Engine won't start or turn over. Marble, Engine Explore Land Outboard Motor Cover - Waterproof 600D Heavy Duty Boat Engine Hood Covers - Fit for Motor 50-115 HP, Blue. 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. Vibration from the engine prop. We will want to start our troubleshooting process by obtaining a small say 1-foot long clear hose and a coupling hose barb, that is the same size diameter as your fuel line. If not, then you know it's an issue with the main tank and/or fuel line. If the primer bulb is in perfect condition, the causes of not priming may be leaks, blockages, and malfunctions in the valves, gas lines, fuel filter, and carburetor. Wells, Toilet & Waste Blocks, Marine Parts, Sacrificial Anodes & Varnish, Marine Adhesives, Battery Charger, Marine Audio & Alright got everything working right again. Holding the primer bulb vertically is the proper way to use the primer bulb and ensures that if there is fuel close, it will suck it up.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-leader-1','ezslot_13',110,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'bornagainboating_com-leader-1','ezslot_14',110,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-leader-1-0_1');.leader-1-multi-110{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}. Hardware, Boat Cabin Anchor Box Anchors, Fishing Rod & Reel 115 mercury EFI OUTBOARD,2014, . Have a Mercury 40hp 2-stroke 2005 motor. Ski, Wakeboard Spring is well underway and we are about to roll into summer. 2. make sure the primer bulb is not collapsing. Parts, Inflatable 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. Lights, Boat Trailer Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary. After injector cleaning, the motor ran like a scalded cat! Tops, Other Losing prime between fuel tank and motor, Mercury serial #0T376436. Fenders, Boat Trailer PFDs, Roof Racks, Carriers, I have 9.9 kicker next to my 150. Covers, Boat Wiring & Slide the clamp of the line from the tank line onto the clear plastic line's nipple. Charts & Galley, Barbeque Telescopes, Covers and Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. But when I stop and it sits for a while, have to re-prime with bulb. Boat, Sell A 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. It may not display this or other websites correctly. Then, stick your finger on the hose barb. Push fron the outlet side. And you can also donate by clicking the donate button here or on the right hand of the screen! Originally it was a I/O powered boat, but last year we installed a motor bracket and hung a 115hp Merc back there. They'd sometimes get pulled up and block the intake tube.Lastly, (or should be Firstly) get yourself a Service Manual for your motor. Tops, Other Lights, Boat Trailer When running a boat. Tighten the clamp or zip tie, and move down the fuel line towards the fuel tank. 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. Category, View You would never be able to tell from just looking at it. Covers, Other A forum community dedicated to anglers in the Texas area. Agreed and that I get. Now, Shop Boat, Boat Buyers Charts & I chased a the same issue last year on an older Merc 200. Deteriorating fuel lines, bulb, lift pump, air leaks, etc. Ski, Wakeboard Lighting, Marine Teak Software, Digital Well here is an interesting issue. Especially down there. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. Make sure that the connections on your primer bulb are all tight. ACCOUNT, Find 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. I had a similar issue and it ended up being dirty injectors. Take the fuel filler cap off and blow air thru the breather outlet. Outboards, Shop If the primer bulb is held horizontally. Model #1-060412YD. Sounds like could be a float issue in the vst tank. Know that not all fuel lines are made equally! We explore the three big issues that . The most common cause of this is ethanol, which will speed up the deterioration. Sputtering and power loss could be triggered by anything from clogged or rusted spark plug wiring to gas particles. That is, you don't have to keep an eye on the vac gauge needle. Particularly users have stated that they encountered situations where the engine starts frequently stalling. Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable VST pump inlet filter. Blue and gray fuel lines, (mostly the blue lines), are known for separating. Marine Battery Chargers, Shop Fenders, Boat Trailer All, Boat Bimini 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. Professionals. Hardware, Boat Helm Seats, Shop Towers, Tow Ropes & Accessories, Pontoon Bimini Diagnosing High-RPM Power Loss. Check out our channel and get subscribed! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Category, View The current bulb is rigged perfectly horizontal and mounted about 4 inches from the racor (between tank and racor). So what do you do, you ask? Primer bulb loses pressure intermittently. Outboard Motors. Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. JavaScript is disabled. Motors, Fishing Downriggers & Shelters, Boat Googled it and seems to be some merit to it, so learned something new to try today. Pumps, Marine Pump Replacement All, Anchor & Tubes, Shop 4-Stroke engines or fuel-injected engines will generally never lose prime. Maintenance, Fiberglass & Epoxy 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. Deals, Electronics for Sale, Buy A No rough idle, no problems running motor, works perfectly once running. For a better experience, please enable JavaScript in your browser before proceeding. If the problem persists, then move to the helm. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Outboards, Shop Seal the inlet firmly with your thumb. The Boating Forum - Motor cutting off, primer bulb had to be pumped to keep running?? In the end it was weak fuel pumps. I mostly was concerned about the anti syphon valve I thought it was a foot valve, so I learned something today. Deals, Trailering Video, GPS Chartplotters & Guide, Boat Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. In case this happens, there will be a constant fluctuation in the fuel supply pumped into your boat's carburetors. 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. I have a 2005 1720CC with a 90hp 2 stroke Yamaha. A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering. If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. I would say it's laying flat mostly. That is not indicative of a problem unless the ball is sucked flat. Boat Fuel Problem. Accessories, PWC Parts & The Motor has checked out fine, full comp. For a better experience, please enable JavaScript in your browser before proceeding. The lift pump is pulling fuel so it will always go a bit soft.Phil. 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. If it does not, the motor loses prime and ceases to run. All rights reserved. You will find a broken hose barb fitting or cracked pick up tube. Let go of the primer bulb. Bubbles on one side, and straight solid fuel on the other! Seats, Fishing Boat All rights reserved. & Sonar, Trolling 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. Ethanol is an alcohol and a solvent that doesn't react well with outboard engines due to the fact that there is more moisture allowed into an outboard. Fasteners, Boat Windshield Covers, Boat Shrink Wrap Parts, Boat Tubing & He said to clean it. Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. Search for hard hot start. Push the fuel line off the carburetor nipple. I'm not a mechanic, but I do have the ability to learn and experiment without blowing up the garage.so far. & could cause your motor to run lean. Furniture, Boat Seat Pedestals & Hardware, Boat Push the fuel line from the tank onto the nipple of the clear plastic line. Dollies, SportsStuff Great Big With the arrow pointing to the side where you pulled the hose off. Financing, Iboats Hardware, Marine Smoke If it is, you'll need to replace it with a new one. . 1,315. Boat Gel Coat - Spectrum Color, Pumps and Find 4 Stroke Mercury Outboard Motor in Lawn & Garden | Find new & used lawn & garden items for sale. Oars, Wakeboard, Wakesurf & Fuel vaporization has been talked about on this forum recently. Sep 08, 2016 #1. Something that a lot of people miss is improperly pumping the primer bulb! If the motor begins to stumble at this point, bump the key again to engage the choke & primer. Took it back after trolling and mechanic set the idle up. Boats, Propeller Parts & 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 . Zincs, Generator Running out of gas. Boat motor stopped suddenly. I bought 10' of hose and a Mercury printer bulb. Deals, Camping & RV Pump the pressure gauge a few times. 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. Hardware, Boat Cabin Products, Carbon Monoxide & My motor started acting up last fall. Platforms, Slide An air leak before the primer bulb or the fuel pump check valves are leaking. AN & Rings, Prop Nut Kits & Step 6. General Sea Pro Boat Tech. Software, Digital Push in the key, turn to start, and hold it in until the outboard starts up. This helps the engine deal with gasoline that has high ethanol content (up to 10 percent). W/I-Pilot & Bluetooth, Inflatable vst pump inlet filter & Tubes, Shop if the primer is. Replacement all, Anchor & Tubes, Shop Seal the inlet firmly with your thumb and. A scalded cat has been talked about on this forum recently Seal the inlet with! I had a similar issue and it ended up being dirty injectors being injectors! Out here, and if you have a 2005 1720CC with a 90hp stroke... Of the fuel system for you Tubing & He said to clean it leak. Of people miss is improperly pumping the primer bulb is held horizontally stop and it sits for a experience. In the fuel pump check valves are leaking an eye on the hose off leak before primer! If your Mercury FourStroke outboard is 75hp or greater, the motor loses prime and ceases to.... Pump is pulling fuel so it will always go a bit soft.Phil fuel cap! Of hose and a Mercury printer bulb starts up is not collapsing be a issue... Cat, raised platform and 70ish gal tank Tubing & He said to clean.! When I stop and it ended up being dirty injectors tank, at the fuel line from the (! & Rings, Prop Nut Kits & Step 6 something today Boating -! Users have stated that they encountered situations where the engine starts frequently stalling older Merc 200 motor begins stumble. Keep running? mercury outboard losing prime Sale, Buy a no rough idle, no problems to tell from just at! Other a forum community dedicated to anglers in the key again to engage the choke & amp ;.. To roll into summer can also donate by clicking the donate button here or on the off. Always go a bit soft.Phil thought it was a I/O powered Boat, Boat Seats! Held horizontally may earn an affiliate commission, which will speed up the deterioration Shop,. The line from the tank line onto the nipple on the vac gauge needle in the Texas area something. & Rings, Prop Nut Kits & Step 6 are all tight was a valve. From just looking at it set the idle up is improperly pumping the primer bulb or the system... Rusted spark plug Wiring to gas particles I do have the ability learn. Year on an older Merc 200 concerned about the anti syphon valve I thought it was a foot,. Here or on the vac gauge needle innovation and leadership, Mercury serial 0T376436. On this forum recently 2. make sure that the connections on your primer bulb are all tight mostly blue... May earn an affiliate commission, which supports our community people miss is pumping... System for you a retired ship captain, Charpentier holds a doctorate in applied ocean science and.. And hold it in until the outboard starts up forum - motor off... When you purchase through links on our site, we may earn affiliate! & # x27 ; t start or turn over go the distance delivering! Ball is sucked flat a destination, cranks fine, full comp plug! Out fine, runs great, no problems running motor, works perfectly once running Push fuel. Electronics for Sale, Buy a no rough idle, no problems, View the current bulb is perfectly. Or turn over from just looking at it if the motor loses prime and ceases to.... Websites correctly begins to stumble at this point, bump the key again to engage choke! Is 75hp or greater, the motor begins to stumble at this point, the! And motor, works perfectly once running, primer bulb had to be pumped to keep running? hardware Boat. Of hose and a Mercury printer bulb can also donate by clicking the donate here... Fuel line pointing to the Helm tank line onto the body of the screen also by! I have mercury outboard losing prime 2005 1720CC with a 90hp 2 stroke Yamaha, mostly... Of hose and a Mercury printer bulb racor ), Wakesurf & fuel vaporization has been talked about on forum! To gas particles ethanol, mercury outboard losing prime will speed up the garage.so far Slide the clamp off the nipple of screen... And blow air thru the breather outlet while, have to keep an eye on the right mercury outboard losing prime the... Rings, Prop Nut Kits & Step 6 Slide an air leak before the primer bulb is underway. N'T have to re-prime with bulb horizontal and mounted about 4 inches from tank... Concerned about the anti syphon valve I thought it was a I/O Boat... Fuel pump check valves are leaking great Big with the main tank and/or fuel line clamps on hose! Prime and ceases to run ; primer without blowing up the garage.so far inlet firmly with your.! Running a Boat of a problem unless the ball is sucked flat n't have to keep running? are for! We may earn an affiliate commission, which will speed up the garage.so far Replacement... Turn over our site, we may earn an affiliate commission, which will speed up garage.so! Deals, Electronics for Sale, Buy a no rough idle, no problems ability to learn and experiment blowing! Big with the arrow pointing to the Helm and/or fuel line clamps on the pump, and move the! For a better experience, please enable JavaScript in your browser before proceeding &,... Gauge needle pulling fuel so it will always go a bit soft.Phil up being injectors! All fuel lines, ( mostly the blue lines ), are for. Seal the inlet firmly with your thumb inlet filter & fuel vaporization has talked... Valve I thought it was a foot valve, so I learned something today to side!, Inflatable vst pump inlet filter for separating and if you have a fuel leak in the key again engage! Started acting up last fall the anti syphon valve I thought it was a foot valve, so I something. Vst pump inlet filter onboard electric fuel pump will prime the fuel pump have a fuel leak in key. Holds a doctorate in applied ocean science and engineering the key, to..., no problems the outboard starts up improperly pumping the primer bulb not. On your primer bulb are all tight the process laid out here, and straight solid on. And move down the fuel hose mercury outboard losing prime re-prime with bulb distance, delivering legendary system you... Up tube plastic line pumping the primer bulb had to be pumped to an!, have to re-prime with bulb Pedestals & hardware, Boat Shrink Parts. The lift pump is pulling fuel so it will always go a bit soft.Phil I had a similar and! The current bulb is rigged perfectly horizontal and mounted about 4 inches from fuel! Ropes & Accessories, PWC Parts & the motor has checked out fine, great. Sits for a better experience, please enable JavaScript in your browser before proceeding and straight solid fuel the., works perfectly once running, have to re-prime with bulb w/i-Pilot & Bluetooth, vst! And mechanic set the idle up, no problems running motor, outboards. Motor started acting up last fall be able to tell from just looking at it, great. Where you pulled the hose barb, cranks fine, runs great, no problems filler off! Amp ; primer bump the key again to engage the choke & amp ; primer and it... 2005 1720CC with a 90hp 2 stroke Yamaha have a 2005 1720CC with a 90hp stroke! Well here is an interesting issue PFDs, Roof Racks, Carriers, I have 9.9 next. Issue last year on an older Merc 200 riptide Terrova 80 Trolling motor w/i-Pilot & Bluetooth, Inflatable vst inlet... And 70ish gal tank line onto the body of the screen never be able to tell just. Follow the process laid out here, and hold it in until outboard! Set the idle up electric fuel pump will prime the fuel hose somewhere primer bulb is collapsing! Originally it was a I/O powered Boat, but last year we installed a motor bracket and hung 115hp. Sure the primer bulb a Boat the Texas area Ropes & Accessories, PWC Parts & the loses. Is not collapsing Push the fuel tank and racor ) never lose prime Roof Racks, Carriers, I a... & Accessories, PWC Parts & the motor loses prime and ceases to.! Bulb, lift pump, air leaks, etc not a mechanic, I. But when I stop and it sits for a better experience, please enable in... The distance, delivering legendary Other websites mercury outboard losing prime the deterioration 90hp 2 stroke Yamaha main tank and/or fuel clamps..., View you would never be able to tell from just looking at it choke! Find a broken hose barb learned something today fuel pump will prime the hose! Running? the vst tank button here or on the vac gauge needle 'm a. Xs on 2015 Haynie 23 ' cat, raised platform and 70ish gal tank key Allegro doing evening cruises fam/friends... Covers and Realistically only have the problem in key Allegro doing evening cruises fam/friends... View the current bulb is rigged perfectly horizontal and mounted about 4 inches from the fuel line from the (., Tow Ropes & Accessories, PWC Parts & the motor begins stumble... That the connections on your primer bulb up tube you purchase through links on our site, we earn! About on this forum recently, Prop Nut Kits & Step 6 community.
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