 41 % were recovered and the diaphragm, and enjoyment through and... Fuel pump is moving fuel only slow idle you try to accelerate according the. Replacing the gasket under the floor gas that you are using on shore before you sailing! Knowledge, safety, and pull the rope start three vital aspects are missing, you may to. Fix this problem by restoring the proper combustion of fuel fuel pressure, to the.. Gps Meanwhile, encouraging you to Take care of and enjoy working on at least three different at! You should note that maintenance is never an enjoyable task ; however, will... For this is because a rich fuel mixture is over-saturated with gas, ignition! Is basically move our clear hose from the fuel line from the fuel used for your!... Period for a better experience, please enable JavaScript in your browser before proceeding air water. Remove the gasket, rubber intake or manifold components responsible for bringing gas to your engine is never enjoyable!: which one should you Choose caught by the fuel used for your outboard motor is uncommon... Experience hard starting when the engine is hot or cold, an increase fuel! ; ve been having issue with my 1993 150 hp suzuki runs but and. Bureau ( NICB ) often than not, fuel, or you may need to do now basically! Love all kinds of water under the carburetor from the fuel tank the issue may related!, Buy a link to how to check the compression of the fuel tank degrades, into... Shop Shop it was just serviced and starts and ideals great but when I it! Is basically move our outboard motor stalls when accelerating hose from the engine lift pump has failed the. Wear helmets liner will degrade over time pump will suck the primer bulb youll... Plug with a new outboard motor stalls when accelerating with a vacuum gauge attached gas tank, be sure to Choose a fuel... Notice a lack of power when accelerating problems, richen the idle adjustment after about 10 mins runnin... Deals, Electrical then I turn off the choke this should be performed seasonally when! That it is easy to forget a part ( i.e Lowrance Hook2-4 GPS Meanwhile, encouraging to... Pressure, to keep it running you start sailing a serious topic, rough idle and stalling debris down! Injected outboard been having issue with my 1993 150 hp suzuki simple as a flame. Forward and Reverse but the throttle bar has no acceleration only slow idle after about 10 mins of.. Mins of runnin similar problem with my kicker, found out the cause of your engines! The rope start was half full of gas my first response is to pose another question: did! Include dirt, fuel tank pickups will have screens on them has no acceleration slow. And primer bulb flat perform this test in the fuel pump is never an enjoyable task however. Are missing, you may not preserve the same measurements when cutting the hose it needs! ; ve been outboard motor stalls when accelerating issue with my kicker, found out the in! The engines lift pump will suck the primer bulb, youll notice that the lift pump should consider your! Prolonged damage to the gas cap/cover is air-tight I ever spent put a new. Reading and we thank you so much for your outboard may be as simple a. Combustion components can cause an engine to see if the pump turns on and activates is completely open is. & leaks fuel into the outboard motor stalls when accelerating up more quickly, the initial hesitation is very slight and it stalls. & AC we put a Brand new carburetor on it and new plugs and it fired up just fine 150... Back on it runs but chugs and struggles at any given point in time I replaced,! Javascript in your Boat or cold, an increase in fuel usage and lack of power when have. Systems, Lowrance Hook2-4 GPS Meanwhile, encouraging you to Take care of and enjoy working on at least different! Non-Working system process will depend heavily on how your outboard motor stalls when accelerating tank, the! Easy-To-Clog lines outboard motor stalls when accelerating, Digital this is what a Break in Period for a Brand new carburetor it. Ac we put a Brand new carburetor on it and new plugs and it is easy forget. Spark plugs, rebuild Carbs, new carb bowls this is an easy replacement requiring only a few tools carefully!, with a vacuum gauge attached keep it running then listening to hear if the pump is moving.. A carburetor rebuild the carb was half full of gas on the bottom.. To Take care of and enjoy working on your Boat engines failure mixture is over-saturated with gas, very idle. Line from the fuel before they can reach small, easy-to-clog lines up... Make appropriate repairs and avoid prolonged damage to the National Insurance Crime Bureau ( NICB ) had same... Before and after repairing the fuel pump started because we love all kinds of water under the floor then... So, you can make appropriate repairs and avoid prolonged damage to the gas very... Methods to troubleshooting a stalling engine can have is a fouled spark plugs will fix the problem are to... Plug include dirt, and vents stumped and had to ask for assistance,... Screws on the water pump housing, Electrical then I turn off choke. Unclog an outboard motor gaskets, spark plugs will fix this problem filtering. Saltwater Fishing Reel for Offshore Fishing: a Beginners guide now but outboard motor stalls when accelerating! Reverse but the throttle up, the initial outboard motor stalls when accelerating is very slight and it never.! Freshwater source to prevent fuel from siphoning out of date browser with mine any. To your engine fuel pressure, to the gas bulb flat bent it. At around 17000-21000 revs, then remove the carburetor from the engine down the line: how to check compression. Or cold, an increase in fuel usage and lack of outboard motor stalls when accelerating when accelerating the proper combustion of hoses. The Ocean was started because we love all kinds of water activities any given point in!! And best Boat Report is dedicated to advancing boating knowledge, safety, and install High-Performing. Then remove the spark plug with a matching part now but I 'm trying. Please enable JavaScript in your Boat may have a strong lift pump itself! Your gasoline is mixed with ethanol, it is more likely to attract moisture time! From any restrictions lines outboard motor stalls when accelerating set up in your Boat, when filling up gas! Full of gas, rough idle and stalling at almost full throttle about. Gauge attached with a matching part, other Lighting, Marine Fuse Blocks & this helps indicate cooling... Are caught by the fuel line from the engine to see if the troubleshooting guide above provided no results consult... To get it to be replaced with a stalling engine can have is fouled... For quite a few tools related to the engine by unbolting it, remove the spark plug include,. Check the compression of the primary reasons why your outboard motor is not in use at...