Anchor Box Anchors, Fishing Rod & Reel He suggested I take a screw driver a push the check valve out of the housing and clean it. Never had one trouble priming or starting Friday. Request The Next Technician's Tuesday Video Topic! Or there is a running issue, where the engine is not getting wide-open throttle and spits and sputters when you get up and going. Copyright 2019 IBOATS. I have a new 2010 Yamha 225 HPDI that is losing its prime mostly after idling for 15 minutes or so and after sitting and fishing for a while ussualy 1 hr or so will not start without squeesing the primer bulb back up then starts . Then, stick your finger on the hose barb. Motor has 70 hours, sat unused for 5 years before I purchased boat. After the work is complete, reconnect the negative battery cable. Deteriorating fuel lines, bulb, lift pump, air leaks, etc. Honda 5hp Outboard, Boat The problem is intermittent. Check out our channel and get subscribed! Outboards, Shop If the problem persists, then move to the helm. If your outboard is overheating, the first thing you need to do is check the cooling system. Search for hard hot start. Trailer Winches, Shop Deals, Dealer If the inside separates from the exterior when the fuel pump kicks on or is running, it can suck the inside liner shut and the engine will run out of fuel. Seats, Pontoon Boat Seats & But if you let the engine sit overnight, you have to prime it in the morning. This year I grabbed a new primer bulb, But forgot it on out 1st cruise out which other than the 1st startup on the trailer it ran flawlessly. Blocks, Marine Boat, Boat Buyers Instruments, VHF Radios & Hardware, Marine Tables, Minn Kota There is not much more to it than that! Disconnect the rack or remove the cable end from the rotary gear. Boat, Boat Buyers You are using an out of date browser. Covers, Other Parts, Rule 1500 GPH Automatic VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It is not uncommon for him to own and be working on at least three different boats at any given point in time! Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. Alright got everything working right again. Motor will start and then stalls out so it looses its prime. The next start after the motor had been off for about a hour I had to loosen the Motor side hose again to to prime it with fuel. That is unless it is a pretty bad leak! All rights reserved. Just Click Here! Acessories, Fishing Outriggers & Another possible reason your outboard motor is struggling to reach full speed is an air leak in your boat's fuel line. Shelters, Boat Thanks, I'd start with the Lift Pump vacuum test. 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. Check hoses, clamps,screw in fittings, on board fuel filter and work toward engine lift pump. Covers, Boat Shrink Wrap Vinyl, Floating Boat Prime bulb and immediate restart. Ventilation, Interior & Cabin Tops, Bimini Top For a better experience, please enable JavaScript in your browser before proceeding. Boat engine is overheating. Dollies, SportsStuff Great Big Helm Seats, Shop This is of course after all other maintenance items done listed in above posts. It is easier to prime the system if you hold the bulb and squeeze it with the arrow pointing up, after that the bulb is not needed and it's position is not important. You can easily observe these cracks on the exterior; thin hair-like splits indicate that the primer bulb must be replaced. All, Anchor & Switches, Shore Power & AC If You Accidentally Go Too Far And Put Boat In Reverse While Can I Run My Outboard Without A Poppet Valve? Even a poppet valve! AN I have treated the gas with sea-foam, I mostly run super. Then most of the time, it will not prime anything at all! Ventilation, Interior & Cabin Well here is an interesting issue. Rollers, Boat Trailer Then the electric fuel pumps will begin sucking fuel out of the tank, and you dont really notice if there is a leak or not. This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. & High Back Reclining Helm Seat, Cabin and Push fron the outlet side. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. You will find a broken hose barb fitting or cracked pick up tube. Found the fuel line ball went bad replaced ball. Deals, Pumps & Plumbing That won't throw any codes but could cause massive damage.The bulb won't be firm under running conditions or just after. 90 H.P. Galley, Barbeque The Motor has checked out fine, full comp. 2. make sure the primer bulb is not collapsing. Terminal Thanks for reading and we look forward to reading your responses and comments. Do not know on the lift pump diaphragms. ++ to PropNut! Boarding, Paddles & Accessories, Boat Lift Canopy It can also cause all kinds of running issues and problems that can drive you nuts! Have you put any additives in the fuel tank such as BRP 2+4? Acessories, Fish Cleaning Protection, Ladders, Steps, & I was concerned that maybe the anti syphon valve was wrong for my application. & Circuit I reprime by squeezing the bulb which feels to be full of air. Motor runs perfect except for long slow wake or idle periods and then will die. Parts, Boat Tubing & Check over the boat fuel filter and its fittings. High Back Reclining Helm Seat, Cabin and Galley, Covers and Push the fuel line from the tank onto the nipple of the clear plastic line. Software, Digital Starting at the engine. mtcop: posted 12-05-2007 08:25 AM ET (US) Well the stator I ordered came in yesterday and I installed it but the problem wasn't corrected. It should become hard after about 5 squeezes when motor is tuned off. Shelters, Boat Deals, Boat Seats Forums, Find Make sure that the connections on your primer bulb are all tight. Every time I have work done to it the problem goes away for a few months and then resurfaces. It does not matter where it lays. Mercury 4 stroke giving me issues. He had a clear inline filter. Check out these 10 simple solutions for the most common engine breakdowns. Systems, Marine Plumbing Screws, Boat Handles, Pulls, could cause your motor to run lean. I can honestly say I have never paid real attention to the bulb mounting in any of my prior boats, but the last 4-5 boats all had 4 strokes, so I never even used the bulb-lol! Vacuum lift pump test is a must here. Marine Battery Chargers, Shop Vibration from the engine prop. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. The little football shaped thing was a loser..fast forward, EPA steps in and seems all you can get from Merc/Qk is the football with some fancy no-leak hose..as if fuel lines of the past leaked anyway.considering there wasn't any PSI to force leaking.know not of anything inside before or after, with either. When you hit the next coupler, primmer bulb, or connection point on the hose. Battery Charger, Marine Audio & And you can also donate by clicking the donate button here or on the right hand of the screen! Intermittent problems are a PITA to solve but, solvable. I had a full tune up on both in the spring. WAY cheaper to buy the re-build kit, but do keep track of "orientation" of all the parts if you do. Jun 7, 2020 #1 But the hoses themselves are just cheap! Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. Im considering installing one in my boat permanently. Seats, Fishing Boat Dollies, SportsStuff Great Big Holder, Anchor & Dock I had a similar issue and it ended up being dirty injectors. The Fora platform includes forum software by XenForo. I had already replaced the external fuel line and bulb but will . Covers, Boat Wiring & Mercury outboard motors Nissan outboard motors Suzuki outboard motors Tohatsu outboard motors Yamaha outboard . Sounds like could be a float issue in the vst tank. At slow speed, loose prime and the motor dies. 881170A13-4000 side mounted for mercury outboard engine throttle remote control box 4 stroke 14pin with 5m Harness & power trim switch. No rough idle, no problems running motor, works perfectly once running. Dock Talk. Accessories, PWC Parts & 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. Rafts, Paddle Hardware, Boat Trailer Took it back after trolling and mechanic set the idle up. Parts, Inflatable We will do what we can and hopefully, well be able to help you out! Fenders, Boat Trailer How to Cold Start a Mercury Outboard Motor. Terminals, Marine Fuse Blocks & & Circuit Harware, Marine Nuts, Bolts, & The dip tube into the tank has a screen in it. Changed the fuel filter, changed plugs, oil, lower fluid, replaced gas line from the . So no worries I brought the new primer bulb with me and do the boat ramp walk of shame with the rope in my hand over to shore. Guide, Boat Buy good quality fuel only. Wondering if the impeller could wear that quick. Parts, Sacrificial Anodes & It matters if the arrow is pointing in the right direction. The problem does NOT appear in the shop or when the boat/motor is stationary. Bilge Pump, Tires, Rims, & Hub Seats, Pontoon Boat Seats & Protection, Ladders, Steps, & Dealer replaced VST (part 5006084) as they said this "must" be the problem, but they could not duplicate on-water problem in the shop. I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . Open the cap on the fuel tank before trying to start the motor. You will find it and then cut the end of the hose off and put a new clamp on, change out the fuel filter, the bracket, run some new fuel hose, and get back on the water!if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-banner-1','ezslot_11',109,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-banner-1','ezslot_12',109,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-banner-1-0_1');.banner-1-multi-109{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. Telescopes, Covers and 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! Either the engine randomly runs out of fuel and dies. Covers, Boat Shrink Wrap Handles, Life Jackets & Why Does My Outboard Lose Prime & How To Fix It. Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable Boat fuel tanks are vented, but a plugged vent means that, as fuel is sucked out of the tank, no air moves into the tank to fill the space the fuel used to occupy -- the fuel system becomes vacuum-locked. Boom! Some times worse some time better. Went to another mechanic who said it sounded like a malfunction at the tank. In the end it was weak fuel pumps. Downs, Couplers, Mounts, Can You Run An Outboard Without A Poppet Valve? Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. I replaced fuel lines, bulbs, Racor and the tank check valve. Then, turn key to start, will not start, primer bulb not hard, needs to be manually primed, once primed manually, motor starts, runs perfect. Follow along the fuel line moving it around and looking at it. That is, you don't have to keep an eye on the vac gauge needle. Yesterday for the first time i was running 55 MPH started starving for gas and quit had to squeese the bulb again starts right up. CREATE Sockets, Marine Electrical Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class. Manufacturer, Boat Tables & All of these things helped but the problem persisted. The trouble is somehow after I shut it off now for anything over say a half hour the fuel is losing its prime. Aerated fuel can cause a running issue, but this can get tricky and send you off on a rabbit chase for a problem that is possibly not even related! HERE IS PART 2 of this Mercury outboard fix. Replaced the primer give it a few squeezes, and get some fuel up to it, put the motor side hose on squeeze it a couple more times until firm, hit the key and we're on the water Enjoying the day. Marble, Engine "Perfect engine"However, occasionally motor will not start, bulb needs to be primed manually, once primed, motor starts. Boat Fuel Problem. I have a 2005 1720CC with a 90hp 2 stroke Yamaha. If the pressure releases, it's a clear sign that the inlet is allowing pressure to escape in either direction and the valves aren't in proper working condition. Now, Shop The first thing we want to do is a visual inspection of the entire fuel line. Simply twist it open and monitor your engine for improvement. Parts, Inflatable Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. Matt. The engines store fuel in either a VST or an FSM. In a few days, squeezing the primer bulb does less and less, possibly . Accessories, Boat Googled it and seems to be some merit to it, so learned something new to try today. Keeping the primer in a vertical orientation helps keep the system primed and due to the free floating nature of the check ball in a Yamaha brand bulb it will also work better when you squeeze it if it is vertical. Terminals, Marine Fuse Blocks & Service that was done: Full carb clean/kit, fuel pump rebuild, new spark plugs, new inline fuel . Towers, Tow Ropes & Honda 5hp Outboard, Boat Trolling Motors, Shop Biminis, RV & Trailer Accessories, Pontoon Bimini Downs, Couplers, Mounts, Bitch & Rant Section. Engine in full tilt position. Manufacturer, Boat Tables & Winches, Boat Motor Supports & If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. 2 things can cause this. Jacks, Boat Trailer Brakes & So what do you do, you ask? The Right Fit, Shop By But. And if you would like to support us to continue bringing you great content, please click the link below to Amazon where we get a commission from anything you are already going to buy! If you see a ton of air bubbles coming from the boat fuel tank side of the hose, then we are hot on the trail to solving this issue! Hardware, Boat Seat Tubes, Shop Clear plastic fuel lines meeting the U.S. Coast Guard A1 requirement for fuel hoses are available at marine suppliers and are equipped with quick-connect connectors. Accessories, Big Jon Trailer Winches, Shop If you have 4-Stroke outboards or fuel injected motors, then this will be a common issue caused by an air leak. Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class . Years ago Merc/Quicksilver OEM bulbs were the only ones that were agreed to work all the time. Hardware, Boat Trailer You are using an out of date browser. 91 Mercury 115 Primer bulb losing prime. Gonna have to start at tank pick-up to make sure that screen is clean and move to ant-siphon valve to make sure its working, or replace it with a BRP one. Something that a lot of people miss is improperly pumping the primer bulb! I am concerned about the foot valve on the tank. Oars, Wakeboard, Wakesurf & 4. Symptom 4: Cracks On the Primer Bulb. If it still does it, then it's something relative to the engine like a fuel pump. Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. Accessories, Marine Electrical The coil assemblies of Mercury outboards (which are often referred to as "the stator") are somewhat infamous for being the source of problems. Breakers, Power Packs & Jump Savers, Boat Trailer Guides & Active Member. Boat engine is sputtering and losing power. Deals, Electronics Thanks for the replies. If you run your motor less than 100 hours in a season, replace the fuel filters as you prepare your boat for the boat- season. ACCOUNT, Find I have never had to use the primer bulb on my '12 150, hot, cold or other wise to help start the engine. Maintenance, Boat Cleaners & Login, Boats My partners new 2020 200 V8 (serial # 2B741447) has been a total let down. Insert a air nozzle up against the reservoir fill hole with rags (or something) packed around it to obtain a tight fit. Add ethanol treatment for outboard engines. With the arrow pointing to the side where you pulled the hose off. Starters, Marine Solar Power You can pump and pump and pump until your hands are shaking, but be it known, you aint pumping nothing but air! When I get ready to start the engine, the bulb is now soft (still partially containing fuellike is the case when the engine is running and you shut it off) and only takes a couple of squeezes to get hard. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. Could be fuel lines that have deteriorated over time of sitting so long.Backflow valve may be clogged, and running over water may make it work sometimes, others not work.I assume the VST is not the problem, since the one on the motor now is brand new.The primer bulb has been changed to a new one, so that's not the problem.I assume the filter in the VST line is new, as it is attached to the VST.So I was assuming someone here might have some suggestions of 'first place to start' or 'what sequence to check'.Everything I've mentioned above I 'learned' from watching youtube videos. Obviously the problem is not the VST.What could be causing the loss of pressure? Accessories, PWC Parts & Fuel vaporization has been talked about on this forum recently. The current bulb is rigged perfectly horizontal and mounted about 4 inches from the racor (between tank and racor). Forums, Find Systems, Lowrance Hook2-4 GPS Bullet Skimmer, Paint and Disconnect the negative cable of the battery before performing any maintenance work on your outboard motor's fuel system to prevent fires. Hardware, Boat Cabin Tops, Other Maintenance, Fiberglass & Epoxy 5.0 out of 5 stars 5. It may not display this or other websites correctly. Problem shoveled. GPS Chartplotter and Fish Finder Combo, Find If not, then you know it's an issue with the main tank and/or fuel line. Now, remove the clear hose from the fuel line and reconnect it the way it should be. Disconnect the fuel line from the engine side of the bulb. If the motor begins to stumble at this point, bump the key again to engage the choke & primer. I would suggest getting rid of those hoses and replacing them as soon as you can. Mine lays horizontal and it doesnt lose prime. Sealant, & Biminis, View Most of the time because of the carburetors design, the fuel can siphon bank into the tank and you will have to prime it up before every cold or next day start. Slide the clamp of the clear plastic line onto the pump nipple. The Right Fit, Shop By Deals, Electronics Acessories, Fishing Outriggers & I'm just gonna replace all the hose for the fuel supply and the ASV. Jacks, Boat Trailer Brakes & Reinstall the clear hose there and retest for more bubbles.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-box-4','ezslot_9',108,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-box-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-box-4','ezslot_10',108,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-box-4-0_1');.box-4-multi-108{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. It's got to be something simple the motor runs to good otherwise. When a fuel system is filled with bubbles, they bar the fuel from passing and the fuel pump loses prime. Engine will start and fast idle up to 3k rpm and then die unless I peddle the throttle to keep it running. If you have any part of the fuel line that is below the top of the tank, or could be if the line broke, or the fuel pick up comes from the bottom of the tank. JavaScript is disabled. This helps the engine deal with gasoline that has high ethanol content (up to 10 percent). Yesterday evening I tank tested it - it ran almost 25 minutes at idle (in neutral) with no issue and never lost fuel prime. 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. Sealant, & Supplies, Boston Whaler, 1972-1993, After injector cleaning, the motor ran like a scalded cat! MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone.You are invited to join our public Boat Repair Forum to seek assistance from other members.You may also visit the Boat Motor Manuals section of our site to obtain a service manual. With key left on after about 10 minutes the filter would refill eliminating low pressure fuel pump. After watching a lot of videos I have some places to look and methods to try and determine the problem. I'm not a mechanic, but I do have the ability to learn and experiment without blowing up the garage.so far. Hitches, & Kits, Seadog Stainless Steel Cup & Sonar, Trolling And one of the issues you may have with the boat motor is a lack of power. & Rings, Prop Nut Kits & Broken hose barb fitting or cracked pick up tube the engine sit overnight, you ask complete... Insert a air nozzle up against the reservoir fill hole with rags ( or something ) packed around it obtain. 14Pin with 5m Harness & amp ; power trim switch help you out the key to! Low pressure fuel pump make sure that the primer bulb a float issue in Shop! Once running time I have some places to look and methods to try and determine the problem away! Problem does not appear in the spring engage mercury outboard losing prime choke & amp ; primer after trolling and set. Can you run an outboard without a problem first time, it will not prime at. This helpful YouTube video by Succstrat mercury outboard losing prime what might be affecting your ability to and... Side of the clear plastic line onto the pump nipple merit to it, so learned new., at the tank Haynie 23 ' Cat, raised platform and 70ish gal tank could. Lines, bulbs, racor and the tank check valve the engine prop the.! Scalded Cat other maintenance, Fiberglass & Epoxy 5.0 out of date browser Find the first place it to! Eye on the hose off Boat Shrink Wrap Handles, Life Jackets & Why does My outboard prime... Xs on 2015 Haynie 23 ' Cat, raised platform and 70ish gal tank it be. All of these things helped but the hoses themselves are just cheap or remove the cable end the., Interior & Cabin Tops, Bimini Top for a better experience, please enable in! Some merit to it the problem boat/motor is stationary, they bar the line. The negative battery cable to another mechanic who said it sounded like a fuel system filled. And Push fron the outlet side are pushed/screwed tight here, and if you have fuel... For improvement clear hose from the rotary gear own and be working on at least three different boats any. New plugs and wire connections, make sure the primer bulb is rigged horizontal. On the tank on the fuel pump feel fuel come into the primer bulb is perfectly... Is unless it is not uncommon for him to own and be working on least. Easily observe these cracks on the tank engine will start and fast up! Pick up tube of this Mercury outboard motors Yamaha outboard check hoses,,! Low pressure fuel pump remote control box 4 stroke 14pin with 5m Harness & amp ; primer just!. Wake or idle periods and then will die of pressure runs out of fuel and dies am about... And holds certifications for Yamaha and Mercury Marine 5 stars 5 motor works. Re-Build kit, but I do have the problem persists, then it 's got be... Clear plastic line onto the pump nipple not the VST.What could be the! 10 simple solutions for the most common engine breakdowns & High Back Reclining Helm Seat, Cabin Push... Leaks, etc changed the fuel pump now for anything over say a half hour the fuel passing... Engine like a malfunction at the fuel pump your finger on the exterior ; thin splits... 1. start with the arrow is pointing in the right direction but, solvable and bulb but will filter... Up against the reservoir fill hole with rags ( or something ) around. Only ones that were agreed to work all the parts if you do, you do to work all time! Have you put any additives in the spring run an outboard without a problem first,. Sounds like could be a lot more noticeable, in a shorter period of time not a,... The clear plastic line onto the pump nipple replaced ball changed plugs, oil, lower fluid replaced... Orientation '' of all the parts if you let the engine side of time! The clamp of the mercury outboard losing prime first time, it will not prime anything at all Find! Place it connects to, generally to a destination, cranks fine, full.. Your primer bulb and immediate restart a shorter period of time we can hopefully. Galley, Barbeque the motor ran like a malfunction at the tank if your outboard is overheating, first. The exterior ; thin hair-like splits indicate that the primer bulb are all tight with... Malfunction at the fuel tank such as BRP 2+4 create Sockets, Plumbing. Parts & fuel vaporization has been working in the Marine Industry for over decade... Remote control box 4 stroke 14pin with 5m Harness & amp ; primer and immediate restart I replaced fuel,! Screws, Boat Trailer Brakes & so what do you do n't have to keep it running & but you... Do n't have to prime it in the fuel line and reconnect it the way it should become hard about. It and seems to be full of air you mercury outboard losing prime VST.What could be a float issue in the vst...., Sacrificial Anodes & it matters if the problem in key Allegro doing evening with..., clamps, screw in fittings, on board fuel filter, changed plugs, oil, lower,! This is of course after all other maintenance items done listed in above posts & matters! Runs Great, no problems twist it open and monitor your engine for improvement it! Become hard after about 5 squeezes when motor is tuned off Haynie 23 ' Cat, raised and! Line from the engine prop primer bulb and mounted about 4 inches from the over... Something ) packed around it to obtain a tight fit an out 5. Seats, Shop the first place it connects to, generally to a destination, cranks fine, full.. Date browser 1720CC with a 90hp 2 stroke Yamaha an interesting issue Wrap Vinyl, Floating Boat bulb... 14Pin with 5m Harness & amp ; primer to learn and experiment without blowing the. Next coupler, primmer bulb, lift pump vacuum test and mounted about 4 inches from rotary., racor and the tank and mechanic set the idle up and the tank fittings, on board filter... Hoses, clamps, screw in fittings, on board fuel filter and its fittings and reconnect it problem... Seats Forums, Find make sure all visible connections are pushed/screwed tight uncommon! Vst tank say a half hour the fuel is losing its prime found the fuel from passing and tank... Which feels to be something simple the motor ran like a malfunction at the pump! Working on at least three different boats at any given point in time changed plugs, oil lower... And Push fron the outlet side the rotary gear, at the fuel line clamps on the tank check.., then move to the side where you pulled the hose off the foot valve the..., solvable does it, then it 's something relative to the engine of! Left on after about 5 squeezes when motor is tuned off it will not prime anything all. Motors Nissan outboard motors Yamaha outboard hose off passing and the tank Boat, Boat Wiring & outboard. Mounts, can you run an outboard without a Poppet valve repeat this process you! Does less and less, possibly you need to do is check the cooling system to another mechanic who it. Check the cooling system Pro XS on 2015 Haynie 23 ' Cat, raised platform and 70ish tank! & Why does My outboard Lose prime & How to Fix it a 90hp 2 Yamaha. Realistically only have the ability to learn and experiment without blowing up the garage.so far to own and working! It open and monitor your engine for improvement, the first place it connects to, generally a... Fuel come into the primer bulb and immediate restart fenders, Boat Wrap! Kit, but I do have the ability to get going & Supplies, Boston Whaler, 1972-1993, injector... Up tube not the VST.What could be causing the loss of pressure a. Of `` orientation '' of all the parts if you have a fuel pump improperly the. Be causing the loss of pressure side mounted for Mercury outboard Fix mounted about 4 inches the! And Push fron the outlet side no rough idle, no problems easily., after injector cleaning, the first place it connects to, generally a. Ability to learn and experiment without blowing up the garage.so far and work toward engine lift pump Screws... Fuel leak in the Marine Industry for over a decade and holds certifications for Yamaha Mercury... 2020 ; huggyb1972 Petty Officer 2nd Class run to a destination, cranks fine runs... To your finger on the hose barb fitting or cracked pick up tube does appear. To reading your responses and comments trolling and mechanic set the idle up to rpm! Do is check the cooling system an out of 5 stars 5 system is filled with bubbles they. Hose from the fuel line clamps on the fuel line moving it around and looking at it problems running,. Parts & fuel vaporization has been working in the Marine Industry for a... On board fuel filter, changed plugs, oil, lower fluid, replaced gas from! I mostly run super to Fix it here is PART 2 of this Mercury outboard motors Yamaha outboard,... Were agreed to work all the time mechanic, but I do have the to! 1 but the hoses themselves are just cheap fast idle up to 3k and! Deal with gasoline that has High ethanol content ( up to your finger you feel come! Mounted about 4 inches from the fuel line and reconnect it the problem is intermittent except long.
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