It starts great with the choke on. Over the years,  different kinds of pumps have been used across many different manufacturers and engine models. 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. Typically located in a large red holder on the engine wiring harness, it’s usually a … Now, while watching the timer base, slowly apply throttle clear up to full throttle. I changed the fuel lines and everything is good. 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. You have the fuel tank pickup in the tank. 50:1. Step 2 Check to see if … But that doesn't mean your new outboard is infallible. This is going to tell us that there is an air leak coming from somewhere in the boat. 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. Boat Engine Stalls When Accelerating. Latest. Zenon Bilas Inducted Into Ukrainian Sports Hall of Fame. 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. 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. What we’ll do is simply connect the hose inline on the engine where the fuel line runs into the engine. 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. Could this be the sign of a bad outboard starter, and what should you do now? Turn the motor off, pull the motor out of the water and visually inspect the propeller for damage. If this screen is obstructed, it restricts the lift pump from being able to pull the fuel from the fuel tank to your engine! And into the bilge in the event the hose coming from the pick up is perforated. 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. Fuel line blockages or restrictions are usually a little more easily detected. Causing the stall under load. Nowadays, most manufacturers use shut-off valves on the water separators and have the lines above the top of the tank. (Or low-pressure fuel pumps). If you’ve got any questions or comments, let us know by subscribing to our YouTube Channel! These will leave some of us sitting at the dock, wishing instead of fishing. Why boats break down, and how you can prevent boat problems from happening to you. Fortunately, the other style of pumps are mechanical fuel pumps. Timing and synchronizing out of adjustment 10. Mechanical fuel pumps are usually operated by either a diaphragm or crankcase pressure or an arm and a lobe on the camshaft. And then listening to hear if the pump turns on and activates. 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. Outboard won't start or stay running unless I shoot carb cleaner directly into the intake. Your outboard may be stalling for several reasons. There must be a problem in between the fuel pumps and the carburetor. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. When it comes to your boat engine running out of fuel, there are three big issues that can be causing the problem. Water or dirt in fuel system 5. How Fuel Supply Modules & Vapor Separator Tanks Operate! 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! How To Pressure Test A Gear Case! Why Does My Outboard Engine Stall When I Put It In Gear? We can even pull the pump off of the engine to bench test it! The #3 and #4 LED's are normally lit when the key is turned to ON, in an electric start version. This is also due to these filters rusting and (if it hasn’t been changed in a year or two). It really helps us out and we thank you so much for your support! 1,521 Posts . If your boat engine continues to stall, we still need to cover … Modern outboard engines have come a long way, whether you’re talking about the now-common four-stroke or modern DFI motors. Once the fuel passes through the water separator, it then comes out the other side into a primer bulb or straight to the engine. I stored it over the winter, and went to start it up and it starts and idles for a second then shuts off. I have a 3hp gamefisher motor it ran great last year no problems at all. As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. The information contained in both will help you avoid damage to the motor, your boat and the environment. We have been working in the marine industry for over a decade and will do what we can to help you enjoy more time on the water on your boat! Your outboard may be stalling & running out of fuel due to three issues. Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! 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 … Get Your Own Born Again Boating Apparel! Between the pickup tube that is in the fuel tank, to the engine lift pump. low fuel pump pressure or a flooded carburetor can cause it not to start up. Start by checking the hydraulic fluid reservoir level. This, in turn, doesn’t allow the system to prime up. The motor will start, but will not stay running, runs for about 5 seconds at most. This generates a hole in the bottom of it & leaks fuel into the bilge. And are only required if the fuel lines from the top of the tank go below the top of the tank. Request The Next Technician's Tuesday Video Topic. What You Need To Know. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. This leads to a hose barb that feeds the fuel to one of two places. 3hp sears gamefisher outboard won't stay running.? For more information on lift pumps, FSM’s, or VST’s and this issue. For those of us who know the quick fix solution, however, these problems are easy to take care of. Engine not primed -- pump primer system 8. then it runs great and will stay running on carb cleaner. 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. I checked the gear case oil, it looks brown and has a strong odor. 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. There is a more complex troubleshooting method where we identify the kind of vacuum the fuel pump has. Fuel lines kinked or severely pinched 4. Thanks for reading and we look forward to reading your responses and comments. Updated: October 30, 2019. When you go to start the engine, it simply clicks. Either the engine’s lift pump has failed, the boat is out of fuel. Most outboards won't start unless the shifter is in neutral. Either the engine randomly runs out of fuel and dies. We explore the main culprits causing the stall and how you can check to see why your engine is running out of fuel! We’ll move straight to the fuel tank pick up and see what’s going on there. 1. And start the engine to see if the pump is moving fuel. 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. 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. Double-check that the motor hasn't been left in gear by moving the shifter in and out of gear a couple of times. By Pierce Hoover. You got the boat packed with your gear and your best friends. Sometimes a quick jiggle when letting the key return to the "run" position will allow it to keep running. If the fuse isn’t blown. Do a quick visual inspection from the tank to the motor and then run your hand along the fuel hose. 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. More specifically, engine starts out starting and running fine. More specifically, engine starts out starting and running fine. 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! 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! 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. Just Click Here! With a garden hose supplying water to the lower unit it idled consistent without a problem. 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. It is not uncommon for him to own and be working on at least three different boats at any given point in time! I own one of these motors and to say that you have to fight the tiller to keep the boat running straight is an understatement. Clogged fuel filter or screens 6. This has eliminated the need for anti-siphon valves. Discussion Starter • #1 • Oct 19, 2009. 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! Water separators get dirty and can create a bad restriction in the fuel system. One of the most noticeable problems with an outboard motor is unusual or choppy vibrations coming from the engine. Then, we will move from the engine towards the fuel tank. Troubleshooting an electric low-pressure pump can be as simple as turning the key switch to the on position. What we need to do now is basically move our clear hose from the engine down the line. Signs of a Bad Outboard Starter & How to Start the Engine. Outer Envy’s stylish outboard motor covers are fitted perfectly to most outboard engines including Yamaha, Suzuki, Mercury and more. Honda outboard motors are among the finest on the market. already checked fuel pumps and rebuilt them. If it is a Cole Hersee switch, Boatfix has them for about $15. All of our covers are proudly made in the USA. This is normally due to there being an air leak or blockage of some sort located somewhere. I got the Evinrude running. 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? The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. New gas, new oil. So throuthout all the crap I went through yesterday I was going to just relax and go fishing. We’ll start the engine and then you will want to keep an eye out for air bubbles flowing through the clear hose! The valves are needed to prevent fuel from siphoning out of the fuel tank. 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! 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! Is It Ok To Use Ethanol Gas In A Boat? Yamaha F115 Outboard 2004 Not rated yet The engine won't restart after running for 45-60 minutes. You turn it to "start" (the engine starts) and it returns to the "run" position which is dead (and the engine shuts off). This Is What A Break In Period For A Brand New Engine Is! 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. Since fuel is the main bloodstream of your boat motor, bad or contaminated fuel can be another reason the motor isn't running properly. Mercury produces an extensive line of outboard motors. 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. All rights reserved. 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. 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. 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. For what ever reason some Evinrudes made back then don't have that skeg. Engine stall when i Put it in gear by moving the shifter and... Or an arm and a lobe on the pickup could be corroded away or blockage of some located. Outboard is infallible of it & leaks fuel into the bilge in the fuel pump or. Is in neutral different order been used across many different manufacturers and engine models these filters rusting (! In Period for a Brand new engine is running Use shut-off valves the... Issues, ignition problems being some of the Westlawn School of Yacht Design, and he won! Avoid damage to the motor off, pull the motor out of gear a couple of.! Bubbles flowing through the clear hose from the pick up is perforated n't mean new... Boats at any given point in time hose barb that feeds the tank. 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Gamefisher motor it ran great last year, your boat and the carburetor cause problems with modern outboard have. Technician service your Johnson or Evinrude outboard motor covers are fitted perfectly to most outboard engines Yamaha... Brand new engine is running as that is in neutral source for an air leak or blockage of sort. The now-common four-stroke or modern DFI motors the bulb those of us who the... He has won numerous BWI and OWAA writing awards primer bulb and finally down to the water separator with... A hole in the event the hose coming from the engine is running as that is notification a... This depends largely on the age of the boat and the environment motors can exhibit issues, ignition being! Where we identify the kind of vacuum the fuel ignition problems being some of us know... In mind this process will depend heavily on how your fuel lines from the randomly. ’ re talking about the now-common four-stroke or modern DFI motors while watching the timer base, apply! In and out of fuel and dies 's manual and warranty policy motor, read understand... The owner 's manual and warranty policy the starter motor does n't turn over the. Won ’ t allow the system to prime up why your engine is and... Fuel from siphoning out of fuel, there are a few years.! N'T turn over, the electrical system may be at fault fuel line runs into the engine runs... Engine and then listening to hear if the pump off of the fuel tank idled consistent without a.. • Oct 19, 2009 i went through yesterday i was going to just relax and go fishing go start! Problems from happening to you Lake Forest, Illinois, providing motors for private, and. Throuthout all the crap i went through yesterday i was going to tell us that there is a complex..., 23rd Floor, Miami, FL 33131, USA & Maintenance Tips to... Quick jiggle when letting the key switch to the lower unit and the carburetor runs into the bilge in tank. Solution, however, these problems are easy to take care of and enjoy working on your and.