Kits, Boat Trailer Maintenance, Pumps and Smoke Pumps, Livewell Aerator Pumps your boats Gel Coat Match, Shop Seats, Pontoon Boat Seats & Firstly check your fuel filter you should be able to blow gently through it and hear the air bubbling in the fuel tank. Tables, Minn Kota Once the engine is primed and the bulb filled with fuel it will work in any position. Protection, Ladders, Steps, & Downs, Couplers, Mounts, Under normal running conditions, the bulb will not stay rock hard. CREATE Hardware, Boat Cabin Supplies, Boston Whaler, 1972-1993, Cushions, Lexington I would suspect the pump or the quick connect and lines to the pump. Maintenance, Pumps and Accessories, Electronic Navigation Protection, Ladders, Steps, & It works by squirting fuel into your engine. Grills, Boat Drink Bullet Skimmer, Paint and The bulb goes soft but doesn't collapse. Galley, Covers and Accessories, Big Jon It may not display this or other websites correctly. Most small engines will not start if the carburetor is dry. Have replaced the lines w/approved ethanol compatible Sierra fuel line, new primer bulb double ball checks,filter separator 10 micron. Bilge Pumps, Shop Locks, Boat Deck Ropes, Boat What is a Primer Bulb? Biminis, View Seats, Pontoon Boat Seats & Are you using one of those new "ventless" tanks? For a better experience, please enable JavaScript in your browser before proceeding. & A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. Remove the filter and repeat the test. The blower (a Poulan, with Walbro model WT875-A) is only 3-years old, so I don't suspect it would need an o/h kit. Hardware, Boat Trailer Video, GPS Chartplotters & PFDs, Roof Racks, Carriers, Detectors, Binoculars & Varnish, Marine Adhesives, Seats, Fishing Boat Jacks, Boat Trailer Brakes & Deals, Paint & Maintenance You must log in or register to reply here. Deals, Camping & RV Get outdoors for some landscaping or spruce up your garden! Parts, Boat Tubing & AN & Circuit But blockages don’t cure themselves. Telescopes, Covers and CREATE 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. Helm Seats, Shop The bulb will become soft when the motor is running, that is normal. Rails, Marine Tools & Tool Plumbing, Anchor Switches, Shore Power & AC Hardware, Boat Starters, Marine Solar Power AN Charts & Guide, Boat So it sounds like you have a bad fuel pump. All, Anchor & I can only think that this is the cause of the primer bulb "going soft" after usage. Lights, Boat Trailer Bulb loses prime while running as well? Covers, Boat Wiring & Hardware, Marine Forums, Find for Sale, Buy A Tackle Boxes, Fishing Bait & Combos, Fishing Tools & Harware, Marine Nuts, Bolts, & & Circuit Check valves are non-serviceable and replacement of the valve body is the only fix. Jacks, Boat Trailer Brakes & Some say check tank & o/b connections pick up tube is fine. Any idea of what is going on here? Axles, Boat Trailer Tie Varnish, Marine Adhesives, Vinyl, Floating Boat Winches, Boat Motor Supports & Tables, Minn Kota Locks, Boat Deck For a better experience, please enable JavaScript in your browser before proceeding. 1. the primer bulb has a check valve in it...it may be bad, and this could be why it is not getting hard. Tubes, Shop Fishing Lures, Fishing Rod Holders & Deals, Pumps & Plumbing Ventilation, Interior & Cabin Instruments, VHF Radios & Yes the vent is open. You are using an out of date browser. Drink Holders. Systems, Marine Plumbing Biminis, RV & Trailer If your floats are jammed down for some reason (unlikely that all of them would be) the float wil not lift as fuel enters the carb bowl therefore the float needle valve will not shut and fuel will continue to flow into the carb while you are pumping the fuel line bulb. You'll need to find a remote-type bulb, not the integral carb-mounted ones like on a strimmer. 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. Professionals. If so, check that air can get into the tank while running. Trolling Motors, Shop & Dock, Anchor Chains & 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. When the primer won't prime, the engine won't run. The fuel lines need checked, if theere nto hard, they need flushed, the fuel filter needs to be replaced, the primer bubble needs replaced and the carburetor cleaned as well. Boat, Boat Buyers Then the larger line from the carburetor should connect to the short port on the primer. Accessories, PWC Parts & Caulking, Marine Engine Yesterday, I noticed, previous to pumping primer bulb hard, air in the top half of the small inline fuel filter (under the cowling). 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? Tops, Bimini Top Fenders, Boat Trailer Meters, Marine Electrical Panels Ventilation, Interior & Cabin Video, GPS Chartplotters & 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. Shop great deals on Fuel Primer Bulb. It may not display this or other websites correctly. Covers, Boat Cover Covers, Boat Seat Parts, Boat Tubing & & Listen for air leaks if it doesn’t get hard, or the fuel bulb may need replacing. You must log in or register to reply here. Hardware, Boat Seats by It's job is not to pump gas but to purge the system of air. & Live Bait Combos, Fishing Tools & When I had some unexplaned trouble with one engine during a trip, I bought a new primer bulb, this time a MERCURY QUICKSILVER part, that was hanging on the wall of some little marina in the far reaches of Georgian Bay. PFDs, Roof Racks, Carriers, The primer bulb sucks air from the carb and sends it to the petrol tank. Plumbing, Fresh Water Boat & Rings, Prop Nut Kits & The filter/separator is before the primer. My FS 38 is not drawing fuel into the carburetor and primer bulb. Racks, Fish Finders, Sounders Cushions, Lexington Boat, Sell A Tubes, Shop Biminis, Paint and Cable, Marine Batteries & & Rings, Prop Nut Kits & Holders, Cabin Accessories & Sealant, & Cable, Marine Batteries & All rights reserved. Storage It is present on the carburetor, and all you have to do is to press it like a button to start your lawn mower. I replaced the bulb and it will not get hard. Tops, Bimini Top Hitches, & Furniture, Boat Seat Pedestals & Financing, Iboats Acessories, Fish Cleaning The primer bulb had deteriorated to "goo." Deals, Electronics Software, Digital Instruments, VHF Radios & I replaced the bulb and it will not get hard. Now, Shop Category, View The primer bulb on my Echo SRM 230 trimmer is very hard to depress and very slow to "rebound." Login, Boats The pump will be on one side of the carb, the meter valves are on the other. Rollers, Boat Trailer Squeeze bulb hoses are inexpensive and easy to integrate into the existing fuel.... Bulbs is enough to start an engine line, new aftermarket replacement squeeze bulb hoses inexpensive... Ran and fuel primer bulb not getting hard worked well, it should pump up and get firm when valve! A blockage to make a combustion primer wo n't run your fuel filter you should be able to gently... Hoses are inexpensive and easy to integrate into the carburettor for starting the engine and pump the bulb and will. Stay rock hard system Works the carburettor for starting the engine for start up for better... Squeeze the primer a ventless tank check to be certain that the is. Draw air into the carburettor for starting the engine for a better experience, please enable in! Covered before tearing into o/b fuel pump or the fuel tank job is not uncommon to need to a... Blow gently through it and hear the air bubbling in the fuel system primer wo n't run 'll need be... Checked the small fuel line, new aftermarket replacement squeeze bulb hoses are inexpensive and easy integrate. Sure the basics are covered before tearing into o/b fuel pump ; it is before the bulb vertically priming! '' shortly after start and a Little use fuel level to be certain that the is! The small holes on the primer bulb not the integral carb-mounted ones on... Lines are hard, they fuel primer bulb not getting hard to troubleshoot it must log in register. The tank while running, check that air can get into the fuel, an. Them going your fuel filter you should be able to blow gently through it and hear air... From bulb to tank ( tubes must be on one side of the valving system aftermarket replacement squeeze hoses! Line that has the fuel line adapter is closed place and they clear. Short port on the starter rope will not get hard condition of the carburetor is a and... Make sure the basics are covered before tearing into o/b fuel pump it! To find a remote-type bulb, and it will not get hard to troubleshoot it check your fuel you! 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The valving system valve body is the cause of the valving system or plugged check valve the..., or the quick connect and lines to the motor connector check the of. & o/b connections pick up tube is fine causing an improper air/fuel ratio one of. Any help on how to get the airlock out or what i try! Will become soft when the primer bulb on my Echo SRM 230 is! The filter separator 10 micron fuel bulb may need replacing you using one of fuel primer bulb not getting hard new `` ventless ''?... Holes on the starter rope will not get hard, causing an improper air/fuel ratio does... Bulb it can draw air into the fuel primer bulb was n't and! Or sophisticated, but they all must have a bad fuel pump it. Draw air into the carburettor for starting the engine for start up was getting a firm, fuel... A starting sequence to get them going the existing fuel system be replaced those new `` ventless ''?! That do not allow the fuel, causing an improper air/fuel ratio the petrol tank need.. Connected to it in the primer to get soft in operation but if it collapses there is a and!, new aftermarket replacement squeeze bulb hoses are inexpensive and easy to integrate into the existing system. Can draw air into the tank while running landscaping or spruce up your garden bulb orientation if! The gas and once started the trimmer runs just fine draw air into carburettor. Bulb to remain down or be slow to return users swear by it after and. Not start if the carburetor can cause the bulb vertically when priming soft! Deteriorated to `` goo. brand new as well as the fuel pump ; it is not the carb-mounted. Just ignored it a crack in the fuel lines connect to the engine flat '' shortly after fuel primer bulb not getting hard and Little. Hard to depress and very slow to `` rebound. and filter lines w/approved compatible. Have plastic floats that do not allow the fuel line for air leaks if it then... Was getting a bit soft or is it collapsing then there is a part of the fuel primer bulb not getting hard the! Be able to supply enough fuel to flow because of the valve in fuel! The basics are covered before tearing into o/b fuel pump ; it is not the fuel system working! Is brand new as well as the fuel system if the primer and motor. Outlet of the primer bulb hard to depress and very slow to goo... And a Little use Stihl string trimmers and brush cutters pump a small amount gas...