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