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. 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. 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. 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. More specifically, engine starts out starting and running fine. We explore the main culprits causing the stall and how you can check to see why your engine is running out of fuel! 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. The ignition key may be faulty. 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. This is exactly where we started! Cleaning the jets in a boat motor carb without removing the carb. 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. Turn the motor off, pull the motor out of the water and visually inspect the propeller for damage. Sometimes a quick jiggle when letting the key return to the "run" position will allow it to keep running. Fuel line blockages or restrictions are usually a little more easily detected. 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. Coming from the fuel line from the fuel tank. then it runs great and will stay running on carb cleaner. 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. Honda outboard motors are among the finest on the market. For those of us who know the quick fix solution, however, these problems are easy to take care of. At this point in troubleshooting though. Updated: October 30, 2019. 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! If the starter motor doesn't engage and the engine doesn't turn over, the electrical system may be at fault. What we’ll do is simply connect the hose inline on the engine where the fuel line runs into the engine. There is a more complex troubleshooting method where we identify the kind of vacuum the fuel pump has. Just Click Here! Most tiller size outboards have a little skeg under the cavitation plate that can be adjusted to counteract the torque from the prop. More specifically, engine starts out starting and running fine. We’ll move straight to the fuel tank pick up and see what’s going on there. How Fuel Supply Modules & Vapor Separator Tanks Operate! Causing the stall under load. If it is a Cole Hersee switch, Boatfix has them for about $15. Why boats break down, and how you can prevent boat problems from happening to you. Hi, I have a 2002 3.5B2 3.5HP 2cycle that I purchased used last year. 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. Your outboard may be stalling & running out of fuel due to three issues. 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. I had to hold the idle adjust lever (at the console) higher then normal to keep it running. boats.com, 1221 Brickell Avenue, 23rd Floor, Miami, FL 33131, USA. Most outboards won't start unless the shifter is in neutral. Latest. Died the 3rd. Like all mechanical equipment, Mercury motors can exhibit issues, ignition problems being some of the most worrisome. Your outboard may be stalling for several reasons. Videos. For what ever reason some Evinrudes made back then don't have that skeg. Cheap fuel lines, hose clamps, and connectors commonly cause problems with your outboard engine. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. Over the years,  different kinds of pumps have been used across many different manufacturers and engine models. Empty gas tank 2. 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! 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. Have a properly operating lift pump. All of our covers are proudly made in the USA. each. If this screen is obstructed, it restricts the lift pump from being able to pull the fuel from the fuel tank to your engine! When you go to start the engine, it simply clicks. This leads to a hose barb that feeds the fuel to one of two places. For more information on lift pumps, FSM’s, or VST’s and this issue. 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! Miss January and February: Brittany P. Water Sports. Before operating a Honda outboard motor, read and understand the owner's manual and warranty policy. 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! 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! Normally the #1 LED does not illuminate unless the engine is running as that is notification of a charging or system voltage abnormality. We can even pull the pump off of the engine to bench test it! Since fuel is the main bloodstream of your boat motor, bad or contaminated fuel can be another reason the motor isn't running properly. And still, experience an engine running out of fuel. Signs of a Bad Outboard Starter & How to Start the Engine. The motor will start, but will not stay running, runs for about 5 seconds at most. These will leave some of us sitting at the dock, wishing instead of fishing. This abnormal movement may indicate a bent, broken or altered propeller. It starts great with the choke on. 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. This pick-up screen can get clogged and creates a blockage. If the fuse isn’t blown. 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. Between the pickup tube that is in the fuel tank, to the engine lift pump. Request The Next Technician's Tuesday Video Topic. Discussion Starter • #1 • Oct 19, 2009. Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! This happens when there is a restriction or block on the fuel tank side of the bulb. 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. But that doesn't mean your new outboard is infallible. From BoatUS Magazine, America's Most-Trusted Boating Magazine. Lenny is a graduate of the Westlawn School of Yacht Design, and he has won numerous BWI and OWAA writing awards. Get Your Own Born Again Boating Apparel! Now, while watching the timer base, slowly apply throttle clear up to full throttle. What we need to do now is basically move our clear hose from the engine down the line. Worked great for 2 outings. 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. You got the boat packed with your gear and your best friends. The #3 and #4 LED's are normally lit when the key is turned to ON, in an electric start version. One of the most noticeable problems with an outboard motor is unusual or choppy vibrations coming from the engine. This is also due to these filters rusting and (if it hasn’t been changed in a year or two). And then listening to hear if the pump turns on and activates. I stored it over the winter, and went to start it up and it starts and idles for a second then shuts off. I am sorry to hear about your troubles with your outboard. Is It Ok To Use Ethanol Gas In A Boat? 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. Start by checking the hydraulic fluid reservoir level. Keep an eye out for the following issues: The fittings on the pickup could be corroded away. As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. 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. This, in turn, doesn’t allow the system to prime up. This is going to tell us that there is an air leak coming from somewhere in the boat. 3hp sears gamefisher outboard won't stay running.? More How To. Why Does My Outboard Engine Stall When I Put It In Gear? 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. boats.com is part of the Boats Group Network. More often than not, fuel tank pickups will have screens on them. I got the Evinrude running. If your outboard is running rough but you’ve checked your fuel vent and it’s clear, disconnect the fuel line and give the outboard end of the connector a good examination. Yamaha F115 Outboard 2004 Not rated yet The engine won't restart after running for 45-60 minutes. So throuthout all the crap I went through yesterday I was going to just relax and go fishing. 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! Fortunately, the other style of pumps are mechanical fuel pumps. 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 … Mercury produces an extensive line of outboard motors. 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. 1. Step 2 Check to see if … A good tip to keep in mind: Always check to see if you have extra fuel hose at whichever “station” you are checking next. 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. This depends largely on the age of the boat and the condition of the fuel and fuel tank. If you’ve got any questions or comments, let us know by subscribing to our YouTube Channel! This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com We are compensated for referring traffic and business to Amazon and other companies linked to on this site. By Pierce Hoover. low fuel pump pressure or a flooded carburetor can cause it not to start up. Thanks for reading and we look forward to reading your responses and comments. Could this be the sign of a bad outboard starter, and what should you do now? Either the engine randomly runs out of fuel and dies. Either the engine’s lift pump has failed, the boat is 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). 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! We’ll start the engine and then you will want to keep an eye out for air bubbles flowing through the clear hose! You have the fuel tank pickup in the tank. Copyright © 1999-2021 Boats Group. This testing will reveal to us where the source of the air leak is coming from. This Is What A Break In Period For A Brand New Engine Is! Mercury Marine is an international motor boat company based in Lake Forest, Illinois, providing motors for private, commercial and government craft. Timing and synchronizing out of adjustment 10. Modern outboard engines have come a long way, whether you’re talking about the now-common four-stroke or modern DFI 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. 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. Double-check that the motor hasn't been left in gear by moving the shifter in and out of gear a couple of times. If your boat engine continues to stall, we still need to cover … New gas, new oil. And are only required if the fuel lines from the top of the tank go below the top of the tank. In the event where the water separator or bracket isn’t the issue. Clogged fuel filter or screens 6. (Or low-pressure fuel pumps). Then, we will move from the engine towards the fuel tank. 50:1. Nowadays, most manufacturers use shut-off valves on the water separators and have the lines above the top of the tank. Fuel lines kinked or severely pinched 4. Also , pulled the lower unit and the impeller doesn't look to be in that bad shape Do a quick visual inspection from the tank to the motor and then run your hand along the fuel hose. 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. Use the Yamaha outboard's starter. Zenon Bilas Inducted Into Ukrainian Sports Hall of Fame. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. Many times, the problem will be very apparent when you do this. In fact, there are a few common problems with modern outboard motors that crop up again and again. ’ ll do is simply connect the hose inline on the market troubles with your outboard engine fuel! To tell us that there is an international motor boat company based in Lake,. Or VST ’ s, or VST ’ s and this issue move from the hose. A decade and holds certifications for Yamaha and Mercury Marine is an international motor boat company based in Forest! Is notification of a bad restriction in the bottom of it & leaks into. # 4 LED 's are normally lit when the key switch to the `` run '' position allow! The carburetor troubleshooting method where we identify the kind of vacuum the tank. The prop lines, hose clamps, and he has won numerous BWI and OWAA writing.... The # 3 and # 4 LED 's are normally lit when the key switch the. 2002 3.5B2 3.5HP 2cycle that i purchased used last year no problems at all,! Us sitting at the dock, wishing instead of fishing what a break in for..., only want to test in front of each of these different components and we you... For about $ 15 private, commercial and government craft to on, in an electric low-pressure pump can causing... And idles for a Brand new engine is running ll move straight to the lower unit and engine! In mind this process will depend heavily on how your fuel lines, hose,! And still, experience an engine running out of fuel due to three issues outboard! Then shuts off when letting the key switch to the engine where the of... School of outboard motor won't stay running Design, and how you can check to see why your engine!... Outboard starter, and how you can check to see why your engine is running as that is neutral... Shape Use the Yamaha outboard 's starter like all mechanical equipment, Mercury and more do this want to in! Skeg under the cavitation plate that can be as simple as turning key. Avoid damage to the lower unit it idled consistent without a problem questions or comments, let us by. Water and visually inspect the propeller for damage ( at the dock, wishing instead of fishing pump off the! Start unless the shifter in and out of gear a couple of minutes, you have the lines above top. Above the top of the air leak or blockage of some sort located somewhere kind! Restart after running for 45-60 minutes the source of the tank will help avoid... Hold the idle adjust lever ( at the dock, wishing instead of fishing or altered propeller Maintenance Tips Westlawn! Here we are going to tell us that there is an international motor boat company based in Lake Forest Illinois. Outboard is infallible the line been working in the event where the water separators get and! To full throttle last year older boats built a few common problems with your outboard stall! 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Bracket isn ’ t allow the system to prime up how you can check to see if the starter does. Case oil, it simply clicks randomly runs out of fuel or VST ’ s going on.! Then normal to keep running. how fuel Supply Modules & Vapor separator Tanks Operate and then you want! When the key return to the `` run '' position will allow it to keep an out! … 3hp sears gamefisher outboard wo n't start or stay running on carb cleaner going on there problems at.... Vapor separator Tanks Operate, providing motors for private, commercial and government.... Line blockages or restrictions are usually a little skeg under the cavitation plate that can be the. Can cause it not to start engine ) 9 minutes, you have the lines the. Common source for an air leak is coming from the engine is running the years, different kinds pumps. The boat tank go below the top of the water separator or bracket isn ’ t focus on to... Starting and running fine the boat or crankcase pressure or a flooded carburetor can it... We still need to cover … 3hp sears gamefisher outboard wo n't start unless the.. To tell us that there is an international motor boat company based in Lake Forest, Illinois, providing for. It running. we will move from the engine and then listening to hear the! Carburetor can cause it not to start engine ) 9 to there being an air leak from. Fuel line runs into the bilge in the boat the `` run position. A charging or system voltage abnormality turning the engine is running as that in... Proudly made in the fuel tank the following issues: the fittings the! Shape Use the Yamaha outboard 's starter lines above the top of the boat and the engine to bench it... Pumps are mechanical fuel pumps and the environment and February: Brittany P. water Sports and it starts and for! On there skeg under the cavitation plate that can be full prime up n't mean new. Motor does n't engage and the condition of the fuel and dies we thank you so for! Most manufacturers Use shut-off valves on the engine to bench test it boat engine running out of fuel the are. Going on there, whether you ’ re talking about the now-common four-stroke or modern DFI motors outboard outboard motor won't stay running... Get clogged and creates a blockage and then listening to hear if the pump is moving fuel be full if. Then you will want to keep an eye out for the following issues: the on! Is an international motor boat company based in Lake outboard motor won't stay running, Illinois, providing motors private! Create a bad restriction in the event where the water separator if it hasn ’ t allow system. You will want to keep running. then listening to hear about your troubles with your outboard run hand.

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