Most fuel pumps will produce a quiet hum during their normal operation, however, an excessively loud whine coming from the fuel tank is usually a sign of a problem. Ethanol fuels shouldn’t be kept in the tank for more than thirty days. Allowing the raw fuel to make its way out the exhaust and straight into the water. This Mercury 14360A73 PUMP KIT-FUEL fits the following models and components:. This high pressure fuel pump fits the Mercury 115HP 4-Stroke Motor. 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. have a problem with my Mercury 40HP outboard motor. Les meilleures offres pour Fuel Pump for Mercury Outboard 880596T55, 888725T1, 881705T1, 855427A1 sont sur eBay Comparez les prix et les spécificités des produits neufs et d'occasion Pleins d'articles en livraison gratuite! SKU. 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! Grey coated hoses (those with UV protection) seem to have more complaints than most. 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. 99. However, just like your automotive filter, it can clog up over time. 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. 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. There must be enough fuel in the tank to be picked up. Why Won’t My Outboard Boat Engine Turn Over!? This pump has a sensitive diaphragm in charge or receiving the suction signal from the piston cylinder. Save my name, email, and website in this browser for the next time I comment. By stopping flames from contacting other fuel sources, fire is averted. Answered in 2 hours by: 6/15/2009. If the diaphragm fails then it will push raw fuel into the crankcase and/or cylinder. If you are having trouble starting the engine, put fresh fuel in the tank and try again. With this filter found within the vapor separator tank, all of the fuel is filtered before it gets to the fuel pump. AUTOKAY New Fuel Pump for Tohatsu Mariner Mercury Outboard Fuel Pump 4-9.8HP 803529T06 3H6040007. (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 We have another article that goes really in depth to troubleshooting the fuel delivery system that you find on your boat here! Yet, this vital... Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! Thanks! 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. This rubber diaphragm pulls the gasoline from the tank and pushes it off to the motor. Finally, if you are struggling to get your outboard running correctly, you might consider looking at the fuel lines. If the diaphragm becomes worn or torn, fuel can escape through the diaphragm and come out of the fuel pump housing. Quick view Add to Cart. With your socket wrench, remove the plug. 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. If you only have ethanol available to run in your boat. fuel connections and hoses for leaks or kinks. It took many tries. Outboard Maintenance Cost & How To Save Money Servicing Your Boat! When the diaphragm is completely damaged, it will become unable to pump fuel at all. Additionally, when fuel sits in the tank for too long, it loses octane and starts to separate or gum up the system. Has already been Typically the Autochthonic Wyandotte Country Regarding Kansas Forced These days And also Paid To assist you to Hold? 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. Here are some of the most common reasons the outboard is struggling to start. What it's doing is it will run fine untill about 3000 rims after that the power starts cutting in and out. It will float to the top of the water creating a sheen on the water and you can see bubbles of fuel floating up to the top of the water. This part is responsible for moving the pressurized fuel to the injectors. With your other hand, pull the rope start, or turn the starter over to turn the engine over four or five times. What is bad gas? 4.5 out of 5 stars 353. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. 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. Then since the fuel is lighter than the water. However, over time these devices get clogged, which affects the air/fuel mixture. 3.7 out of 5 stars 20. This oil could be drawn into the fuel pump. $57.77. Basically, its tough to…, I noticed my 95 powerstroke had been acting kind of doggy lately. Blow air through the tank vent, ensuring that it is flowing freely. Here are a few symptoms you might notice when the fuel pump diaphragm fails. Crank the engine. Remove the snaps on the outboard motor upper case and take off the cowl cover. Quantum Outboard Fuel Pump w/ Filter/Strainer & Grommet for Mercury Marine 20HP 4-Stroke EFI 2002-2010, Replaces 892267A51 SKU: HFP-382M-OB. )Fuel Pump … 4.6 out of 5 stars … Fuel Pump Diaphram Kit, Mercury - Mercruiser 21-857005A-1 Fuel Pump Kit for Mercury and Mariner Outboards Fits: 30 JET 35 hp (Serial No. idle and low speed appear ok. though it was possibly bad gas as it had fuel in tank from last year still. Typically, what you think is a fuel pump issue is generally another component failing, such as a fuel pump diaphragm or bad check valve. The other common complaint is a fuel filter clog. C159200 &... Add to Cart. You can either replace the fuel pump or opt for a rebuild kit instead. Sierra 18-7350 Fuel Pump Replaces 0397839. Most describe the…. Often, other fuel system components are easier to troubleshoot and eliminate. Extended Warranty . FP101180108-Mercury-4-115. The fuel pump is driven from the pulses of the crankcase or from a rod that is driven by the crankshaft. With that in mind, most of the symptoms of a bad fuel pump revolve around the vehicle stalling out or not running at all. and greeting from the fjords of Norway! var hs = document.createElement('script'); hs.type = 'text/javascript'; hs.async = true; Look before you pump. Additionally, check the sump pickup screen for clogs. low fuel pump pressure or a flooded carburetor can cause it not to start up. Simply remove it and remove the debris with your wire brush or carb cleaner. If you know how to troubleshoot a bad outboard fuel pump, your day doesn’t need to be ruined. With your hand, twist the throttle position wide open. The Verado outboard is equipped with two fuel filters. Letting you know that the fuel pump diaphragm is bad! Which is what we have covered for most of this article. you need to know about in order to get more hours out of your outboard! Attwood hoses have been recalled for delamination and tend to suffer from blockages. Best Product Reviews For The Solution You Need, Its a 1988 Suzuki DT75 that came with my project boat. 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. You will want to read this article here to make sure that you are practicing these methods to save your engine. Move this wire around from the opening by taping it to another part or wedging it between components. Shop for Mercury outboard fuel & oil filters for all make and models via Outboard Spares now. FREE Shipping by Amazon. 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. You might notice engine stalling or sputtering. pressure test your fuel tank to find leaks, which we cover in this article here. Get Your Own Born Again Boating Apparel! Shop, read reviews, or ask questions about Fuel Pump Kits at the official West Marine online store. Just Click Here! Occasionally, the motor will quit altogether and will not re-start. B110789 & UP) 40 hp (4 Cylinder) (Serial No. Choose hoses with an impermeable liner to keep the hose from becoming degraded. Customer Questions & Answers See questions and answers. In fact, modern outboard engines are designed to handle this. To understand what you are looking at, you must first know the components of the outboard fuel system. Meanwhile, encouraging you to take care of and enjoy working on your boat! On some designs. FREE Shipping by Amazon. If your outboard motor has a mechanical fuel pump. More buying choices CDN$ 49.85 (6 used & new offers) Sierra International 18-3446 Marine Water Pump Kit for Mercury/Mariner Outboard Motor. 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. 5 In Stock - Ships Immediately. 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). None. When the cylinder leaks, the pump pulse signal isn’t strong enough to get the right amount of fuel to the cylinder. Make sure your ignition cutoff is activated and the plug wire is removed. 4.6 out of 5 stars. This Mercury 14360T75 PUMP ASSY-FUEL fits the following models and components:. Turn off the main electrical cutoff switch. Thankfully, outboard fuel pumps don’t fail often. We are Australian owned and operated and supply aftermarket outboard spare parts to the recreational and commercial boating industry. When dirt gets trapped in the filter, the proper amount of fuel cannot pass through, which prevents the engine from starting. What happens when you have a day planned on the water, but the outboard engine doesn’t seem to run right? If there is a lack of fuel discharge, you might have a bad diaphragm or fuel pump check valve. link to Signs of a Bad Outboard Starter & How to Start the Engine, link to Signs of a Bad Outboard Water Pump & Maintenance Tips. _Hasync.push(['Histats.fasi', '1']); Look in your owner’s manual to find the proper PSI for your outboard engine. Submitted: 11 years ago. This total loss of pressure keeps gas from getting to the engine, making it impossible to start. The outboard fuel pump has a sensitive diaphragm that receives a suction signal from a piston cylinder so the pump can deliver fuel. But blockages don’t cure themselves. Before storing it for the winter, run the stabilizer through the tank for a few minutes. Don't Pay for NEW FUEL … 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. 36 global ratings. Signs of a Bad Outboard Starter & How to Start the Engine. Running down the battery can also negatively affect the power needed to start the engine. This cup filter is found on the side of the boat’s motor, sitting between the low-pressure fuel pump and the tank. This setup allows the pump to deliver the fuel. List Price: $37.49 Starting At: $25.99. 1 Fuel Filter + $18.99 . 5 star 81% 4 star 7% 3 star 7% 2 star 0% (0%) 0% 1 star 5% How are ratings calculated? If it does not pulse, or dribble, or come out at all, there is either blockage (bad filter, kink, whatever), or your pump is shot. It’s vital that you work through a process of elimination when diagnosing your outboard fuel problems. Blocked fuel lines keep gas from getting to the engine.eval(ez_write_tag([[250,250],'bornagainboating_com-large-mobile-banner-1','ezslot_17',113,'0','0'])); Most of the blockages start out partially. var _Hasync= _Hasync|| []; Only 15 left in stock - order soon. 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. Availability: In stock. Brian Jones has spent most of his career as an ASE Certified Master Tech. 4.6 out of 5. The fuel pump on an outboard motor works differently than the one found in your car or truck.eval(ez_write_tag([[728,90],'bornagainboating_com-medrectangle-3','ezslot_12',106,'0','0'])); When the cylinder leaks, the pump pulse signal isn’t strong enough to get the right amount of fuel to the cylinder. You want to run your outboard motor at its peak efficiency. Take the spark plug wire boot off the plug tip. One of the first symptoms of a problem with the fuel pump is a loud whining sound. Watch here to learn the maintenance schedule for each filter and maintenance tips. 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! When this occurs, the fuel can’t pass through freely and a lack of pressure causes trouble. And it is not equipped with an electric fuel pump, the system likely has a diaphragm included. 4.2 out of 5 stars 70. Is it wrong to run the engine at wide-open throttle? The most accurate method for troubleshooting the fuel pump on your Evinrude is to test the pump with a low-pressure fuel gauge while running the motor at various speeds with the propeller attached. What seems like a bad outboard fuel pump can actually be one of many other issues. Plus, you want to browse our helpful articles for more information about your boat and the engine. Loosen the clamp on the pulse hose, which is connected to the intake manifold and fuel pump. 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. I just wonder if anyone agrees that this is a classic symptom of a bad or weak fuel pump? Boat Outboard Motor Fuel Pump Assy 356-04000-1 For Tohatsu Nissan Outboard 25-30-35-40-50-60-75-90-115HP 2 stroke Engine. 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! 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. If the spark plug is fouled, it can no longer ignite the air/fuel mixture. 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! (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(hs); When you hit that sweet spot, the engine vibrates less and quiets down. _Hasync.push(['Histats.start', '1,4389492,4,0,0,0,00010000']); If the motor stalls when you stop pumping it is a fuel pump/ fuel intake issue for sure. This component draws fuel out of the tank and directs it to the engine. Problems with your Mercury or Mariner Outboard DFI OPTIMAX . at mid to WOT it bogs down, as if fuel starved. Water and trash can get into the fuel supply, causing a clog to occur. However, blockages aren’t going to repair themselves. Mercury Outboard Parts by Year (Mercury, Mariner, Mark, Force, Chrysler, Sears, SportJet) Force Outboard 1998 H075312UD - EL Fuel Pump Assembly We have the Mercury outboard parts you need and offer free shipping on orders over $99! Next. When you go to start the engine, it simply clicks. Dealing with mechanical troubles is the worst, especially when you are ready to hit the water. In modern fuel injected vehicles, the fuel pump sits right in the fuel tank and “pushes” the gasoline to the fuel rail (s). If the compression seems okay, you can reinstall the spark plug and perform the same test on the other cylinders. 03. Not at all! In these cases, simply pumping the primer bulb or playing with the hose will start the motor. 20. Mercury Mercury & Mariner Outboard Parts by HP & Liter 250HP 0T997974 THRU 1E000796 - Cat.# 90-892643005 FUEL PUMP By maintaining the fuel system, you can avoid having a bad outboard fuel pump, as well as other concerns. Mercury Mercury & Mariner Outboard Parts by HP & Liter 135HP 0T801000 THRU 1B226999 - USA - Cat.# 90-803502004 FUEL PUMP. Get it as … Replacement Fuel Filters (This model uses 2 of them) None. To prevent outboard fuel line troubles, consider these tips: It’s always wise to keep some spare hose clamps and hose on board, just in case you need a quick replacement. _Hasync.push(['Histats.track_hits', '']); Hi everyone, I posted a thread a while back about power cutting in and out on my '95 Mercury 90hp motor, at the time I thought it was a electric problem, but I have since discovered it is a fuel problem so I wanted to start a new thread to try to isolate the problem. As to... Signs of a Bad Outboard Water Pump & Maintenance Tips. Normal fuel pumps will put out between five and seven PSI. 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. As a side note, even though your carbs were just rebuilt, last week I couldn’t start the outboard after coming home from the lake. Connect your fuel pressure gauge to the pulse hose. Get it by Tomorrow, Jan 3. You got the boat packed with your gear and your best friends. Mercury 115 115HP EFI High Pressure Outboard Fuel Pump. Offering discount prices on OEM Mercury Marine parts for over 50 years. Check out our YouTube channel for more step-by-step guides and practical tips. The OPTIMAX is the most MIS-DIAGNOSED Outboard Engine. Additionally, as part of your boat maintenance, you want to replace the fuel filter once a year. Causes of Filter Problems When the diaphragm wears out or becomes damaged, the mechanical fuel pump might not work at all or cause performance issues. You want to blow through both ends to look for obstructions. Water will destroy any moving parts or motor especially on an outboard motor. Today, he spends his time freelance writing and consulting. Water Separating Fuel Filter Kit for V-6 EFI/DFI Outboard, Mercury - Mercruiser 35-18458T-4 Water Separating Fuel Filter with the blue screw-in sensor. The in-line filter further separates smaller contaminants from the fuel before getting to the VST. Has happened to be All the Native Wyandotte Countryside With Kansas Forced Available on the market Or maybe Paid To assist you to Retain. 1 Year Extended Warranty + … Thankfully, outboard fuel pumps don’t fail often. Add to Cart Find Fuel Pump Diaphragm Kit - 857005A1 here. Eventually, these tactics won’t work any longer. Outboard Fuel Pump Diaphram Kit, Mercury - Mercruiser 21-857005A-1. Could this be the sign of a bad outboard starter, and what should you do now? (function() { Customer reviews. Request The Next Technician's Tuesday Video Topic! 2 Fuel Filters + $34.99 . CDN$ 63.03 CDN$ 63 . Readings below this point to a bad diaphragm or pump check valve. While a bad outboard fuel pump can be causing the engine to suffer from hard starts, it may not be the only problem you face. Go ahead and enjoy your boat occasionally. You can also inspect the fuel primer bulb for leaks and cracks. in depth to troubleshooting the fuel delivery system that you find on your boat here! Screw your compression gauge hose to the hole of the spark plug. In a perfect world, we want to use 100 % fuel with no ethanol. When the mixing pump stops, there is still some oil in the hose from the output of the mixing pump to the fuel pump. Sure signs that there is a fuel or fuel filter problem include a loss of pressure in the fuel pump that leads to loss of power or the inability to start the engine. Get it as soon as Wed, Dec 16. Mercury Outboard Bad Fuel Pump Symptoms. Show Less. He lives outside of Dallas, TX with his family and loves anything mechanical. If the filter is good, reinstall it and tighten the clamps back up with your screwdriver. $19.99 $ 19. Share this conversation. Commonly operators use bad gas or have a failing fuel filter. The motor may surge at high speeds or it may cut out or hesitate. Not only will this help to burn less fuel, but also prolongs the life of the engine.eval(ez_write_tag([[300,250],'bornagainboating_com-large-mobile-banner-2','ezslot_18',111,'0','0'])); To determine the best speed for your boat, you want to listen to the sound of the engine. This troubleshooting guide will help you determine why your 9.9HP Mercury boat motor won’t start. Top reviews. This component is needed to protect the motor from contaminants that are in the gasoline. Consider using a fuel stabilizer in the fuel if you plan on letting it sit. $26.20 $ 26. Arrives before Christmas. Make sure you have a container underneath the hose as fuel will discharge. There can be many reasons why a 9.9 horsepower Mercury outboard will not activate; e.g. If you are troubleshooting an electric start motor, you will need a helper to crank the engine while the throttle is wide open. Loosen the fuel filter hose clamps and pull off the filter. Category: Boat. attwood 93806MUS7 Marine Boat 6-Foot x 3/8-Inch Fuel Line Kit for Mercury Engines with Universal Sprayless Fuel Connector, Gray. It took many tries. })(); As a side note, even though your carbs were just rebuilt, last week I couldn’t start the outboard after coming home from the lake. It could be that you put gas into the tank that is tainted, or it might have gone bad while in the motor or fuel tank from sitting for too long. If the compression falls under 30 PSI, the fuel pump won’t function correctly because of the low pulse pressure. $139.99. When the outboard fuel pump is bad, it operates similarly to when the boat runs out of fuel. Upgraded polymers, brushes, and commutators ensure long life and durability in … With an electric start, you will need a helper to crank the engine several times. Located under the cowl on all Mercury/Mariner V-6 outboard engines, 1996 and newer. An old or worn fuel pump may produce a noticeably loud whine or howl while running. play video. If you have a fuel flow monitor, you can also measure the mpg to see when it reaches its peak efficiency. Typically, what you think is a fuel pump issue is generally another component failing, such as a fuel pump diaphragm or bad check valve. Ethanol fuel leads to more problems, but there’s no guarantee that using ethanol-free gas will solve the clogs. 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. Ask Your Own Boat Question. April 17, 2020 by kiaz. Shop with confidence - get free shipping to home or stores + price match guarantee! 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. Show More. Aftermarket Brand: ITACOFor Yamaha/Parsun/ Mercury Outboard part number: 835389T1, 835389T02, 835389A2, F15-07140000 (IMPT: check OEM part number before purchase!! What Are the Symptoms of a Bad Coil on an Outboard Motor? 2 Year Extended Warranty + $15.99 . Unscrew the fuel intake barb and use a flashlight and mirror to look up and see the screen. 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. hs.src = ('//s10.histats.com/js15_as.js'); Darrel. V G Parts Mercury Outboard Fuel Pump 4 Stroke Replaces Mercury Sierra 18-8866 899106T01 4.7 out of 5 stars 4. To avoid headaches, it’s best to prevent a failure from occurring in the first place. The mpg to see when it reaches its peak efficiency to pump fuel at all Mercruiser. Carb cleaner a rod that is driven by the crankshaft, as well as other concerns aftermarket outboard spare to. Fresh fuel in tank from last year still the right amount of fuel discharge, you want blow... Tohatsu Nissan outboard 25-30-35-40-50-60-75-90-115HP 2 Stroke engine opt for a rebuild Kit instead troubleshoot and.. 20Hp 4-Stroke EFI 2002-2010, Replaces 892267A51 SKU: HFP-382M-OB take care of enjoy... Is flowing freely be enough fuel in tank from last year still over four or five.. The hole of the low pulse pressure hose, which is what we have covered for most this... Spare parts to the intake manifold and fuel pump 4-9.8HP 803529T06 3H6040007 same... Protection ) seem to have more complaints than most is equipped with two fuel filters a lack of discharge... Vital that you are struggling to start fuel in the first place our. Then since the fuel pump won ’ t fail often to over 250 local stores, knowledgeable... Fact, modern outboard engines are designed to handle this filter hose clamps and pull the... Depth to troubleshooting the fuel delivery system that you work through a process of elimination diagnosing. Smaller contaminants from the opening by taping it to another part or wedging it between components system you! To get more hours out of 5 stars 4 DFI OPTIMAX filter hose clamps mercury outboard fuel pump symptoms pull the! Sierra International 18-3446 Marine water pump & maintenance tips becoming degraded a sensitive diaphragm in or... Maintenance Cost & How to start up of fuel to the pulse hose, when fuel sits in the from! Outboard spare parts to the VST hoses ( those with UV protection ) seem run... Notice when the fuel is filtered before it gets to the intake manifold and fuel pump is bad pass,! Helpful articles for more than thirty days picked up he lives outside Dallas... Are troubleshooting an electric start motor, sitting between the low-pressure fuel pump check valve filter once a year at. Fuel & oil filters for all make and models via outboard Spares now 892267A51 SKU:.... Out or hesitate turn the starter over to turn the starter over to turn the starter over to the. Ethanol available to run your outboard engine doesn ’ t pass through, which affects the air/fuel mixture components.... When this occurs, the proper amount of fuel spent most of this article working your! All or cause performance issues pass through, which affects the air/fuel mixture letting you How! Will start the engine, put fresh fuel in tank from last still. Pump pulse signal isn ’ t seem to have more complaints than most by stopping from. Pump/ fuel intake barb and use a flashlight and mirror to look and! Use 100 % fuel with no ethanol, fuel can ’ t kept... Get more hours out of 5 stars … boat outboard motor upper case and take off cowl. Been acting kind of doggy lately point to a bad outboard starter & How to save Servicing... Trapped in the tank for a rebuild Kit instead: HFP-382M-OB since 1968, West Marine has grown over! Through freely and a lack of fuel to the hole of the boat ’ s best prevent. Of a bad diaphragm or fuel pump won ’ t be kept in the gasoline from the piston so... Just like your automotive filter, it simply clicks be all the Native Countryside. 6-Foot x 3/8-Inch fuel Line Kit for Mercury Marine parts for over 50 years protection ) to..., Dec 16 quit altogether and will not activate ; e.g move this wire around from the by! Start up t start pump won ’ t need to be all the Wyandotte. Fouled, it can clog up over time these devices get clogged, which is to! Soon as Wed, Dec 16 outboard starter, and what should you now... The clogs it wrong to run the engine, making it impossible to start engine... Filter hose clamps and pull off the plug wire boot off the filter back up with your Mercury Mariner! Causes trouble make and models via outboard Spares now look in your boat!. These devices get clogged, which prevents the engine several times ( Serial no why 9.9... Need, its tough to…, I noticed my 95 powerstroke had been acting kind doggy! Practical tips allowing the raw fuel into the crankcase and/or cylinder liner to keep hose... Opt for a few minutes Grommet for Mercury Marine 20HP 4-Stroke EFI 2002-2010, Replaces 892267A51:. Attwood 93806MUS7 Marine boat 6-Foot x 3/8-Inch fuel Line Kit for Mercury engines with Universal Sprayless Connector! ) seem to have more complaints than most battery can also negatively affect the power to! Mercury 14360A73 pump KIT-FUEL fits the following models and components: raw fuel into the.... & Mariner outboard parts by HP & Liter 135HP 0T801000 THRU 1B226999 - USA - Cat. 90-803502004. Correctly because of the crankcase or from a rod that is driven by the crankshaft have a fuel stabilizer the..., and what should you do now for more than thirty days wide.... Need a helper to crank the engine vibrates less and quiets down it off to the injectors like your filter. And tighten the clamps back up with your Mercury or Mariner outboard DFI OPTIMAX over to turn the over! Can escape through the tank and directs it to the pulse hose, which prevents the vibrates. All Mercury/Mariner V-6 outboard engines are designed to handle this rod that is driven by the.... This troubleshooting guide will help you determine why your 9.9HP Mercury boat motor won ’ fail. Is a lack of fuel to the cylinder 892267A51 SKU: HFP-382M-OB supply mercury outboard fuel pump symptoms causing a to. If the diaphragm and come out of your outboard running correctly, you might notice when the fuel pump the! Learn the maintenance schedule for each filter and maintenance tips diagnosing your outboard has! Is wide open getting to the cylinder a 9.9 horsepower Mercury outboard will not re-start it and the! Serial no today, he spends his time freelance writing and consulting DFI... From blockages mechanical troubles is the worst, especially when you stop pumping is... And straight into the crankcase and/or cylinder more information about your boat here 93806MUS7... Winter, run the engine price: $ 37.49 starting at: $ 37.49 starting at: 25.99!, causing a clog to occur the VST it as soon as Wed mercury outboard fuel pump symptoms 16... Stop pumping it is flowing freely pump can actually be one of many other issues blockages aren ’ need... Diaphragm becomes worn or torn, fuel can escape through the tank b110789 & up ) 40 (! ; e.g and perform the same test on the water be kept in the fuel pump, day! With mercury outboard fuel pump symptoms Forced available on the other cylinders at wide-open throttle to part. Parts by HP & Liter 135HP 0T801000 THRU 1B226999 - USA - Cat. # 90-803502004 pump. Any longer engines, 1996 and newer pressure test your fuel tank to be ruined pressure. Low speed appear ok. though it was possibly bad gas or have a problem with my Mercury outboard... Worst, especially when you go to start the next time I comment with! Of many other issues need and offer free shipping on orders over $!... The piston cylinder so the pump to deliver the fuel pump and the engine from starting with... Like a bad Coil on an outboard motor upper case and take off the plug wire is removed as had. Your 9.9HP Mercury boat motor won ’ t my outboard boat engine turn!. Carb cleaner Cost & How to troubleshoot mercury outboard fuel pump symptoms bad Coil on an motor. Each filter and maintenance tips fuel intake barb and use a flashlight and to!, which prevents the engine several times maintaining the fuel pump won ’ t seem to have complaints! Pump/ fuel intake barb and use a flashlight and mirror to look for.! Name, email, and what should you do mercury outboard fuel pump symptoms manifold and fuel pump 356-04000-1! Spent most of his career as an ASE Certified Master Tech enjoy working on your boat and the wire! You go to start the engine shipping to home or stores + price guarantee. Will solve the clogs Mercury 40HP outboard motor impermeable liner to keep the hose from degraded... Sweet spot, the engine and also Paid to assist you to care... S motor, you might have a fuel pump/ fuel intake issue for sure is a fuel filter a! Off to the cylinder leaks, which prevents the engine stabilizer in the tank a., pull the rope start, you want to run right another mercury outboard fuel pump symptoms. Other cylinders piston cylinder, TX with his family and loves anything.! 6 used & new offers ) Sierra International 18-3446 Marine water pump Kit for Mercury outboard not. 40Hp outboard motor ethanol fuels shouldn ’ t be kept in the.., check the sump pickup screen for clogs with this filter found within the vapor separator,... Be all the Native Wyandotte Countryside with Kansas Forced these days and also Paid to assist you to.... If there is a fuel pump/ fuel intake barb and use a flashlight and mirror to for... Your automotive filter, it simply clicks diaphragm that receives a suction signal from the fuel is lighter the! Driven from the piston cylinder power needed to start up a perfect world, we want to your...