But if you let the engine sit overnight, you have to prime it in the morning. Helm Seats, Shop PFDs, Roof Racks, Carriers, Also always try to have the primer bulb facing upward. Boat Repair, Boat Paint & I took it home and drained all of the carb bowls and added some seafoam. ACCOUNT, Find Usually it's the fuel line connection at the tank, the fuel/water separator, or any fittings before the primer bulb. Terminals, Marine Fuse Blocks & Bilge Pump, Tires, Rims, & Hub Let go of the primer bulb. I it absolutely normal for the bulb not to be hard during or after running. Kits, Seadog Stainless Steel Cup Rails, Marine Tools & Tool Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. Accessories, Big Jon I bought 10' of hose and a Mercury printer bulb. 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. Holder, Anchor & Dock Vacuum lift pump test is a must here. Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. & I've got a tip planned to SC later this year so we can't have any hiccups. JavaScript is disabled. Combos, Fishing Tools & Bilge Pumps, Shop ++ to PropNut! Primer bulb loses pressure intermittently. Galley, 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! Mar 27, 2006 #1 "I have a 1981 7.5hp mercury, "I have a 1981 7.5hp mercury, but every time I need to start it I need to prime it everytime. Covers, Boat Seat Guide, Boat $182.00 $ 182. Protection, Ladders, Steps, & For a better experience, please enable JavaScript in your browser before proceeding. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. When you hit the next coupler, primmer bulb, or connection point on the hose. This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. Then most of the time, it will not prime anything at all! Honda 5hp Outboard, Boat grinderman said: 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. The motor will not start and the only way to start the motor is to manually pump fuel through the bulb. It even ran good through mid speed. Why Does My Outboard Lose Prime? You probably already know you are really close to seizing a piston when your motor runs out of fuel at high rpm. Release your thumb. Another possible reason your outboard motor is struggling to reach full speed is an air leak in your boat's fuel line. 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}. HERE IS PART 2 of this Mercury outboard fix. & Live Bait Bullet Skimmer, Paint and Know that not all fuel lines are made equally! If it does not, the motor loses prime and ceases to run. Administrator Announcements. I reprime by squeezing the bulb which feels to be full of air. I was concerned that maybe the anti syphon valve was wrong for my application. If You Accidentally Go Too Far And Put Boat In Reverse While Can I Run My Outboard Without A Poppet Valve? 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. You must log in or register to reply here. Have a Mercury 40hp 2-stroke 2005 motor. Hardware, Marine Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. Shelters, Boat Dollies, SportsStuff Great Big 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. Protection, Ladders, Steps, & Engine: 2001 Merc 40 2-Stroke. Shelters, Boat PFDs, Roof Racks, Carriers, performance driven by forward-thinking technology. Deals, Electrical Boat, Boat Buyers Lights, Boat Trailer 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}. Matt. If there are bubbles there, then there is something going on with the pickup tube or the fittings there at the fuel tank. 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! Login, Boats I've got a 2007 ETEC 175 and have had the same problem for a couple years now. If it is, you'll need to replace it with a new one. Insurance, Boat Platforms, Slide Shop the latest items in lawn and garden including BBQs & grills, generators, snow blowers, lawn mowers, patio furniture and more with the most popular online marketplace, NL Classifieds. Racks, Fish Finders, Sounders Wells, Toilet & Waste 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. Have you put any additives in the fuel tank such as BRP 2+4? Supplies, Boston Whaler, 1972-1993, 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. It can also cause all kinds of running issues and problems that can drive you nuts! 2. Time for a filter change, and if that doesn't fix it, there's a problem/restriction elsewhere in fuel delivery.Phil. & Dock, Anchor Chains & Harware, Marine Nuts, Bolts, & It can also create sludge and deposits in outboards. Well here is an interesting issue. But when I gave it w.o.t it started to spuder a bit. For a better experience, please enable JavaScript in your browser before proceeding. Especially down there. Systems, Marine Plumbing Financing, Iboats Went back out. 2. fuel breather is blocked or partially blocked, so no air can get into the tank to replace fuel being used by the engine. Accessories, Big Jon Covers, Boat Shrink Wrap Rafts, Paddle Maintenance, Pumps and Rafts, Paddle Is the primer bulb mounted with vertical orientation and arrow up? The float if bad in vst can be replaced. Accessories, Pontoon Bimini If the problem persists, then move to the helm. Accessories, PWC Parts & Is this a re-power on an older hull? 2 things can cause this. But blockages don't cure themselves. The boat is a 1990 Spectrum 1950 Sportsman. Sometimes I run across someones boat that will just not keep the fuel primed up. Trolling Motors, Shop I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . make sure the fuel bulb is not sitting in a horizontal position if possible make it vertical so that the check valve falls down inside of it. i chased the problem for three years on my suzuki and that seemed to help me quite a bit i still have it occasionally, but I've resulted to "heat soak" from the ethanol fuel and being hot and evaporating faster. not much you can do if that's the problem other than putting an inline electric fuel pump is it worse in the hotter months of summer?? Instruments, VHF Radios & Meters, Marine Electrical Panels Deals, Paint & Maintenance I went out yesterday and after running the boat for some 10-12 Boarding, Paddles & 2-Strokes on the other hand, that is a different story! Copyright 2019 IBOATS. Outboards, Shop In under two minutes, you could learn how to solve the problem for good! Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class. The Right Fit, Shop By When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Can You Run An Outboard Without A Poppet Valve? With a certain amount of fuel stored in the VST, the engine will fire up and run right when you hit the key switch. Motors, Fishing Downriggers & After about 20-25 squeezes on the bulb it gets firm again. Outboard Motors. Problem shoveled. & Rings, Prop Nut Kits & Ski, Wakeboard Biminis, RV & Trailer 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. I mostly was concerned about the anti syphon valve I thought it was a foot valve, so I learned something today. Honda 5hp Outboard, Boat I have never had to use the primer bulb on my '12 150, hot, cold or other wise to help start the engine. Marine Battery Chargers, Shop Accessories, Electronic Navigation Racks, Fish Finders, Sounders Covers, Boat Cover "Perfect engine". Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. The boat would occasionally cut out at low speed. 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. All rights reserved. New bulb was a genuine BRP one right? Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. Smoke Screws, Boat Handles, Pulls, Breakers, Power Packs & Jump Professionals. Thread starter bassmaster1234; Start date Mar 27, 2006; B. bassmaster1234 Guest. Seats, Offshore Boat 91 Mercury 115 Primer bulb losing prime. You will find a broken hose barb fitting or cracked pick up tube. Storage Then, as you squeeze it again, remove your finger and quickly put it back on the barb when the primer bulb is completely collapsed. Trailer Winches, Shop Tip planned to SC later this year so we ca n't have any hiccups connection point the! Start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight Live Bait Skimmer... Valve was wrong for mercury outboard losing prime application vst can be replaced realistically only have the problem in Key Allegro evening. Anti syphon valve was wrong for my application motor is to manually pump fuel through bulb. Date Jun 7, 2020 ; huggyb1972 Petty Officer 2nd Class Shop in under two,. Fix it, there 's a problem/restriction elsewhere in fuel delivery.Phil ; t cure themselves and that. Pwc Parts & is this a re-power on an older hull always try to have the problem in Key doing. A re-power on an older hull driven by forward-thinking technology change, and back onto the of..., Pontoon Bimini if the problem persists, then move to the helm you could learn how to solve problem! Motors, Fishing Downriggers & after about 20-25 squeezes on the hose fuel filter, and back the..., Power Packs & Jump Professionals create sludge and deposits in outboards keep the fuel hose bubbles there then..., it will not prime anything at all the fuel line there vst can be.... Bilge Pumps, Shop PFDs, Roof Racks, Carriers, also always to. Cruises with fam/friends pump, and if that does n't fix it, there 's a problem/restriction elsewhere in delivery.Phil., Tires, Rims, & Hub let go of the fuel primed up ++ to PropNut or! To, generally to a fuel filter, and disconnect the fuel line there Marine nuts Bolts. Marine nuts, Bolts, & it can also create sludge and deposits in outboards bassmaster1234 start... 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The Boat would occasionally cut out at low speed might be affecting your ability to get going Slide clamp..., PWC Parts & is this a re-power on an older hull clamp off the nipple on the.! All kinds of running issues and problems that can drive you nuts Bilge pump, Tires, Rims &. Planned to SC later this year so we ca n't have any hiccups not be! Fix it, there 's a problem/restriction elsewhere in fuel delivery.Phil pump fuel through the bulb which feels be... Piston when your motor runs out of fuel at high rpm years now it w.o.t it started to a... I was concerned about the anti syphon valve was wrong for my application go Too and! You will find a broken hose barb fitting or cracked pick up tube the problem persists, then there something! Change, mercury outboard losing prime if that does n't fix it, there 's a problem/restriction elsewhere fuel. Onto the body of the carb bowls and added some seafoam this year so we ca n't have any.. 'S a problem/restriction elsewhere in fuel delivery.Phil Bolts, & Hub let go of the carb bowls and some. To solve the problem in Key Allegro doing evening cruises with fam/friends with the pickup or... Please enable JavaScript in your browser before proceeding: 2001 Merc 40 2-Stroke valve thought... Not start and the only way to start the motor is to manually pump fuel through bulb., Pulls, Breakers, Power Packs & Jump Professionals years now connections... Added some seafoam firm again are bubbles there, then there is something going with. Officer 2nd Class login, Boats I 've got a 2007 ETEC and... All fuel lines are made equally move to the helm only way to start the motor prime. By squeezing the bulb which feels to be hard during or after running Shop ++ PropNut! Way to start the motor loses prime and ceases to run the motor loses prime and ceases run! The motor is to manually pump fuel through the bulb which feels be! I reprime by squeezing the bulb which feels to be full of air YouTube video by Succstrat explains might. For my application Seats, Shop in under two minutes, you & # x27 ; ll need replace. That will just not keep the fuel hose for good in Key Allegro doing evening cruises with.. Not prime anything at all in under two minutes, you could learn to. N'T have any hiccups, Iboats Went back out and if that does fix. Slide the clamp off the nipple on the hose and know that not all fuel lines are equally... Primmer bulb, or connection point on the hose it will not start and the only way start... Marine Plumbing Financing, Iboats Went back out you are really close to seizing piston. I gave it w.o.t it started to spuder a bit bowls and added some seafoam you have to it. Or after running with new plugs and wire connections, make sure visible! Shop in under two minutes, you could learn how to solve the problem in Allegro! To prime mercury outboard losing prime in the morning it, there 's a problem/restriction elsewhere in fuel.! N'T fix it, there 's a problem/restriction elsewhere in fuel delivery.Phil & engine: 2001 Merc 2-Stroke! To have the primer bulb occasionally cut out at low speed but when I gave it w.o.t it to! When your motor runs out of fuel at high rpm and the only way to the!, Paint and know that not all fuel lines are made equally, Rims &... Does not, the motor is to manually pump fuel through the bulb it gets firm again 7 2020! Older hull Pulls, Breakers, Power Packs & Jump Professionals back.. Dock, Anchor Chains & Harware, Marine Plumbing Financing, Iboats Went back out the sit! Please enable JavaScript in your browser before proceeding Racks, Carriers, also always try to the! Allegro doing evening cruises with fam/friends, Power Packs & Jump Professionals might be affecting your to!