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. Step By Step! 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! 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. The engine stalls in neutral, at idle, only. This pick-up screen can get clogged and creates a blockage. If your boat engine continues to stall, we still need to cover … More often than not, fuel tank pickups will have screens on them. There is a more complex troubleshooting method where we identify the kind of vacuum the fuel pump has. Motor not being choked to start 7. Here we are going to focus on trying to figure out why a fuel tank can be full. You got the boat packed with your gear and your best friends. More How To. Do a quick visual inspection from the tank to the motor and then run your hand along the fuel hose. If the starter motor doesn't engage and the engine doesn't turn over, the electrical system may be at fault. I changed the plug, checked for fuel flow, checked for water flow (cooling), etc. And still, experience an engine running out of fuel. We can even pull the pump off of the engine to bench test it! We explore the three big issues that can be causing the problem as well as why outboard run out of fuel. This is also due to these filters rusting and (if it hasn’t been changed in a year or two). Many times, the problem will be very apparent when you do this. Latest. 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. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. At this point in troubleshooting though. Carburetor adjustments too lean (not allowing enough fuel to start engine) 9. Mechanical fuel pumps are usually operated by either a diaphragm or crankcase pressure or an arm and a lobe on the camshaft. Mercury Marine is an international motor boat company based in Lake Forest, Illinois, providing motors for private, commercial and government craft. Cheap fuel lines, hose clamps, and connectors commonly cause problems with your outboard engine. 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. Also , pulled the lower unit and the impeller doesn't look to be in that bad shape 50:1. Get Your Own Born Again Boating Apparel! Keep in mind this process will depend heavily on how your fuel lines are set up in your boat. Use the Yamaha outboard's starter. The information contained in both will help you avoid damage to the motor, your boat and the environment. 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. For more information on lift pumps, FSM’s, or VST’s and this issue. Keep an eye out for the following issues: The fittings on the pickup could be corroded away. (Or low-pressure fuel pumps). The motor will start, but will not stay running, runs for about 5 seconds at most. We’ll start the engine and then you will want to keep an eye out for air bubbles flowing through the clear hose! 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 We are compensated for referring traffic and business to Amazon and other companies linked to on this site. Clogged fuel filter or screens 6. 1,521 Posts . 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. It starts great with the choke on. 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! It is not uncommon for him to own and be working on at least three different boats at any given point in time! What we need to do now is basically move our clear hose from the engine down the line. 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! This abnormal movement may indicate a bent, broken or altered propeller. This Is What A Break In Period For A Brand New Engine Is! 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 you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. 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. Modern outboard engines have come a long way, whether you’re talking about the now-common four-stroke or modern DFI motors. 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. If your outboard has an external gas tank, there can be a number of problems between it and the motor. Just remember: your boat may have these components in a different order. Most tiller size outboards have a little skeg under the cavitation plate that can be adjusted to counteract the torque from the prop. Copyright © 1999-2021 Boats Group. We won’t focus on troubleshooting the lifts pumps in this article though. 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. If you’ve got any questions or comments, let us know by subscribing to our YouTube Channel! 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. 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. Once the fuel passes through the water separator, it then comes out the other side into a primer bulb or straight to the engine. All of our covers are proudly made in the USA. What You Need To Know. Like all mechanical equipment, Mercury motors can exhibit issues, ignition problems being some of the most worrisome. For what ever reason some Evinrudes made back then don't have that skeg. More specifically, engine starts out starting and running fine. Fuel line blockages or restrictions are usually a little more easily detected. 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. Start by checking the hydraulic fluid reservoir level. Our boat motor covers provide protection from the elements and are designed to stay on while your engine is running! Your outboard may be stalling for several reasons. By Pierce Hoover. Fuel is in the float bowl. Timing and synchronizing out of adjustment 10. 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. The #3 and #4 LED's are normally lit when the key is turned to ON, in an electric start version. is part of the Boats Group Network. Updated: October 30, 2019. This, in turn, doesn’t allow the system to prime up. 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. Signs of a Bad Outboard Starter & How to Start the Engine. And are only required if the fuel lines from the top of the tank go below the top of the tank. Fuel lines kinked or severely pinched 4. Double-check that the motor hasn't been left in gear by moving the shifter in and out of gear a couple of times. 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!

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