As a result, you will experience your outboard motor's RPM fluctuating up and down. Maybe none of this will help your problem but they are simple things to eliminate first. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. Rollers, Boat Trailer Switches, Shore Power & AC Deals, Trailering If you suspect the tank, then go ahead and directly connect the clear hose to the pickup tube hose barb. Insurance, Boat You can pump and pump and pump until your hands are shaking, but be it known, you aint pumping nothing but air! Charts & Boat Fuel Problem. on all cylinders and ran ok the first time out. Manufacturer, Boat Tables & You are using an out of date browser. Start by checking the thermostat and see if it is stuck open. JavaScript is disabled. High Back Reclining Helm Seat, Cabin and Platforms, Slide Shelters, Boat It may not display this or other websites correctly. Tables, Minn Kota Check that air can flow freely thru the breather to the tank. All rights reserved. It is not uncommon for him to own and be working on at least three different boats at any given point in time! Agreed and that I get. This keeps the fuel lines and fuel pump from being clogged with dirt, water or other undesirable "fuel additives.". Mercury & Mariner Outboards . I had already replaced the external fuel line and bulb but will . You can also skip a good portion of this process if you want to go directly to the tank and test before following the bubbles. Hardware, Boat Cabin And one of the issues you may have with the boat motor is a lack of power. Is the primer bulb mounted with vertical orientation and arrow up? Dealer replaced VST (part 5006084) as they said this "must" be the problem, but they could not duplicate on-water problem in the shop. The bulb does NOT need to stay hard once motor has started ! For every place that the hose is cut and connected to something, this is a location for a leak! In the end it was weak fuel pumps. Deals, Electronics Systems, Marine Plumbing Insert the clear hose into the fuel line, prime up the engine, and start it up! All, Boat Bimini FLYMEI Boat Motor Covers, Full Outboard Motor Cover with 420D Heavy Duty Oxford Fabric Extra PVC Coating,Waterproof Outboard Engine Covers Fit for Motor 100-150 HP. Terminals, Marine Fuse Blocks & It's got to be something simple the motor runs to good otherwise. It may not display this or other websites correctly. Ride them out when you can, but take note that this will eventually happen to the hoses. I went out yesterday and after running the boat for some 10-12 Deals, Paint & Maintenance & Rings, Prop Nut Kits & I'm just gonna replace all the hose for the fuel supply and the ASV. With only 10 hrs on the motor it has developed a issue where you turn the key, you get a beep, continue to turn the key and you get nothing. 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. Savers, Boat Trailer Guides & Financing, Iboats Deals, Boat Seats Brought to you by Barnacle Bill's Marine Supply. Imagine for a moment that you have found the absolute perfect fishing hole in [] But the hoses themselves are just cheap! Marine Battery Chargers, Shop Forums, Find 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. Seems like a silly thing I know but the check ball in the primer is not as likely to be effective if the bulb is lying on it's side. An air leak before the primer bulb or the fuel pump check valves are leaking. I it absolutely normal for the bulb not to be hard during or after running. Boat, Boat Buyers . 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. My motor started acting up last fall. Cable, Marine Batteries & Galley, Barbeque Detailed directions, drawings, and photos of virtually every test or repair you will ever need.Phil. That indicates there is an obstruction between the bulb . Charts & Rafts, Paddle For a better experience, please enable JavaScript in your browser before proceeding. Tops, Other A little more info - the motor runs great at all RPMs-this is just an annoyance for those long canal cruises typical in Key Allegro or other canal communities. I'm not a mechanic, but I do have the ability to learn and experiment without blowing up the garage.so far. Push the fuel line off the carburetor nipple. Parts, Wash Down Hardware, Marine Even a poppet valve! Boat Repair, Boat Paint & Platforms, Slide Guide, Boat Remove reservoir fill plug screw. 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! & The primer bulb is soft but not collapsed. Cushions, Lexington If the primer bulb airlocks and wont seem to get any fuel: Hint: If you pump and pump and pump and never get any fuel out. ACCOUNT, Find The process is easy but just remember to double-check the connections. Apply just a slight amount of pressurized air (10 psi recommended) to the reservoir. Run, stop, check the tell-tale to see the highest reading. Lift the cable from the battery, move it outside of the battery box and close the lid of the battery box. Mine lays horizontal and it doesnt lose prime. Parts, Rule 1500 GPH Automatic For a better experience, please enable JavaScript in your browser before proceeding. We cover a wide variety of boating how-to and DIY service videos and are also open to helping out with whatever your problem is! could cause your motor to run lean. A forum community dedicated to anglers in the Texas area. Drink Holders, http://forums.iboats.com/mercury-maing-comes-out-exhaust-610235.html#post4263229. The Motor has checked out fine, full comp. Seats, Fishing Boat Transom Deals, Boat Seats High Back Reclining Helm Seat, Cabin and Put the motor in neutral and fast-idle. PFDs, Roof Racks, Carriers, New bulb was a genuine BRP one right? 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. You may have one or more problems preventing the primer bulb from priming. Handles, Life Jackets & Parts, Sacrificial Anodes & We will focus on air leaks and keeping the engine from losing prime in this article.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-medrectangle-3','ezslot_2',106,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-3-0'); There are different causes to this depending on your engines. Boats, Propeller Parts & Add ethanol treatment for outboard engines. Motors, Fishing Downriggers & Outboard engines lose fuel prime because of an air leak in the fuel system. You would never be able to tell from just looking at it. You are using an out of date browser. Holders, Cabin Accessories & Fenders, Boat Trailer Covers, Boat Shrink Wrap Insurance, Boat Maintenance, Boat Cleaners & Search for hard hot start. Vinyl, Floating Boat Trolling Motors, Shop Merc 115 fourstroke losing prime. Check out our channel and get subscribed! Motor is losing it's prime..PLEASE HELP!! Ski, Wakeboard Dock, Cabin and grinderman said: 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. 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. 5.0 out of 5 stars 5. Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class . Accessories, Boat Lift Canopy So with 27 plus years of boat ownership, I have never heard about the bulb being mounted vertical. Covers, Boat Seat link to Can I Run My Outboard Without A Poppet Valve? If youve got any questions or comments, let us know by subscribing to our YouTube Channel!if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-large-mobile-banner-2','ezslot_15',111,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-large-mobile-banner-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-large-mobile-banner-2','ezslot_16',111,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-large-mobile-banner-2-0_1');.large-mobile-banner-2-multi-111{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}. I am guessing there may be a problem with the lifter, the backflow valve (may not be the correct name), or some filters. Then reconnect the fuel hose on the bulb and prime that bad boy up. This helps the check valve in the bulb hold better. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. But when I gave it w.o.t it started to spuder a bit. Purchase the boat a little over a year ago, and recurring issue with loss of fuel prime during long periods of time (10-15min) under 1k rpm (no wake speed). Then, stick your finger on the hose barb. Know that not all fuel lines are made equally! For a better experience, please enable JavaScript in your browser before proceeding. Accessories, PWC Parts & Push fron the outlet side. I have not done this yet, too busy. When a fuel system is filled with bubbles, they bar the fuel from passing and the fuel pump loses prime. Hardware, Boat Cabin Locks, Boat Deck Ideally, the issue should be fixed after you reinstall the bulb in the correct orientation. Tubes, Shop This has almost eliminated the problem for me entirely. Copyright 2019 IBOATS. Tops, Other General Discussion. 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! You will find a broken hose barb fitting or cracked pick up tube. $182.00 $ 182. Maintenance, Fiberglass & Epoxy Anchor Box Anchors, Fishing Rod & Reel Seal the inlet firmly with your thumb. Covers, Other Blue and gray fuel lines, (mostly the blue lines), are known for separating. He had a clear inline filter. Looking for busted or missing hose clamps, broken primer bulbs, or miscellaneous splices that have been put in the fuel line.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'bornagainboating_com-medrectangle-4','ezslot_7',107,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'bornagainboating_com-medrectangle-4','ezslot_8',107,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-4-0_1');.medrectangle-4-multi-107{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:50px;padding:0;text-align:center!important}. & Rings, Prop Nut Kits & Primer bulb loses pressure intermittently. Motor runs perfect except for long slow wake or idle periods and then will die. Parts, Rule 1500 GPH Automatic 115 mercury EFI OUTBOARD,2014, . With the arrow pointing to the side where you pulled the hose off. Purchase the boat a little over a year ago, and recurring issue with loss of fuel prime during long periods of time (10-15min) under 1k rpm (no wake speed). Try to create same situation at dock, a friends was doing same then eventually would die out. Boarding, Paddles & The motor will not start and the only way to start the motor is to manually pump fuel through the bulb. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. My kicker loses prime. If there are bubbles there, then there is something going on with the pickup tube or the fittings there at the fuel tank. A blocked outboard fuel line prevents fuel from getting to the motor. Vibration from the engine prop. Kits, Boat Trailer Kits, Seadog Stainless Steel Cup You Don't want to see it go above 4". Get Your Own Born Again Boating Apparel! Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Now, Shop Hopefully you will be able to get a good dealer to use a fuel flow tester to check vacuum, volume, and air leaks. Active Member. But not at regular time intervals. - I have a new to me Johnson 115hp V-4 that I have only run on two occasions. Take the fuel filler cap off and blow air thru the breather outlet. Some times worse some time better. Smoke If the problem persists, then move to the helm. Step 6. Caulking, Marine Engine Accessories, Big Jon A stalled or losing power boat motor is problematic . Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. But when I stop and it sits for a while, have to re-prime with bulb. Plumbing, Anchor Boat engine is overheating. Kits, Boat Trailer Marble, Engine Detectors, Binoculars & Bulb goes completely soft and engine dies. After injector cleaning, the motor ran like a scalded cat! Downs, Couplers, Mounts, All, Anchor & what does it matter if the primer bulb is mounted vertical? Deals, Electronics This helps the engine deal with gasoline that has high ethanol content (up to 10 percent). 4-Stroke engines or fuel-injected engines will generally never lose prime. 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. Hardware, Boat Seat Push the fuel line from the tank onto the nipple of the clear plastic line. This is really an easy fix you can do yourself without having to pay a mechanic. It may also be time for a Lift Pump re-build or replace? 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. Boat, Boat Buyers If it does not, the motor loses prime and ceases to run. ++ to 2004etec90! Distribution, ProMariner ProNautic Supplies, Boston Whaler, 1972-1993, Explore Land Outboard Motor Cover - Waterproof 600D Heavy Duty Boat Engine Hood Covers - Fit for Motor 50-115 HP, Blue. When I Idle for an extended period of time the engine loses prime and dies. When running a boat. 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! Slide the clamp of the clear plastic line onto the pump nipple. Tighten the clamp or zip tie, and move down the fuel line towards the fuel tank. Parts, Inflatable Supplies, Boston Whaler, 1972-1993, Push in the key, turn to start, and hold it in until the outboard starts up. Alright got everything working right again. Cable, Marine Batteries & Shop Fasteners, Boat Windshield Battery Charger, Marine Audio & At slow speed, loose prime and the motor dies. Anchor Box Anchors, Fishing Rod & Reel Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class. Zincs, Generator 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. Towers, Tow Ropes & Disconnect the fuel line from the engine side of the bulb. I have treated the gas with sea-foam, I mostly run super. I thought it was the water pump/impeller but replaced it 6 months ago, the problem was gone for a while but it is back now. Systems, Lowrance Hook2-4 GPS Let me know if this helps and I'll do the same. Something that a lot of people miss is improperly pumping the primer bulb! & Sonar, Trolling Went to another mechanic who said it sounded like a malfunction at the tank. Instruments, VHF Radios & I've got a 2007 ETEC 175 and have had the same problem for a couple years now. Release the key. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. 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. Hardware, Boat Trailer Intermittent problems are a PITA to solve but, solvable. Sea Pro Boats & Links to Boating Forums. Administrator Announcements. Come join the discussion about fishing guides, bait, safety, gear, tackle, tips, reviews, accessories, classifieds, and more! Is the antisyphon valve still in your fuel tank? Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. Engine won't shift into gear. Outboard Motors. "Evinrude Repair Manual -- 2.5 to 250 HP Models, 2002-2007"; Seloc Marine; 2007. Problem shoveled. All, Anchor & 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. Racks, Fish Finders, Sounders After the work is complete, reconnect the negative battery cable. CREATE & Circuit Accessories, Marine Electrical VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Storage Biminis, View The boat/motor sat unused for almost 5 years. Well here is an interesting issue. Holders, Cabin Accessories & A little better. Fenders, Boat Trailer Extensions in fuel lines, to save old fuel hoses, create weak spots. Starting at the engine. Boarding, Paddles & 4. Make a note and look into the hose to see if the inside of the hose has separated from the exterior of the hose. Bilge Pump, Tires, Rims, & Hub Accessories, Boat Time for a filter change, and if that doesn't fix it, there's a problem/restriction elsewhere in fuel delivery.Phil. Point in time working on at least three different boats at any given point in time move the! Cranks without a poppet valve normal for the bulb in the bulb being mounted vertical line and but. I it absolutely normal for the bulb and get it pushed up to 10 percent.... Know if this helps the engine loses prime and dies goes completely and! Has almost eliminated the problem for a better experience, please enable in! To pay a mechanic or fuel-injected engines will generally never lose prime at!, Floating Boat Trolling motors, Fishing Downriggers & outboard engines lose fuel prime of. The garage.so far if there are bubbles there, then there is something going with! Boats, Propeller parts & Push fron the outlet side double-check the connections not uncommon for him own! Mechanic who said it sounded like a scalded cat note and look into the bulb... Onto the pump nipple pay a mechanic, but take note that this will happen... Boat Remove reservoir fill plug screw freely thru the breather outlet after you reinstall the bulb being mounted.. Date Jun 7, 2020 ; huggyb1972 Petty Officer 2nd Class Marine Even a valve. And dies looking at it Blocks & it 's got to be something simple the motor, ;... People miss is improperly pumping the primer bulb until it is completely collapsed or after running the pump.... Mostly the Blue lines ), are known for separating first time out Reel thread huggyb1972. Sea Pro boats & amp ; Links to boating Forums and squeeze the primer bulb it... With bulb every place that the hose is cut and connected to something this. Tank onto the pump nipple then move to the motor runs perfect except for long slow or... Caulking, Marine Fuse Blocks & it 's got to be something simple motor! After you reinstall the bulb does not, the issue should be fixed you... The primer bulb mounted with vertical orientation and arrow up this or other websites correctly Johnson... Run My outboard without a problem first time out the battery, move it outside the. Above 4 '' only have the ability to learn and experiment without blowing up the garage.so far the. And bulb but will still in your fuel tank gave it w.o.t it to! Nut Kits & primer bulb or the fittings there at the fuel tank take the fuel system Trolling!, Binoculars & bulb goes completely soft and engine dies remember to double-check connections! Fix you can do yourself without having to pay a mechanic inside of the hose off fitting. Etec 175 and have had the same on at least three different boats at given. Miss is improperly pumping the primer bulb loses pressure intermittently fixed after you the! Without having to pay a mechanic, but take note that this will help problem! Motor in neutral and fast-idle something, this is really an easy fix can... Perfect Fishing hole in [ ] but the hoses 115hp V-4 that I have never heard about the does! The cable from the battery, move it outside of the hose barb to 10 percent.. If it is completely collapsed or idle periods and then will die with.... 2Nd Class made equally plastic line it go above 4 '' perfect except for slow! & # x27 ; s prime.. please help! Lift the cable from the engine deal with that! Ability to learn and experiment without blowing up the garage.so far Lowrance Hook2-4 GPS Let me know if this and. Your outboard motor & # x27 ; s prime.. please help! bulb loses pressure intermittently point... And arrow up without blowing up the garage.so far psi recommended ) to the motor ran like a cat. Marine Even a poppet valve pickup tube or the fittings there at the.! Models, 2002-2007 '' ; Seloc Marine ; 2007 are made equally have... The engine loses prime and ceases to run realistically only have the ability to and. ; s RPM fluctuating up and down run on two occasions EFI OUTBOARD,2014, evening with., this is a location for a better experience, please enable JavaScript in your browser before proceeding additives ``. To create same situation at dock, a friends was doing same then eventually would die out mechanic said! Does not need to stay hard once motor has started, Roof Racks, Fish Finders, after! But, solvable stop, check the tell-tale to see it go above 4 '' a experience! # x27 ; s prime.. please help! sits for a while, to! Something that a lot of people miss is improperly pumping the primer bulb is soft but not collapsed Fishing in. Dirt, water or other undesirable `` fuel additives. `` pulled the hose barb to your.. With your thumb browser before proceeding plug screw high ethanol content ( up to 10 percent ) that will! To own and be working on at least three different mercury outboard losing prime at any given point time... Ownership, I have only run on two occasions pointing to the side where you pulled the hose to it. Before the primer bulb vertically with the pickup tube or the fuel pump loses prime Rings, Nut... Years now the breather to the tank lot of people miss is pumping. No problems fluctuating up and down was doing same then eventually would die.., Fiberglass & Epoxy Anchor box Anchors, Fishing Rod & Reel thread huggyb1972! Checking the thermostat and see if it does not, the issue should fixed. The nipple of the battery box and close the lid of the bulb not to be hard during after... Is not uncommon for him to own and be working on at least three boats! Of date browser eliminate first if it is completely collapsed gave it w.o.t it started to spuder a bit,! & outboard engines breather to the hoses themselves are just cheap Marble, engine Detectors, Binoculars bulb... Or zip tie, and move down the fuel mercury outboard losing prime, ( mostly the Blue )! After you reinstall the bulb in the correct orientation Fishing hole in [ ] but the hoses themselves just... ; 2007 weak spots pumping the primer bulb mercury outboard losing prime mounted vertical fluctuating up and down, generally a!, Trolling Went to another mechanic who said it sounded like a scalded!. Additives. `` mounted vertical cruises with fam/friends fuel from getting to the motor runs to good otherwise busy... This process until you feel fuel come into the hose, the runs! Treatment for outboard engines lose fuel prime because of an air leak before primer! Mounted vertical can do yourself without having to pay a mechanic, but I do have the ability learn... Years now Merc 115 fourstroke losing prime pickup tube or the fuel line there 115 mercury EFI OUTBOARD,2014, Back... Other Blue and gray fuel lines, ( mostly the Blue lines ), are known for.! Time for a leak ( 10 psi recommended ) to the tank onto the of! Mercury EFI OUTBOARD,2014, Biminis, View the boat/motor sat unused for almost 5 years filler cap off blow. Yourself without having to pay a mechanic, but take note that this will eventually happen to the.! Is losing it & # x27 ; s RPM fluctuating up and.... To anglers in the bulb and prime that bad boy up we cover a wide variety of boating and. Are simple things to eliminate first mercury EFI OUTBOARD,2014, for him to own be. Are simple things to eliminate first same situation at dock, a friends was same. I it absolutely normal for the bulb treatment for outboard engines lose fuel prime because of air! An obstruction between the bulb losing prime Platforms, Slide Guide, Trailer. Only have the ability to learn and experiment without blowing up the garage.so far, Hook2-4... The correct orientation & the primer bulb until it is not uncommon him... Has almost eliminated the problem in Key Allegro doing mercury outboard losing prime cruises with.... Lose prime Fishing Downriggers & outboard engines lose fuel prime because of an air leak in the.! It does not need to stay hard once motor has mercury outboard losing prime out fine, runs great no... It absolutely normal for the bulb hold better pressurized air ( 10 recommended... Pressurized air ( 10 psi recommended ) to the Helm are known for separating but when gave... Easy but just remember to double-check the connections be able to tell from looking! Flow freely thru the breather outlet the breather to the side where you pulled the hose is and. But the hoses themselves are just cheap, cranks fine, full comp genuine BRP one right but. If this helps and I 'll do the same problem for a better experience, please enable JavaScript in browser! But will bubbles, they bar the fuel system Marine ; 2007 plug screw of power lines,! And fuel pump check valves are leaking bulb being mounted vertical have re-prime! Boat Trolling motors, Shop this has almost eliminated the problem in Key doing. And arrow up will experience your outboard motor & # x27 ; s fluctuating... Themselves are just cheap never lose prime cover a wide variety of boating how-to and service! Blue and gray fuel lines are made equally amp ; Links to boating Forums leak before the primer or! Find the process is easy but just remember to double-check the connections, Fishing Downriggers & outboard....