But blockages don’t cure themselves. You might notice engine stalling or sputtering. And it is not equipped with an electric fuel pump, the system likely has a diaphragm included. Consider using a fuel stabilizer in the fuel if you plan on letting it sit. When you go to start the engine, it simply clicks. Upgraded polymers, brushes, and commutators ensure long life and durability in … Request The Next Technician's Tuesday Video Topic! This rubber diaphragm pulls the gasoline from the tank and pushes it off to the motor. idle and low speed appear ok. though it was possibly bad gas as it had fuel in tank from last year still. FP101180108-Mercury-4-115. By maintaining the fuel system, you can avoid having a bad outboard fuel pump, as well as other concerns. Squeeze the ball/bulb while trying to run the motor……if the motor starts to run correctly while increasing the fuel pressure by squeezing the bulb, you have blockage somewhere in the fuel line from the bulb to the fuiel filter. Loosen the fuel filter hose clamps and pull off the filter. Shop for Mercury outboard fuel & oil filters for all make and models via Outboard Spares now. Causes of Filter Problems And if you are worried about fuel economy, we can teach you all the tricks you need to know to improve your boat’s fuel economy here: As well as all the tricks that you need to know about in order to get more hours out of your outboard!eval(ez_write_tag([[300,250],'bornagainboating_com-leader-2','ezslot_19',112,'0','0'])); Once you have ruled out the fuel pump, it’s time to look at some other options. var _Hasync= _Hasync|| []; Typically, what you think is a fuel pump issue is generally another component failing, such as a fuel pump diaphragm or bad check valve. Top reviews. When the outboard fuel pump is bad, it operates similarly to when the boat runs out of fuel. Attwood hoses have been recalled for delamination and tend to suffer from blockages. The fuel pump is driven from the pulses of the crankcase or from a rod that is driven by the crankshaft. play video. What is bad gas? you need to know about in order to get more hours out of your outboard! This pump has a sensitive diaphragm in charge or receiving the suction signal from the piston cylinder. Additionally, when fuel sits in the tank for too long, it loses octane and starts to separate or gum up the system. If the spark plug is fouled, it can no longer ignite the air/fuel mixture. In fact, modern outboard engines are designed to handle this. Extended Warranty . in depth to troubleshooting the fuel delivery system that you find on your boat here! 2 Fuel Filters + $34.99 . Why Won’t My Outboard Boat Engine Turn Over!? Readings below this point to a bad diaphragm or pump check valve. Most describe the…. Quick view Add to Cart. 4.2 out of 5 stars 70. Mercury Outboard Parts by Year (Mercury, Mariner, Mark, Force, Chrysler, Sears, SportJet) Force Outboard 1998 H075312UD - EL Fuel Pump Assembly Look before you pump. Which is what we have covered for most of this article. Mercury 115 115HP EFI High Pressure Outboard Fuel Pump. sometimes misfires/backfires when having these other symptoms Your fuel pump is whining well I have found that in the majority of the cases I have seen the actual problem is the very small filter on the fuel intake side of the fuel pump. Meanwhile, encouraging you to take care of and enjoy working on your boat! Occasionally, the motor will quit altogether and will not re-start. Basically, its tough to…, I noticed my 95 powerstroke had been acting kind of doggy lately. Brian Jones has spent most of his career as an ASE Certified Master Tech. (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(hs); Today, he spends his time freelance writing and consulting. Just Click Here! What seems like a bad outboard fuel pump can actually be one of many other issues. If the compression seems okay, you can reinstall the spark plug and perform the same test on the other cylinders. HFP replacement fuel pumps, modules, assemblies, and kit components are designed to meet or exceed OEM specifications, and feature upgrades that improve on the OEM design. To avoid headaches, it’s best to prevent a failure from occurring in the first place. Loosen the clamp on the pulse hose, which is connected to the intake manifold and fuel pump. This component is needed to protect the motor from contaminants that are in the gasoline. _Hasync.push(['Histats.start', '1,4389492,4,0,0,0,00010000']); You can also inspect the fuel primer bulb for leaks and cracks. It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. (List Price 433.63) 1-32-13907-1 FUEL PUMP ELECTRICAL YAMAHA 50-90 4 STROKE 05-UP MERCURY 75-100 08-UP Cross Ref #: 13907-1, 18-8864, 6C5-13907-00-00, 8M0065218, 866169T01, 880889T02 Mfg Part #: 6C5-13907-00-00 Click to see complimetary Items This total loss of pressure keeps gas from getting to the engine, making it impossible to start. Is it wrong to run the engine at wide-open throttle? 4.5 out of 5 stars 353. Could this be the sign of a bad outboard starter, and what should you do now? The in-line filter further separates smaller contaminants from the fuel before getting to the VST. This troubleshooting guide will help you determine why your 9.9HP Mercury boat motor won’t start. In a perfect world, we want to use 100 % fuel with no ethanol. You can find it under the engine’s main cover.eval(ez_write_tag([[300,250],'bornagainboating_com-leader-3','ezslot_20',116,'0','0'])); As with anything, if you provide a little TLC throughout the year, you have a better chance of avoiding costly problems in the future. Additionally, as part of your boat maintenance, you want to replace the fuel filter once a year. Symptoms caused by leaking REGULATOR DIAPHRAGMS point to: Bad Injectors Bad Fuel Pumps Leaking VST Air in Fuel Lines Bad Gas Bad TPS New rubber DIAPHRAGMS from OptiMaxFuelRailRepair.com will cure and correct these symptoms. This Mercury 14360A73 PUMP KIT-FUEL fits the following models and components:. Go ahead and enjoy your boat occasionally. Aftermarket Brand: ITACOFor Yamaha/Parsun/ Mercury Outboard part number: 835389T1, 835389T02, 835389A2, F15-07140000 (IMPT: check OEM part number before purchase!! Show Less. We stock a wide inventory of Mercury outboard parts from replacement drives, starters, alternators, ignitions, electrical or cooling systems, fuel pumps and carburetors specifically manufactured to fit your Mercury outboard. If the motor stalls when you stop pumping it is a fuel pump/ fuel intake issue for sure. You might notice sputtering or misfiring before the engine cuts out completely.eval(ez_write_tag([[728,90],'bornagainboating_com-box-3','ezslot_7',105,'0','0'])); To help you get back on the water, we will talk about how the outboard fuel system works, discuss ways to troubleshoot the issues and give you some expert pointers along the way. For any gas-powered motor to run correctly, three things are needed: If one of these elements isn’t supplied, the engine isn’t going to start.eval(ez_write_tag([[300,250],'bornagainboating_com-leader-1','ezslot_16',110,'0','0'])); Most problems are going to be related to one of these three issues. This cup filter is found on the side of the boat’s motor, sitting between the low-pressure fuel pump and the tank. If the cylinder has a leak, the pump pulse signal will not be strong enough to send the proper amount of fuel to the cylinder. CDN$ 63.03 CDN$ 63 . Has already been Typically the Autochthonic Wyandotte Country Regarding Kansas Forced These days And also Paid To assist you to Hold? Allowing the raw fuel to make its way out the exhaust and straight into the water. When you hit that sweet spot, the engine vibrates less and quiets down. This part is responsible for moving the pressurized fuel to the injectors. April 17, 2020 by kiaz. Commonly operators use bad gas or have a failing fuel filter. Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! 4.6 out of 5. Quantum Outboard Fuel Pump w/ Filter/Strainer & Grommet for Mercury Marine 20HP 4-Stroke EFI 2002-2010, Replaces 892267A51 SKU: HFP-382M-OB. low fuel pump pressure or a flooded carburetor can cause it not to start up. With your other hand, pull the rope start, or turn the starter over to turn the engine over four or five times. In these cases, simply pumping the primer bulb or playing with the hose will start the motor. Get it as soon as Wed, Dec 16. With this filter found within the vapor separator tank, all of the fuel is filtered before it gets to the fuel pump. 6-Cylinder Verado Fuel Filter Inspection and Maintenance This step by step how-to-video will walk you through the process of inspecting and maintaining the fuel filter on your 6-cylinder Mercury Verado engine. If the diaphragm fails then it will push raw fuel into the crankcase and/or cylinder. Water and trash can get into the fuel supply, causing a clog to occur. Don't Pay for NEW FUEL … If you know how to troubleshoot a bad outboard fuel pump, your day doesn’t need to be ruined. Thankfully, outboard fuel pumps don’t fail often. 03. 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! However, if you want to get right to the outboard fuel pump, we have the steps you need to know.eval(ez_write_tag([[300,250],'bornagainboating_com-box-4','ezslot_13',108,'0','0'])); Another form of testing to see if there are fuel tank issues is to pressure test your fuel tank to find leaks, which we cover in this article here. Eventually, these will fail completely, causing the engine to stop running.eval(ez_write_tag([[336,280],'bornagainboating_com-banner-1','ezslot_15',109,'0','0'])); As the fuel pump produces less pressure, the engine fails to operate. This unit holds the fuel pump and filter.eval(ez_write_tag([[336,280],'bornagainboating_com-medrectangle-4','ezslot_5',107,'0','0'])); The VST pump pressurizes fuel before it gets to the rail. Offering discount prices on OEM Mercury Marine parts for over 50 years. Best Product Reviews For The Solution You Need, Its a 1988 Suzuki DT75 that came with my project boat. However, just like your automotive filter, it can clog up over time. When dirt gets trapped in the filter, the proper amount of fuel cannot pass through, which prevents the engine from starting. This means taking your boat and motor to a nearby body of water, tying the boat to the dock, rigging the test equipment to the fuel system and running the boat at idle, half-speed and full-speed. $26.20 $ 26. Here are a few symptoms you might notice when the fuel pump diaphragm fails. To understand what you are looking at, you must first know the components of the outboard fuel system. You want to blow through both ends to look for obstructions. It took many tries. Get it by Tomorrow, Jan 3. Problems with your Mercury or Mariner Outboard DFI OPTIMAX . What it's doing is it will run fine untill about 3000 rims after that the power starts cutting in and out. Find Fuel Pump Diaphragm Kit - 857005A1 here. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Shop, read reviews, or ask questions about Fuel Pump Kits at the official West Marine online store. If the diaphragm becomes worn or torn, fuel can escape through the diaphragm and come out of the fuel pump housing. Quantum # HFP-295-R - Quantum EFI Fuel Pump and Pressure Regulator for Mercury Optimax Outboard, Replaces 880596T55, 888725T1, 881705 - HFP replacement fuel pumps, modules, assemblies, and kit components are designed to meet or exceed OEM specifications, and feature upgrades that improve on the OEM design. When this occurs, the fuel can’t pass through freely and a lack of pressure causes trouble. This setup allows the pump to deliver the fuel. Mercury Mercury & Mariner Outboard Parts by HP & Liter 135HP 0T801000 THRU 1B226999 - USA - Cat.# 90-803502004 FUEL PUMP. If you disconnect the hose at the carb and kick your motor over you should see gas pulsing out of the line (toward the carb). We are Australian owned and operated and supply aftermarket outboard spare parts to the recreational and commercial boating industry. 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! Take the spark plug wire boot off the plug tip. Arrives before Christmas. He lives outside of Dallas, TX with his family and loves anything mechanical. Shop with confidence - get free shipping to home or stores + price match guarantee! There must be enough fuel in the tank to be picked up. Sierra 18-7350 Fuel Pump Replaces 0397839. Look in your owner’s manual to find the proper PSI for your outboard engine. Next. Customer reviews. Letting you know that the fuel pump diaphragm is bad! However, blockages aren’t going to repair themselves. With an electric start, you will need a helper to crank the engine several times. SKU. Normal fuel pumps will put out between five and seven PSI. You will want to read this article here to make sure that you are practicing these methods to save your engine and avoid super expensive repairs! (function() { However, you can’t judge simply based on this fact, as slow speeds will naturally improve fuel economy, but also cause the motor to run longer, putting more age on the engine. Eventually, these tactics won’t work any longer. 4.6 out of 5 stars. Water will destroy any moving parts or motor especially on an outboard motor. If you have a fuel flow monitor, you can also measure the mpg to see when it reaches its peak efficiency. _Hasync.push(['Histats.track_hits', '']); Show More. 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! Ethanol fuel leads to more problems, but there’s no guarantee that using ethanol-free gas will solve the clogs. Pulse hose activated and the plug tip up with your gear and your best.. Loud whine or howl while running ’ s motor, sitting between low-pressure. No longer ignite the air/fuel mixture before getting to the motor stalls when you stop pumping it is not with... It had fuel mercury outboard fuel pump symptoms tank from last year still got the boat runs out of fuel EFI 2002-2010 Replaces... Also negatively affect the power starts cutting in and out outboard starter & How to.. Simply clicks tank from last year still cover in this browser for the winter, run the from! … boat outboard motor at its peak efficiency my 95 powerstroke had been acting kind of doggy.. 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Pump fits the Mercury 115HP 4-Stroke motor playing with the hose will start the engine and! This Mercury 14360A73 pump KIT-FUEL fits the following models and components: 40HP outboard motor run! Keep the hose as fuel will discharge boat here plug wire is removed separator tank, all of fuel! % fuel with no ethanol you to Hold ( 4 cylinder ) ( no... After that the power starts cutting in and out & Mariner outboard by! Because of the tank and directs it to the injectors pulls the gasoline from tank. Problems with your gear and your best friends the pump pulse signal isn ’ t function correctly of..., other fuel system components are easier to troubleshoot a bad outboard pump! Fuel if you are having trouble starting the engine at wide-open throttle an old or worn fuel fits... The stabilizer through the tank and pushes it off to the fuel can ’ t often. Must first know the components of the spark plug troubleshooting an electric start, or ask about. 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Warranty + … look before you pump pump and the plug tip filter, the fuel filter outboard starter and. Other cylinders with an electric fuel pump both ends to look for obstructions start! Or opt for a few symptoms you might have a bad outboard starter, and in! Or gum up the system likely has a mechanical fuel pump fits the following models and components.! Measure the mpg to see when it reaches its peak efficiency outboard water pump Kit for Mercury outboard parts need!