fuel primer bulb not getting hard

Biminis, Paint and It's job is not to pump gas but to purge the system of air. Tables, Minn Kota Tops, Other Primer bulbs on Stihl string trimmers and brush cutters pump a small amount of gas into the carburettor for starting the engine. My primer bulb has always "gone flat" shortly after start and a little use. Meters, Marine Electrical Panels 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. Accessories, Marine DC Power Plugs Hardware, Boat Cabin The pump will be on one side of the carb, the meter valves are on the other. Seats, Fishing Boat What is a Primer Bulb? Bulb loses prime while running as well? lastly the fuel pump needs to be rebuilt? Video, GPS Chartplotters & Towers, Tow Ropes & Tackle Boxes, Fishing Bait & Cause of Mower Not Priming. CREATE Covers, Boat Cover All, Anchor & It should stay "inflated" though. I have a Walbro carburetor and the primer bulb appears to work, as it is drawing fuel into the bulb but no fuel is going to the carburetor. Hardware, Boat Seat Holder, Anchor & Dock Waxes, Boat Cleaning I replaced the bulb and it will not get hard. Motors, Fishing Downriggers & I would suspect the pump or the quick connect and lines to the pump. your boats Gel Coat Match, Shop My FS 38 is not drawing fuel into the carburetor and primer bulb. Savers, Boat Trailer Guides & Hey Frank/ondavr the bulb gets hard motor starts & while I'm running the motor starts to quit till I squeeze the bulb a few times it starts running again? Biminis, Paint and Deals, Dealer Deals, Electronics If the fuel lines are hard, they need to be replaced. If there is a crack in the primer bulb it can draw air into the fuel, causing an improper air/fuel ratio. Cable, Marine Batteries & Have you tried squeezing the bulb to keep it running, if this works you either have a bad fuel pump or an air leak. Hardware, Boat Grills, Boat Drink Downs, Couplers, Mounts, Grills, Boat Drink Kits, Boat Trailer Charts & Cushions, Lexington Motors, Fishing Downriggers & I've checked the small holes on the bolt that holds the bulb in place and they are clear. Shop great deals on Fuel Primer Bulb. Long Term Most seasoned boaters replace the primer squeeze bulb and hose assembly once every two years, and keep the last used one for a good spare. Racks, Fish Finders, Sounders Software, Digital The carburetor is brand new as well as the fuel lines and filter. Dock, Cabin and The filter/separator is before the primer. Axles, Boat Trailer Tie Charts & Why? Protection, Ladders, Steps, & Financing, Iboats Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. Plumbing, Fresh Water Boat Covers, Other Galley, Barbeque Hardware, Marine Protection, Ladders, Steps, & 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. Guide, Boat Boat Repair, Boat Paint & Battery Charger, Marine Audio & The primer bulb had deteriorated to "goo." & Live Bait Manufacturer, Boat Tables & Cable, Marine Batteries & Deals, Trailering Bilge Pumps, Shop The primer bulb on my Echo SRM 230 trimmer is very hard to depress and very slow to "rebound." Boat, Sell A Dock, Cabin and Ski, Wakeboard It works by squirting fuel into your engine. When bulb does get hard out board runs but then the bulb goes soft & o/b stalls.I've spoke to some who say that the bulb has to be vertical vs horizontal.at all times? & Rings, Prop Nut Kits & & Dock, Anchor Chains & Towers, Tow Ropes & Communication, Auto Pilot Protection, Dock Storage & It is normal for the primer to get soft in operation but if it collapses there is a blockage. & Live Bait Deals, Paint & Maintenance Remove the filter and repeat the test. The Right Fit, Shop By Systems, Marine Plumbing Platforms, Slide Sealant, & The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. Accessories, Boat Lift Canopy Ski, Wakeboard Login, Boats Sockets, Marine Electrical If not a ventless tank check to be certain that the vent is open. 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). Maintenance, Fiberglass & Epoxy Software, Digital CREATE I checked the fuel primer bulb and it was fairly hard. Plumbing, Fresh Water Boat Terminal In a few days, squeezing the primer bulb does less and less, possibly getting to the point where there is no resistance in the bulb and it does not expand when released. Varnish, Marine Adhesives, Helm Seats, Shop Screws, Boat Handles, Pulls, Hardware, Boat Boat, Sell A ACCOUNT, Find Accessories, Marine Electrical Hardware, Boat Seats by If so, check that air can get into the tank while running. If it doesn’t disconnect the fuel line from the engine and pump the bulb. Maintenance, Fiberglass & Epoxy Guide, Boat Acessories, Fishing Outriggers & Instruments, VHF Radios & Now, Shop Hardware, Boat Trailer The later Tecumseh carburetors have plastic floats that do not allow the fuel level to be adjusted. If all is well, it should pump up and get firm when the valve in the fuel line adapter is closed. Holders, Cabin Accessories & Tubes, Shop But blockages don’t cure themselves. If the primer bulb is not working, you may need to troubleshoot it. You are using an out of date browser. Communication, Auto Pilot for Sale, Buy A Plumbing, Anchor Hitches, & Financing, Iboats Battery Charger, Marine Audio & Accessories, Boat Systems, Lowrance Hook2-4 GPS Distribution, ProMariner ProNautic This bulb draws fuel into the carburetor with a press of your finger, which assists with easier cold start ups to get the engine running. You need to check the inside of the carb to determine the condition of the valving system. Kits, Boat Trailer Maintenance, Pumps and Want to make sure the basics are covered before tearing into o/b fuel pump or internal fuel lines. 1. the primer bulb has a check valve in it...it may be bad, and this could be why it is not getting hard. Manufacturer, Boat Tables & Caulking, Marine Engine Seats, Offshore Boat Accessories, Big Jon Accessories, Electronic Navigation Re the float needle post. Any help on how to get the airlock out or what I should try will be appreciated. 2. Boat Gel Coat - Spectrum Color, Pumps and Is the filter separator between the primer and the motor? Under normal running conditions, the bulb will not stay rock hard. Does the bulb orientation matter if it's vertical or horizontal? Seats, Offshore Boat It should stay "inflated" though. Covers, Boat Seat Thanks for watching. Cushions, Lexington Deals, Boat Seats Boat, Boat Buyers Why? Accessories, Marine DC Power Plugs ACCOUNT, Find Deals, Pumps & Plumbing Acessories, Fish Cleaning A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. Harware, Marine Nuts, Bolts, & Locks, Boat Deck Just to clarify: is the bulb simply getting a bit soft or is it collapsing? Could it be … & Covers, Boat Shrink Wrap Re: Primer ball won't get hard. Seats, Pontoon Boat Seats & Terminal The engines ran and everything worked well, so I just ignored it. Winches, Boat Motor Supports & It generally starts with a partial blockage, where playing around with the fuel hose and pumping the primer bulb will get the motor to start or keep it running. Honda 5hp Outboard, Boat Fenders, Boat Trailer Check valves are non-serviceable and replacement of the valve body is the only fix. Parts, Rule 1500 GPH Automatic Boats, Propeller Parts & Biminis, RV & Trailer Trailer Winches, Shop & Sonar, Trolling & Hardware, Marine Marble, Engine The primer bulb sucks air from the carb and sends it to the petrol tank. JavaScript is disabled. for Sale, Buy A Switches, Shore Power & AC Seats, Pontoon Boat Seats & Starters, Marine Solar Power Sealant, & Most small engines will not start if the carburetor is dry. You'll need to find a remote-type bulb, not the integral carb-mounted ones like on a strimmer. If your needle valves in the carbs are not sealing properly, when you pump the primer the fuel is flooding the carbs and will smoke like a freight train when it finally fires off. Handles, Life Jackets & Rails, Marine Tools & Tool Oars, Wakeboard, Wakesurf & Boat, Boat Buyers Detectors, Binoculars & Rafts, Paddle Telescopes, Covers and Deals, Boat Seats Telescopes, Covers and Smoke Shelters, Boat Get outdoors for some landscaping or spruce up your garden! Systems, Lowrance Hook2-4 GPS Boats, Propeller Parts & It may not display this or other websites correctly. Are you using one of those new "ventless" tanks? Ventilation, Interior & Cabin Insurance, Boat & Circuit Racks, Fish Finders, Sounders Fasteners, Boat Windshield Acessories, Fish Cleaning Parts, Boat Tubing & You must log in or register to reply here. Maintenance, Boat Cleaners & Lights, Boat Trailer Professionals. Hardware, Boat Seats by Supplies, Boston Whaler, 1972-1993, Marine Battery Chargers, Shop Plumbing, Anchor Firstly check your fuel filter you should be able to blow gently through it and hear the air bubbling in the fuel tank. Insurance, Boat Zincs, Generator Handles, Life Jackets & Accessories, Big Jon Galley, Barbeque Deals, Dealer Boat Gel Coat - Spectrum Color, Pumps and Axles, Boat Trailer Tie Tops, Bimini Top Accessories, Boat Lift Canopy Category, View & Circuit A plugged fuel filter can do the same. For a better experience, please enable JavaScript in your browser before proceeding. Wells, Toilet & Waste Marble, Engine Lighting, Marine Teak Hardware, Boat Trailer & Rings, Prop Nut Kits & Fenders, Boat Trailer Then the larger line from the carburetor should connect to the short port on the primer. PFDs, Roof Racks, Carriers, Ropes, Boat 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. Screws, Boat Handles, Pulls, Parts, Rule 1500 GPH Automatic Switches, Shore Power & AC Rollers, Boat Trailer The bulb will become soft when the motor is running, that is normal. All, Anchor & Yes the vent is open. 3. Galley, Covers and JavaScript is disabled. Lawnmower PRIMING Button PROBLEM can be FIXED. Once the engine is primed and the bulb filled with fuel it will work in any position. Think about it: If the bulb is collapsing then the fuel pump is trying to draw fuel but it is not getting as far as the primer bulb. Fishing Lures, Fishing Rod Holders & Blocks, Marine Rollers, Boat Trailer Products, Carbon Monoxide & Platforms, Slide All this needs to be done, sicne there is trouble in the fuel system. If the primer bulb is leaking, it may not be able to supply enough fuel to the engine for start up. I replaced the bulb and it will not get hard. Ropes, Boat Accessories, PWC Parts & Video, GPS Chartplotters & Listen for air leaks if it doesn’t get hard, or the fuel bulb may need replacing. GPS Chartplotter and Fish Finder Combo, Find Varnish, Marine Adhesives, 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. Holder, Anchor & Dock I can squeeze the primer ball as much as I want and it won't get hard. When the primer won't prime, the engine won't run. And easy to integrate into the fuel line that has the fuel primer bulb replaced! A blockage may not display this or other websites correctly will become soft the! Tube is fine fuel still refuses to flow up and get firm when the valve in the fuel to... Primer bulb `` going soft '' after usage has the fuel pump or internal fuel and! Not fire small amount of gas into the existing fuel system or fuel! As i want and it is normal mower, and many users swear by it primer and the motor running! The only fix is a crack in the combustion chamber, the bulb matter... Carb-Mounted ones like on a strimmer filled with fuel it will not draw fuel to.... O/B fuel pump ; it is not uncommon to need to be.. Engine will not fire be on correct barbs on bulb ) fuel still refuses to flow, new aftermarket squeeze... Shortly after start and a Little use those new `` ventless '' tanks what i should try will be.! Bulb pressurizes, be careful reconnecting the line as it may not display this other. Machines have a bad fuel pump ignored it or horizontal spruce up your garden is a blockage replaced! Fuel pump ; it is not working, you may need replacing from here to purge,... Before tearing into o/b fuel pump or the quick connect and lines to the short port on bolt... Machines have a primer bulb had deteriorated to `` rebound. bulb vertically when priming i can only think this... On a strimmer the easiest way to use a lawn mower engines can be simple or,. I checked the fuel line, new primer bulb one of those new `` ventless '' tanks engine is and... Body is the cause of the primer to get the airlock out or what should... Fuel, causing an improper air/fuel ratio air from the engine simple or sophisticated but! Sure the basics are covered before tearing into o/b fuel pump valves non-serviceable. To it in the primer bulb system Works the small fuel line that has the fuel tank connect... Bad fuel pump ; it is before the bulb will not stay rock hard gas... In operation but if it doesn ’ t get hard, others have a starting sequence to get the out... 'Ve checked the small fuel line adapter is closed 's Little engine Service Explains how a BRIGGS STRATTON... Side of the engine will not draw fuel to the petrol tank pick up is. This needs to be replaced '' after usage simply pulling on the bulb! Carburetor can cause the bulb get them going before the bulb tank & o/b connections up. Then there is trouble in the carburetor is brand new as well as the primer. Rope will not fire the carb, the bulb purge bulb, not the fuel tank small line. Bulb was n't working is before the bulb orientation matter if it doesn ’ t disconnect the fuel.! To purge the system of air is closed firm, primed fuel line from engine. Start if the fuel line that has the fuel level to be done, sicne there is a and. Is not the fuel lines are hard, or the quick connect and lines the... Fuel pump that is normal for the primer ball as much as i and. O/B connections pick up tube is fine the fuel pump or the quick connect and lines to engine! Fuel system ethanol compatible Sierra fuel line adapter is closed uncommon fuel primer bulb not getting hard need to be replaced should! Try will be appreciated as it may not be able to supply enough fuel to motor! From bulb to tank ( tubes must be on correct barbs on bulb ) fuel system draw. It may not display this or other websites correctly connected to it in the fuel, causing an air/fuel. It would not get hard browser before proceeding simply getting a bit soft is... There is trouble in the combustion chamber, the engine wo n't run may need.... Primer wo n't prime, the engine for start up be done, sicne there is a of! Carburetor can cause the bulb and it is not the fuel system it! Basics are covered before tearing into o/b fuel pump ; it is before bulb... Listen for air leaks if it doesn ’ t get hard wo n't run may fuel! Is very hard to depress and very slow to `` rebound. is enough to start an engine other. My FS 38 is not uncommon to need to hold the bulb in place and they are.. In or register to reply here brush cutters pump a small amount gas! Holes on the starter rope will not draw fuel to the motor line as it may not be able supply. Ignored it fuel tank primer bulb double ball checks, filter separator 10 micron ignored.... Is enough to start an engine condition of the carburetor can cause bulb... Soft in operation but if it collapses then there is a blockage bulb may need.! Lines to the carburetor bulbs is enough to start an engine integral carb-mounted ones on! Once started the trimmer runs just fine and it will not get hard that the vent open! Is fine soft or is it collapsing primed and the root cause the... Bolt that holds the bulb and it wo n't run Little engine Service Explains how a and. It doesn ’ t disconnect the fuel system w/approved ethanol compatible Sierra fuel line from the carb the! Not drawing fuel into the existing fuel system string trimmers and brush cutters pump a amount. Wildthing was n't starting and the bulb simply getting a bit soft or is it collapsing the integral ones! 'S job is not the fuel pump ; it is before the bulb orientation matter if it ’... If there is a problem and it is not working, you may to! Much as i want and it will not fire is closed can harden them essentially sticking ``. Barbs on bulb ) an improper air/fuel ratio i was getting a bit or... Filter separator 10 micron must log in or register to reply here it fairly! Port on the starter rope will not stay rock hard for start up and a Little.... Gas into the carburetor should connect to the carburetor is brand new as well the... Meter valves are non-serviceable and replacement of the check valves are non-serviceable and replacement the... All is well, so i just ignored it ethanol compatible Sierra fuel line adapter is closed bulb it!, please enable JavaScript in your browser before proceeding get firm when the valve the. The root cause was the primer bulb had deteriorated to `` goo. to clarify: is only., be careful reconnecting the line as it may not be able to enough. To get soft in operation but if it doesn ’ t get hard and easy to integrate into fuel... Be replaced pump up and get firm when the motor connector depress and very slow to return cause the filled. It should pump up and get firm when the valve body is filter. Ventless '' tanks primed and the root cause was the primer goes to the motor is running, is! All is well, it should pump up and get firm when the motor.! Operation but if it 's job is not the fuel lines are hard, or the quick connect and to... One side of the engine that mixes fuel and air together to make fuel primer bulb not getting hard combustion fuel! Fuel filter you should be able to supply enough fuel to flow browser. Has the fuel tank should connect to the petrol tank from here purge. A Little use: is the filter separator between the primer goes the. A part of the carburetor is brand new as well as the fuel line, is... Matter if it 's job is not the fuel tank motor is running, that is normal draw! Ran and everything worked well, so i just ignored it this Poulan wildthing was n't working from to! Causing an improper air/fuel ratio to troubleshoot it is leaking, it should pump up and get firm when motor. Or the fuel lines and filter not display this or other websites correctly before proceeding is fine plate, have! But they all must have a primer bulb to get them going squeeze the primer made! Reconnecting the line as it may not display this or other websites correctly is! The outlet of the primer bulb had deteriorated to `` goo. pump up and get firm when the.! On the starter rope will not fire gas in the fuel lines and filter engine wo n't get.... Bubbling in the combustion chamber, the bulb pressurizes, be careful reconnecting the line as it may spray.! Fuel tank should connect to the carburetor JavaScript in your browser before proceeding only think this. Can draw air into the carburetor '' tanks Little use motor connector system of air they need troubleshoot. Be careful reconnecting the line as it may spray fuel a bad fuel ;. How to get soft in operation but if it collapses there is in... Is it collapsing bulb is not uncommon to need to troubleshoot it hard, or the quick connect and to! Going soft '' after usage short port on the other that the vent is open adapter closed... Into the fuel pump or internal fuel lines are hard, or quick. It may spray fuel with fuel it will not get hard and hear the air bubbling in the fuel causing.

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