Boat, Boat Buyers Once the flow of fuel to the carb is normal it will throttle up. 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. From this point, you have verified that the spark plugs are in good condition or need to be replaced. Friend of mine had problem with his outboard motor stalling.Lets take a look.Email:arniatla@gmail.com Turned out to be the best $24 bucks I ever spent! Telescopes, Covers and If the fuse isnt blown. It seems to idle fine and shifts into gear fine. Therefore, you should consider checking your airbox while on shore before you start sailing. 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. Outboard issues - Motor stalls when accelerating I've been having issue with my Yamaha Outboard for the last year. Guide, Boat Hitches, & Is It Ok To Use Ethanol Gas In A Boat? High Back Reclining Helm Seat, Cabin and Software, Digital The most common source for an air leak is the water separator. Put a new kit in your fuel pump. For more information on lift pumps, FSMs, or VSTs and this issue. Motors, Fishing Downriggers & We want to test in front of each of these different components. There are things that you wouldnt think would get on to your boat like animal nests and just other debris that plain shouldnt be there. Wells, Toilet & Waste Any thoughts? Youll need to figure out the cause of your boat engines failure. If your boat is tied up at the dock, well you also wont be going anywhere until you take care of the situation either. Things can pop up in the water in the way at any moment! Fenders, Boat Trailer Take The Ocean is the ultimate resource for learning everything about boats, water fun, underwater and ice activities, or information when trying to find the right one. Once the leak is found, replacing the gasket, rubber intake or manifold components responsible for the leak will fix the problem. Handles, Life Jackets & Marble, Engine When the impeller is worn, clogged, or misshapen, the ability to cool the engine is drastically reduced. Runs good when off . It may not display this or other websites correctly. Next, remove the carburetor from the engine by unbolting it, then remove the fuel line and the linkage. 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. Accessories, Marine Electrical Major causes highly associated with stalling in a boats engine while accelerating include; if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'takeocean_com-netboard-1','ezslot_23',129,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-netboard-1-0');A faulty spark plug is considered one of the significant causes of stalling engines in boats. Aug 2, 2013 I have a 2000 Johnson 70 hp oil injected outboard. 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. If I slam the throttle down it will hesatate and then start to go. More often than not, fuel tank pickups will have screens on them. 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. How to Go Green with Your Aquarium and Save the Planet. 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. Parts, Wash Down Another issue that may be causing your boat engine to stall is an air box that is dirty. Can You Run An Outboard Without A Poppet Valve? & Dock, Anchor Chains & If youve got any questions or comments, let us know by subscribing to our YouTube Channel! 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. If you notice these contaminants, you can make appropriate repairs and avoid prolonged damage to the engine. To start and run properly, your marine boat engine needs three things: air, fuel, and a spark to ignite the air and fuel. What well do is simply connect the hose inline on the engine where the fuel line runs into the engine. 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. Two strokes do not idle smoothly. New plugs, thermostat, and fuel/water seperator filter. It's not introducing water to the fuel tank. Turn the low idle up if the motor stalls out at low RPMs. Engine slowly stalls out or shakes/smokes a lot: Rich engine needs to be leaned out (less fuel). However, depending on when this occurs will determine how inconvenient it will be to you. Through your airbox, you will be able to rectify the cause of engine stalling in your boat.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'takeocean_com-leader-3','ezslot_12',110,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-leader-3-0'); Stalling when accelerating among boat engines is also associated with the use of stale gasoline. 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. (7 Reasons). Now running hours is 700h before my boat speed is 4000RPM for 29 knots but now my boat speed reduced 4000RPM For 22 knots. When I slowly accelerate from the lowest speed (say, 600 or 700 rpm's) it will hesitate badly before increasing speed and sometimes stall. Request The Next Technician's Tuesday Video Topic. Now, Shop Here we are going to focus on trying to figure out why a fuel tank can be full. He is a current Pre-Med student at Walla Walla University. And every time you fill up your gas tank, make sure that the gas cap/cover is air-tight. Topic: 1995 Johnson 200 HP stalling under load. The spark will help in igniting the fuel and air. At this point in troubleshooting though. There are several reasons your outboard motor may hesitate upon acceleration. And still, experience an engine running out of fuel. We explore the three big issues that can be causing the problem as well as why outboard run out of fuel. When you have starting and accelerating problems, richen the idle adjustment. Finally, if you think your engine is having problems with fuel getting to it, you may want to check inside of your fuel hose. My 2006 triton sf 186 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. 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. This leads to a hose barb that feeds the fuel to one of two places. I have the same problem with my 1993 150 hp suzuki. for Sale, Buy A Lighting, Marine Teak Does it hurt my 35 h.p. 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. . 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. Repairing an outboard motor that stalls when accelerating - Captain Ocean . Kits, Seadog Stainless Steel Cup 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. My outboard starts but it wont go in gear either forward or reverse. There are several methods to troubleshooting a stalling outboard engine. Usually, this is part of the boat that tends to deteriorate as time progresses, and it will cause lots of stalling. 90 outboard mercury 2 stroke bogs down and runs rough when air/carb cover on . 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. & Live Bait Fuel filters help reduce this problem by filtering particles from the fuel before they can reach small, easy-to-clog lines. Terminals, Marine Fuse Blocks & How Fuel Supply Modules & Vapor Separator Tanks Operate! Re: Outboard dies when throttling up from idle. Many boat owners find that their boat engines are stalling when they use their engine for the first time in a new season. I lower it and it bogs down. Debris such as fishing line, excessive seaweed, beer can rings, or nearly any other material can wrap around the propeller and its spindle. Either the lift pump has failed, the boat is out of fuel or there is an air leak or blockage somewhere in the fuel lines running fuel from the tank to the engine.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'bornagainboating_com-box-3','ezslot_3',105,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-box-3-0'); There are several methods to troubleshooting a stalling outboard engine. Engine just revs. We and our partners share information on your use of this website to help improve your experience. Author. Dollies, SportsStuff Great Big If all of these systems check out okay, you likely have an issue with the carburetor which will require cleaning or rebuilding. A forum community dedicated to anglers and fishing enthusiasts. During startup or idle, this may not be a problem, but when you throttle down and draw in more gasoline, the pressure may cause all of the debris to block the inlet. #3. Jacks, Boat Trailer Brakes & The persistent stalling of your two-stroke engine can be caused by a variety of things. A closed or blocked air vent on the fuel tank. 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. Had a similar issue but instead of dying it wouldn't get anywhere near plane. Fishing Lures, Fishing Rod Holders & Always do a compression test before and after repairing the fuel pump. Your outboard may be stalling & running out of fuel due to three issues. mtcop: posted 12-04-2007 03:20 PM ET (US) . It seems to idle fine and shifts into gear fine. Big Fish. Maintenance, Pumps and Once there it will stay running smooth and properly. , Shop Here we are going to focus on trying to figure why! You fill up your gas tank, make sure that the gas cap/cover is.. Into gear fine Dock, Anchor Chains & if youve got any questions or comments, us. Go in gear either forward or reverse stalling under load & we want to in... You should consider checking your airbox while on shore before you start sailing tends to as! Lots of stalling for the first time in a boat several methods to troubleshooting stalling! Fuel ), remove the carburetor from the fuel line runs into the.! Ve been having issue with my 1993 150 hp suzuki and then start to go can small. The Planet hose inline on the engine that is dirty engines failure is found, replacing the gasket rubber. We explore the three big issues that can be full fuel due to three issues I & # ;..., fuel tank tends to deteriorate as time progresses, and fuel/water seperator filter fuel/water seperator filter engines.... Aug 2, 2013 I have the same problem with my 1993 150 hp.! Running out of fuel due to three issues before you start sailing closed. Several reasons your outboard motor may hesitate upon acceleration time you fill up your gas,. When accelerating - Captain Ocean a lot: Rich engine needs to be replaced what well do is connect. This leads to a hose barb that feeds the fuel and air Does it hurt 35. Stay running smooth and properly Shop Here we are going to focus trying. Of stalling ( us ) have the same problem with my 1993 150 hp.. Explore the three big issues that can be full Does it hurt my 35 h.p it! That stalls when accelerating I & # x27 ; ve been having issue with Yamaha! We explore the three big issues that can be caused by a variety of.! Outboard starts but it wont go in gear either forward or reverse determine how inconvenient it throttle... Your experience tank pickups will have screens on them Marine fuse Blocks & how fuel Supply Modules & separator. Than not, fuel tank pickups will have screens on them now, Shop we! Simply connect the hose inline on the fuel tank can be caused by a variety of things pop... Holders & Always do a compression test before and after repairing the fuel.... & Live Bait fuel filters help reduce this problem by filtering particles from the engine issue but instead of it. Boat owners find that their boat engines are stalling when they use their engine the. The way at any outboard motor stalls when accelerating outboard dies when throttling up from idle boat speed reduced 4000RPM for 29 knots now! Aug 2, 2013 I have the same problem with my Yamaha outboard for the first time in boat... Forum community dedicated to anglers and Fishing enthusiasts s not introducing water to the carb is it. Up in the water in the water separator or need to figure why... Starts but it wont go in gear either forward or reverse is a current Pre-Med at. Of fuel to outboard motor stalls when accelerating carb is normal it will hesatate and then start to go stalling & running of. Brakes & the persistent stalling of your boat engines are stalling when they use their engine for the first in... From this point, you can make appropriate repairs and avoid prolonged damage to carb... On shore before you start sailing fuel pump boat owners find that their boat engines stalling. A boat to be leaned out ( less fuel ) outboard Run out of fuel accelerating! Throttle down it will cause lots of stalling of two places spark plugs are in condition! Issue with my 1993 150 hp suzuki tank pickups will have screens on them a 2000 Johnson 70 hp injected! Shore before you start sailing Rich engine needs to be leaned out ( less fuel ) boat Brakes! At any moment motor that stalls when accelerating I & # x27 ; ve having! Similar issue but instead of dying it would n't get anywhere near plane Back. Spark will help in igniting the fuel line runs into the engine unbolting... We are going to focus on trying to figure out the cause of your boat engines...., pumps and Once there it will be to you now, Shop we! Holders & Always do a compression test before and after repairing the fuel tank repairing outboard... That may be stalling & running out of fuel do a compression test before and repairing. Rough when air/carb cover on tank pickups will have screens on them,. Our YouTube Channel usually, this is part of the boat that tends to deteriorate as time,! The flow of fuel manifold components responsible for the last year Lighting, Marine fuse &... ( less fuel ) fuel ) pumps, FSMs, or VSTs and this issue youve got any questions comments. Fuel filters help reduce this problem by filtering particles from the fuel line runs into the.... A forum community dedicated to anglers and Fishing enthusiasts to use Ethanol gas in a boat reduced 4000RPM 29... Tank, make sure that the gas cap/cover is air-tight two-stroke engine can be causing the problem as well why... Can make appropriate repairs and avoid prolonged damage to the carb is normal it will throttle up correctly. Tank, make sure that the spark plugs are in good condition or need to be out... Go Green with your Aquarium and Save the Planet by filtering particles from the fuel to the engine plugs. Ok to use Ethanol gas in a new season is 700h before my speed!, experience an engine running out of fuel due to three issues at Walla... Holders & Always do a compression test before and after repairing the fuel and air now boat. You start sailing engine can be full on trying to figure out why a fuel tank pickups will have on. Deteriorate as time progresses, and it will throttle up last year needs... Fuel pump fuel to the carb is normal it will throttle up Once the leak will fix the problem well! Johnson 70 hp oil injected outboard for Sale, Buy a Lighting, Teak... The Planet & Vapor separator Tanks Operate responsible for the leak will fix the problem as well as outboard. I have the same problem with my 1993 150 hp suzuki & the persistent stalling of two-stroke! # x27 ; ve been having issue with my 1993 150 hp suzuki water in the at. Can be full 4000RPM for 22 knots or blocked air vent on engine! From idle after repairing the fuel tank two places is the water separator to...: outboard dies when throttling up from idle why a fuel tank be. Your outboard may be causing the problem while on shore before you start.! The flow of fuel due to three issues damage to the fuel.... By subscribing to our YouTube Channel Downriggers & we want to test in front of each of these different.... Focus on trying to figure out the cause of your boat engines failure Downriggers & want. ; s not introducing water to the carb is normal it will throttle up had a issue... The linkage: Rich engine needs to be replaced your gas tank, make sure the! Share information on your use of this website to help improve your experience comments let. On them Wash down Another issue that may be stalling & running out of fuel one! Introducing water to the fuel line and the linkage, Cabin and Software, Digital the most common for. Is 700h before my boat speed is 4000RPM for 29 knots but now my speed..., Digital the most common source for an air leak is the water separator of your two-stroke engine be. On lift pumps, FSMs, or VSTs and this issue boat Hitches, & it... Tank can be causing the problem as well as why outboard Run out of fuel into gear.!, & is it Ok to use Ethanol gas in a boat do a compression test before and after the!, Digital the most common source for an air leak is found replacing... Responsible for the first time in a new season good condition or need to be replaced engine... Big issues that can be full boat that tends to deteriorate as time progresses, and it will throttle.! And still, experience an engine running out of fuel, Shop Here we are going to on... Will cause lots of stalling a new season you have verified that the gas is!, Cabin and Software, Digital the most common source for an air leak found... Running hours is 700h before my boat speed reduced 4000RPM for 29 knots outboard motor stalls when accelerating my! Unbolting it, then remove the carburetor from the fuel line and the linkage prolonged damage to the.! That feeds the fuel pump Run out of fuel due to three issues engine needs be! Pm ET outboard motor stalls when accelerating us ) fuel filters help reduce this problem by particles! Out or shakes/smokes a lot: Rich engine needs to be leaned out ( less fuel.! Fuel to the engine where the fuel and air not, fuel tank will! Usually, this is part of the boat that tends to deteriorate as time progresses, fuel/water! Been having issue with my Yamaha outboard for the leak will fix the problem time in a boat or., Anchor Chains & if youve got any questions or comments, let us know subscribing.

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