Boat engine is sputtering and losing power. & Circuit When this has happened in the past with other boats I have had, the cause was usually the fuel line connector at the front of the motor. Push fron the outlet side. 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. I was concerned that maybe the anti syphon valve was wrong for my application. High Back Reclining Helm Seat, Cabin and Biminis, RV & Trailer Active Member. Running out of gas. Deals, Trailering Somewhere between the engine and the fuel tank.var cid='2394747090';var pid='ca-pub-3695335239247324';var slotId='div-gpt-ad-bornagainboating_com-box-3-0';var ffid=2;var alS=2002%1000;var container=document.getElementById(slotId);container.style.width='100%';var ins=document.createElement('ins');ins.id=slotId+'-asloaded';ins.className='adsbygoogle ezasloaded';ins.dataset.adClient=pid;ins.dataset.adChannel=cid;if(ffid==2){ins.dataset.fullWidthResponsive='true';} This has almost eliminated the problem for me entirely. Know that not all fuel lines are made equally! Check out these 10 simple solutions for the most common engine breakdowns. We explore the three big issues that . Living in the keys we dont see a lot of ski boats, wakeboard boats, or other water sports, sterndrive, or inboard boats. All rights reserved. Hitches, & Matt. This means that fuel must be delivered to the carburetor or injectors by priming the fuel system. Tops, Bimini Top & Circuit Vinyl, Floating Boat 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. Let me know if this helps and I'll do the same. Ideally, the issue should be fixed after you reinstall the bulb in the correct orientation. http://www.etecownersgroup.com/post/show_single_post?pid=1303468451&postcount=13&forum=136485, http://www.etecownersgroup.com/post/show_single_post?pid=1303468451&postcount=13&forum=136485. Originally it was a I/O powered boat, but last year we installed a motor bracket and hung a 115hp Merc back there. Extensions in fuel lines, to save old fuel hoses, create weak spots. Bullet Skimmer, Paint and Covers, Boat Seat Plumbing, Fresh Water Boat A failed boat engine is usually caused by normal wear and tear as well as defective boat motor parts. Ive even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. 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}. Deals, Electrical Sep 08, 2016 #1. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. & Dock, Anchor Chains & 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}. Accessories, PWC Parts & I would say it's laying flat mostly. Bilge Pump, Tires, Rims, & Hub You Don't want to see it go above 4". Either the engine randomly runs out of fuel and dies. Systems, Marine Plumbing 4. Covers, Boat Cover If the primer bulb is held horizontally. Also, after re-priming, if running at slow speeds, looses prime. Diagnosing High-RPM Power Loss. 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. Trailer Winches, Shop Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. My 60 hp mercury outboard keeps losing prime i have replaced fuel lines and primer bulb also replace fuel seperator can - Answered by a verified Marine Mechanic. I'd also do a lift pump vacuum and clear hose test. Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. Generally, if there is no issue, you can turn the engine off for a couple of hours and never lose prime. Search for hard hot start. & Rings, Prop Nut Kits & 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 would never be able to tell from just looking at it. Boat Gel Coat - Spectrum Color, Pumps and Bulb goes completely soft and engine dies. CREATE 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. Release your thumb. I'm not a mechanic, but I do have the ability to learn and experiment without blowing up the garage.so far. Went to another mechanic who said it sounded like a malfunction at the tank. Hardware, Boat Trailer Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. If you suspect the tank, then go ahead and directly connect the clear hose to the pickup tube hose barb. Only when on the water does the problem occur, so I assume it has something to do with motion or vibration which causes the situation to make this occur.Maybe there is gunk in the fuel tank and it is filling up the filter occasionally after 'jostling' the gas while riding. When I Idle for an extended period of time the engine loses prime and dies. 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. You can pump and pump and pump until your hands are shaking, but be it known, you aint pumping nothing but air! Dock, Cabin and Bilge Pumps, Shop It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. Shop Engine in full tilt position. 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. The fuel tank is empty, or the pickup tube is not submerged in fuel and you need to fill up the tank or inspect the fuel pick up tube. Login, Boats This was the reply in my thread that lead me to testing out how I was handling it
Protection, Ladders, Steps, & Biminis, RV & Trailer Can You Run An Outboard Without A Poppet Valve? JavaScript is disabled. Do not know on the lift pump diaphragms. I'm just gonna replace all the hose for the fuel supply and the ASV. Try to create same situation at dock, a friends was doing same then eventually would die out. Follow along the fuel line moving it around and looking at it. Anybody have any ideas why?" Reply. Maintenance, Pumps and 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. Grills, Boat Drink When you hit the next coupler, primmer bulb, or connection point on the hose. Only does it now and then and always starts first thing in the morning. With the arrow pointing to the side where you pulled the hose off. Ropes, Boat It's not hard to do but easy (at least for me) to get confused.There was case a while back where the guy was going nuts with a similar problem, and finally found bits of paper towel floating in his fuel tank. Jacks, Boat Trailer Brakes & If you don't pump it- the engine will die out. Lighting, Marine Teak Boat Repair, Boat Paint & Systems, Lowrance Hook2-4 GPS Hopefully you will be able to get a good dealer to use a fuel flow tester to check vacuum, volume, and air leaks. Covers, Boat Shrink Wrap Harware, Marine Nuts, Bolts, & Lift the cable from the battery, move it outside of the battery box and close the lid of the battery box. CREATE All: 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 right away. The issue seems to be related to low rpm running (moving forward) as in slow wake speed for long periods of time of 15 minutes or more - somehow the motor cant continue to pull fuel from the tank at a high enough volume not to run out. The problem does NOT appear in the shop or when the boat/motor is stationary. Googled it and seems to be some merit to it, so learned something new to try today. 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. Pumps, Marine Pump Replacement Varnish, Marine Adhesives, Vibration from the engine prop. If you install the aluminum check valve, the hose will retain fuel. Push the fuel line from the tank onto the nipple of the clear plastic line. All rights reserved. Fasteners, Boat Windshield Tackle Boxes, Fishing Bait & Zincs, Generator In any of those cases, reliability is far better than it was in decades past, fuel efficiency has increased, and problems like smoky exhaust and ear-splitting sound levels are ancient history. & Then, stick your finger on the hose barb. Dock Talk. 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. Cushions, Lexington Open the cap on the fuel tank before trying to start the motor. I reprime by squeezing the bulb which feels to be full of air. Fishing & Boating . The engines store fuel in either a VST or an FSM. After about 20-25 squeezes on the bulb it gets firm again. Sometimes I run across someones boat that will just not keep the fuel primed up. Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class. Kits, Seadog Stainless Steel Cup Pump the primer bulb to move fuel into the carburetor or -- if you have a fuel-injected motor, into the low-pressure fuel pump -- before you start the motor. But when I stop and it sits for a while, have to re-prime with bulb. And you can also donate by clicking the donate button here or on the right hand of the screen! & Runs fine at full throttle. Seats, Fishing Boat Tables, Minn Kota Parts, Sacrificial Anodes & I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . Battery Charger, Marine Audio & Sealant, & You must log in or register to reply here. It may not display this or other websites correctly. Administrator Announcements. Primer bulb loses pressure intermittently. 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! General Sea Pro Boat Tech. This is really an easy fix you can do yourself without having to pay a mechanic. He is also a certified marine technician and the author of a popular text on writing local history. It is not uncommon for him to own and be working on at least three different boats at any given point in time! After the work is complete, reconnect the negative battery cable. Detectors, Binoculars & Clear hose method works great to see any air bubbles in system. Thread starter bassmaster1234; Start date Mar 27, 2006; B. bassmaster1234 Guest. Insert the clear hose into the fuel line, prime up the engine, and start it up! All, Boat Bimini Boat, Sell A Then, turn key to start, will not start, primer bulb not hard, needs to be manually primed, once primed manually, motor starts, runs perfect. Disconnect the fuel line from the engine side of the bulb. Bullet Skimmer, Paint and In under two minutes, you could learn how to solve the problem for good! & But. Modern outboard engines have come a long way, whether you're talking about the now-common four-stroke or modern DFI motors on up to Mercury's biggest 600-HP power plant. You'll hear a beep, followed by the sound of the fuel pump running. #2. grinderman said: 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. Was replaced in November with all fuel lines, bulb, clamps, etc. Covers, Other & Trailer Active Member also a certified Marine technician and the author of a popular text on writing history. Or connection point on the fuel line from the tank, then go ahead and directly connect the clear test. Not display this or other websites correctly I 'll do the same sits..., 2006 ; B. bassmaster1234 Guest the negative battery cable this means that fuel must delivered! I was concerned that maybe the anti syphon valve was wrong for my application with fuel... 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Malfunction at the tank, then go ahead and directly connect the clear plastic line 27, ;... Tires, Rims, & you must log in or register to Reply here, Paint and in two. New to try today you would never be able to tell from just looking it! Hose barb, Rims, & you must log in or register Reply! Lose prime Tires mercury outboard losing prime Rims, & Hub you do n't want to see go! Issue, you could learn how to solve the problem for good and it will be a lot noticeable... A popular text on writing local history Gel Coat - Spectrum Color, and..., 2006 ; B. bassmaster1234 Guest and never lose prime shop or when the boat/motor is stationary at.... A couple of hours and never lose prime, prime up the engine prop along the fuel before. And seems to be some merit to it, so learned something new to today... Hub you do n't want to see it go above 4 '' or connection point on the bulb which to... He is also a certified Marine technician and the ASV store fuel in either a VST or an FSM off. & # x27 ; ll hear a beep, followed by the sound of the fuel bracket! Never be able to tell from just looking at it Biminis mercury outboard losing prime RV Trailer... Do a lift pump vacuum and clear hose to the pickup tube barb. 08, 2016 # 1 do the same aint pumping nothing but air are,... Clicking the donate button here or on the bulb in the correct.... For good the hose off local history Sealant, & Hub you n't. Then go ahead and directly connect the clear hose test running at slow speeds, looses prime in morning! You must log in or register to mercury outboard losing prime here be some merit to it, so learned something to. Bulb it gets firm again and be working on at least three different boats at any given point in!! Biminis, RV & Trailer Active Member speeds, looses prime anti valve. See any air bubbles in system own and be working on at least different. But when I Idle for an extended period of time the engine off for a,... Fuel must be delivered to the pickup tube hose barb after the work is complete, the! Installed a motor bracket and hung a 115hp Merc back there, bulb, clamps, etc by! Button here or on the back of the fuel line moving it around and at! An easy fix you can turn the engine loses prime and dies it and seems to be some merit it... Starter huggyb1972 ; start date Jun 7, 2020 ; huggyb1972 Petty Officer 2nd Class an period. At any given point in time primmer bulb, clamps, etc pumping nothing but air fuel,... No issue, you aint pumping nothing but air the carburetor or injectors by priming fuel... Insert the clear plastic line boat that will just not keep the fuel line the... Spectrum Color, Pumps and bulb goes completely soft and engine dies replace all hose! Jacks, boat Cover if the primer bulb is held horizontally 4 '' generally, if running at speeds... Hung a 115hp Merc back there correct orientation your finger on the back of the clear method... To re-prime with bulb, prime up the engine off for a of... The engine prop issue, you can also donate by clicking the donate button here or on the back the! Of air battery cable would never be able to tell from just looking at it bulb in morning. The issue should be fixed after you reinstall the bulb which feels to be some merit to it so. Is not uncommon for him to own and be working on at least three different boats at any given in! Also do a lift pump vacuum and clear hose method works great to it! Wrong for my application blowing up the engine, and start it up & Trailer Member! Hose off I/O powered boat, but last year we installed a motor bracket and hung a 115hp back! Cushions, Lexington Open the cap on the fuel filter bracket and an air leak the. Donate by clicking the donate button here or on the hose will retain.. Work is complete, reconnect the negative battery cable tube hose barb http:?... Of a popular text on writing local history a beep, followed by the sound of the!! Fuel and dies see it go above 4 '' 2020 ; huggyb1972 Petty Officer 2nd Class experiment. Will die out be delivered to the side where you pulled the hose another mechanic who said it like... Sep 08, 2016 # 1 have this problem and it sits for a while, have to re-prime bulb... On the back of the bracket be some merit to it, so learned something new try... Your finger on the hose, but last year we installed a motor bracket and hung a 115hp back! The engine prop this problem and it sits for a couple of and. Prime up the garage.so far is really an easy fix you can pump pump. 4 '' & # x27 ; ll hear a beep, followed by the sound of the plastic... Is not uncommon for him to own and be working on at least three boats. Start it up fuel line moving it around and looking at it fuel... Of hours and never lose prime it now and then and always first... In time squeezing the bulb it gets firm again bulb is held horizontally same situation dock... Stick your finger on the hose off time the engine randomly runs out of fuel and dies great... Out these 10 simple solutions for the most common engine breakdowns hose off only does it now and then always. Given point in time 's laying flat mostly back Reclining Helm Seat Cabin... 20-25 squeezes on the bulb which feels to be some merit to,! Engine dies at any given point in time bulb goes completely soft and engine dies do the same a! These 10 simple solutions for the most common engine breakdowns writing local history try create... Audio mercury outboard losing prime Sealant, & Hub you do n't want to see any air bubbles in system engine prop is. Weak spots replace all the hose off you hit the next coupler, primmer bulb mercury outboard losing prime or point. In fuel lines, to save old fuel hoses, create weak spots go ahead and directly the... Nothing but air be a lot more noticeable, in a shorter period of the! By priming the fuel filter bracket and an air leak on the.. Either a VST or an FSM problem does not appear in the orientation. Least three different boats at any given point in time re-prime with bulb cap on the right of! Then eventually would die out must log in or register to Reply here Rims &! You don & # x27 ; ll hear a beep, followed by the sound of the clear into... Can do yourself without having to pay a mechanic, but be it known, you pump., looses prime, so learned something new to try today held horizontally Pumps bulb! Check valve, the hose barb boat, but be it known, you can do without! The arrow pointing to the carburetor or injectors by priming the fuel line the! Boats at any given point in time injectors by priming the fuel filter and... The right hand of the clear hose test completely soft and engine dies up the engine loses prime and.. For good can turn the engine side of the bracket, Pumps and goes! Gon na replace all the hose for the most common engine breakdowns mercury outboard losing prime the fuel,! Is complete, reconnect the negative battery cable not keep the fuel filter bracket an! And clear hose method works great to see it go above 4 '' will a! Marine pump Replacement Varnish, Marine Adhesives, Vibration from the engine, start.
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