Oars, Wakeboard, Wakesurf & Took it back after trolling and mechanic set the idle up. Parts, Inflatable Time for a filter change, and if that doesn't fix it, there's a problem/restriction elsewhere in fuel delivery.Phil. Vacuum lift pump test is a must here. Put the motor in neutral and fast-idle. All, Anchor & Push in the key, turn to start, and hold it in until the outboard starts up. Biminis, RV & Trailer Outboard Motors. I would say it's laying flat mostly. Simply turn the key to the "run" position and wait. Galley, Barbeque 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. Running out of gas. ++ to PropNut! Engine won't shift into gear. Disconnect the rack or remove the cable end from the rotary gear. Now, remove the clear hose from the fuel line and reconnect it the way it should be. Deals, Dealer Visually inspect the fuel system for leaks. Helm Seats, Shop In case this happens, there will be a constant fluctuation in the fuel supply pumped into your boat's carburetors. The 90 hp Mercury manual covers every aspect of maintenance, service, troubleshooting and repair. Boat, Sell A Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. You'll hear a beep, followed by the sound of the fuel pump running. I replaced fuel lines, bulbs, Racor and the tank check valve. Yes the primer bulb is mounted vertical arrow up, and yes the antisyphon valve has been replaced. Problem shoveled. Ive even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. Hardware, Boat Let go of the primer bulb. The clear plastic line lets you see if bubbles form in the fuel on hot days -- the cause of vapor lock. Zincs, Generator Shop 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. Slide the clamp of the line from the tank line onto the clear plastic line's nipple. Could be fuel lines that have deteriorated over time of sitting so long.Backflow valve may be clogged, and running over water may make it work sometimes, others not work.I assume the VST is not the problem, since the one on the motor now is brand new.The primer bulb has been changed to a new one, so that's not the problem.I assume the filter in the VST line is new, as it is attached to the VST.So I was assuming someone here might have some suggestions of 'first place to start' or 'what sequence to check'.Everything I've mentioned above I 'learned' from watching youtube videos. Are the lift pump diaphragms ok? Fuel Line Air Leak. Hardware, Boat Trailer April 12, 2010 at 3:48 pm #863064. Video, GPS Chartplotters & In just a few seconds the pump will clear the air out of the fuel line, and you'll be ready to . Ropes, Boat Vinyl, Floating Boat ACCOUNT, Find Boat engine is overheating. 2. make sure the primer bulb is not collapsing. On the outlet side of that, there is an in line check valve. Have a Mercury 40hp 2-stroke 2005 motor. Another thing to know about primer bulbs is that if the fuel leaks to far back into the tank. Professionals. 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. Maintenance, Fiberglass & Epoxy Lighting, Marine Teak 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! Trolling Motors, Shop AN 00. . 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. Cable, Marine Batteries & Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Check hoses, clamps,screw in fittings, on board fuel filter and work toward engine lift pump. 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. 90 H.P. CREATE Matt. I reprime by squeezing the bulb which feels to be full of air. 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}. 2011 Etec 150 Motor has 70 hours, sat unused for 5 years before I purchased boat. Honda 5hp Outboard, Boat Im considering installing one in my boat permanently. Modifications and Repairs. Mercury 4 stroke giving me issues. Zincs, Generator 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. Then reconnect the fuel hose on the bulb and prime that bad boy up. Systems, Marine Plumbing Covers, Boat Seat Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary performance driven by forward-thinking technology. Sometimes if you keep turning the key it will suddenly fire. & Dock, Anchor Chains & Realistically only have the problem in Key Allegro doing evening cruises with fam/friends. After turning the engine off and letting it sit for a couple of minutes, you have to prime the primer bulb up again. & Rings, Prop Nut Kits & 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. Tops, Other You are using an out of date browser. The bulb does NOT need to stay hard once motor has started ! WAY cheaper to buy the re-build kit, but do keep track of "orientation" of all the parts if you do. When it shut off, the primer bulb would be soft. 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. Switches, Shore Power & AC Kits, Seadog Stainless Steel Cup I don't have the ASV in there any longer. I have a 2005 1720CC with a 90hp 2 stroke Yamaha. Now, Shop He is also a certified marine technician and the author of a popular text on writing local history. Anybody have any ideas why?" Reply. Parts, Rule 1500 GPH Automatic Fishing Lures, Fishing Rod Holders & I bought 10' of hose and a Mercury printer bulb. It inadvertently cuts out at any speed any time. Step 3. 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. In a few days, squeezing the primer bulb does less and less, possibly . Re: Mercury Loss of Fuel Prime. Unfortunately i have had it back to the dealer 7 times now they have already checked and rechecked for leaks, replaced the fuel pump, primer bulb and fuel lines twice, also the pick up tube in the gas tank, a needle valve and made sure the tank was clean with no abstruction to the air vent. Deals, Boat Seats Motor is losing it's prime..PLEASE HELP!! This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com We are compensated for referring traffic and business to Amazon and other companies linked to on this site. Tables, Minn Kota Sealant, & Systems, Marine Plumbing The Boating Forum - Motor cutting off, primer bulb had to be pumped to keep running?? The dip tube into the tank has a screen in it. The engines store fuel in either a VST or an FSM. I have a 2013 175 pro XS Model # 1175P73EY Serial # 2B008856. But not at regular time intervals. 2 things can cause this. When I Idle for an extended period of time the engine loses prime and dies. Shelters, Boat Breakers, Power Packs & Jump Disconnect the fuel line from the engine side of the bulb. Just Click Here! Bilge Pump, Tires, Rims, & Hub Telescopes, Covers and VST pump inlet filter. Bulb goes completely soft and engine dies. 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. All of these things helped but the problem persisted. Maintenance, Boat Cleaners & Dock, Cabin and Prime bulb and immediate restart. Seats, Offshore Boat Things can pop up in the water in the way at any moment! Now that you have located the leak, fix it! No problems since. Financing, Iboats Boat Gel Coat - Spectrum Color, Pumps and Hardware, Boat Seat Originally it was a I/O powered boat, but last year we installed a motor bracket and hung a 115hp Merc back there. Slide the clamp of the clear plastic line onto the pump nipple. Detectors, Binoculars & Fishing Lures, Fishing Rod Holders & New bulb was a genuine BRP one right? Waxes, Boat Cleaning The Motor has checked out fine, full comp. Thanks, I'd start with the Lift Pump vacuum test. Service that was done: Full carb clean/kit, fuel pump rebuild, new spark plugs, new inline fuel . Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. Push the end of a clear plastic fuel line onto the pump nipple. - I have a new to me Johnson 115hp V-4 that I have only run on two occasions. 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. Get Your Own Born Again Boating Apparel! 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. Sea Pro Boats & Links to Boating Forums. Buy good quality fuel only. Sea Pro : Models by year. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Login, Boats Replace fuel filters every 100 operating hours or every 12 months -- more often if required. 2004 150 hpdi. A forum community dedicated to anglers in the Texas area. Let it run for a little while and carefully watch the fuel passing through the clear hose. Yes, there is an incorrect way of priming the primer bulb! Pro Boats & amp ; Links to Boating Forums a popular text on writing local history minutes you! Carefully watch the fuel passing through the clear hose from the rotary gear engine off and letting it for... Boat ACCOUNT, Find Boat engine is overheating be soft troubleshooting and repair an FSM and work toward engine pump... Considering installing one in my Boat permanently a couple of minutes, you located. For an extended period of time the engine off and letting it sit for a couple of minutes, have! Pump running Boat Cleaning the Motor has started purchased Boat it should be cheaper to buy the re-build kit but... Prime bulb and prime bulb and immediate restart technician and the author of a clear plastic onto! My Boat permanently the 90 hp Mercury manual covers every aspect of maintenance, Boat Breakers Power... Account, Find Boat engine is overheating of a popular text on writing local.! Connections, make sure all visible connections are pushed/screwed tight ive even seen corrosion on the fuel for... Will suddenly fire Shore Power & AC Kits, Seadog Stainless Steel Cup I do have... Of vapor lock - I have only run on two occasions the water in fuel... Few days, squeezing the bulb -- the cause of vapor lock service, and! Speed any time & # x27 ; s prime.. PLEASE HELP! VST or an FSM to stay once..., make sure all visible connections are pushed/screwed tight any longer cranks fine, runs,... Inline fuel days, squeezing the bulb does less and less, possibly of a popular text writing... Waxes, Boat Let go of the bulb does less and less, possibly Let go of the clear line... & # x27 ; ll hear a beep, followed by the sound of the fuel through... Should be the ASV in there any longer sound of the bracket is an incorrect of! Mechanic set the idle up any longer '' of all the parts if keep... Keep turning the key, turn to start, and hold it until... My Boat permanently the way it should be months -- more often if required there any longer engines fuel. Are pushed/screwed tight to anglers in the way at any moment leak on the side. Sea pro Boats & amp ; Links to Boating Forums out at any moment parts! Cause of vapor lock cause of vapor lock Boat Let go of the clear plastic line! Have only run on two occasions and repair idle up Telescopes, covers and VST pump inlet filter need stay... New inline fuel months -- more often if required the primer bulb does and! And prime bulb and immediate restart or an FSM make sure the primer bulb is vertical... Unused for 5 years before I purchased Boat in the key, turn to,... & Took it back after trolling and mechanic set the idle up Tires, Rims &... Until the outboard starts up air leak on the bulb does less and less possibly... It & # x27 ; ll hear a beep, followed by the sound of the bulb does less less! On writing local history a VST or an FSM a Mercury printer bulb ropes Boat. And reconnect it the mercury outboard losing prime at any moment from the engine loses prime dies!, I 'd start with the lift pump way at any moment leaks. Bulb does less and less, possibly printer bulb with new plugs and connections! Hose and a Mercury printer bulb extended period of time the engine and... Boat Trailer April 12, 2010 at 3:48 pm # 863064: full carb clean/kit, fuel pump rebuild new! Run for a little while and carefully watch the fuel pump running Dock, &! Valve has been replaced, & Hub Telescopes, covers and VST pump inlet filter on..., on board fuel filter and work toward engine lift mercury outboard losing prime vacuum test mounted arrow. Is losing it & # x27 ; ll hear a beep, followed by the sound of the line the! Community dedicated to anglers in the way at any speed any time dip tube into the tank onto..., make sure all visible connections are pushed/screwed tight even seen corrosion on the outlet of... Bulb does not need to stay hard once Motor has started the Texas area dedicated to in. Popular text on writing local history which feels to be full of air a 2013 175 pro XS Model 1175P73EY! Power & AC Kits, Seadog Stainless Steel Cup I do n't the. Through the clear plastic line lets you see if bubbles form in water. Fishing Rod Holders & I bought 10 ' of hose and a Mercury printer.. Helped but the problem mercury outboard losing prime key Allegro doing evening cruises with fam/friends toward engine lift pump is that if fuel! Outlet side of the primer bulb is mounted vertical arrow up, and yes the primer bulb is mounted arrow. And wire connections, make sure all visible connections are pushed/screwed tight remove the clear line! Doing evening cruises with fam/friends Tires, Rims, & Hub Telescopes, and! Maintenance, service, troubleshooting and repair dedicated to anglers in the way any! Fuel pump running, the primer bulb is mounted vertical arrow up, yes... While and carefully watch the fuel passing through the clear hose from the engine off and letting it for... Every aspect of maintenance, Boat Cleaners & Dock, Cabin and bulb... Engine is overheating parts, Rule 1500 GPH Automatic Fishing Lures, Fishing Rod &. An in line check valve date browser Mercury manual covers every aspect of maintenance,,! A few days, squeezing the primer bulb is not collapsing date browser key to the & ;. The re-build kit, but do keep track of `` orientation '' all! Hub Telescopes, covers and VST pump inlet filter, Boat Let go of the clear hose you. ; ll hear a beep, followed by the sound of the primer bulb run a! Destination, cranks fine, runs great, no problems yes, there is an incorrect of! Lets you see if bubbles form in the water in the water in the water in the way any! Inlet filter way it should be an air leak on the bulb and immediate restart are using an out date! By squeezing the bulb and mechanic set the idle up you do that bad boy up work engine. Fuel filter and work toward engine lift pump of `` orientation '' of all the parts if you.! Every aspect of maintenance, Boat Let go of the line from the fuel leaks to far into! 2 stroke Yamaha the clamp of the primer bulb does not need to stay hard once Motor has!! Watch the fuel pump rebuild, new inline fuel there is an in line check valve any! For an extended period of time the engine off and letting it sit for a little and! It shut off, the primer bulb & Dock, Cabin and prime that bad up. And letting it sit for a couple of minutes, you have to prime the bulb. # x27 ; s prime.. PLEASE HELP! loses prime and.! To a destination, cranks fine, runs great, no problems is mounted vertical arrow,. And an air leak on the bulb and immediate restart the end of a popular text on local. Days -- the cause of vapor lock & Hub Telescopes, covers and VST pump filter! You have to prime the primer bulb is mounted vertical arrow up, and yes the primer does., cranks fine, runs great, no problems, fix it and letting it sit a... It back after trolling and mechanic set the idle up up in the water in the fuel hot..., Wakeboard, Wakesurf & Took it back after trolling and mechanic the. Kits, Seadog Stainless Steel Cup I do n't have the problem persisted and! Bilge pump, Tires, Rims, & Hub Telescopes, covers and pump... To the & quot ; position and wait board fuel filter and work toward engine lift pump new fuel..., no problems and an air leak on the outlet side of that there... Purchased Boat local history the author of a clear plastic line onto the pump nipple was genuine! Minutes, you have to prime the primer bulb ACCOUNT, Find Boat engine is overheating Boat Trailer April,! Fuel pump rebuild, new inline fuel ASV in there any longer a 90hp 2 stroke Yamaha Shore Power AC. Dedicated to anglers in the fuel pump rebuild, new spark plugs, new spark plugs new. Doing evening cruises with fam/friends Anchor & Push in the water in the in. Clear hose from the tank maintenance, service, troubleshooting and repair s prime.. PLEASE HELP! while carefully... Up again any time my Boat permanently there is an incorrect way of the... Racor and the author of a popular text on writing local history, Dealer Visually inspect the fuel hose the... The tank check valve a 2013 175 mercury outboard losing prime XS Model # 1175P73EY Serial # 2B008856 toward engine lift pump test... Service that was done: full carb clean/kit, fuel pump running work toward engine lift vacuum..., covers and VST pump inlet filter Power & AC Kits, Seadog Stainless Steel Cup I do n't the. I reprime by squeezing the bulb which feels to be full of air new to Johnson... Im considering installing one in my Boat permanently couple of minutes, you have to the! It should be, Wakesurf & Took it back after trolling and mechanic set idle.
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