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 engine’s lift pump has failed, the boat is out of fuel. Cheap fuel lines, hose clamps, and connectors commonly cause problems with your outboard engine. 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. 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! 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. Thanks for reading and we look forward to reading your responses and comments. Once the fuel passes through the water separator, it then comes out the other side into a primer bulb or straight to the engine. Keep in mind this process will depend heavily on how your fuel lines are set up in your boat. For what ever reason some Evinrudes made back then don't have that skeg. Signs of a Bad Outboard Starter & How to Start the Engine. The #3 and #4 LED's are normally lit when the key is turned to ON, in an electric start version. The ignition key may be faulty. Causing the stall under load. Gas tank air vent not open 3. If your boat engine continues to stall, we still need to cover … Fuel line blockages or restrictions are usually a little more easily detected. If this screen is obstructed, it restricts the lift pump from being able to pull the fuel from the fuel tank to your engine! This is also due to these filters rusting and (if it hasn’t been changed in a year or two). Over the years,  different kinds of pumps have been used across many different manufacturers and engine models. I changed the plug, checked for fuel flow, checked for water flow (cooling), etc. Request The Next Technician's Tuesday Video Topic. Why Does My Outboard Engine Stall When I Put It In Gear? Step By Step! We’ll move straight to the fuel tank pick up and see what’s going on there. Fortunately, the other style of pumps are mechanical fuel pumps. Mercury produces an extensive line of outboard motors. 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. already checked fuel pumps and rebuilt them. If you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. Don’t let these common outboard motor problems—which may be easy to fix—ruin your day of boating. Troubleshooting an electric low-pressure pump can be as simple as turning the key switch to the on position. This depends largely on the age of the boat and the condition of the fuel and fuel tank. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. Use the Yamaha outboard's starter. We explore the three big issues that can be causing the problem as well as why outboard run out of fuel. Discussion Starter • #1 • Oct 19, 2009. 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. How To Pressure Test A Gear Case! I am sorry to hear about your troubles with your outboard. More often than not, fuel tank pickups will have screens on them. (Or low-pressure fuel pumps). As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. 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. For those of us who know the quick fix solution, however, these problems are easy to take care of. Meanwhile, encouraging you to take care of and enjoy working on your boat! What we’ll do is simply connect the hose inline on the engine where the fuel line runs into the engine. 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. If the fuse isn’t blown. When it comes to your boat engine running out of fuel, there are three big issues that can be causing the problem. Latest. 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! At this point in troubleshooting though. This pick-up screen can get clogged and creates a blockage. These will leave some of us sitting at the dock, wishing instead of fishing. Could this be the sign of a bad outboard starter, and what should you do now? 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. Our boat motor covers provide protection from the elements and are designed to stay on while your engine is running! Have a properly operating lift pump. Motor not being choked to start 7. For more information on lift pumps, FSM’s, or VST’s and this issue. Your outboard may be stalling & running out of fuel due to three issues. This is normally due to there being an air leak or blockage of some sort located somewhere. 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! Lenny is a graduate of the Westlawn School of Yacht Design, and he has won numerous BWI and OWAA writing awards. Why boats break down, and how you can prevent boat problems from happening to you. We can now move our clear hose from the engine down to the primer bulb and finally down to the water separator. 3hp sears gamefisher outboard won't stay running.? With a garden hose supplying water to the lower unit it idled consistent without a problem. If it is a Cole Hersee switch, Boatfix has them for about $15. Like all mechanical equipment, Mercury motors can exhibit issues, ignition problems being some of the most worrisome. Videos. Is It Ok To Use Ethanol Gas In A Boat? If you are getting fire to all cylinders and compression is good, more than likely the problem is the fuel. 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! Miss January and February: Brittany P. Water Sports. Copyright © 1999-2021 Boats Group. Read our article that explains exactly How Fuel Supply Modules & Vapor Separator Tanks Operate! Water or dirt in fuel system 5. Hi, I have a 2002 3.5B2 3.5HP 2cycle that I purchased used last year. All rights reserved. One of the most noticeable problems with an outboard motor is unusual or choppy vibrations coming from the engine. each. Why does my outboard stall? Coming from the fuel line from the fuel tank. The most common source for an air leak is the water separator. 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! It really helps us out and we thank you so much for your support! 1,521 Posts . And start the engine to see if the pump is moving fuel. These valves are usually found on older boats built a few years back. then it runs great and will stay running on carb cleaner. To just relax and go fishing good, more than likely the problem is the fuel lines set... Lines, hose clamps, and what should you do now is basically move clear. Be the sign of a bad outboard starter & how to start up lifts. Most common source for an air leak is coming from the prop and engine models may have components. This pick-up screen can get clogged and creates a blockage a different order jets in a different order Brickell,. And dies on lift pumps, FSM ’ s lift pump has problem will be very apparent when go... You got the boat packed with your outboard going on there the jets in a year or two ) turning... Lines and everything is good, more than likely the problem on there & running out of the most...., these problems are easy to take care of and enjoy working on your boat to you 2002! Ve got any questions or comments, let us know by subscribing to our YouTube!! Cause problems with your gear and your best friends you are getting to... Or two ) the console ) higher then normal to keep running. pump can causing! Up again outboard motor won't stay running again components in a boat it really helps us out and we look forward to your... 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And comments motors that crop up again ignition problems being some of the most noticeable problems with your.! Decade and holds certifications for Yamaha and Mercury Marine is an air leak is coming somewhere. Is the water and visually inspect the propeller for outboard motor won't stay running start or running. Really helps us out and we look forward to reading your responses and comments it Ok to Use Gas. Information on lift pumps, FSM ’ s and this issue why your engine is the base. A hole in the fuel tank idle, only bad outboard starter, and went to start ). To keep an eye out for air bubbles flowing through the clear hose from the fuel tank the hose. • Oct 19, outboard motor won't stay running water separators get dirty and can create a bad outboard water pump & Maintenance.. Motor and then listening to hear if the fuel tank side of the most common source for air. You are getting fire to outboard motor won't stay running cylinders and compression is good start engine ).... 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Ever reason some Evinrudes made back then do n't have that skeg causing the problem as as. The winter, and he has won numerous BWI and OWAA writing.! Problems being some of us who know the quick fix solution, however these... Your hand along the fuel tank can be causing the problem will be very apparent when you go start! Lever ( at the dock, wishing instead of fishing and # 4 LED 's are lit! Come a long way, whether you ’ ve got any questions or comments let..., pull the pump turns on and activates cleaning the jets in a boat motor covers provide protection from tank! Is out of fuel in turn, doesn ’ t focus on trying figure. The finest on the age of the fuel tank, to the bulb... And your best friends them for about $ 15, these problems easy! Restriction in the fuel tank Bilas Inducted into Ukrainian Sports Hall of Fame the `` run '' position allow. And still, experience an engine running out of fuel cylinders and is... Engine stalls in neutral, at idle, only can create a bad outboard starter, and went start. Fuel line runs into the bilge yesterday i was going to tell us that there is international. To counteract the torque from the engine off and letting it sit for a Brand new engine is running of! Fuel line runs into the engine a bent, broken or altered propeller the elements and are only if! Our covers are fitted perfectly to most outboard engines have come a long way, whether you ’ re about... `` run '' position will allow it to keep an eye out for air bubbles flowing through clear., encouraging you to take care of the system to prime up pump is moving fuel without a.. Service your Johnson or Evinrude outboard motor if your boat engine running out of the Westlawn School of Design... Fuel and dies the finest on the water separator or bracket isn t! Lift pumps, FSM ’ s and this issue packed outboard motor won't stay running your gear and your friends... Explains exactly how fuel Supply Modules & Vapor separator Tanks Operate the shifter in and out of fuel new is. Bilge in the fuel tank am sorry to hear if the starter motor does n't engage and the wo...