Deals, Camping & RV replaced all fuel lines, replaced anti-siphon valve, and new fuel pick up tube, put in water seperator, new fuel filter, and new diaphram. 49. Communication, Auto Pilot Asked By: Dounya Fonteboa | Last Updated: 11th June, 2020, 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. Protection, Dock Storage & No fuel can flow, the bulb fills with gas, hard bulb. It starts good but the primer bulb will not stay hard, so I replaced it with no results. Yamaha 6Y2-24360-70-00 Primer Pump Assembly; New # 6YK-24360-73-00 Made by Yamaha. your boats Gel Coat Match, Shop Can you replace incandescent bulbs with LED bulbs? Press and release the primer bulb three times with your finger to prime the lawnmower carburetor. $36.99 $ 36. Should primer bulb outboard stay hard? 3.6 out of 5 stars 15. Hardware, Marine Air bubbles in a fuel line can lead to stalling, hiccuping or refusal to start. Rafts, Paddle If you need to keep pumping it, the "check valve" in the ball is bad. In my opinion, it should never really get rock hard to begin with. The pump ball has a one-way valve built in to prevent back flow from engine to tank. Helm Seats, Shop Deals, Paint & Maintenance 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. Guide, Boat 1997 Johnson 150 Ocean Runner Fuel Primer Does Not Stay Hard. 06-17-2012, 05:02 PM. IS YOUR Briggs and Stratton engine Priming correctly? 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. My f115 is doing the same thing. As mentioned, the filter will also keep debris out of the primer. Should primer bulb outboard stay hard? Comment. You must log in or register to reply here. 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. Fuel pumps on outboard motors work a little bit differently than they do on automobile engines. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Hardware, Boat Cabin Get it as soon as Wed, Nov 11. You may need to fix or replace your primer bulb if: It is not creating proper suction. Accessories, PWC Parts & 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. & Sonar, Trolling FREE Shipping by Amazon. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. Breakers, Power Packs & Jump The primer bulb should get firm when you pump it up -- maybe not tennis ball firm, but at least raquetball firm. See Full Answer 9 5 30 Related Question Answers Found How do you replace a fuel line on a chainsaw? ZKer 6FT Nylon Braided 3/8" Marine Outboard Boat Fuel Hose Line Assembly with Primer Bulb Steel Hose Clamps for Motor RVs . Jimmy Jig. I took it out to the lake run it at WOT, no issue. Any help on how to get the airlock out or what I should try will be appreciated. Maintenance, Fiberglass & Epoxy Wells, Toilet & Waste Is there supposed to be some kind of check valve in the body of the primer base? All, Boat Bimini Advertisement #2 06-17-2012, 06:02 PM Jimmy Jig. Savers, Boat Trailer Guides & Typically I will check the primer bulb when first starting the engine after a lay up period of a week or more, otherwise it is not used. 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. They go flat. Should primer bulb stay hard? Honda 5hp Outboard, Boat 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. I'll be checking fuel pressure next. 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. If the primer bulb is not working, you may need to troubleshoot it. the motor starts easily but runs out of gas in a couple hundred yards. Tables, Minn Kota From smooth sailing to a bumpy ride Sputtering or misfiring is another sign that the fuel pump may be on its way out. Get it as soon as Wed, Jan 6. "Some people want to know how a watch works, others just want to know what time it is" Robbie Robertson. If its fuel line is not primed, eve… Check to make sure you have enough gas in the tank to be picked up by the sump. Should primer bulb outboard stay hard? The Right Fit, Shop By By Chad Buleen. Tubes, Shop Trolling Motors, Shop i would check that first then try some differnt fuel. Senior Swabby. Seats, Pontoon Boat Seats & How do you prime a small engine carburetor? How to Troubleshoot a Mercury Outboard Engine. The primer bulb is the weakest part of the line, being thin walled and flexable. For a better experience, please enable JavaScript in your browser before proceeding. As such, they're laying horizontal. Combos, Fishing Tools & Cable, Marine Batteries & Can you use regular boots for snowboarding? The bulb is NOT suppose to stay hard. If you squeeze ANY bulb after the engine is running it will feel soft. Boarding, Paddles & Plumbing, Fresh Water Boat Hardware, Boat Seat It's similar to running out of a tank of gas. 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. How do you get air out of boat fuel line? Holders, Cabin Accessories & 06-17-2012, 06:18 PM. Where is the starter located on a 2012 Honda Civic? So it sounds like you have a bad fuel pump. Hitches, & Hardware, Boat Seats by What causes an outboard motor to lose power? Hello , I am having problem with 2004 TXrc 150 hp starting. Is Your Lawnmower Hard to Start? 99. "Perfect engine" However, occasionally motor will not start, bulb needs to be primed manually, once primed, motor starts. With the arrow pointing to the side where you pulled the hose off. Marble, Engine Are LED bulbs more energy efficient than CFL bulbs? When the pump is not providing fuel consistently you will experience sputtering and may even find that the engine dies while the machine is still in motion. Deals, Trailering PFDs, Roof Racks, Carriers, Telescopes, Covers and 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. 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. Parts, Inflatable There are a number of things that can cause this. The primer bulb on every hose i’ve had is located a foot or so from the tank. Re: Primer Bulb won't stay hard. Bullet Skimmer, Paint and Racks, Fish Finders, Sounders They get hard when you pump them up because you are pressurizing the fuel going to the carb/fuel injectors. Protection, Ladders, Steps, & Trying to fix a 2 cycle grass trimmer/edger. It does this by pulling fuel through the fuel line. After you pump it up and the ball gets hard, start it up. In order to start the engine the fuel line has to be primed, and this is the purpose of the primer bulb. Join Date: Nov 2014; Posts: 13137; Share Tweet #3. It is very hard starting and primer bulb will not stay hard. Then you have other problems then a primer bulb. Kits, Boat Trailer I found an inline return filter to be cracked. How do you troubleshoot an outboard motor? Parts, Boat Tubing & Cheers, Huey. Furniture, Boat Seat Pedestals & I have a 1996 Johnson 150 HP. Jimmy Jig. The primer bulb can’t suck it up without removing it. It is a cheap fix to replace a primer bulb. Bilge Pump, Tires, Rims, & Hub I've found that simply priming it until you feel some resistance is enough. Should primer bulb outboard stay hard? Post Cancel. I replaced the bulb and it will not get hard. one thing to check would be your primer ball. 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. Forums, Find 4.2 out of 5 stars 10. 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. Galley, Barbeque $13.99 $ 13. Lighting, Marine Teak No rough idle, no problems running motor, works perfectly once running. Covers, Other Covers, Boat Shrink Wrap Seats, Offshore Boat 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. If the bulb is getting sucked flat and such, then that is a better indication of a restriction in the fuel … I replaced the following Fuel pick up tube in 100 gal tank , anti siphon valve, fuel lines below deck , in line 10 micron Yamaha filter , yamaha primer bulb , fuel line to outboard . In a few squeezes the mechanic had the primer bulb as hard as a rock, primed with fuel! Deals, Pumps & Plumbing What's the difference between Koolaburra by UGG and UGG? 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. 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. 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. Turn off your main electrical cutoff switch that governs motor ignition. Lights, Boat Trailer Five Oceans EPA Universal Marine Nylon Braided Fuel Line Outboard Primer Bulb, 3/8 inches Hose FO-3099. Sponsored Links WalleyeCentral.com. Acessories, Fish Cleaning Zincs, Generator If you're pumping it up that hard, you're only putting your fuel system under pressures it was not designed to withstand. pumped it up and it was good the rest of the day. Seats, Fishing Boat Now, Shop Accessories, Boat sosmerc: posted 09-30-2008 12:14 AM ET (US) here's my take on the situation regarding location of primer bulbs. Post back with questions and concerns before rating please. 83 115 - primer ball won't stay hard, engine shuts down. 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 … Blocks, Marine Biminis, Paint and 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. In my opinion, it should never really get rock hard to begin with. 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). In this video we look at why holding an outboard primer bulb vertically makes it work better. When you shut it off, the bulb should still be firm, and stay … Cranks without a problem first time, run to a destination, cranks fine, runs great, no problems. Step 1 Inspect the carburetor bulb for cracks on its face. Wallhanger : Join Date: May … Fishing Lures, Fishing Rod Holders & Switches, Shore Power & AC Professionals. Deals, Dealer Don't know much about small engines. 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. Motor still very hard starting, primer bulb will not stay hard, and motor floods. Products, Carbon Monoxide & 06-17-2012, 06:18 PM. Amazon's Choice for outboard primer bulb. Since the primer bulb is also a pump, you should put the filter upstream of the primer. Towers, Tow Ropes & 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 . What happens when one bulb is fused when bulb are connected in series? Boat Gel Coat - Spectrum Color, Pumps and Fasteners, Boat Windshield I have cleaned all4 carbs. I have installed primers in both locations with no issues. Software, Digital Oars, Wakeboard, Wakesurf & It only delivers the fuel to the engine. Distribution, ProMariner ProNautic Deals, Boat Seats All, Anchor & Waxes, Boat Cleaning It may not display this or other websites correctly. Rollers, Boat Trailer If the ball doesn't get hard when you pump it up, fuel pump diaphram is probably bad. At idle it seems to empty the primer bulb of fuel and continue to run. Previous page. Accessories, Marine Electrical What does a fuel primer do? Charts & Ropes, Boat Related How to Replace the Fuel Filter in a MerCruiser Engine . A cracked carburetor bulb will not be able to create a vacuum and will prevent it from sucking fuel into the carburetor. Storage Locate the primer bulb on the side of the lawnmower engine. 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. Copyright 2020 FindAnyAnswer All rights reserved. Afterward, inboard/outboard (I/O) owners should remember to vent the engine box thoroughly before restarting. I always try to locate the primer bulb between the fuel tank and the water seperator/filter. I replaced the bulb and it will not get hard. If not, is there any other fuel pump besides the VRO pump? 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. After the engine starts, that pressure is gone and the bulb acts just like it's a hose. Jacks, Boat Trailer Brakes & A primer will pump a small amount of gas into the carburetor. Accessories, Boat Lift Canopy Tackle Boxes, Fishing Bait & Rails, Marine Tools & Tool I replaced the bulb and it will not get hard. & What cars have the most expensive catalytic converters? JavaScript is disabled. Be sure the arrow is UP. Is this normal? A primer bulb is important because it is helps to fill the carburetor with the correct amount of fuel. I would prime the bulb until it is hard, then start the engine. Parts, Wash Down Click to see full answer Also question is, how does a Marine primer bulb work? Shop 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 … Category, View Many people find themselves troubleshooting a 25 HP Mercury boat motor after the boat has not been used for several months. Thanks. The engine has a vapor separator tank that hold fuel and an electric fuel pump. Meters, Marine Electrical Panels $15.99 $ 15. 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. No fuel at your carburetor can be caused by many things. GPS Chartplotter and Fish Finder Combo, Find The primer bulb will not be hard while running since fuel is being sucked through it. Kits, Seadog Stainless Steel Cup Manufacturer, Boat Tables & If no fuel flowing replace the fuel pumps. There are a number of things that can cause this. Smoke (This is extremely important, DON’T hold the primer bulb horizontally.) Of course, once the magician reveals the trick, it makes perfect sense. ACCOUNT, Find Pactrade Marine 2 Pcs Boat Black Rubber Jumbo 3/8" Primer Bulb Hose for Outboard Fuel Tanks. Accessories, Pontoon Bimini 4.4 out of 5 stars 1,094. Winches, Boat Motor Supports & I have a 99 Johnson J90PLEEB. Financing, Iboats 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. 4.4 out of 5 stars 293. Downs, Couplers, Mounts, However, you may have an air leak in your fuel line at a fitting or at a fuel filter. Subsequently, question is, what are the symptoms of having air in the fuel line? Shelters, Boat 06-17-2012, 05:02 PM. The primer bulb is downstream of the external RACOR fuel filter. 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. 4.7 out of 5 stars 86. The primer bulb will not be hard while running since fuel is being sucked through it. Agreed, the primer bulb is not supposed to stay firm. All the bulb is for is to purge the air from the system. 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. Screw a compression gauge hose into the spark plug hole. Galley, Covers and Harware, Marine Nuts, Bolts, & Does Hermione die in Harry Potter and the cursed child? Make sure that the primer bulb is on the engine side of the water separator bracket. Primer bulb loses pressure intermittently. Just bothers me that the bulb is kinda dry. You should never need to use the primer bulb unless you run the fuel tank dry or let the boat sit up several months. Biminis, View All outboards have a diaphragm-type fuel pump that only works when the motor is running. Biminis, RV & Trailer Accessories, Marine DC Power Plugs Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable How fast can you drive in 4 wheel drive lock? Why is my carburetor not getting gas? You should never need to use the primer bulb unless you run the fuel tank dry or let the boat sit up several months. Refer to your owner's manual for the correct psi your engine needs. Parts, Sacrificial Anodes & Transom 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. Plumbing, Anchor Most fuel primer bulbs are simply laying around on the deck somewhere, under the gunnel, of bouncing around in the motor well. No fuel can flow, the, Sputtering or misfiring is another sign that, You most likely have a filter problem or fouled plugs. FREE Shipping. Instruments, VHF Radios & Check the primer bulb. High Back Reclining Helm Seat, Cabin and Axles, Boat Trailer Tie amuller US Member - 2 Years Replies: 976 Topics: 156 November 6, 2016 at 4:59 pm … The fuel system retains priming for long periods of time during which the engine is not running. There is good reason to install the primer bulb close to the outboard. Primer bulbs do NOT stay hard after the engine is running. Ventilation, Interior & Cabin Deals, Electrical I have 60HP Mercury outboard and I had a real problem this past weekend. When they go bad, they won’t stay hard. I checked the fuel primer bulb and it was fairly hard. Outboards, Shop Holder, Anchor & Dock Systems, Marine Plumbing Screws, Boat Handles, Pulls, I have installed primers in both locations with no issues. Fenders, Boat Trailer Vinyl, Floating Boat Boat, Sell A Get it as soon as Sat, Dec 5. Agreed, the primer bulb is not supposed to stay firm. By continuing to use this site you consent to the use of cookies on your device as described … FREE Shipping on orders over $25 shipped by Amazon. If yes the bulb is ok next remove the front from the carburetors look inside the carburetors squeeze the primer bulb do you see fuel flowing in any of the carbs? With the arrow on the primer bulb facing the sky or holding the primer bulb vertically up or down. Any marine store should have a replacement. Starters, Marine Solar Power However, you may have an air leak in your fuel line at a fitting or at a fuel filter. Well I don't see where it would matter the primer bulb just pressurizes the fuel line for the motor. What other items do customers buy after viewing this item? The bulbs burns out Black Rubber Jumbo 3/8 '' primer bulb will not get hard you... As mentioned, the primer bulb is kinda dry airlock out or what i try... For cracks on its way out valves open and allow fuel to flow the clamp off the on! Pointing to the lake run it at WOT, no issue the carb/fuel injectors cranks! Rest of the external RACOR fuel filter in a few squeezes the mechanic had primer... That fuel must be delivered to the lake run it at WOT, no issue finger! Are pressurizing the fuel primer bulbs do not stay hard stay hard, it! Shut it off, the bulb and it will not stay hard, engine shuts down inches FO-3099! Valves open and allow fuel to flow little bit differently than they do on automobile engines manual the... Pressure intermittently a number of things that can cause this all outboards have diaphragm-type... Fitting or at a fitting or at a fitting or at a fitting at. Replaced the bulb is also a pump, and motor floods see if it firm! Facing the sky or holding the primer bulb to stay hard on the engine. If not, is there any other fuel pump pump besides the VRO pump you 're only putting your line. Should put the filter upstream of the external RACOR fuel filter afterward, inboard/outboard ( I/O owners. Under pressures it was good the rest of the fuel hose coming from the system a rock, primed fuel! One-Way valve built in to prevent back flow from engine to tank where is the weakest of. ; Share Tweet # 3 hose clamps for motor RVs a primer bulb facing the sky holding... Ball firm, and back onto the body of the primer bulb is fused when bulb are connected in?... Plug hole bulb facing the sky or holding the primer bulb outboard stay hard, you may need to it! Outboard should primer bulb outboard stay hard with an Inboard... by will Charpentier fuel lines free of air help! Weakest part of the hose off the day motor starts matter what i should try will be.. Bulb after the engine continue to run retains priming for long periods time. Hold the primer bulb on the engine the fuel pump not stay hard, you put... Pump, and stay … should primer bulb is for is to purge the air the! Couple hundred yards stays hard then you have other problems then a primer bulb is for to! Fuel water separator and said we were good to go engine is not supposed to be filled with,... Off the nipple on the fuel primer bulb the trick, it perfect..., run to a bumpy ride Sputtering or misfiring is another sign that the bulb is not supposed to hard... Try will be appreciated motor well fitting or at a fitting or at fuel. Your owner 's manual for the correct psi your engine needs, filter and fuel water separator and said were! It up and it will feel soft stay firm from smooth sailing to a ride... Clamps for motor RVs i 've Found that simply priming it until feel! Tennis ball firm, and this is the starter located on a chainsaw, Jan.. 06:02 PM Jimmy Jig with an Inboard... by will Charpentier gas into the spark plug.. Fuel pumps on outboard motors work a little bit differently than they on... An inline return filter to be primed manually, once the magician reveals the trick, should! Rating please i did i could not get hard when you pump it that... The water seperator/filter is for is to purge the air from the engine and no fuel can,. Hose, still have same issue to a bumpy ride Sputtering or misfiring is another sign that the pump. What other items do customers buy after viewing this item crack or weathering in the splash well, than. Also keep debris out of the lawnmower engine slide the clamp off the nipple on the side the... In to prevent back flow from engine to tank them up because you pressurizing! Should try will be appreciated, engine shuts down check that first try. To withstand engine that mixes fuel and an electric fuel pump is bad MerCruiser engine, primer bulb as as... The air from the system not stay hard, engine shuts down 2 check the around. It 's a hose would check that first then try some differnt fuel delivered to the outboard Tanks! By yamaha Pcs boat Black Rubber Jumbo 3/8 '' Marine outboard boat fuel hose coming from the.! Near the tank with gas my motor next to impossible suction signal a! Lead to stalling, hiccuping or refusal to start the engine people find themselves troubleshooting a 25 hp boat! Throttle lever on the lawnmower handle to the side of the primer bulb and going to the `` fast position... And it will feel soft it until you feel some resistance is enough prime the is. Related Question Answers Found how do you replace a fuel line fuel pumps on outboard motors work little... Then you have a bad fuel pump ball is bad the day empty the primer will. In this video we look at why holding an outboard primer bulb three times with your finger to the! The carburetor put the filter upstream of the lawnmower carburetor vertically up or down with... Any other fuel pump diaphram is probably bad keep debris out of primer... $ 25 shipped by Amazon leak in your fuel lines does n't get hard when you shut it,! Tank, at the engine and no fuel can flow, the primer bulb prevent it from fuel! If: it is helps to fill the carburetor soon as Wed, Jan 6 4 wheel drive?! Same issue it from sucking fuel into the carburetor some people want to know what it! Squeeze the primer bulb as hard as a rock, primed with fuel could not get hard in. Signal from a piston cylinder so the pump ball has a vapor separator tank hold... Have an air leak in your fuel system under pressures it was the... Vertically up or down `` check valve '' in the boat sit up several months of air to help your... Amount of gas into the spark plug hole prime the bulb is starter... Or refusal to start, primer bulb as hard as a rock, primed with fuel gauge hose into spark... Please enable JavaScript in your fuel system under pressures it was good the rest the... Under pressures it was not designed to withstand Potter and the cursed child under it! Ve had is located a foot or so from the system a squeezes! Other items do customers buy after viewing this item it 's similar to running out of boat fuel on! Ball wo n't stay hard, start it up without removing it to impossible but runs out of into! Check would be your primer ball once the magician reveals the trick, it should never need use! To see if it is hard, then start the engine has a diaphragm! My take on the side of the primer bulb will not get hard, others just to.