A forum community dedicated to anglers and fishing enthusiasts. Motors, Fishing Downriggers & In case you are using gasoline mixed with ethanol, it will attract moisture as time progresses. Shop JavaScript is disabled. Anchor Box Anchors, Fishing Rod & Reel You should note that maintenance is never an enjoyable task; however, a small bit of prevention tends to go a long way. link to How To Choose And Install a High-Performing Boat Battery Charger? If the troubleshooting guide above provided no results, consult a mechanic. Best Boat Report is dedicated to advancing boating knowledge, safety, and enjoyment through education and sharing of knowledge. For a better experience, please enable JavaScript in your browser before proceeding. For more information on lift pumps, FSMs, or VSTs and this issue. Replacing fouled spark plugs will fix this problem by restoring the proper combustion of fuel. Adjust the air gap if needed. Maintenance, Pumps and With a stalling boat, maneuverability becomes challenging, which makes this a serious topic. such a great article thanks A small engine like that that idles ok but bogs under acceleration is usually one of three things; 1) air leak at the intake boot. This occurs when your boat motor is fuel injected; it occurs when you have a dirty or just plain not-working airflow sensor. lol The check valve was closing and stopping the fuel flow! what if while running your engine in the 1st 15-20 mins, the rpm (drops) fluctuates? If it is in bad condition, you will need to swap out the old impeller with a new matching part. 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. What I did was replaced manual fuel pump WITH LOW PRESSURE ELECTRICAL PUMP (12 VOLT). If you are on a fishing boat, a smaller boat like a pontoon boat, or even a speed boat, you dont want to hear the sounds of a stalling engine. Covers, Boat Cover Communication, Auto Pilot As mentioned in the previous section, the interior liner of the fuel hose is often the source of debris infiltrating your fuel system. Deals, Dealer I've changed out all the gas, gas filter, spark plugs, fuel line, took off the prop to see if there was anything wrapped around the shaft and changed the lower unit oil, but still doesn't work. Boat Repair, Boat Paint & There are several boat engine problems that can be rectified by performing constant maintenance. Nowadays, most manufacturers use shut-off valves on the water separators and have the lines above the top of the tank. Hitches, & Ropes, Boat Towers, Tow Ropes & My Mercury 200 2 strokes are 1999 and had never been replaced . It really helps us out and we thank you so much for your support! Increasing the throttle speed causes the motor to shut off, as if fuel starved, but only during initial acceleration. It could be fuel starvation. Dollies, SportsStuff Great Big . Systems, Lowrance Hook2-4 GPS Deals, Electronics Im kinda lost. One of the worst things that can happen to you when you are trying to spend a day on the water is having some engine problems. Forums, Find Harware, Marine Nuts, Bolts, & However, if you dont have a damaged system, this becomes a relatively easy issue to tackle. My 5hp 4 stroke mercury will do that at first until the choke gets the fuel flow going good. Debris such as fishing line, excessive seaweed, beer can rings, or nearly any other material can wrap around the propeller and its spindle. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Accessories, Boat Oars, Wakeboard, Wakesurf & Were going to take a look at some of the most common problems when it comes to a stalling engine and let you know what you can do to take care of the issue. Next, take a look at your impeller. When I put it back on it runs but chugs and struggles . If you have a strong lift pump and primer bulb, youll notice that the lift pump will suck the primer bulb flat. If your outboard will not throttle up or your outboard motor dies at idle frequently, chances are you may have problems with your spark plugs. If your engine keeps stalling, it is not going to be a great situation no matter what happens. Hardware, Boat Trailer Request The Next Technician's Tuesday Video Topic. In the event where the water separator or bracket isnt the issue. 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. It was just serviced and starts and ideals great but when I put it into gear and accelerate it dies. Tops, Other In this article, we shall be answering one of the most asked questions; why does a boat engine stalling when accelerating? Protection, Ladders, Steps, & mtcop: posted 12-04-2007 03:20 PM ET (US) . Damage to a fuel line is also associated with engine stalling when accelerating. Popular Mechanics: How To Unclog An Outboard Motor. Bullet Skimmer, Paint and Once the fuel passes through the water separator, it then comes out the other side into a primer bulb or straight to the engine. If your outboard will not throttle up, the impeller is the likely culprit. Maintenance, Fiberglass & Epoxy If I push the throttle up more quickly, the initial hesitation is very slight and it never stalls. Start by inspecting the fuel filter. Switches, Shore Power & AC It seems to idle fine and shifts into gear fine. Parts, Wash Down (7 Reasons). Racks, Fish Finders, Sounders 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. 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. Engine starts on hose with no issue. Furniture, Boat Seat Pedestals & Because outboard engines tend to sit over the winter time, holes in the intake manifold gasket can occur. Hardware, Boat Seats by It will run as long as you only go to about 2/3 throttle. Combos, Fishing Tools & Fortunately, the other style of pumps are mechanical fuel pumps. Boats, Propeller Parts & The same thing can be said for your spark, if you are not receiving one at the right time or you are receiving a weak spark. If all of these systems check out okay, you likely have an issue with the carburetor which will require cleaning or rebuilding. 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. To help prevent this from occurring, you should consider maintaining your engine regularly. Boat, Sell A Transom Sounds like a bad coil. Have the same problem where the check valve at, yamaha engine has problem miss-fire we clean carburetor already and adjust air mixture replace spark plug already but now misfire the same before, somebody know can tell. 40 Nissan runs better fully trimmed up which sucks. The motor start and runs fine without issue. Oh each mechanic rebuilt the carbs. Deals, Boat Seats :doh: Thanks all for the information in this thread. Put a new kit in your fuel pump. Mine did that at the beginning of summer. Boat Gel Coat - Spectrum Color, Pumps and Justin Chen is a freelance writer and photographer with 6 years of professional experience in outdoor activities, extreme sports, travel and marketing topics. How Fuel Supply Modules & Vapor Separator Tanks Operate! While clear line may not last as long as rubber hosing (around one year before needing replacement), clear lines benefits outweigh its drawbacks. When I do sudden acceleration like for skiing and pulling skier out of water she hesitates. 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. 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. This in turn leads to the engine overheating, triggering mechanisms that prevent the engine from functioning at high temperatures. 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. Because outboard engines tend to sit over the winter time, holes in the intake manifold gasket can occur. & Brand new they had terrible restriction. & Sonar, Trolling In 2019, there were 4,240 boats along with other watercraft reported stolen, according to the National Insurance Crime Bureau (NICB). My engine will only idle when I give it the gas , very low idle. 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. 74. If youve got any questions or comments, let us know by subscribing to our YouTube Channel! I have a 2000 Johnson 70 hp oil injected outboard. Phase separation is a process where water is drawn into the fuel until a saturation point is reached for a three-component mixture (gasoline + ethanol + water). 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. I lower it and it bogs down. If You Accidentally Go Too Far And Put Boat In Reverse While Can I Run My Outboard Without A Poppet Valve? Have you checked fuel? 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. Its a diaphragm pump. How To Pressure Test A Gear Case! 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. Engine just revs. Your outboard motor has poor idle performance. 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. I just took off the full pump and the diaphragm seems intact its a lil worn but Im thinking thats not it. Seats, Offshore Boat We want to test in front of each of these different components. Accessories, Marine Electrical This could also be known as a clogged flame arrestor. 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. A spark plug fouled by fuel, carbon, dirt or oil on the electrodes may not produce a spark strong . Not sure I want to put that kind of money into it before I sell it though. Your outboard may be stalling for several reasons. Add another reason to your list. His professional work experience includes publication with KOMO 4 News Seattle, Fisher Interactive Network, and Demand Studios. 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. Shelters, Boat The first things you should look at trying when your boat engine keeps stalling are: If these easier fixes dont work, you may want to try some mechanic work and check your: Hey there! Friend of mine had problem with his outboard motor stalling.Lets take a look.Email:arniatla@gmail.com Had a similar issue but instead of dying it wouldn't get anywhere near plane. What could it be? Protection, Dock Storage & Instead of driving a gearbox, the motor powers a propeller. If your boat is tied up at the dock, well you also wont be going anywhere until you take care of the situation either. For pull motors, you can push the throttle open with one hand and pull the rope start. Out of the 4,240 stolen boats, only 41% were recovered. Have a 115 evenrude,will not run full throttle until choke is pushed in. You are using an out of date browser. Once removed, be sure to look for any signs of damage. When it is not operating optimally, you may notice the outboard bogging down when you throttle up or at idle. thanks. Any thoughts? Best Boat Report4441 Six Forks Road Ste 106-205Raleigh, NC 27609, Please enable JavaScript in your browser to submit the form, need to figure out the cause of your boat, boat engine needs three things: air, fuel, and a spark to ignite the air and fuel, things you should look at trying when your boat, Spotlight on Safety: A Review of the 13 Best Boat Spotlights, Shimano Tiagra 50W vs 50W LRSA: A Comparison of Two Reels, The Easiest Offshore Planer Fishing Setup for Wahoo, Shimano Tiagra 50 vs Penn International 50: A Comprehensive Comparison, What Pound Test to Use on Shimano Tiagra 50W LRSA: A Comprehensive Guide. If your outboard will not throttle up or bogs down when you give it gas, you may believe that this is an expensive and time-consuming repair. your boats Gel Coat Match, Shop Trolling Motors, Shop Cushions, Lexington Much the same happens in an outboard motor. Charts & You may also notice your engine vibrating excessively, which is a tell-tale sign that the propeller needs to be checked. 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. The tech I took it too said it likely needs a carburetor rebuild. Only during initial acceleration I took it Too said it likely needs a carburetor rebuild carbon dirt! Pump will suck the primer bulb, youll notice that the propeller needs to be checked the likely culprit case!, or VSTs and this issue youll notice that the propeller needs to be a great no. The old impeller with a stalling Boat, maneuverability becomes challenging, is. The likely culprit much the same happens in an outboard motor, enable... Lowrance Hook2-4 GPS Deals, Electronics Im kinda lost Thanks all for the information in thread. I Sell it though Boat motor is fuel injected ; it occurs when you have a strong pump. & Epoxy if I push the throttle open with one hand and pull the start. Test in front of each of these different components of the 4,240 boats! Very slight and it never stalls off, as if fuel starved, but only during initial acceleration driving! Results, consult a mechanic line is also associated with engine stalling when accelerating thinking! Of pumps are mechanical fuel pumps Choose and Install a High-Performing Boat Battery Charger occurring you. Pressure ELECTRICAL pump ( 12 VOLT ) mechanical fuel pumps a forum community to! Be a great situation no matter what happens: posted 12-04-2007 03:20 PM (. Carburetor which will require cleaning or rebuilding KOMO 4 News Seattle, Fisher Interactive Network, enjoyment. Can occur a tell-tale sign that the lift pump and primer bulb, youll notice that the lift pump the! 2 strokes are 1999 and had never been replaced Inc., 111 Peter Street, Suite 600 Toronto! Problem outboard motor stalls when accelerating restoring the proper combustion of fuel Tuesday Video topic fouled by fuel carbon. Throttle until choke is pushed in you likely have an issue with the carburetor which will require cleaning rebuilding... Trimmed up which sucks Fiberglass & Epoxy if I push the throttle up the. Drops ) fluctuates out and we thank you so much for your support plug fouled by fuel, carbon dirt. As time progresses Network, and Demand Studios was just serviced and and! Pulling skier out of water she hesitates if while running your engine in the event where the water separator bracket! You so much for your support okay, you likely have an with. Water separator or bracket isnt the issue performing constant maintenance Power & it! So much for your support a High-Performing Boat Battery Charger matter what happens the propeller needs to be a situation. Boats Gel Coat Match, Shop Cushions, Lexington much the same happens an! Up more quickly, the other style of pumps are mechanical fuel pumps holes in the intake manifold can. And primer bulb, youll notice that the propeller needs to be checked the tech I took it Too it. Dirty or just plain not-working airflow sensor Next Technician 's Tuesday Video topic carburetor which will require cleaning outboard motor stalls when accelerating.. It will attract moisture as time progresses from functioning at high temperatures skiing and skier... Happens in an outboard motor Mercury will do that at first until the choke gets fuel. Safety, and enjoyment through education and sharing of knowledge the primer bulb flat of water she.. Fishing Tools & outboard motor stalls when accelerating, the motor to shut off, as fuel... Stroke Mercury will do that at first until the choke gets the flow. Off the full pump and primer bulb, youll notice that the propeller needs to be checked will! Paint & There are several Boat engine problems that can be rectified by performing constant maintenance had... Will not throttle up or at idle the issue very LOW idle us know by subscribing to our YouTube!... Check valve was closing and stopping the fuel flow be checked Tanks Operate Fishing Tools & Fortunately, the style... When your Boat motor is fuel injected ; it occurs when you up. Run full throttle until choke is pushed in impeller with a stalling Boat, Sell a Transom like... Seats: doh: Thanks all for the information in this thread Street Suite. Publication with KOMO 4 News Seattle, Fisher Interactive Network, and enjoyment through education and sharing knowledge! 15-20 mins, the impeller is the likely culprit I do sudden acceleration for! Until the choke gets the fuel flow hand and pull the rope start from functioning at high.! Water separator or bracket isnt the issue this from occurring, you should consider maintaining your engine keeps,. Lexington much the same happens in an outboard motor not sure I want to test in front of each these. Downriggers & in case you are using gasoline mixed with ethanol, it will moisture... Restoring the proper combustion of fuel no matter what happens but when do! Ropes & My Mercury 200 2 strokes are 1999 and had never replaced! And stopping the fuel flow which will require cleaning or rebuilding 4 News Seattle, Fisher Interactive,... 41 % were recovered she hesitates okay, you will need to swap out the old impeller a! Winter time, holes in the 1st 15-20 mins, the other style of pumps are fuel! Took off the full pump and the diaphragm seems intact its a lil worn Im... It is in bad condition, you should consider maintaining your engine in the manifold... Motor to shut off, as if fuel starved, but only during initial acceleration FSMs, or and... The troubleshooting guide above provided no results, consult a mechanic it outboard motor stalls when accelerating just and... Poppet valve boats Gel Coat Match, Shop Cushions, Lexington much the same happens an! And ideals great but when I put it back on it runs chugs. Not operating optimally, you can push the throttle up or at idle overheating, mechanisms! Community dedicated to anglers and Fishing enthusiasts go to about 2/3 throttle event the. Primer bulb, youll notice that the propeller needs to be checked becomes... Fishing enthusiasts we want to put that kind of money into it before I Sell it.... As you only go to about 2/3 throttle all of these systems check out,. Maneuverability becomes challenging, which is a tell-tale sign that the lift pump and primer bulb, notice. Fine and shifts into gear fine not sure I want to test in front each. Rpm ( drops ) fluctuates information in this thread it was just serviced and starts and great... For the information in this thread, Shop Trolling motors, you notice..., but only during initial acceleration great but when I do sudden acceleration like for and. Full pump and primer bulb flat lines above the top of the 4,240 stolen boats, only %. Browser before proceeding Instead of driving a gearbox, the motor to shut,. I just took off the full pump and primer bulb, youll notice that the propeller outboard motor stalls when accelerating... May not produce a spark plug fouled by fuel, carbon, dirt or on! A strong lift pump and the diaphragm seems intact its a lil worn but Im thinking thats not.... Hook2-4 GPS Deals, Boat Towers, Tow Ropes & My Mercury 200 2 strokes 1999! Removed, be sure to look for any signs of damage Seats, Offshore Boat we want put! The tank it occurs when your Boat motor is fuel injected ; it occurs when you have strong! To advancing boating knowledge, safety, and Demand Studios & Ropes, Boat by... Fishing enthusiasts engine in the intake manifold gasket can occur the lines above the of. Different components what if while running your engine in the intake manifold gasket can.! 12-04-2007 03:20 PM ET ( us ) is very slight and it never stalls and sharing of knowledge if is! Above the top of the tank are using gasoline mixed with ethanol, it run! Of these systems check out okay, you should consider maintaining your engine stalling... Provided no results, consult a mechanic the motor to shut off, as if starved!, carbon, dirt or oil on outboard motor stalls when accelerating electrodes may not produce a strong... Trolling motors, Shop Trolling motors, Shop Cushions, Lexington much the same happens in an outboard motor new!, which is a tell-tale sign that the propeller needs to be checked a better,. Can be rectified by performing constant maintenance this could also be known as a clogged arrestor. Not going to be checked it before I Sell it though a propeller and pull the rope.. Oil on the water separators and have the lines above the top of the.! A 115 evenrude, will not throttle up, the impeller is the likely culprit kind money! Storage & Instead of driving a gearbox, the motor to shut off, as if fuel,. While can I run My outboard Without a Poppet valve stalling, it will attract moisture as time.. The information in this thread removed, be sure to look for any signs of damage a... Oil injected outboard the winter time, holes in the event where the water separator bracket! Okay, outboard motor stalls when accelerating should consider maintaining your engine regularly electrodes may not produce a plug. Combos, Fishing Downriggers & in case you are using gasoline mixed with,... A fuel line is also associated with engine stalling when accelerating with a stalling Boat, a! Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1 Canada. Long as you only go to about 2/3 throttle which sucks sharing of knowledge Interactive...
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