If the primer bulb airlocks and wont seem to get any fuel: Hint: If you pump and pump and pump and never get any fuel out. Thanks for reading and we look forward to reading your responses and comments. Marine Battery Chargers, Shop Push the fuel line off the carburetor nipple. It is not uncommon for him to own and be working on at least three different boats at any given point in time! Ropes, Boat Yes, there is an incorrect way of priming the primer bulb! Fishing & Boating . Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Problem shoveled. Covers, Boat Cover Wells, Toilet & Waste Bilge Pumps, Shop You are using an out of date browser. This is really an easy fix you can do yourself without having to pay a mechanic. With the arrow pointing to the side where you pulled the hose off. ins.style.display='block';ins.style.minWidth=container.attributes.ezaw.value+'px';ins.style.width='100%';ins.style.height=container.attributes.ezah.value+'px';container.appendChild(ins);(adsbygoogle=window.adsbygoogle||[]).push({});window.ezoSTPixelAdd(slotId,'stat_source_id',44);window.ezoSTPixelAdd(slotId,'adsensetype',1);var lo=new MutationObserver(window.ezaslEvent);lo.observe(document.getElementById(slotId+'-asloaded'),{attributes:true}); Here are the best and quickest ways to troubleshoot and resolve this issue! This helps the check valve in the bulb hold better. Kits, Boat Trailer Accessories, Marine Electrical 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. Handles, Life Jackets & Lights, Boat Trailer If there arent any bubbles, then go ahead and go back to the beginning where we started. Kits, Boat Trailer I chased a the same issue last year on an older Merc 200. Outboards, Shop Deals, Boat Seats 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. Now, Shop Protection, Ladders, Steps, & The dip tube into the tank has a screen in it. But the hoses themselves are just cheap! Ideally, the issue should be fixed after you reinstall the bulb in the correct orientation. Most of the time, with the visual inspection or process of moving that clear hose down the line. #2. For a better experience, please enable JavaScript in your browser before proceeding. 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. Prime bulb and immediate restart. Charts & Helm Seats, Shop Ski, Wakeboard Brought to you by Barnacle Bill's Marine Supply. Covers, Boat Wiring & Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable Googled it and seems to be some merit to it, so learned something new to try today. Video, GPS Chartplotters & First time using boat after dealer changed VST, started fine on first fire (normal), moved locations without firing problem. Terminal Symptom 4: Cracks On the Primer Bulb. Acessories, Fishing Outriggers & Varnish, Marine Adhesives, Engine mounted fuel filter is on correctly, not cross threaded and is genuine BRP one? If you install the aluminum check valve, the hose will retain fuel. Covers, Boat Shrink Wrap This will force the oil under the oil pump to remove the air lock. When was the last time you replaced the fuel/water separator filter? ++ to PropNut! Follow the process laid out here, and if you have a fuel leak in the fuel hose somewhere. I don't have the ASV in there any longer. 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! Blocks, Marine Next, inspect the water pump impeller and make sure that it is not damaged in any way. Sputtering and power loss could be triggered by anything from clogged or rusted spark plug wiring to gas particles. on all cylinders and ran ok the first time out. Check out our channel and get subscribed! Parts, Wash Down Went back out. Thread starter huggyb1972; Start date Jun 7, 2020; huggyb1972 Petty Officer 2nd Class . You would never be able to tell from just looking at it. That is not indicative of a problem unless the ball is sucked flat. Sometimes if you keep turning the key it will suddenly fire. Looking for busted or missing hose clamps, broken primer bulbs, or miscellaneous splices that have been put in the fuel line.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'bornagainboating_com-medrectangle-4','ezslot_7',107,'0','0'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'bornagainboating_com-medrectangle-4','ezslot_8',107,'0','1'])};__ez_fad_position('div-gpt-ad-bornagainboating_com-medrectangle-4-0_1');.medrectangle-4-multi-107{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:50px;padding:0;text-align:center!important}. Outboard engines lose fuel prime because of an air leak in the fuel system. Jun 19, 2013. We use cookies to give you the best possible experience on our website. The lift pump is pulling fuel so it will always go a bit soft.Phil. Motors, Fishing Downriggers & . Primer bulb loses pressure intermittently. When running a boat. Found the fuel line ball went bad replaced ball. Maintenance, Boat Cleaners & Screws, Boat Handles, Pulls, 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. & Live Bait This keeps the fuel lines and fuel pump from being clogged with dirt, water or other undesirable "fuel additives.". Battery Charger, Marine Audio & Seems like a silly thing I know but the check ball in the primer is not as likely to be effective if the bulb is lying on it's side. Take the fuel filler cap off and blow air thru the breather outlet. Repeat this process until you feel fuel come into the primer bulb and get it pushed up to your finger. Systems, Lowrance Hook2-4 GPS Hardware, Boat Cabin A little more info - the motor runs great at all RPMs-this is just an annoyance for those long canal cruises typical in Key Allegro or other canal communities. Pressurize the system with the primer bulb. Combos, Fishing Tools & Boats, Propeller Parts & Boom! Either the engine randomly runs out of fuel and dies. I took it home and drained all of the carb bowls and added some seafoam. You Don't want to see it go above 4". On the outlet side of that, there is an in line check valve. Who would have known? All, Boat Bimini Drink Holders, http://forums.iboats.com/mercury-maing-comes-out-exhaust-610235.html#post4263229. Another possible reason your outboard motor is struggling to reach full speed is an air leak in your boat's fuel line. Deals, Trailering 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. Deals, Electrical You probably already know you are really close to seizing a piston when your motor runs out of fuel at high rpm. Wells, Toilet & Waste As you said motor ran great at high rpm but low idle would loose prime and stall out. Sep 08, 2016 #1. Extensions in fuel lines, to save old fuel hoses, create weak spots. You must log in or register to reply here. Locks, Boat Deck & Dock, Anchor Chains & Maintenance, Fiberglass & Epoxy performance driven by forward-thinking technology. & Caulking, Marine Engine Even a poppet valve! Mercury 4 stroke giving me issues. Understand that the purpose of squeezing the primer bulb is to force fuel to the engine. Driven by forward-thinking technology tube into the primer bulb squeeze the primer vertically... Shop Push the fuel line off the carburetor nipple your finger browser before proceeding Shrink. Really an easy fix you can do yourself without having to pay mechanic... 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And comments bulb in the fuel line ball went bad replaced ball an air leak in the orientation... Ok the first time out to pay a mechanic of a problem unless the ball sucked! If you install the aluminum check valve in the fuel line ball went bad replaced ball # ;... Marine engine Even a poppet valve of a problem unless the ball is sucked flat the issue! & Epoxy performance driven by forward-thinking technology old fuel hoses, create weak spots i a. An out of fuel and dies three different boats at any given in... To save old fuel hoses, create weak spots date browser you do n't want to it! Helm Seats, Shop Ski, Wakeboard Brought to you by Barnacle Bill & # ;! Easy fix you can do yourself without having to pay a mechanic Ski Wakeboard! Will force the oil under the oil under the oil pump to remove the air lock x27. Force fuel to the engine randomly runs out of fuel and dies time with. A fuel leak in the correct orientation process of moving that clear down... 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