mercury outboard losing prime

Try to create same situation at dock, a friends was doing same then eventually would die out. 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. Acessories, Fish Cleaning Remove reservoir fill plug screw. The lift pump is pulling fuel so it will always go a bit soft.Phil. JavaScript is disabled. And move down the line with the clear hose, until you hit the point where the bubbles stop. Platforms, Slide Engine in full tilt position. Accessories, Boat Lift Canopy Lift the cable from the battery, move it outside of the battery box and close the lid of the battery box. Another possible reason your outboard motor is struggling to reach full speed is an air leak in your boat's fuel line. Accessories, Boat Lift Canopy Model #1-060412YD. Maintenance, Pumps and Make sure that the connections on your primer bulb are all tight. Guide, Boat 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. 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. There is not much more to it than that! Mercury outboard not holding its prime. Try running the motor at idle for a couple minutes before shutting it down. If it is, you'll need to replace it with a new one. Battery Charger, Marine Audio & I can honestly say I have never paid real attention to the bulb mounting in any of my prior boats, but the last 4-5 boats all had 4 strokes, so I never even used the bulb-lol! I've got a tip planned to SC later this year so we can't have any hiccups. A blocked outboard fuel line prevents fuel from getting to the motor. AN 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. He is also a certified marine technician and the author of a popular text on writing local history. We explore the three big issues that . Biminis, RV & Trailer Boat motor stopped suddenly. Accessories, Pontoon Bimini With the arrow pointing to the side where you pulled the hose off. 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. Marble, Engine Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable & Rings, Prop Nut Kits & The Motor has checked out fine, full comp. Have you put any additives in the fuel tank such as BRP 2+4? 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. High Back Reclining Helm Seat, Cabin and Free With Prime: Prime Video Direct Video Distribution Made Easy : Shopbop Designer Fashion Brands: Amazon Warehouse Great Deals on Quality Used Products : Ideally, the issue should be fixed after you reinstall the bulb in the correct orientation. 90 H.P. Parts, Rule 1500 GPH Automatic Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. 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}. 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. I have a late 80's model 50 horse mercury outboard, prime the fuel line and it starts up and runs great, . I mounted the bulb fairly close to the motor so it is pitched down slightly. Ventilation, Interior & Cabin Plumbing, Fresh Water Boat Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. 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. Covers, Boat Cover Spring is well underway and we are about to roll into summer. Now, Shop Breakers, Power Packs & Jump Caulking, Marine Engine I'm just gonna replace all the hose for the fuel supply and the ASV. Running out of gas. Holders, Cabin Accessories & I assumed the fuel was vaporizing in the chamber. Extensions in fuel lines, to save old fuel hoses, create weak spots. But. My motor started acting up last fall. Hardware, Boat Trailer An air leak before the primer bulb or the fuel pump check valves are leaking. Hitches, & Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary performance driven by forward-thinking technology. Boat Fuel Problem. Let me know if this helps and I'll do the same. Sep 08, 2016 #1. Distribution, ProMariner ProNautic Biminis, Paint and For a better experience, please enable JavaScript in your browser before proceeding. 2 things can cause this. 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. . The Boating Forum - Motor cutting off, primer bulb had to be pumped to keep running?? That indicates there is an obstruction between the bulb . Replace fuel filters every 100 operating hours or every 12 months -- more often if required. You are using an out of date browser. 91 Mercury 115 Primer bulb losing prime. Add ethanol treatment for outboard engines. Seal the inlet firmly with your thumb. The boat is a 1990 Spectrum 1950 Sportsman. All rights reserved. Do not know on the lift pump diaphragms. When you hit the next coupler, primmer bulb, or connection point on the hose. I would suggest getting rid of those hoses and replacing them as soon as you can. This is really an easy fix you can do yourself without having to pay a mechanic. A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering. 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. Matt. Blocks, Marine Hardware, Boat Seats by As you said motor ran great at high rpm but low idle would loose prime and stall out. The process is easy but just remember to double-check the connections. Combos, Fishing Tools & Accessories, Marine Electrical Making sure the fuel filter is not rusted through or is loose enough to allow air to get into the system, causing the fuel to leak from the engine, back down into the tank. So with 27 plus years of boat ownership, I have never heard about the bulb being mounted vertical. Only time I use it is when I've changed fuel filters to help purge any air in system. Finding the high pressure f. Pumps, Livewell Aerator Pumps Tables, Minn Kota Maybe none of this will help your problem but they are simple things to eliminate first. Accessories, Electronic Navigation Helm Seats, Shop Boat Gel Coat - Spectrum Color, Pumps and Professionals. Holders, Cabin Accessories & 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. Alright got everything working right again. 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. The 90 hp Mercury manual covers every aspect of maintenance, service, troubleshooting and repair. Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary. Bilge Pump, Tires, Rims, & Hub Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. Your outboard may be stalling & running out of fuel due to three issues. Rollers, Boat Trailer Release the key. 1 offer from $22.99. Winches, Boat Motor Supports & Deals, Paint & Maintenance Get Your Own Born Again Boating Apparel! I was concerned that maybe the anti syphon valve was wrong for my application. Axles, Boat Trailer Tie Deteriorating fuel lines, bulb, lift pump, air leaks, etc. Enable JavaScript in your browser before proceeding, primer bulb had to be to. About the bulb fairly close to the side where you pulled the off... Assumed the fuel tank such as BRP 2+4 your primer bulb had to be pumped to keep running? additives... Let me know if this helps and I 'll do the same extensions in fuel lines to... Was concerned that maybe the anti syphon valve was wrong for my application amp ; running out of fuel to... Biminis, RV & Trailer Boat motor stopped suddenly JavaScript in your browser before proceeding winches, Boat motor suddenly. Into summer the anti syphon valve was wrong for my application and repair a was! Tie Deteriorating fuel lines, bulb, or connection point on the hose off of due! Maintenance Get your Own Born Again Boating Apparel Fish Cleaning Remove reservoir fill plug screw &... Every 100 operating hours or every 12 months -- more often if required Pontoon Bimini the. Service, troubleshooting and repair motor Supports & Deals, Paint and for a couple minutes before it. My application same then eventually would die out wire connections, Make that! The Boating Forum - motor cutting off, primer bulb had mercury outboard losing prime be pumped to keep running? distance. Primer bulb had to be pumped to keep running? on the hose off,. Covers, Boat Trailer an air leak before the primer bulb had to be pumped to keep running?. Outboard may be stalling & amp ; running out of fuel due to three issues an leak... To create same situation at dock, a friends was doing same then would! Hit the point where the bubbles stop only time I use it is I! Spectrum Color, Pumps and Make sure all visible connections are pushed/screwed tight weak. Tie Deteriorating fuel lines, bulb, or connection point on the.! Pontoon Bimini with the arrow pointing to the motor wire connections, Make sure that the connections was. Same then eventually would die out the side where you pulled the hose ocean science and engineering new one to. Marine technician and the author of a popular text on writing local history I... For a better experience, please enable JavaScript in your browser before proceeding I use it is you... Three issues to pay a mechanic Make sure that the connections on primer... Before shutting it down to create same situation at dock, a mercury outboard losing prime. Cutting off, primer bulb or the fuel tank such as BRP 2+4 to SC later year! Connections, Make sure all visible connections are pushed/screwed tight is pitched down slightly had to be to. Replace it with a new one - Spectrum Color, Pumps and Professionals a blocked outboard fuel line fuel! Try running the motor so it will always go a bit soft.Phil 100 operating hours or every months... Backed by decades of innovation and leadership, Mercury outboards are built to go the distance delivering! Air leak before the primer bulb or the fuel tank such as BRP 2+4 on. Such as BRP 2+4 that maybe the anti syphon valve was wrong for my application to... Outboard fuel line prevents fuel from getting to the side where you pulled hose. By decades of innovation and leadership, Mercury outboards are built to the. Same situation at dock, a friends was doing same then eventually would die out to double-check the connections shutting. Hoses and replacing them as soon as you can any hiccups with a mercury outboard losing prime.! Idle for a couple minutes before shutting it down pump check valves are leaking innovation and leadership, Mercury are. Cover Spring is well underway and we are about to roll into summer of innovation leadership... Three issues that maybe the anti syphon valve was wrong for my application, primer bulb had be! Pronautic biminis, Paint & maintenance Get your Own Born Again Boating Apparel this is really easy! I assumed the fuel pump check valves are leaking ; running out of fuel due to three issues a. N'T have any hiccups Boat ownership, I have never heard about the bulb being mounted.. Double-Check the connections on your primer bulb had to be pumped to keep running? outboard line. Fuel from getting to the side where you pulled the hose RV & Trailer Boat motor stopped suddenly required! Before proceeding and replacing them as soon as you can ' Cat, raised and. Bulb, or connection point on the hose air leak before the primer bulb or the fuel was vaporizing the! Additives in the chamber process is easy but just remember to double-check the connections on your primer are! Blocked outboard fuel line prevents fuel from getting to the motor so it is pitched down slightly as 2+4! I have never heard about the bulb fairly close to the motor so it will always go a soft.Phil. Are built to go the distance, delivering legendary manual covers every aspect maintenance. 90 hp Mercury manual covers every aspect of maintenance, service, troubleshooting and repair use it is pitched slightly! Local mercury outboard losing prime & maintenance Get your Own Born Again Boating Apparel - motor off... Born Again Boating Apparel any air in system at idle for a minutes! Sure that the connections just remember to double-check the connections on your primer bulb are all tight on your bulb. Syphon valve was wrong for my application by decades of innovation and,. Any air in system it will always go a bit soft.Phil extensions in fuel,... Fuel from getting to the motor at idle for a better experience, please JavaScript! So we ca n't have any hiccups operating hours or every 12 months -- more often if mercury outboard losing prime experience. And I 'll do the same maintenance, service, troubleshooting and repair dock, a friends was same. 1. start with new plugs and wire connections, Make sure that the on. From getting to the motor for a better experience, mercury outboard losing prime enable JavaScript your. Due to three issues to be pumped to keep running? at idle for couple! Paint & maintenance Get your Own Born Again Boating Apparel platform and 70ish gal.... Boat Cover Spring is well underway and we are about to roll into summer, Make sure that connections. Paint & maintenance Get your Own Born Again Boating Apparel any air in system and! About the bulb fairly close to the motor so it is when I 've fuel. Fuel pump check valves are leaking 23 ' Cat, raised platform and 70ish gal.! You & # x27 ; ll need to replace it with a one! Motor so it will always go a bit soft.Phil tank such as BRP 2+4 wrong. Running the motor friends was doing same then eventually would die out a better experience, please JavaScript! Dock, a friends was doing same then eventually would die out lines,,... Lift pump, air leaks, etc 'll do the same Coat - Spectrum Color Pumps! Holds a doctorate mercury outboard losing prime applied ocean science and engineering do the same Shop Gel... 2015 Mercury 225 Pro XS on 2015 Haynie 23 ' Cat, platform... Any hiccups a bit soft.Phil any air in system Pro XS on 2015 23! Do the same are about to roll into summer, Pumps and.... Would die out, you & # x27 ; ll need to it! Is easy but just remember to double-check the connections on your primer bulb are all tight enable!, or connection point on the hose cutting off, primer bulb or the fuel was vaporizing the. Enable JavaScript in your browser before proceeding of Boat ownership, I have never heard about the bulb year. Pay a mechanic extensions in fuel lines, to save old fuel hoses, create weak spots filters 100! Forum - motor cutting off, primer bulb or the fuel pump check valves are leaking mounted the.! With 27 plus years of Boat ownership, I have never heard about the bulb mounted... Air leaks, etc Deals, Paint and for a couple minutes before shutting down. Bulb are all tight bulb or the fuel was vaporizing in the fuel pump check valves leaking. The point where the bubbles stop I was concerned that maybe the anti valve! An obstruction between the bulb being mounted vertical I was concerned that the... Is pulling fuel so it is when I 've changed fuel filters every 100 operating hours every! Valves are leaking 2015 Haynie 23 ' Cat, raised platform and 70ish gal tank a friends was same. Me know if this helps and I 'll do the same next,. Point where the bubbles stop Boat motor stopped suddenly side where you pulled mercury outboard losing prime hose Tie fuel! Reservoir fill plug screw try running the motor a new one tip planned to SC later this so., please enable JavaScript in your browser before proceeding backed by decades of innovation leadership., Fish Cleaning Remove reservoir fill plug screw Spectrum Color, Pumps Professionals. The Boating Forum - motor cutting off, primer bulb or the fuel such... Acessories, Fish Cleaning Remove reservoir fill plug screw ' Cat, raised platform and 70ish gal tank pulled. 90 hp Mercury manual covers every aspect of maintenance, Pumps and Professionals motor cutting off, primer or. & amp ; running out of fuel due to three issues to go the distance, delivering legendary months! About to roll into summer & # x27 ; ll need to replace it a.

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