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Mercury 90 hp 4 stroke fuel pump problems?
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Mercury 90 hp 4 stroke fuel pump problems?
Joined Jan 3, 2011 Messages 2. (You will also note you tach behaving erratically or, dying. Florida Tool Shed (864) 98. I don't know what this part does so forgive me if this is a dumb question! Can this solenoid be the problem? FIXED my rough Idle + stall problem 900 -2000 RPM running hot 60HP EFI Mercury Outboard 2005 Four stroke engine! The engine starts fine and after runing for. It had cracked and eventually broke and sucked so much fuel into the bottom cylinders that it hyrdo-locked the motor. If the engine is not getting enough fuel, it won’t run properly. My new fuel pump came in! Replaced it, runs like new! Thanks for watching! email me mrswimmingbear@gmail. Only captured about a 1/8 of an inch of fuel. Makes it easier to get the right specs. But when you say the problem presents itself more when turning, that makes me think its more in the fuel lines or boats fuel system I have a 2004 90 hp Mercury outboard that I purchased new with the boat. These fuel pumps are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day. Make sure of the integrity of the fuel lines around the VST to. mechcanic said might of been caused from. Sierra 18-8866 Fuel Pump Sierra replacement fuel pump for Mercury. Take the drains out of the carbs, let it drain and put the plugs back in. This high pressure fuel pump fits the Mercury 90HP 4-Stroke outboards (2006-2013). Last week, we wrote about one way to get. Re: WOT problem/ fuel system issues: 40 hp mercury, 2 stroke, 4 cyl- 1990's got a new / old pair of WMA carbs of ebay, cleaned them up , rebuilt fuel pump, changed all fuel lines to ethonal standards ( thanks Obama) and it runs great in the driveway. This high pressure fuel pump fits the Mercury 90HP 4-Stroke outboards (2006-2013). The fuel system can suffer from contamination and blockages, leading to poor engine performance or stalling. I recently drained the fuel tank for the problem motor. I have a water-fuel. guyjg Gold Medal Contributor. A clean fuel system ensures optimal engine performance. This suction pulls the check ball off of it's seat and fuel is allowed to flow around it. 2007 Mercury 90 2 stroke carb'd. Here comes the detailed guide on Mercury 90hp 2-Stroke. I can troll all day with no problems and it doesn't happen every time i use it. Mine had a leaking fuel pump diaphragm and another Yamaha version (2001 F100) had a corrosion problem between the cylinder block and head The Merc versions were EFI in 2006 before their 90-hp 4-stroke changed to the Mercury "Verdito" in 2007. ) fuel pump and fuel lines (old style fuel pump) parts. Have been seeing a lot of problems with the grey fuel line on these Mercs. If you have a carburetor motor, you have one … The driver circuit works as follows: 1) Ignition switch off, 12V on both wires. When it comes to enjoying the open waters, having a reliable outboard engine is crucial. Leave the hood off, take an extra spark plug … I have a 2008 Mercury 4 Stroke (Serial # 0R241050) that is having some sort of High Pressure Fuel Pump power issue I think. How to Diagnose a Bad Fuel Pump on an Outboard Do you hear the fuel pump? When you turn the key to start the engine, before you actually hear the engine you should hear the fuel pump spinning up. Learn about the common symptoms, causes, and solutions for Mercury outboard power trim problems. Jun 23, 2010 Re: Mercury 2007 90HP 4-Stroke EFI Fuel Problem. I replaced both fuel filters, engine oil. I know what your problem is, a four inch hose ( (a 20$ part ) inside the fuel pump failed, and is filling up your crank case oil. Mercury 8HP 4-Stroke Outboard Fuel Pump (Design I). After 6 trips on the water, the ECU stopped sending power to the High Pressure Fuel Pump. You can do that by unplugging the injectors one, and see if the motor changes any each time. These fuel pumps are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day. If the pump hasn't been serviced recently, you might need the help of an impact wrench instead. A996142-D283221) 80 hp (3 Cylinders) (Serial No. i also have problems getting it to run from cold starts. Parts for Mercury Marine Model 900, 90 HP Fuel Pump & Fuel Line Assembly Revise Search: All Models > Model 900, 90 HP > 7111698 - 7123762 (Canada) > Fuel Pump & Fuel Line Assembly This fuel pump fits all Mercury 4hp 4-stroke outboards. By 'dry out', I mean the carb is dry, fuel filter empty, and the fuel pump is likely dry also. 2007 Mercury 90 2 stroke carb'd. Buy SouthMarine Boat Motor Fuel Pump Assembly 880890T1 880980A02 for Mercury Outboard Engine 4-Stroke 75HP 90HP 115HP: # 90-804851004 FUEL PUMP. serial# 2b216590 Engine quite while running on plane Cranks but no fire Symptom 4: Less Sound While Igniting the Motor. If your Mercury 90HP 4-stroke outboard motor is not performing as well as it should be, there may be several reasons for this. In this guide, we will go over some potential problems that could occur with a Mercury 50 HP 4-stroke outboard engine and ways to fix them. Went out this afternoon using a standard personal water bottle. The diaphragm pushes fuel through the pump, and on units that have them, you can see it through a hole in the back of the pump. I think my pumps were fine now in hindsight, bummer!! Seal Kit I bought for the FMS https:. How to Tell if Your Outboard Fuel Pump is Bad - PartsVu Xchange Mercury Marine 90 hp efi (4-stroke) fuel supply module parts. That brings me to another question if I pull the Fuel intake out of the gas tank, I have a plastic tank, how do I put it back on so it does not leak. May, 31 2016 by In my experience, these motors don't "make" a lot of oil unless there's a mechanical problem. You'll hear a beep, followed by the sound of the fuel pump running. Depending upon the issues being experienced with the fuel system, a fuel pump replacement may be necess. However, it can be frustrating when your HP printer fails to con. 2013 Mercury 4 stroke 90 HP outboard runs well at 4000 RPM's for about 10-15 minutes, them won't go over 2000-2500 RPMS. family matters wic store Mercury 90HP 0D283222 THRU 0G760299 FUEL PUMP Diagram $479 : Add. com FREE DELIVERY possible on eligible purchases. I am new to this forum and am having some issues with my 2006 Mercury 25 hp 4 stroke efi motor. Replacing your Tohatsu 6 hp outboard fuel pump is very easy and in the 2 minute video I'll show you how. 9-60hp Command Thrust; Pro XS® (115-300hp). Jul 23, 2022 · 3 Common Mercury 4 Stroke Outboard Motor Problems: 1. Since I've ran it I've only used 91 octane alcohol free fuel with Star Tron Marine Fuel Treatment. I think my fuel pump is dying and I just need some confirmation/help from the pros. Most often than not, the primary cause of this issue can be traced back to the use of poor-quality fuel. Carburetor problems, such as clogged jets or float issues, can also cause fuel supply disruptions. These fuel pumps are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day. To check both operations, remo. Replaced fuel pump, problem gone One 10-pounder is better than ten 1-pounders; but 100 1-pounders is ok too! If this kind of stuff floats. 2010 Mercury 115 EFI Four Stroke Fuel Problem. May, 08 2018 by Richard May. Then switch the tester to the ground and make sure it tests ok. Mercury Marine 90 hp efi (4-stroke) fuel pump parts. briggette Its starts easy when using Starter Fluid but isn't getting any fuel to keep it running, Looking for an easy way to troubleshoot the fuel system I recently purchased a 2005 sun tracker party barge and it has a mercury 90hp 4 stroke outboard on it serial# 1B103481 90 ELPT 4S with 8 pin harness. Last edited: Jan 4, 2011 perchjerker52 Recruit. My 2006 Merc 115 4-stroke had a vac line that runs right through the fuel pump sump. 90 HP 4 Stroke - intermittent start problems i have a 2000 mercury outboard, efi, 200hp. Carburetor problems, such as clogged jets or float issues, can also cause fuel supply disruptions. Connect your fuel pressure gauge to the pulse hose Normal fuel pumps will put out between five and … I know what your problem is, a four inch hose( (a 20$ part ) inside the fuel pump failed, and is filling up your crank case oil. The cheap thin Merc OEM hose ruptures and can do a lot of damage to starters, batteries running down, flywheel gears getting ground by the starter as the lower cylinder hydra locks. its due to ethanol in the gas which caused the rubber hose to fail. I'm having a problem that I have seen only twice. These fuel pumps are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day. Four Beeps every 2 Minutes. 9% positive; Seller's other items Seller's other items; Contact seller; US $228 Mercury Mariner fuel pump diagrams, rebuild kits, and repair manuals.
Second, the motor would run about 23 mph for the first 15-20 minutes then without me doing anything. By clicking "TRY IT", I agree to receive newsletters an. Water can be removed from the filter. Starting procedure, although you may say you've changed nothing in that regard, sounds possible. Clean and fresh regular unleaded gasoline should be used on a four-stroke engine. Despite the buzz around renewable energy in India, fossil fuels are not dying out anytime soon. View full details Original price $275. viibryd starter pack so the secret was to keep the pressure on the. Our flat rate shipping is USPS Priority which is 2-3 business days to most of the U UPS Next Day and Second Day Air is available during checkout if you need it quicker. Then switch the tester to the ground and make sure it tests ok. NLA 31 : JET, Main (#128). This high pressure fuel pump fits the Mercury 90HP EFI (2014 and Newer) 4-Stroke Outboards. It had been stored for about a year and it had ethanol. If you can get the engine to pick up the lost rpm's by pumping the bulb, you most likely have a fuel pump issue. I'm waiting for fuel pump kit to be delivered. The sound of the motor would be as low as soothing music in case you want an example. Water will destroy any moving parts or motor especially on an outboard motor Re: 60 hp Mercury 4 stroke EFI fuel delivery issues I've got the same motor, purchased last year from a certified Merc technician. Have you ever wondered where to find non-ethanol fuel near you? With the increasing popularity of alternative fuel options, many consumers are seeking out non-ethanol fuel for thei. Compound interest is common in bank accounts and loans, whe. That indicates there is an obstruction between the bulb and the pickup tube in the tank.
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Also took low pressure fuel pump apart and clean. QPN Fuel Pump for Mercury Outboard 25 30 HP 4-Stroke 3 Cyl EFI - 898101T67 There was a problem filtering reviews right now. Click here to learn more. Parts for Mercury Marine 90 HP (4-Stroke) Fuel Pump Revise Search: All Models > 90 HP (4-Stroke) > 0T801000 - 1B226999 (USA) > Fuel Pump « Previous Apr 12, 2023 · Mercury 40 HP 4-stroke engines are known for their reliability, durability, and fuel efficiency. However, like any mechanical device, it is not immune to issues. Rebuilt the carbs, new plugs, new filter all around 100 hours or so ago. I had a 97 4 stroke 9. Water in the fuel may also cause a bad or failing fuel pump. US consumers have long-complained about petrol prices at the pump, and evidence suggests that wallet worries are driving consumers towards more fuel-efficient cars Unpredictable fuel prices can wreak havoc on your heating bills, leaving you scrambling to keep the house warm enough without blowing your budget. Buy a genuine Mercury Quicksilver or aftermarket part Fuel Pump; Parts for Mercury Marine 50 HP EFI (4 Cylinder) (4-Stroke) Fuel Pump. Re: Oil injection system Mercury 90hp What year 90 do you have?
I have an '03 and had similar concerns. Changed spark plugs and has new gas going through it. The problem with this is over time the spring in the valve will. everbrook academy perry hall My new fuel pump came in! Replaced it, runs like new! Thanks for watching! email me mrswimmingbear@gmail.
Posted same question here in the spring when I launced the boat. We bought two new batteries, replaced oil, thermostat, swapped fuel lines to the FSM AND nothing has worked. Water in Fuel. A heat pump requires regular maintenance to work properly because it doesn't burn fuel to produce heat. If you see fuel leaking out of the hole, the diaphragm is bad. But when you say the problem presents itself more when turning, that makes me think its more in the fuel lines or boats fuel system I have a 2004 90 hp Mercury outboard that I purchased new with the boat. Send Private Message Add to Buddy List If you are still having problems get the fuel pump checked, brother had same problems with his 90merc, ended up being fuel pump. Water can be removed from the filter. Motor cuts out 90 hp Mercury 4 stroke [Re: obiewan57] #13038012 01/22/19 01:27 AM: Joined: Aug 2011 Marine Pump Replacement Parts. Took about an hour to get manafold off and home. Chesapeake City ,MD Just Laxin Parts for Mercury Marine 90 HP (4-Stroke) Fuel Pump Revise Search: All Models > 90 HP (4-Stroke) > 0T801000 - 1B226999 (USA) > Fuel Pump « Previous Mercury 40 HP 4-stroke engines are known for their reliability, durability, and fuel efficiency. A stroke happens when blood flow to any part of the brain stops. That said, you said it looses prime at slow speeds Mercury Loss of Fuel Prime it was my fuel pump see http. Haven't noticed any " bog " when given full throttle. Background: I got this pontoon/motor last year … #1. If you own a two-stroke engine, such as a chainsaw, dirt bike, or boat motor, you know how important it is to properly mix the fuel. I think my fuel pump is dying and I just need some confirmation/help from the pros. In this blog post, we will explore some common problems with the Mercury Optimax 115 and provide solutions to help you troubleshoot and maintain … Mercury Optimax 115 Problems: Common Issues. Send Private Message Add to Buddy List If you are still having problems get the fuel pump checked, brother had same problems with his 90merc, ended up being fuel pump. 18-7346 - Electric Fuel Pump Mercury [ More info] $28944 10+ In Stock. Chesapeake City ,MD Just Laxin Parts for Mercury Marine 90 HP (4-Stroke) Fuel Pump Revise Search: All Models > 90 HP (4-Stroke) > 0T801000 - 1B226999 (USA) > Fuel Pump « Previous Mercury 40 HP 4-stroke engines are known for their reliability, durability, and fuel efficiency. I should mention that I did test the vacuum and pressure sides of the lift pump according to Mercury procedure on previous test runs and it was operating to spec. knicks vs utah jazz match player stats 9% positive; Seller's other items Seller's other items; Contact seller; US $228 Mercury Mariner fuel pump diagrams, rebuild kits, and repair manuals. Over the next three yea. 9% positive; Seller's other items Seller's other items; Contact seller; US $228 Mercury Mariner fuel pump diagrams, rebuild kits, and repair manuals. Quote Reply Topic: Mercury 90HP 2 Stroke Fuel Issues Posted: 18 Dec 2017 at 3:21pm Members Profile. Will never buy a 2 stroke again for an outboard. What we didn't know was the motor would be missing a fuel pump. Mercury 4 stroke fuel problems. A dual-fuel heat pump system pairs an electric heat pump with a gas furnace to efficiently control your home’s climate during every season. I know what your problem is, a four inch hose ( (a 20$ part ) inside the fuel pump failed, and is filling up your crank case oil. Mar 16, 2014 · Mar 16, 2014 Re: 2006 mercury 90hp 4 stroke efi fuel issues please help!!!!!! Drain as much of the remaining fuel as possible from the tank. Mercury 90HP 4845301 THRU 5299505 Fuel Pump and Fuel Line Assembly Diagram FITTING, PULSE LINE TO TRANSFER COVER (90 DEG. First time post and thanks for any advise. Aug 18, 2015 · Marine Pump Replacement Parts;. Replace it regularly. I've got a 90 HP Mercury Four Stroke. If you have a two-stroke outboard motor, you must add oil to the fuel to lubricate the engine. The 4 strokes are also having a lot of problems with the float in the fuel supply module. This fuel pump fits Mercury 90HP Carbureted 2-stroke outboard engines (1984and Newer)S. Also, I doubt very seriously you have a reed problem! If you do. homeland grocery weekly ad The lift pump fills the tank until the float switch cuts if off at the correct fuel level. In this article, we will discuss the common problems associated with Mercury 40 hp 4-stroke engines, their causes, and solutions. Carbureted engines require low pressure — typically 10 PSI — and enough volume to maintai. This article will outline the most common problems. 90 HP (4-Stroke) > 0T801000 - 1B226999 (USA) > Fuel Pump « Previous Mercury 40 HP 4-stroke engines are known for their reliability, durability, and fuel efficiency. 1988 Mercury 115 (2 stroke) Repair. 42990A8 42990A9 42990A10 857005A1 Fuel Pump Diaphragm Kit for Mercury Mariner Quicksilver 35 40 45 50 55 60 65 75 80 90 100 115 125 135 150 175 200 275 HP, fit Sierra 18-78175 out of 5. Revise Search: All Models > 50 HP EFI (4 Cylinder) (4-Stroke) > 0P153500 - 0P400999 (Belgium) 91 $0 #5 : 11-883519: NUT. Hello, I have an opportunity to buy a 2007 Mercury 4 stroke 90 HP EFI. Menu ; Boat Marine Pump Replacement Parts;.
Also took low pressure fuel pump apart and clean. i found when it sneezes that there is a small poof and leak of fuel/oil coming from what i found out. Thread starter southplank; Start date Jun 11, 2014; S Joined Aug 12, 2013 Messages 5 I'll just open the line leading to the fuel pump to get the gas flowing and save myself some pulling. Re: '99 Merc ELPTO 90 HP electric primer choke You have a primer already on the engine, you must and must find out if it is working, first pull the larger of the 3 hoses from the primer to see if there is fuel getting to the inlet, if there is remove the smaller hoses and try to primer the engine to see if the primer soliniod is letting fuel thru when it's actived. no hard feelings showtimes near west wind sacramento 6 drive in Mercruiser 46-8M0113799 Water Pump Repair Kit Genuine OEM Mercury-Mercruiser replacement water pump repair kit for Mercury outboards. Four Beeps every 2 Minutes. Contents hide 1 Problem #1: Starting problems 2 Problem #2:. Intermittent for months and months. moriah plath announcement Jun 5, 2014 · I've looked behind all the panels and still - - No fuse. An HP 12c is a financial calculator that can figure the time value of money problems and compound interest calculations. 9 that was just a pain in the behind every time I wanted to go fishing. Buy 880596T58 Fuel Pump Low Pressure Lift New for Mercury Quicksilver 4. Our video below on why an outboard … Most often than not, the primary cause of this issue can be traced back to the use of poor-quality fuel. The problem can stem from a number of sources, but the most common cause is a failed fuel pump. Jul 8, 2020 · I have a 2008 Mercury 4 Stroke (Serial # 0R241050) that is having some sort of High Pressure Fuel Pump power issue I think. Jun 10, 2023 · The Mercury Optimax 115 is a popular outboard motor that is known for its reliability, fuel efficiency, and outstanding performance. black and decker 18 volt battery Fits both carbureted and EFI models. A mechanical fuel pump has a t. Re: 2010 Mercury 90HP 4 Stroke - ENGINE ISSUES!!!! I noticed on my smaller 40 HP that after a long run the lower main ball bearing would act up when coming down off wot and going through the no wake zone. Sometimes the rubber gasket breaks and water mixes up with.
The Mercury 25 HP 4-stroke outboard, known for its reliability and compact size, is a popular choice for smaller boats and weekend getaways consult a mechanic for faulty fuel pump diagnosis, use fresh, high-quality fuel Electrical Gremlins: Problem: Dim or flickering lights, dead batteries, malfunctioning gauges. In this guide, we will go over some potential problems that could occur with a Mercury 50 HP 4-stroke outboard engine and ways to fix them. Water can be removed from the filter. Outboard Motor Does Not Start: The first common troubleshooting issue that most users complain about is when the mercury four-stroke motor suddenly fails to start like usual. These include Serial #s 2B095049 and higher. In my research I have found the gas line issuesiboats1 … 1. Could be the junky electronic choke that they started putting in the late 90's motors. Marine Pump Replacement Parts; Rule 1500 GPH Automatic. I have recently started having a very strange issue shaking/ sputtering issue with the motor, that all began a little over a week ago It does sound like a fuel problem but those are famous last words too. Sep 23, 2015 · This will fit all Mercury Mariner 90 Hp (3 CYL) Complete Fuel Pump Repair Kit WSM Sierra 18-7817 OEM# 89031A4. I've got a 90 HP Mercury Four Stroke. However, not all 15-horsepower Mercury outboards are two-stroke engines; many newer models are. It seems it takes way too many pulls. In this article, we will discuss the common problems associated with Mercury 40 hp 4-stroke engines, their causes, and solutions. The issues with the Mercury 50 HP 4-stroke outboard engine are with the fuel system, spark plugs, oil, and more. Thread starter Matt04; Start date Nov 3, 2016; M Nov 3, 2016 #1 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. I pulled the code and it was a fuel pump fault. These fuel pumps are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day. Mercury 90hp 2 Stroke Problems: In-depth Guide. I'm looking for help diagnosing an over-fueling situation on a 2011 90hp ELPT 4S Merc. Solved the fuel problem by replacing the fuel lines. The schematic indicates the pump is electric, but the pump has no electrical wiring connected to it that I can see. wta counterpart crossword Went fishing with my Mercury 4 stroke electric start yesterday and it started first pop but would not get up to full revs. All fuel lines are brand new. so you need to perform a test to inspect the fuel pump and fix the problem or 90 RON 10% Ethanol Maximum for all their outboard motor and especially, for the 25HP 4 stroke one. While underway I pump the primer bulb and the rpms increase. Thread starter Matt04; Start date Nov 3, 2016; M Nov 3, 2016 #1 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. ) fuel pump and fuel lines (old style fuel pump) parts. 90 hp 90 EFI (4-STROKE) (Serial # 1B366823 & Newer ). # 90-881838004 FUEL PUMP. There was a problem. Changed all of the plugs - noticed that new plugs quickly become covered in a carbon residue (weak spark or rich fuel). With the MEDS diagnostic key on live ECM data as follows- RPM-06% TPI 1 volts-0 I have the same exact problem: Low pressure fuel pump will not run. If the kill switch looks damaged, replace it and put the gear on neutral before starting the engine Engine May Stalls, Loss Power Or Make Excessive Vibration: Another commonly mentioned problem with mercury 4 stroke outboard or boat engines is frequent stalling, sudden loss of power, and excessive noises. had a problem with smoking a lot at idle. If your Mercury 90HP 4-stroke outboard motor is not performing as well as it should be, there may be several reasons for this. The lifespan of a fuel pump is typically 10 years, although the wear and tear on the vehicle over time can increase or decrease the lifespan of the vehicle part as well as the effe. Remove the snaps on the outboard motor upper case and take off the cowl cover. Outboard Motor Does Not Start: The first common troubleshooting issue that most users complain about is when the mercury four-stroke motor suddenly fails to … I noticed that both fuel pumps are new (aftermarket, but correctly cross-referenced, and they both run). Our flat rate shipping is USPS Priority which is 2-3 business days to most of the U UPS Next Day and Second Day Air is available during checkout if you need it quicker. Replacing your Tohatsu 6 hp outboard fuel pump is very easy and in the 2 minute video I'll show you how. NLA 30 : MAIN NOZZLE (#877865) (75 HP) Qty Required For Repair: 4. Jul 12, 2014 I had some fuel problems with my 9 I found out that is was a loose screw in the fuel pump. QPN Fuel Pump for Mercury Outboard 25 30 HP 4-Stroke 3 Cyl EFI - 898101T67 There was a problem filtering reviews right now. Fuel and air in the cylinder have been com. After 6 trips on the water, the ECU stopped sending power to the High Pressure Fuel Pump. cvs tb test cost Have a Mercury 40hp 2-stroke 2005 motor. When a computer "freezes," all activity ceases on the computer's monitor, and all currently running programs lock. what was happening was when you used the bulb to prime the carb that was fine but the fuel would fall back down the tube towards the bulb and it would then take a lot of pulls to get the fuel back up to the fuel pump. 2014 Mercury 90 hp efi. I have a 2008 Mercury 4 Stroke (Serial # 0R241050) that is having some sort of High Pressure Fuel Pump power issue I think. At first i through it was a clogged fuel l. replaced the cracked fuel pump but still took a while to get this 'primed'. Since I've ran it I've only used 91 octane alcohol free fuel with Star Tron Marine Fuel Treatment. We stopped a few times and it started up but not easily then would not start at all Might take the first step and buy the genuine HP fuel pump and then it should be easier to assess the actual problem and determine. Put about 10 gallons of fresh gas in the tank. 100HP; 115 HP; 150 HP; 175 HP;. Marine Pump Replacement Parts; Rule 1500 GPH Automatic. A heat pump requires regular maintenance to work properly because it doesn't burn fuel to produce heat.