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

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