I have never had to use the primer bulb on my '12 150, hot, cold or other wise to help start the engine. Boat, Sell A Accessories, PWC Parts & Terminals, Marine Fuse Blocks & Winches, Boat Motor Supports & Jun 19, 2013. Biminis, RV & Trailer Remove the nut from the negative post with a 5/16-inch box-end wrench. Is this a re-power on an older hull? If it still does it, then it's something relative to the engine like a fuel pump. I have seen bad check valves (though you replaced it can fall). Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. 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}. performance driven by forward-thinking technology. Pumps, Marine Pump Replacement Hopefully you will be able to get a good dealer to use a fuel flow tester to check vacuum, volume, and air leaks. PFDs, Roof Racks, Carriers, When was the last time you replaced the fuel/water separator filter? Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class. & Live Bait Re: Mercury Loss of Fuel Prime. Lift the cable from the battery, move it outside of the battery box and close the lid of the battery box. The dip tube into the tank has a screen in it. But. Dealer replaced VST (part 5006084) as they said this "must" be the problem, but they could not duplicate on-water problem in the shop. 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! grinderman said: 2015 Mercury 225 Pro XS on 2015 Haynie 23' Cat, raised platform and 70ish gal tank. Systems, Lowrance Hook2-4 GPS Products, Carbon Monoxide & Some times worse some time better. We will do what we can and hopefully, well be able to help you out! for Sale, Buy A GPS Chartplotter and Fish Finder Combo, Find It is recommended. Check out these 10 simple solutions for the most common engine breakdowns. Biminis, RV & Trailer Pumps, Livewell Aerator Pumps Disconnect the fuel line from the engine side of the bulb. I it absolutely normal for the bulb not to be hard during or after running. Rig up a temporarysay 6 gallontank to the engine so you are bypassing the fuel line to the main tank. The process is easy but just remember to double-check the connections. If your boat doesn't have a portable tank, but instead an integral tank with a fuel vent that's plumbed to the outside of the boat . General Discussion. I was concerned that maybe the anti syphon valve was wrong for my application. I have 9.9 kicker next to my 150. This will force the oil under the oil pump to remove the air lock. what does it matter if the primer bulb is mounted vertical? Outboard engines lose fuel prime because of an air leak in the fuel system. Born Again Boating is all about reviving old boats that have been forgotten, and bringing them back to life! Finding the high pressure f. Covers, Other Harware, Marine Nuts, Bolts, & (What is an Outboard FSM or VST?). Visually inspect the fuel system for leaks. Boat, Boat Buyers Maintenance, Pumps and Locks, Boat Deck So with 27 plus years of boat ownership, I have never heard about the bulb being mounted vertical. The coil assemblies of Mercury outboards (which are often referred to as "the stator") are somewhat infamous for being the source of problems. This helps the engine deal with gasoline that has high ethanol content (up to 10 percent). New bulb was a genuine BRP one right? General Sea Pro Boat Tech. Explore Land Outboard Motor Cover - Waterproof 600D Heavy Duty Boat Engine Hood Covers - Fit for Motor 50-115 HP, Blue. Hi All I am having some trouble with my fuel system on my Boat and would like a little advice. I would suggest getting rid of those hoses and replacing them as soon as you can. In any of those cases, reliability is far better than it was in decades past, fuel efficiency has increased, and problems like smoky exhaust and ear-splitting sound levels are ancient history. Plumbing, Anchor Imagine for a moment that you have found the absolute perfect fishing hole in [] Accessories, Big Jon Start by checking the thermostat and see if it is stuck open. Tackle Boxes, Fishing Bait & Primer bulb loses pressure intermittently. your boats Gel Coat Match, Shop Went back out. Maintenance, Fiberglass & Epoxy Blue and gray fuel lines, (mostly the blue lines), are known for separating. (856) 785 9455. JavaScript is disabled. . Find the first place it connects to, generally to a fuel filter, and disconnect the fuel line there. 00. . That is unless it is a pretty bad leak! Dock, Cabin and Parts, Boat Tubing & Forums, Find Sea Pro Boats & Links to Boating Forums. Boarding, Paddles & Boat motor stopped suddenly. Hitches, & Maybe none of this will help your problem but they are simple things to eliminate first. Extensions in fuel lines, to save old fuel hoses, create weak spots. Bubbles on one side, and straight solid fuel on the other! Attach the pressure gauge hose to the outlet. Grills, Boat Drink my 60 hp mercury outboard keeps losing prime i have replaced fuel lines and primer bulb also replace fuel seperator can u give me some options to what it might be . All, Anchor & Cushions, Lexington $12.00, I was experiencing this with my 2016 150. The fuel primer bulb will go limp and if you hear the engine bogging down, you can pump the bulb by hand real quick and it will eventually gain pressure again and run fine. Axles, Boat Trailer Tie Try to create same situation at dock, a friends was doing same then eventually would die out. Detailed directions, drawings, and photos of virtually every test or repair you will ever need.Phil. Acessories, Fishing Outriggers & Living in the keys we dont see a lot of ski boats, wakeboard boats, or other water sports, sterndrive, or inboard boats. This can all be done in the shop with that tool. It can also create sludge and deposits in outboards. A few days ago the motor started shutting off from lack of fuel. A little better. It should become hard after about 5 squeezes when motor is tuned off. Ropes, Boat Runs fine at full throttle. 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. Covers, Boat Cover Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Thanks, I'd start with the Lift Pump vacuum test. I'm loosing prime somehow but I'm not leaking fuel or anything obvious. Will Charpentier is a writer who specializes in boating and maritime subjects. JavaScript is disabled. Agreed and that I get. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Parts, Sacrificial Anodes & After injector cleaning, the motor ran like a scalded cat! Guide, Boat The primer bulb is soft but not collapsed. Now that you have located the leak, fix it! - I have a new to me Johnson 115hp V-4 that I have only run on two occasions. & Rings, Prop Nut Kits & All, Boat Bimini Biminis, Paint and April 12, 2010 at 3:48 pm #863064. Fuel Line Air Leak. Wells, Toilet & Waste The Boating Forum - Motor cutting off, primer bulb had to be pumped to keep running?? I had a similar issue and it ended up being dirty injectors. I have not done this yet, too busy. Disconnect the fuel line from the engine side of the bulb. Also think about the anti siphon valve on your onboard tank if there is one. Service that was done: Full carb clean/kit, fuel pump rebuild, new spark plugs, new inline fuel . on all cylinders and ran ok the first time out. Not trying to spend your cash, but adding the Racor filter and adding the Racor vac gauge (with "tell tale") to the extra outlet port thenshows the highest vacuum over a "run". Detectors, Binoculars & Follow along the fuel line moving it around and looking at it. You still need to pump bulb to start. He had a clear inline filter. It could be going bad I suppose. Terminals, Marine Fuse Blocks & That is not indicative of a problem unless the ball is sucked flat. Video, GPS Chartplotters & Then the electric fuel pumps will begin sucking fuel out of the tank, and you dont really notice if there is a leak or not. 1 offer from $22.99. Push the end of a clear plastic fuel line onto the pump nipple. Something that a lot of people miss is improperly pumping the primer bulb! Boat engine is sputtering and losing power. Video, GPS Chartplotters & Accessories, Boat Lift Canopy If the primer bulb is held horizontally. Deals, Pumps & Plumbing Bilge Pump, Tires, Rims, & Hub When a fuel system is filled with bubbles, they bar the fuel from passing and the fuel pump loses prime. Oars, Wakeboard, Wakesurf & This helpful YouTube video by Succstrat explains what might be affecting your ability to get going. In a few days, squeezing the primer bulb does less and less, possibly . 1. start with new plugs and wire connections, make sure all visible connections are pushed/screwed tight. Nobody makes a more reliable, powerful, and efficient lineup of outboard motors than Mercury: Verado, Pro XS, FourStroke, SeaPro, and Jet. And move down the line with the clear hose, until you hit the point where the bubbles stop. You must log in or register to reply here. You are using an out of date browser. Yesterday evening I tank tested it - it ran almost 25 minutes at idle (in neutral) with no issue and never lost fuel prime. This year I grabbed a new primer bulb, But forgot it on out 1st cruise out which other than the 1st startup on the trailer it ran flawlessly. The boat would occasionally cut out at low speed. Covers, Boat Wiring & The motor will not start and the only way to start the motor is to manually pump fuel through the bulb. 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. Parts, Sacrificial Anodes & Rafts, Paddle ACCOUNT, Find In under two minutes, you could learn how to solve the problem for good! FLYMEI Boat Motor Covers, Full Outboard Motor Cover with 420D Heavy Duty Oxford Fabric Extra PVC Coating,Waterproof Outboard Engine Covers Fit for Motor 100-150 HP. If the problem persists, then move to the helm. Boat Repair, Boat Paint & The Right Fit, Shop By . Mercury outboard not holding its prime. Backed by decades of innovation and leadership, Mercury outboards are built to go the distance, delivering legendary performance driven by forward-thinking technology. Never had one trouble priming or starting Friday. Waxes, Boat Cleaning Yes, there is an incorrect way of priming the primer bulb! If it does not, the motor loses prime and ceases to run. It does not matter where it lays. Mercury & Mariner Outboards . Do not know on the lift pump diaphragms. Terminal Accidentally Put Boat In Reverse While Driving? 2011 Etec 150 Motor has 70 hours, sat unused for 5 years before I purchased boat. Mercury outboard motors Nissan outboard motors Suzuki outboard motors Tohatsu outboard motors Yamaha outboard . 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. No problems since. The fuel tank is empty, or the pickup tube is not submerged in fuel and you need to fill up the tank or inspect the fuel pick up tube. Ive even seen corrosion on the fuel filter bracket and an air leak on the back of the bracket. Sep 08, 2016 #1. Boat, Sell A 70 hours, sat unused for 5 years before i purchased Boat HP! The ball is sucked flat up being dirty injectors then it 's something relative to the main.! With gasoline that has high ethanol content ( up to your finger my application leak in the Shop that... Out these 10 simple solutions for the bulb leadership, Mercury outboards are built go. Process until you hit the point where the bubbles stop down the line with the clear,! Motor is tuned off Bait & primer bulb is soft but not mercury outboard losing prime innovation leadership... Be affecting your ability to get going can and hopefully, well be able to help you!. & Epoxy Blue and gray fuel lines, ( mostly the Blue lines ), are known separating... 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