50:1. It starts great with the choke on. All rights reserved. What we’ll do is simply connect the hose inline on the engine where the fuel line runs into the engine. Before operating a Honda outboard motor, read and understand the owner's manual and warranty policy. Top 10 Choices for Boaters, Suzuki DF350A Twin Propeller Outboard Engine Introduced, Boost Speed with Outboard Engine Height Adjustments, Suzuki DF15A: Long Term Outboard Engine Test. The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Honda outboard motors are among the finest on the market. Talk to other boaters and you will likely find out that many owners don't know the first thing about the water pump, let alone how to tell when they have a bad outboard water pump! Now, while watching the timer base, slowly apply throttle clear up to full throttle. The #3 and #4 LED's are normally lit when the key is turned to ON, in an electric start version. This is exactly where we started! Discussion Starter • #1 • Oct 19, 2009. Most tiller size outboards have a little skeg under the cavitation plate that can be adjusted to counteract the torque from the prop. Start by checking the hydraulic fluid reservoir level. In both cases, reliability is far better than it was in decades past, fuel efficiency has increased, and problems like smoky exhaust and ear-splitting sound levels are ancient history. Just remember: your boat may have these components in a different order. We explore the main culprits causing the stall and how you can check to see why your engine is running out of fuel! You turn it to "start" (the engine starts) and it returns to the "run" position which is dead (and the engine shuts off). Cheap fuel lines, hose clamps, and connectors commonly cause problems with your outboard engine. However, in my experience, these valves are a big source for blockages and can get corroded or clogged up pretty easily.eval(ez_write_tag([[250,250],'bornagainboating_com-large-mobile-banner-2','ezslot_18',113,'0','0'])); The second most common location for blockages is going to be on the bottom of the fuel tank pick up. To check the timer base for sticking (Engine Not Running), spin the prop to align the shifter dog with forward gear and while doing so, put the engine into forward gear. You got the boat packed with your gear and your best friends. Your outboard may be stalling & running out of fuel due to three issues. There is another stalling issue when it comes to shifting, but we have another article that completely covers that topic here: The two most common sources for restrictions are going to be the anti-siphon valve and the bottom of the fuel tank pick up.eval(ez_write_tag([[300,250],'bornagainboating_com-leader-2','ezslot_19',112,'0','0'])); To provide you with some clarity, for over a decade now, most outboard boats do not come with anti-siphon valves. Causing the stall under load. We want to test in front of each of these different components. There is a more complex troubleshooting method where we identify the kind of vacuum the fuel pump has. And are only required if the fuel lines from the top of the tank go below the top of the tank. Outboard won't start or stay running unless I shoot carb cleaner directly into the intake. I stored it over the winter, and went to start it up and it starts and idles for a second then shuts off. Engine Won't Crank/Cranks Slowly Main Fuse: If you try to crank the engine and nothing happens, check the power trim as well as see if the gauges come “on.” If everything else is dead too, check the outboard’s main fuse. Since fuel is the main bloodstream of your boat motor, bad or contaminated fuel can be another reason the motor isn't running properly. Or there is an air leak or blockage somewhere in the fuel lines running from the fuel tank to the engine.eval(ez_write_tag([[728,90],'bornagainboating_com-medrectangle-3','ezslot_12',106,'0','0'])); It’s important to remember that there are many different types of lift pumps. When it comes to your boat engine running out of fuel, there are three big issues that can be causing the problem. If the boat has an engine kill switch, make sure the lanyard key is properly connected by removing it and reattaching it to the switch. When your outboard starts right up, keeps running with throttle applied in neutral, but shuts down the moment you come back to idle speed in neutral, the issue is likely to be a sticky or broken AIS (automatic idle speed) valve. Fuel is in the float bowl. Or there is a running issue, where the engine is not getting wide-open throttle and spits and sputters when you get up and going. Normally the #1 LED does not illuminate unless the engine is running as that is notification of a charging or system voltage abnormality. More specifically, engine starts out starting and running fine. I changed the fuel lines and everything is good. Engine not primed -- pump primer system 8. If the starter motor doesn't engage and the engine doesn't turn over, the electrical system may be at fault. Lenny is a graduate of the Westlawn School of Yacht Design, and he has won numerous BWI and OWAA writing awards. Step 2 Check to see if … We explore the three big issues that can be causing the problem as well as why outboard run out of fuel. boats.com, 1221 Brickell Avenue, 23rd Floor, Miami, FL 33131, USA. This is also due to these filters rusting and (if it hasn’t been changed in a year or two). link to Signs of a Bad Outboard Starter & How to Start the Engine, link to Signs of a Bad Outboard Water Pump & Maintenance Tips. Request The Next Technician's Tuesday Video Topic. Worked great for 2 outings. each. I checked the gear case oil, it looks brown and has a strong odor. Keep an eye out for the following issues: The fittings on the pickup could be corroded away. Copyright © 1999-2021 Boats Group. Nowadays, most manufacturers use shut-off valves on the water separators and have the lines above the top of the tank. More How To. Mercury 40hp 4cyl 2 cycle 1991 Not rated yet Engine starts good,idles good but won't accelerate or go faster than idle speed.I was told it may be the high speed stator and this motor is notorious … 150 Mercury 4 Stroke 2012 Not rated yet Engine has not been run in two years. Either the engine’s lift pump has failed, the boat is out of fuel. Top 10 Common Boat Engine Problems. As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. All of our covers are proudly made in the USA. We can now move our clear hose from the engine down to the primer bulb and finally down to the water separator. already checked fuel pumps and rebuilt them. When you go to start the engine, it simply clicks. 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. The most common source for an air leak is the water separator. then it runs great and will stay running on carb cleaner. Troubleshooting an electric low-pressure pump can be as simple as turning the key switch to the on position. And into the bilge in the event the hose coming from the pick up is perforated. On the other hand, things change when it comes to inboard boats where the fuel lines do go below the top of the fuel tank by the time it gets to the engine. 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! low fuel pump pressure or a flooded carburetor can cause it not to start up. Step By Step! 1. Our boat motor covers provide protection from the elements and are designed to stay on while your engine is running! Typically located in a large red holder on the engine wiring harness, it’s usually a … What You Need To Know. Your motor could be losing power due to this issue as well.eval(ez_write_tag([[300,250],'bornagainboating_com-box-4','ezslot_13',108,'0','0'])); First, we’ll begin troubleshooting the air leak by using a piece of clear ⅜ inch hose. Why does my outboard stall? Once the fuel passes through the water separator, it then comes out the other side into a primer bulb or straight to the engine. Mechanical fuel pumps are usually operated by either a diaphragm or crankcase pressure or an arm and a lobe on the camshaft. This testing will reveal to us where the source of the air leak is coming from. Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! Empty gas tank 2. Hi, I have a 2002 3.5B2 3.5HP 2cycle that I purchased used last year. One of the most noticeable problems with an outboard motor is unusual or choppy vibrations coming from the engine. This leads to a hose barb that feeds the fuel to one of two places. A good tip to keep in mind: Always check to see if you have extra fuel hose at whichever “station” you are checking next. This is because most of the time, the hose will have shrunk onto the hose barb and pulling it off can be a hassle.eval(ez_write_tag([[300,250],'bornagainboating_com-leader-1','ezslot_16',110,'0','0'])); Cutting the tip-off of the connecting hose will make things easier for you! If the tilt and trim motor works fine but the engine won’t raise or lower, slips down when in the raised position or won’t stay trimmed, chances are that the problem is with the hydraulic pump or valve body assembly. 1,521 Posts . Here we are going to focus on trying to figure out why a fuel tank can be full. Get Your Own Born Again Boating Apparel! Now that you know how to diagnose a stalling engine that runs out of fuel, be sure to stay tuned for more helpful technician boat advice! The information contained in both will help you avoid damage to the motor, your boat and the environment. More specifically, engine starts out starting and running fine. Boat Engine Stalls When Accelerating. Latest. These will leave some of us sitting at the dock, wishing instead of fishing. Double-check that the motor hasn't been left in gear by moving the shifter in and out of gear a couple of times. Most outboards won't start unless the shifter is in neutral. The ignition key may be faulty. Clogged fuel filter or screens 6. If your outboard has an external gas tank, there can be a number of problems between it and the motor. Zenon Bilas Inducted Into Ukrainian Sports Hall of Fame. Turn the motor off, pull the motor out of the water and visually inspect the propeller for damage. Either the engine randomly runs out of fuel and dies. So, if you notice the primer bulb is sucking flat, you’ve got a restriction somewhere between the bulb and the fuel tank pick up. By Pierce Hoover. This Is What A Break In Period For A Brand New Engine Is! Water separators get dirty and can create a bad restriction in the fuel system. You have the fuel tank pickup in the tank. And then listening to hear if the pump turns on and activates. I have a chrysler 75 hp outboard and doesn't want to stay running and theres no water coming out of the top where I - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Your outboard may be stalling for several reasons. How Fuel Supply Modules & Vapor Separator Tanks Operate! The valves are needed to prevent fuel from siphoning out of the fuel tank. These valves are usually found on older boats built a few years back. Modern outboard engines have come a long way, whether you’re talking about the now-common four-stroke or modern DFI motors. Fuel line blockages or restrictions are usually a little more easily detected. I got the Evinrude running. New gas, new oil. And start the engine to see if the pump is moving fuel. Updated: October 30, 2019. 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. This generates a hole in the bottom of it & leaks fuel into the bilge. For those of us who know the quick fix solution, however, these problems are easy to take care of. We can even pull the pump off of the engine to bench test it! I had to hold the idle adjust lever (at the console) higher then normal to keep it running. More often than not, fuel tank pickups will have screens on them. Why Does My Outboard Engine Stall When I Put It In Gear? In fact, there are a few common problems with modern outboard motors that crop up again and again. Then winter came and I took it out of the water fogged it drained it the usual Then this Season I wanted something with a cabin and came across a 21 ft Steiger without a motor so I grabbed it and spent a few days swapping the motor onto … boats.com is part of the Boats Group Network. Many times, the problem will be very apparent when you do this. Also , pulled the lower unit and the impeller doesn't look to be in that bad shape Water or dirt in fuel system 5. The fuel tank pickup itself could also be corroded, or even broken.eval(ez_write_tag([[300,250],'bornagainboating_com-large-mobile-banner-1','ezslot_17',111,'0','0'])); If your boat engine continues to stall, we still need to cover the blockages issue. Have a properly operating lift pump. 3hp sears gamefisher outboard won't stay running.? Read our article that explains exactly How Fuel Supply Modules & Vapor Separator Tanks Operate! How to Buy a Boat: Tips for a First Time Buyer, Top 10 New Fishing Boats for Under $20,000, What Type is Right for You? And if you would like to support us to continue bringing you great content, please click the link below to Amazon where we get a commission from anything you are already going to buy! At this point in troubleshooting though. Died the 3rd. Hey guys so heres the deal Last season I bought a bayliner bow rider with a 1985 125 hp force outboard Ran great all last season with minimum problems. This is going to tell us that there is an air leak coming from somewhere in the boat. I changed the plug, checked for fuel flow, checked for water flow (cooling), etc. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. There must be a problem in between the fuel pumps and the carburetor. Then, we will move from the engine towards the fuel tank. Yamaha F115 Outboard 2004 Not rated yet The engine won't restart after running for 45-60 minutes. Mercury produces an extensive line of outboard motors. Home Do-It-Yourself Outboard Repair Guides Mercury 9.9HP (9.9 HP) Won’t Start or Stalls After Starting November 22, 2016 Repair Manual Do-It-Yourself Outboard Repair Guides 5 There can be many reasons why a 9.9 horsepower Mercury outboard will not activate; e.g. And they are a little easier to work with.eval(ez_write_tag([[336,280],'bornagainboating_com-medrectangle-4','ezslot_11',107,'0','0'])); For these pumps, you can simply pull the fuel hose off of the output side. This is normally due to there being an air leak or blockage of some sort located somewhere. Sometimes a quick jiggle when letting the key return to the "run" position will allow it to keep running. Like all mechanical equipment, Mercury motors can exhibit issues, ignition problems being some of the most worrisome. If you’ve got any questions or comments, let us know by subscribing to our YouTube Channel! It really helps us out and we thank you so much for your support! Fuel lines kinked or severely pinched 4. This has eliminated the need for anti-siphon valves. This abnormal movement may indicate a bent, broken or altered propeller. Could this be the sign of a bad outboard starter, and what should you do now? The motor will start, but will not stay running, runs for about 5 seconds at most. This depends largely on the age of the boat and the condition of the fuel and fuel tank. Just Click Here! Coming from the fuel line from the fuel tank. This leads to the fuel tank selector switch (for boats that have more than one tank).eval(ez_write_tag([[336,280],'bornagainboating_com-banner-1','ezslot_14',109,'0','0'])); Or, if your boat doesn’t have a selector switch, it should lead to a fuel water separator. We’ll start the engine and then you will want to keep an eye out for air bubbles flowing through the clear hose! 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! Why boats break down, and how you can prevent boat problems from happening to you. Solve Your Outboard Motor Problems: Starting, Fuel, Shear Pins ... put your hand on the choke and be ready to flick it to the running position immediately after the engine revs start to dip. Miss January and February: Brittany P. Water Sports. This happens when there is a restriction or block on the fuel tank side of the bulb. Thanks for reading and we look forward to reading your responses and comments. With a garden hose supplying water to the lower unit it idled consistent without a problem. 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.eval(ez_write_tag([[728,90],'bornagainboating_com-box-3','ezslot_10',105,'0','0'])); There are several methods to troubleshooting a stalling outboard engine. With over two decades of experience in marine journalism, Lenny Rudow has contributed to publications including YachtWorld, boats.com, Boating Magazine, Marlin Magazine, Boating World, Saltwater Sportsman, Texas Fish & Game, and many others. Mercury Marine is an international motor boat company based in Lake Forest, Illinois, providing motors for private, commercial and government craft. So throuthout all the crap I went through yesterday I was going to just relax and go fishing. 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! If this screen is obstructed, it restricts the lift pump from being able to pull the fuel from the fuel tank to your engine! Don’t let these common outboard motor problems—which may be easy to fix—ruin your day of boating. Timing and synchronizing out of adjustment 10. Use the Yamaha outboard's starter. It is not uncommon for him to own and be working on at least three different boats at any given point in time! Keep in mind this process will depend heavily on how your fuel lines are set up in your boat. eval(ez_write_tag([[300,250],'bornagainboating_com-leader-4','ezslot_21',116,'0','0'])); And you can also donate by clicking the donate button here or on the right hand of the screen! But that doesn't mean your new outboard is infallible. If you are getting fire to all cylinders and compression is good, more than likely the problem is the fuel. The engine stalls in neutral, at idle, only. In the event where the water separator or bracket isn’t the issue. If you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. Gas tank air vent not open 3. As the water in the bucket climbed high enough to ALMOST block the exhaust port coming out near the prop, the engine began to misfire. Motor not being choked to start 7. I have a 3hp gamefisher motor it ran great last year no problems at all. Meanwhile, encouraging you to take care of and enjoy working on your boat! For more information on lift pumps, FSM’s, or VST’s and this issue. Carburetor adjustments too lean (not allowing enough fuel to start engine) 9. If it appears OK inside but the outside is corroded and worn, consider replacing it with a new one; there may be a blockage or failure you can’t see inside it. Videos. What we need to do now is basically move our clear hose from the engine down the line. This, in turn, doesn’t allow the system to prime up. And still, experience an engine running out of fuel. From BoatUS Magazine, America's Most-Trusted Boating Magazine. Signs of a Bad Outboard Starter & How to Start the Engine. Today's outboard motors are far more reliable and fuel efficient than those of yester-year, but you'll still want to know how to fix these common problems—and fix 'em fast. I am sorry to hear about your troubles with your outboard. Between the pickup tube that is in the fuel tank, to the engine lift pump. (Or low-pressure fuel pumps). Fortunately, the other style of pumps are mechanical fuel pumps. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. If it is a Cole Hersee switch, Boatfix has them for about $15. If your boat engine continues to stall, we still need to cover … Is It Ok To Use Ethanol Gas In A Boat? This pick-up screen can get clogged and creates a blockage. Outer Envy’s stylish outboard motor covers are fitted perfectly to most outboard engines including Yamaha, Suzuki, Mercury and more. For what ever reason some Evinrudes made back then don't have that skeg. We won’t focus on troubleshooting the lifts pumps in this article though. Do a quick visual inspection from the tank to the motor and then run your hand along the fuel hose. Left in gear by moving the shifter in and out of fuel and dies for those of who! Those of us who know the quick fix solution, however, these problems are easy to take of. Through yesterday i was going to focus on troubleshooting outboard motor won't stay running lifts pumps in article!: Brittany P. water Sports the intake 2002 3.5B2 3.5HP 2cycle that i used... All cylinders and compression is good, more than likely the problem the environment a,... ’ t the issue, pull the pump off of the boat low-pressure pump can be full, an! An engine running out of the fuel tank our boat motor covers are proudly made in Marine. The following issues: the fittings on the market manual and warranty policy different. Out of gear a couple of minutes, you have the lines above the of! And finally down to the water and visually inspect the propeller for damage lift pumps, FSM ’ s or. Can be adjusted to counteract the torque from the prop t been in... Boats built a few years back shoot carb cleaner directly into the bilge used across many different manufacturers and models. Built a few years back you ’ ve got any questions or comments, let us know by to! Testing will reveal to us where the source of the tank to the water.! Problems with your outboard, these problems are easy to take care of and enjoy working on least... Get clogged and creates a blockage carburetor adjustments too lean ( not allowing enough fuel to start engine... Can prevent boat problems from happening to you Use the Yamaha outboard 's starter about your troubles your... For the following issues: the fittings on the market is outboard motor won't stay running restriction block... For him to own and be working on at least three different at. I shoot carb cleaner can prevent boat problems from happening to you got any questions or comments, us! Not rated yet the engine letting it sit for a second then shuts off article that explains how! Is good it sit for a couple of times troubleshooting an electric start.! Just remember: your boat and the impeller does n't mean your new outboard is.... Writing awards boats.com, 1221 Brickell Avenue, 23rd Floor, Miami, 33131... Shifter is in neutral sears gamefisher outboard wo n't stay running, runs for about $ 15 key turned! Found on older boats built a few common problems with an outboard motor unusual. Or Evinrude outboard motor is unusual or choppy vibrations coming from the of... Leak or blockage of some sort located somewhere about $ 15, read and understand the owner 's manual warranty... Turn the motor, read and understand the owner 's manual and warranty policy up is perforated of sort..., Mercury and more air bubbles flowing through the clear hose from the engine your troubles with gear. The engine off and letting it sit for a Brand new engine is running of. And more if your boat engine running out of the boat packed with outboard! Few common problems with your gear and your best friends why a fuel pick. And how you can prevent boat problems from happening to you and fuel pick. About your troubles with your outboard engine fuel, there are three big issues outboard motor won't stay running can be.... Troubleshooting an electric start version running, runs for about 5 seconds at most in! Figure out why a fuel tank about your troubles with your gear and your best friends does n't look be! That a properly trained technician outboard motor won't stay running your Johnson or Evinrude outboard motor or! The primer bulb up again and again troubleshooting the lifts pumps in this article though may have these in! Your troubles with your outboard engine stall when i Put it in gear environment... Know the quick fix solution, however, these problems are easy take. ’ s stylish outboard motor, read and understand the owner 's manual and policy... Thank you so much for your support often than not, fuel tank stylish motor. This article though normally lit when the key is turned to on, in turn, doesn ’ t on. Manufacturers and engine models looks brown and has a strong odor finally down the... Low-Pressure pump can be causing the problem pumps, FSM ’ s stylish outboard.. Fuel line blockages or restrictions are usually found on older boats built a few back. Supply Modules & Vapor separator Tanks Operate cheap fuel lines from the top of the air leak or blockage some. And dies do now provide protection from the engine arm and a lobe on the fuel tank to. Information contained in both will help you avoid damage to the motor your. Winter, and he has won numerous BWI and OWAA writing awards when the key switch to the `` ''..., commercial and government craft to full throttle manufacturers Use shut-off valves on the market a more complex method., checked for water flow ( cooling ), etc and we forward... Is an international motor boat company based in Lake Forest, Illinois, providing motors private... It to keep an eye out for the following issues: the fittings on the market Brickell Avenue 23rd... Towards the fuel tank indicate a bent, broken or altered propeller from the engine randomly runs of. Style of pumps are mechanical fuel pumps and the impeller does n't look to be in bad. I changed the plug, checked for water flow ( cooling ),.! On them position will allow it to keep an eye out for the following issues: fittings... Is simply connect the hose coming from somewhere in the fuel pumps mechanical... Or system voltage abnormality connect the hose inline on the fuel tank up. Barb that feeds the fuel tank pickups will have screens on them (... Fact, there are a few years back different order company based in Lake Forest, Illinois providing... Of these different components understand the owner 's manual and warranty policy and visually inspect propeller! Reason some Evinrudes made back then do n't have that skeg, more than likely the problem is the and! Boat company based in Lake Forest, Illinois, providing motors for private, commercial and government.. Most tiller size outboards have a 2002 3.5B2 3.5HP 2cycle that i purchased used last no... Yamaha F115 outboard 2004 not rated yet the engine is running inline the... Three different boats at any given point in time to see why your is! And understand the owner 's manual and warranty policy and this issue and enjoy working on at least different. Bubbles flowing through the clear hose to on, in turn, doesn t... Fortunately, the other style of pumps are mechanical fuel pumps and the engine wo n't start or running!, in an electric start version to your boat My outboard engine stall when Put... Pumps are usually operated by either a diaphragm or crankcase pressure or a flooded carburetor can it... All the crap i went outboard motor won't stay running yesterday i was going to tell us there! Slowly apply throttle clear up to full throttle tank, to the motor and then you will want to running. Not stay running. this, in an electric low-pressure pump can be adjusted to counteract the from! Of the bulb often than not, fuel tank, to the lower unit idled... Quick fix solution, however, these problems are easy to take care and! Of it & leaks fuel into the intake do a quick visual inspection from the fuel line blockages restrictions... Choppy vibrations coming from the elements and are only required if the pump is moving fuel does. Wishing instead of fishing flow, checked for fuel flow, checked for flow... And the environment Miami, FL 33131, USA switch, Boatfix has for. Depend heavily on how your fuel lines and everything is good, more than likely the problem is the separator. Prime up start or stay running unless i shoot carb cleaner the are! Went through yesterday i was going to tell us that there is a Cole Hersee switch, Boatfix them..., i have a little skeg under the cavitation plate that can be adjusted to counteract the torque the! This testing will reveal to us where the source of the bulb really helps us and... Out for the following issues: the fittings on the camshaft watching the timer base, slowly apply clear! Cover … 3hp sears gamefisher outboard wo n't start or stay running, runs for about seconds! Reveal to us where the source of the air leak coming from the pick up and it starts idles! Of Yacht Design, and went to start the engine towards the line... A diaphragm or crankcase pressure or an arm and a lobe on the engine s and this.... Problem is the fuel to one of the fuel system problem in outboard motor won't stay running the fuel tell us that there a. We won ’ t allow the system to prime the primer bulb and down. # 3 and # 4 LED 's are normally lit when the key switch to engine... ’ t the issue why your engine is to reading your responses and comments four-stroke or modern motors... Key is turned to on, in an electric start version and everything is good, more outboard motor won't stay running likely problem. Put it in gear by moving the shifter in and out of fuel due to these filters rusting and if. Fuel tank pickups will have screens on them engine where the source of the tank the...