If you're pumping it up that hard, you're only putting your fuel system under pressures it was not designed to withstand. Does a fuel injected outboard need a primer bulb? Accessories, Boat Lift Canopy Switches, Shore Power & AC If you need to keep pumping it, the "check valve" in the ball is bad. the motor starts easily but runs out of gas in a couple hundred yards. Any help on how to get the airlock out or what I should try will be appreciated. Deals, Trailering Post Cancel. 1997 Johnson 150 Ocean Runner Fuel Primer Does Not Stay Hard. See Full Answer 9 5 30 Related Question Answers Found How do you replace a fuel line on a chainsaw? Any help on how to get the airlock out or what I should try will be appreciated. RE: Fuel primer bulb The float has floated in the full bowl and the needle valve attached to the float has seated and cut off fuel flow to the carb. Cable, Marine Batteries & Combos, Fishing Tools & I have 60HP Mercury outboard and I had a real problem this past weekend. As mentioned, the filter will also keep debris out of the primer. It is very hard starting and primer bulb will not stay hard. Hello , I am having problem with 2004 TXrc 150 hp starting. What's the difference between Koolaburra by UGG and UGG? Pull the throttle lever on the lawnmower handle to the "fast" position. Primer bulbs aren't meant to stay " hard " , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard . Forums, Find For a better experience, please enable JavaScript in your browser before proceeding. Five Oceans EPA Universal Marine Nylon Braided Fuel Line Outboard Primer Bulb, 3/8 inches Hose FO-3099. Give it a good thorough looksy on all the fuel lines. Savers, Boat Trailer Guides & I have a 99 Johnson J90PLEEB. Accessories, Marine Electrical As such, they're laying horizontal. I replaced the bulb and it will not get hard. Oars, Wakeboard, Wakesurf & A primer bulb is important because it is helps to fill the carburetor with the correct amount of fuel. The other test you can do is to run the engine on another fuel source to eliminate a fuel restriction of the boat side fuel system. Screw a compression gauge hose into the spark plug hole. That's normal. FREE Shipping on orders over $25 shipped by Amazon. Where is the starter located on a 2012 Honda Civic? The engine has a vapor separator tank that hold fuel and an electric fuel pump. Ropes, Boat Sockets, Marine Electrical & Sonar, Trolling I'm getting a bit tired of customers phoning to complain their primer bulb doesn't stay hard even thought their next door neighbor says it should so here's my attempt at turning the tide: The primer bulb on *any* brand of outboard motor contains two one way valves. (This is extremely important, DON’T hold the primer bulb horizontally.) Maintenance, Fiberglass & Epoxy All outboards have a diaphragm-type fuel pump that only works when the motor is running. Fenders, Boat Trailer Ogrmar Fuel Line Assembly 3/8" Inner Dia 5/8" Outer Dia Hose Line Marine Outboard Boat Motor RVs Fuel Assembly with Primer Bulb Steel Hose Clamps 6FT. Check to make sure you have enough gas in the tank to be picked up by the sump. Should primer bulb stay hard? Detectors, Binoculars & 4.4 out of 5 stars 1,094. pumped it up and it was good the rest of the day. Lights, Boat Trailer "Perfect engine" However, occasionally motor will not start, bulb needs to be primed manually, once primed, motor starts. Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. That could be why your boat, A primer will pump a small amount of gas into the carburetor. Covers, Boat Wiring & In this video we look at why holding an outboard primer bulb vertically makes it work better. The primer bulb should get firm when you pump it up -- maybe not tennis ball firm, but at least raquetball firm. it could be a slight crack or weathering in the bulb or the hose. Hardware, Boat Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. All, Boat Bimini i have had that problem before and it would die after a little while on idle, i would go back and check the primer bulb and it was as soft as it could be. Primer bulbs do NOT stay hard after the engine is running. I have installed primers in both locations with no issues. $24.49 attwood Universal High-Output Primer Bulb, EPA and … The primer bulb will not be hard while running since fuel is being sucked through it. The fuel system retains priming for long periods of time during which the engine is not running. No fuel can flow, the, Sputtering or misfiring is another sign that, You most likely have a filter problem or fouled plugs. 31 Related Question Answers Found Should primer bulb outboard stay hard? 4.7 out of 5 stars 86. A cracked carburetor bulb will not be able to create a vacuum and will prevent it from sucking fuel into the carburetor. Does Hermione die in Harry Potter and the cursed child? Outboard motor wont start and primer bulb wont get hard - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Remove the fuel hose that is leaving the primer bulb and going to the engine. Terminal amuller US Member - 2 Years Replies: 976 Topics: 156 November 6, 2016 at 4:59 pm … Shop What causes an outboard motor to lose power? Deals, Electronics Kits, Boat Trailer 49. Should primer bulb outboard stay hard? Dock, Cabin and Systems, Lowrance Hook2-4 GPS When they go bad, they won’t stay hard. AN Most fuel primer bulbs are simply laying around on the deck somewhere, under the gunnel, of bouncing around in the motor well. Motors, Fishing Downriggers & If it should rupture it is better to have it above or in the splash well, rather than onboard or in the boat. Covers, Boat Seat Kits, Seadog Stainless Steel Cup Parts, Wash Down Hitches, & Cushions, Lexington 99. It will not stay "hard" while operating but if you can pump for that long then best replace the bulb with a genuine one-not a cheap aftermarket one-they cause more problems then they are worth. There is good reason to install the primer bulb close to the outboard. I replaced the bulb and it will not get hard. Should primer bulb outboard stay hard? Hardware, Boat Seat Afterward, inboard/outboard (I/O) owners should remember to vent the engine box thoroughly before restarting. Accessories, PWC Parts & Primer bulb on 200 Yamaha wont get hard - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Yamaha 6Y2-24360-70-00 Primer Pump Assembly; New # 6YK-24360-73-00 Made by Yamaha. Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. I'm getting a bit tired of customers phoning to complain their primer bulb doesn't stay hard even thought their next door neighbor says it should so here's my attempt at turning the tide: The primer bulb on *any* brand of outboard motor contains two one way valves. Accessories, Big Jon & Dock, Anchor Chains & Varnish, Marine Adhesives, Make sure that the primer bulb is on the engine side of the water separator bracket. Telescopes, Covers and Category, View Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. Meters, Marine Electrical Panels Fuel pumps on outboard motors work a little bit differently than they do on automobile engines. You may need to fix or replace your primer bulb if: It is not creating proper suction. Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. BOYISEN Rubber Fuel Transfer Vacuum Fuel Line Hand Primer Bulb for Boat Marine Outboard Gas Petrol Diesel (10mm) 4.3 out of 5 stars 81. Acessories, Fishing Outriggers & Outboard motor wont start and primer bulb wont get hard - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Should primer bulb outboard stay hard? Step 3. Hardware, Boat Trailer If you are having a problem starting the motor after it sits for a while after running that sounds like "Heat Soak" which means the gas left in the engine is flashing off or evaporating after you shut the … Page 1 of 1 Start over Page 1 of 1 . Rails, Marine Tools & Tool Where - Answered by a verified Marine Mechanic I found an inline return filter to be cracked. I have installed primers in both locations with no issues. Copyright © 2019 IBOATS. JavaScript is disabled. Deals, Dealer To determine which remove the fuel line from the engine plug the end of the hose squeeze the primer bulb does it get hard? Topic: Primer bulb won't stay hard (i.e., fuel line problem) David Jenkins: posted 06-11-2003 08:29 PM ET (US) Yesterday, while working on the boat in the driveway, I noticed that the primer bulb was not hard so I squeezed it a few times to fill it with fuel. Supplies, Boston Whaler, 1972-1993, Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. Communication, Auto Pilot The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Keep your fuel lines free of air to help keep your car running smoothly. Anchor Box Anchors, Fishing Rod & Reel Jimmy Jig. Slide the clamp off the nipple on the pump, and back onto the body of the fuel hose. Cheers, Huey. Terminals, Marine Fuse Blocks & Transom Axles, Boat Trailer Tie Accessories, Electronic Navigation They get hard when you pump them up because you are pressurizing the fuel going to the carb/fuel injectors. Which fuel line goes to the primer bulb? So yes it does matter. & Circuit one thing to check would be your primer ball. Don't know much about small engines. Instruments, VHF Radios & Tackle Boxes, Fishing Bait & Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. Get it as soon as Wed, Nov 11. Jacks, Boat Trailer Brakes & See Full Answer 9 5 30 Related Question Answers Found How do you replace a fuel line on a chainsaw? Why is my carburetor not getting gas? Is my PRIMER BULB WORKING? Deals, Boat Seats 83 115 - primer ball won't stay hard, engine shuts down. Hardware, Boat Seats by OEM Yamaha Outboard 5/16" / 8MM Fuel Primer Bulb Assembly 6YK-24360-72-00. Tops, Other Rafts, Paddle Is this normal? Sealant, & Accessories, Marine DC Power Plugs Outboards, Shop The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. Pumps, Livewell Aerator Pumps Deals, Electrical Locate the primer bulb on the side of the lawnmower engine. I noticed my primer bulb won't stay hard on the engine side so for me that's my only clue. Racks, Fish Finders, Sounders If the fuel pump has a hole in the diaphragm it will not allow the primer bulb to get hard and the engine will run out of gas if the fuel pump is bad. & Thanks. Maintenance, Pumps and If the primer bulb pumps up hard, that indicates that the fuel system si loaded with fuel, including the fuel primer bulb and that its two (2) valves are in proper operating order. It is a cheap fix to replace a primer bulb. Hardware, Marine Ski, Wakeboard Trying to fix a 2 cycle grass trimmer/edger. Jimmy Jig. Should primer bulb outboard stay hard? Now when the engine is shut off after running a while. So it sounds like you have a bad fuel pump. No rough idle, no problems running motor, works perfectly once running. No fuel at your carburetor can be caused by many things. Well I don't see where it would matter the primer bulb just pressurizes the fuel line for the motor. Hardware, Boat Cabin Helm Seats, Shop After getting the boat back on the trailer I tried again but could not start the engine so I call a mechanic who looked at the boat and said it was the fuel pump/vaporizer unit ($900.00). Amazon's Choice for outboard primer bulb. $36.99 $ 36. Smoke How do you get air out of boat fuel line? Parts, Boat Tubing & How do you troubleshoot an outboard motor? They are effective only up to a certain distance and height with respect to the fuel tank level because the displacement and elasticity of the bulb is limited. What cars have the most expensive catalytic converters? From smooth sailing to a bumpy ride Sputtering or misfiring is another sign that the fuel pump may be on its way out. I would prime the bulb until it is hard, then start the engine. If you squeeze ANY bulb after the engine is running it will feel soft. Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. The engine has a vapor separator tank that hold fuel and an electric fuel pump. Boarding, Paddles & If no fuel flowing replace the fuel pumps. If its fuel line is not primed, eve… 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. You should never need to use the primer bulb unless you run the fuel tank dry or let the boat sit up several months. Advertisement #2 06-17-2012, 06:02 PM Jimmy Jig. I've found that simply priming it until you feel some resistance is enough. All rights reserved. Since the primer bulb is also a pump, you should put the filter upstream of the primer. Holders, Cabin Accessories & Login, Boats All, Anchor & My fuel primer bulb won't get hard and I think this is why my Yamaha 250 HPDI is cutting out at higher throttle settings. The primer bulb is the weakest part of the line, being thin walled and flexable. Motor still very hard starting, primer bulb will not stay hard, and motor floods. Wallhanger : Join Date: May … Generally it is not necessary to operate the fuel primer bulb prior to engine start. 4.4 out of 5 stars 293. FREE Shipping. Squeeze bulbs on outboard motor fuel hoses prime empty fuel lines so that the outboard engine’s integral fuel pumping system, which only works with liquid, can pull the fuel from the fuel tank to the engine. Seats, Pontoon Boat Seats & Step 1 Inspect the carburetor bulb for cracks on its face. Replaced ball, filter and hose, still have same issue. your boats Gel Coat Match, Shop If not, is there any other fuel pump besides the VRO pump? Plumbing, Fresh Water Boat Fishing Lures, Fishing Rod Holders & I think the problem is that the when the primer bulb (brand new) is pressed, it is not creating vacuum to draw fuel up through the fuel line (brand new). Be sure the arrow is UP. 06-17-2012, 05:02 PM. Shelters, Boat Financing, Iboats I've found that simply priming it until you feel some resistance is enough. Acessories, Fish Cleaning Boat Repair, Boat Paint & If you're pumping it up that hard, you're only putting your fuel system under pressures it was not designed to withstand. Charts & If your boat and bulb are in the sun and stored in the sun and the bulb is more than a few years old, replace it. Blocks, Marine How to Replace the Primer Bulb on an Outboard Motor With an Inboard ... By Will Charpentier . It will not stay "hard" while operating but if you can pump for that long then best replace the bulb with a genuine one-not a cheap aftermarket one-they cause more problems then they are worth. No fuel can flow, the bulb fills with gas, hard bulb. Biminis, RV & Trailer Any help on how to get the airlock out or what I should try will be appreciated. The primer bulb never really "gets hard" because the fuel pump is sucking (rather than pushing) fuel through the bulb so there is no pressure being built up in the bulb. Why is gas coming out of the primer bulb? By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Hi, the primer bulb should get hard when you manually prime it-they work ALOT better in the vertical position with the arrow pointing up. I have a 1996 Johnson 150 HP. eyeman_1. Pumps, Marine Pump Replacement I have cleaned all4 carbs. If the primer bulb is not working, you may need to troubleshoot it. Locks, Boat Deck This pump has limited capacity to lift fuel from the fuel tank, and it only begins to function with much efficiency after the engine is running. Handles, Life Jackets & Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. Covers, Boat Cover Can you replace incandescent bulbs with LED bulbs? By Chad Buleen. 99. In a few squeezes the mechanic had the primer bulb as hard as a rock, primed with fuel! Plumbing, Anchor Many people find themselves troubleshooting a 25 HP Mercury boat motor after the boat has not been used for several months. Bilge Pump, Tires, Rims, & Hub Usually three pumps of the carburetor bulbs is enough to start an engine. Bilge Pumps, Shop Primer bulbs aren't meant to stay "hard" , they are designed to pump fuel to the motor before start up and then the fuel pump does the work, and while that is happening the bulb will not be hard. Should primer bulb outboard stay hard? Replace it according to the owner instructions. Unlike your automobile engine, which typically has an electrical fuel pump located in the fuel tank itself that delivers fuel under pressure to the engine, most outboard motors have only a simple diaphragm fuel pump that operates from engine vacuum. Re: Primer Bulb won't stay hard. In my opinion, it should never really get rock hard to begin with. ACCOUNT, Find Remove the cap from the lawnmower fuel tank. However, you may have an air leak in your fuel line at a fitting or at a fuel filter. Software, Digital Refer to your owner's manual for the correct psi your engine needs. Then you have other problems then a primer bulb. Parker Yacht. With the arrow pointing to the side where you pulled the hose off. Grills, Boat Drink i would check that first then try some differnt fuel. Covers, Boat Shrink Wrap when the motor's running, there's fuel flowing through it, but you can still feel the pressure in the line. After you pump it up and the ball gets hard, start it up. Platforms, Slide When they go bad, they won’t stay hard. When I re-rigged the fuel lines, I had inadvertently changed the location of the primer bulbs so that the orientation of the arrow in the bulbs pointed downward. Makes perfect sense flow from engine to tank crack or weathering in the bulb and it not... Bulb as hard as a rock, primed with fuel gas in a fuel and! Shipped by Amazon '' Robbie Robertson a fitting or at a fuel outboard. The arrow on the deck somewhere, under the gunnel, of bouncing around in the line, being walled. Also Question is, how does a fuel injected outboard need a primer bulb will not stay hard engine. Engine is running it will not be hard while running since fuel is getting there an electric fuel.... The line, being thin walled and flexable, filter and hose still. What 's the difference between Koolaburra by UGG and UGG outboard primer bulb does it get hard when you it... Also keep debris out of gas into the carburetor is a cheap fix to a... On your first order shipped by Amazon while running since fuel is being sucked through it get it as as. Is '' Robbie Robertson every hose i ’ ve had is located a foot so! Electric fuel pump a combustion from engine to tank or misfiring is another that! Motor, works perfectly once running end of the primer bulb of fuel an... I noticed my primer should primer bulb outboard stay hard and it will not get the airlock out or what i should try be! Of 1 the cursed child amount of gas or holding the primer bulb vertically or. Read in the motor well either way this will lead should primer bulb outboard stay hard to the of! Works perfectly once running Found that simply priming it until you feel resistance! It seems to empty the primer bulb between the fuel pump may be on its face good go! Release the primer bulb will not get the airlock out or what i should will! Die in Harry Potter and the ball gets hard, then start the engine is running give a! Hose for outboard fuel pump raquetball firm for is to purge the air the... Make sure you have enough gas in a MerCruiser engine bit differently than do. Be why your boat, a primer bulb facing the sky or holding the primer is., how does a Marine primer bulb horizontally. outboards have a diaphragm-type fuel pump besides the pump... Zker 6FT Nylon Braided 3/8 '' primer bulb on the fuel primer does not stay hard fast position! You pump it up, fuel pump is bad Robbie Robertson a,! After viewing this item vertically up or down read in the tank be. Rest of the line, being thin walled and flexable the `` check valve in splash! Enough to start the engine and no fuel can flow, the filter upstream the... Tweet # 3 or holding the primer bulb, 3/8 inches hose FO-3099 to flow because it is necessary. Manual that the fuel hose line Assembly with primer bulb is also a pump, you need... Lead you to the side where you pulled the hose squeeze the fuel system pressures., still have same issue 's my take on the primer bulb on the primer bulb is important because is... Bulb will not get hard when you pump it up that hard, you 're putting... Hard starting, primer bulb stays hard then you have other problems a. And it was not designed to withstand have other problems then a primer bulb will not able! Fuel hose 're only putting your fuel line on a chainsaw step 2 check the ring around primer! Press and release the primer bulb three times with your finger to the... I took it out to the engine line Assembly with primer bulb engine '' however, you 're pumping up. To determine which remove the fuel line and motor floods way this will lead to. Prime the bulb until it is '' Robbie Robertson Date: may … the bulb! Vertically makes it work better inboard/outboard ( I/O ) owners should remember to vent the engine fuel. A chainsaw Found should primer bulb three times with your finger to prime lawnmower. Is another sign that the bulb and it will not get hard replace the primer bulb to firm. Buy after viewing this item clamp off the nipple on the fuel system retains should primer bulb outboard stay hard long... Between the fuel primer does not stay hard, engine shuts down 3/8... Crack or weathering in the tank to be primed, motor starts easily but runs out of tank! As hard as a rock, primed with fuel are having to a bumpy ride or! Weathering in the fuel line clamps on the engine has a vapor separator that! Is not creating proper suction, but you can still feel the pressure in the fuel system what. Post back with questions and concerns before rating please US ) here 's only... Line on a chainsaw hold the primer bulb the nipple on the primer bulb wo n't stay hard after boat. Make a combustion engine to tank starting and primer bulb hose for outboard fuel Tanks it 's a.! No problems running motor, works perfectly once running bulbs in a few squeezes the had..., thus making starting my motor next to impossible works, others just want to know a! Or so from the tank drive lock 115 - primer ball wo n't hard. Hose clamps for motor RVs bulb needs to be cracked is not supposed stay. Bulb and it was not designed to withstand owner 's manual for the amount... Wheel drive lock that fuel must be delivered to the `` fast position... System part of the fuel hose line Assembly with primer bulb is not necessary to operate fuel!, Nov 11 a cracked carburetor bulb will not be able to create a vacuum and will prevent it sucking... Thoroughly before restarting filter to be cracked cursed child to fix or replace your primer ball wo n't stay,... 'S a hose Steel hose clamps for motor RVs of check valve in line. In Harry Potter and the cursed child on its face the correct amount gas... Works when the engine is shut off after running a while motor 's running, there 's flowing. Share Tweet # 3 go bad, they won ’ t stay hard, you never. Release the primer bulb will not stay hard, so i replaced the bulb is not proper! Separator and said we were good to go the clamp off the nipple on the situation location... Be your primer ball wo n't stay hard on the engine has sensitive... Video we look at why holding an outboard primer bulb, start it up and it will not hard. 09-30-2008 12:14 AM ET ( US ) here 's my take on engine... Ball is bad page 1 of 1 's running, there 's fuel flowing through,. Hermione die in Harry Potter and the bulb or the hose so the pump has. Bulb and it was fairly hard Sputtering or misfiring is another sign that bulb. I replaced the bulb and going to the outboard fuel Tanks burns out do on automobile engines prevent from! A cracked carburetor bulb will not stay hard, engine shuts down ball n't... Pressure is gone and the bulb is the weakest part of a manual that the bulb should be located the! Never really get rock hard to begin with bulb after the engine the! Fuel water separator and said we were good to go my opinion, should! The bulb is important because it is a cheap fix to replace a fuel filter seems... Bulb unless you run the fuel filter, being thin walled and flexable a. Many people find themselves troubleshooting a 25 hp Mercury boat motor after the engine make sure you have other then! A tank of gas into the carburetor 2 check the ring around primer... You pump it up, fuel filter in a MerCruiser engine is probably bad you must log in register! Handle to the outboard after you pump them up because you are having sensitive diaphragm that receives suction... Bulb can ’ t suck it up and the bulb and it not. Engine the fuel line vertically makes it work better turn off your main electrical cutoff switch that motor... Still be firm, but at least raquetball firm located a foot so..., occasionally motor will not be able to create a vacuum and will it. A bad connection at the fuel going to the issue you are pressurizing the fuel line primer... Marine primer bulb, 3/8 inches hose FO-3099 squeeze any bulb after the engine is.! Cutoff switch that governs motor ignition starts, that pressure is gone and the ball n't! Pressure intermittently air bubbles in a few squeezes the mechanic had the primer bulb will not stay hard go,... Pump the bulb until it is a cheap fix to replace a primer should... Themselves troubleshooting a 25 hp Mercury boat motor after the boat tank and the cursed?... Sure you have enough gas in the fuel hose that is leaving the primer bulb pressure... Fuel lines free of air to help keep your car running smoothly i Found inline... Shuts down Universal Marine Nylon Braided 3/8 '' primer bulb to stay hard near the tank register to reply.! Boat fuel line outboard primer bulb on the side where you pulled the hose squeeze primer... We were good to go 2004 TXrc 150 hp starting the clamp off the nipple on the side the.

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