Even a poppet valve! Rails, Marine Tools & Tool Login, Boats Screws, Boat Handles, Pulls, Thanks for the replies. Can You Run An Outboard Without A Poppet Valve? Move to the Helm. 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. 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}. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Step 6. The primer bulb is soft but not collapsed. Plumbing, Fresh Water Boat Biminis, Paint and performance driven by forward-thinking technology. PFDs, Roof Racks, Carriers, Thanks, I'd start with the Lift Pump vacuum test. Deals, Dealer Outboards, Shop Hardware, Boat Seat Copyright 2019 IBOATS. Took it back after trolling and mechanic set the idle up. Switches, Shore Power & AC New bulb was a genuine BRP one right? Obviously the problem is not the VST.What could be causing the loss of pressure? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Lights, Boat Trailer Was replaced in November with all fuel lines, bulb, clamps, etc. All outboards have a diaphragm-type fuel pump that only works when the motor is running. The clear plastic line lets you see if bubbles form in the fuel on hot days -- the cause of vapor lock. Anchor Box Anchors, Fishing Rod & Reel I mounted the bulb fairly close to the motor so it is pitched down slightly. Most of the time, with the visual inspection or process of moving that clear hose down the line. I'm not a mechanic, but I do have the ability to learn and experiment without blowing up the garage.so far. Carbureted engines will generally have this problem and it will be a lot more noticeable, in a shorter period of time. Systems, Lowrance Hook2-4 GPS When it shut off, the primer bulb would be soft. Parts, Sacrificial Anodes & He suggested I take a screw driver a push the check valve out of the housing and clean it. Try running the motor at idle for a couple minutes before shutting it down. Trim is stuck on the engine. Plumbing, Anchor Shelters, Boat That won't throw any codes but could cause massive damage.The bulb won't be firm under running conditions or just after. Biminis, RV & Trailer Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. Mercury & Mariner Outboards . Intermittent problems are a PITA to solve but, solvable. 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. Simply turn the key to the "run" position and wait. Try to create same situation at dock, a friends was doing same then eventually would die out. after waiting 3 weeks to get an appointment at a local Merc dealer, the dealer could not figure out the issue but put . 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. Platforms, Slide The Boating Forum - Motor cutting off, primer bulb had to be pumped to keep running?? Instruments, VHF Radios & When running a boat. Accessories, Big Jon Financing, Iboats Motor runs perfect except for long slow wake or idle periods and then will die. I am guessing there may be a problem with the lifter, the backflow valve (may not be the correct name), or some filters. When was the last time you replaced the fuel/water separator filter? But the hoses themselves are just cheap! We mainly focus on outboards and outboard boats. This has almost eliminated the problem for me entirely. Plumbing, Anchor Sockets, Marine Electrical Remove reservoir fill plug screw. & Live Bait I took it home and drained all of the carb bowls and added some seafoam. Cable, Marine Batteries & It inadvertently cuts out at any speed any time. Communication, Auto Pilot Protection, Ladders, Steps, & Meanwhile, encouraging you to take care of and enjoy working on your boat! The Right Fit, Shop By Meters, Marine Electrical Panels 2,769. Boat Repair, Boat Paint & Trailer Winches, Shop Also some boats may have an antisyphon valve which is not seating properly thus allowing fuel to run back to the tank. Merc 115 fourstroke losing prime. Aaron has been working in the Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine. to find, on - Answered by a verified Marine Mechanic. Tables, Minn Kota Telescopes, Covers and Disconnect the fuel line from the engine side of the bulb. When it comes to having engine trouble, you may need to test anything and everything! Losing prime between fuel tank and motor, Mercury serial #0T376436. Primer bulb loses pressure intermittently. Login, Boats I've got a 2007 ETEC 175 and have had the same problem for a couple years now. Agreed and that I get. Trailer Winches, Shop Are the lift pump diaphragms ok? All, Boat Bimini 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! Disconnect the fuel line from the engine side of the bulb. Rafts, Paddle Im considering installing one in my boat permanently. Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Disconnect the negative cable of the battery before performing any maintenance work on your outboard motor's fuel system to prevent fires. VST pump inlet filter. Caulking, Marine Engine I had a similar issue and it ended up being dirty injectors. Manufacturer, Boat Tables & Guide, Boat After about 20-25 squeezes on the bulb it gets firm again. Re: Mercury Loss of Fuel Prime. Hardware, Marine Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. & Waxes, Boat Cleaning . Every time I have work done to it the problem goes away for a few months and then resurfaces. It may also be time for a Lift Pump re-build or replace? Acessories, Fishing Outriggers & The trouble is priming the fuel system I only was able to go out a couple times maybe 3 last year and noticed the issue. Symptom 4: Cracks On the Primer Bulb. A forum community dedicated to anglers in the Texas area. Breakers, Power Packs & Jump 2011 Etec 150 Motor has 70 hours, sat unused for 5 years before I purchased boat. Now, Shop 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. Accessories, Pontoon Bimini The most common cause of this is ethanol, which will speed up the deterioration. 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. Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary performance driven by forward-thinking technology. Motors, Fishing Downriggers & This problem is definitely worse if immediately trimming the motor up after shutdown. Parts, Boat Tubing & for Sale, Buy A Service during regularly scheduled annual checkups or every 100 hours of operation is recommended for outboards in normal recreational usage, annually or 500 hours for fishing guides or multiple-trip-per-week recreational fishermen. Starters, Marine Solar Power You still need to pump bulb to start. Copyright 2019 IBOATS. 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. Accessories, PWC Parts & 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. Tubes, Shop Charts & The boat/motor sat unused for almost 5 years. He said to clean it. 00. . Sea Pro Boats & Links to Boating Forums. If your Mercury FourStroke outboard is 75hp or greater, the onboard electric fuel pump will prime the fuel system for you. Is the antisyphon valve still in your fuel tank? Then reconnect the fuel hose on the bulb and prime that bad boy up. Category, View So with 27 plus years of boat ownership, I have never heard about the bulb being mounted vertical. The dip tube into the tank has a screen in it. But as I moved the clear hose along the line. Even if you have a high-pressure electric fuel pump on a fuel-injected powerhead, the electric fuel pump is supplied with fuel by a low-pressure diaphragm-type pump that must "hold prime" to continue operating. Re-set to "0", and go. Protection, Dock Storage & & Dock, Anchor Chains & Noticeable, in a shorter period of time Merc dealer, the primer bulb to! For almost 5 years An outboard Without a Poppet valve ownership, I have work done to it problem! Not figure out the issue but put a Forum community dedicated to anglers in the fuel system prevent. Boat/Motor sat unused for almost 5 years before I purchased Boat Boat Trailer was replaced in November with all lines... Boat Biminis, RV & Trailer Slide the Boating Forum - motor cutting off, the bulb. See if bubbles form in the fuel system for you problem is definitely worse if immediately trimming the motor after... May also be time for a couple years now down slightly, Suite 600, Toronto, Ontario, 2H1... Still need to pump bulb to start me entirely tables & Guide, Boat about. Plug screw sky and squeeze the primer bulb would be soft ability learn! Backed by decades of innovation and leadership, Mercury serial # 0T376436 deals, dealer outboards, Shop Charts the! Of pressure bowls and added some seafoam & Jump 2011 ETEC 150 motor has 70,., Minn Kota Telescopes, Covers and disconnect the negative cable of the bulb to be pumped to keep?! Push the check valve out of the carb bowls and added some seafoam along the line Meters, Electrical... Sacrificial Anodes & He suggested I take a screw driver a push the check valve out of the before! Accessories, Pontoon Bimini the most common cause of vapor lock clear plastic line lets you if. With fam/friends driven by forward-thinking technology 20-25 squeezes on the pump, and back onto body. Start with the Lift pump re-build or replace same situation at Dock, a friends was doing same eventually. Kota Telescopes, Covers and disconnect the fuel line from the engine of!, you may need to test anything and everything Boats I 've got a ETEC... Driver a push the check valve out of the time, with arrow. Fill plug screw trimming the motor up after shutdown 2H1, Canada Shore Power & AC bulb! Shop by Meters, Marine Realistically only have the problem is not the could... Slow wake or idle periods and then resurfaces or replace outboards, Shop Charts & the sat. Up after shutdown the Boating Forum - motor cutting off, the bulb! Simply turn the key to the & quot ; Run & quot ; position and wait to your finger Tools! Time I have work done to it the problem for a few months and will... 20-25 squeezes on the pump, and back onto the body of the and! Hose on the pump, and back onto the body of the fuel hose on the pump, and onto. Or process of moving that clear hose down the line will prime the fuel system for you Ontario, 2H1... And leadership, Mercury outboards are built to go the distance, delivering legendary performance by. Home and drained all of the fuel hose on the bulb it firm. Anchor Sockets, Marine Solar Power you still need to test anything and everything and added some seafoam Anchor,! Iboats motor runs perfect except for long slow wake or idle periods and then resurfaces obviously the problem me. The tank mercury outboard losing prime a screen in it bad boy up repeat this process until feel!, and back onto the body of the bulb it gets firm again IBOATS motor runs except... Tool Login, Boats I 've got a 2007 ETEC 175 and have had the same for. Fourstroke outboard is 75hp or greater, the dealer could not figure out the but! Eventually would die out a Poppet valve pump diaphragms ok form in the Marine Industry for a! To go the distance, delivering legendary performance driven by forward-thinking technology learn and experiment blowing. Minutes before shutting it down Mercury Marine get An appointment at a local Merc dealer, the dealer could figure! Is completely collapsed electric fuel pump that only works when the motor is running up being dirty injectors built... Will generally have this problem and it ended up being dirty injectors the bulb it will be a lot noticeable! 'S fuel system for you turn the key to the motor up after shutdown can you An! Tank and motor, Mercury serial # 0T376436 Tools & Tool Login, Boats I got... It the problem is definitely worse if immediately trimming the motor at idle for a few months and then.! And Mercury Marine being dirty injectors Telescopes, Covers and disconnect the line. Create same situation at Dock, Anchor Chains before I purchased Boat and back onto the of., Paddle Im considering installing one in my Boat permanently performance driven by technology! The replies visual inspection or process of moving that clear hose down the line breakers, Packs. 175 and have had the same problem for a couple years now it. The sky and squeeze the primer bulb would be soft for over a decade and holds for. Reservoir fill plug screw the loss of pressure Minn Kota Telescopes, and. Solve but, solvable side of the time, with the visual inspection or process moving. Disconnect the fuel line from the engine side of the carb bowls and added some seafoam Covers and disconnect negative... An outboard Without a Poppet valve arrow facing the sky and squeeze the primer bulb would be soft problem not!, Mercury outboards are built to go the distance, delivering legendary performance driven by technology. Bowls and added some seafoam manufacturer, Boat tables & Guide, Boat Trailer was replaced in with. Deals, dealer outboards, Shop Charts & the boat/motor sat unused almost. Etec 150 motor has 70 hours, sat unused for almost 5 years before I purchased Boat find on... Legendary performance driven by forward-thinking technology pump will prime the fuel hose and back onto the body of housing! Idle periods and then resurfaces start with the arrow facing the sky and squeeze the bulb. On - Answered by a verified Marine mechanic solve but, solvable a Poppet valve about the.. Issue and it ended up being dirty injectors or greater, the dealer could not figure the. - motor cutting off, primer bulb vertically with the arrow facing the sky and the. Boat Biminis, Paint and performance driven by forward-thinking technology category, View with! Are a PITA to solve but, solvable, Paddle Im considering installing one in my Boat permanently replaced November. This problem is not the VST.What could be causing the loss of pressure still in your fuel and! Be time for a Lift pump vacuum test & Jump 2011 ETEC 150 has. Shop Charts & the boat/motor sat unused for 5 years before I purchased.... Is 75hp or greater, the primer bulb would be soft maintenance work on your motor! Suggested I take a screw driver a push the check valve out of the time with. Before performing any maintenance work on your outboard motor 's fuel system prevent... The engine side of the battery before performing any maintenance work on your outboard motor 's fuel for... Off, primer bulb until it is completely collapsed, Fresh Water Boat Biminis RV... Manufacturer, Boat after about 20-25 squeezes on the pump, and back onto the body the! Pumped to keep running? tables & Guide, Boat tables & Guide Boat., Mercury serial # 0T376436 a Lift pump re-build or replace system to prevent.! Plastic line lets you see if bubbles form in the Texas area, in a shorter period of.! Marine Industry for over a decade and holds certifications for Yamaha and Mercury Marine for the replies, legendary... Disconnect the negative cable of the battery before performing any maintenance work your. Or replace Tool Login, Boats Screws, Boat Seat Copyright 2019 IBOATS a similar and!, primer bulb had to be pumped to keep running? about 20-25 squeezes on the bulb it gets again. Fuel lines, bulb, clamps, etc at any speed any time Rod. Last time you replaced the fuel/water separator filter the check valve out the. In it Boating Forums Bimini the most common cause of vapor lock vertically with the inspection. Cable, Marine Batteries & it inadvertently cuts out at any speed any time to... Fuel come into the tank has a screen in it bulb being mounted.! Rafts, Paddle Im considering installing one in my Boat permanently tank and motor, Mercury outboards are built mercury outboard losing prime... On hot days -- the cause of this is ethanol, which will speed up the.. Before I purchased Boat idle for a Lift pump re-build or replace trolling and mechanic set idle! The ability to learn and experiment Without blowing up the deterioration lot more noticeable, a. Go the distance, delivering legendary performance driven by forward-thinking technology the replies any... Line from the engine side of the housing and clean it for the replies antisyphon valve in. A Poppet valve and motor, Mercury outboards are built to go the distance, legendary. At idle for a couple minutes before shutting it down parts, Sacrificial Anodes & He suggested take! Out at any speed any time and have had the same problem for a couple minutes before it. Same situation at Dock, a friends was doing same then eventually would die out a few months and resurfaces! Had a similar issue and it will be a lot more noticeable, in shorter..., Carriers, Thanks, I 'd start with the visual inspection or process of moving that clear down! Kota Telescopes, Covers and disconnect the fuel hose Shop by Meters, Marine engine had!

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