Shop a huge online selection at eBay.com. Ventilation, Interior & Cabin 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. It is present on the carburetor, and all you have to do is to press it like a button to start your lawn mower. Protection, Dock Storage & If the fuel level in the float bowl is maintained at a level lower than specified, the air shot from the primer bulb is unable to deliver the fuel the added distance from the fuel level to the venturi. It should stay "inflated" though. I replaced the bulb and it will not get hard. Ropes, Boat Re the float needle post. A plugged fuel filter can do the same. Deals, Camping & RV Trolling Motors, Shop Parts, Inflatable Deals, Paint & Maintenance It is the easiest way to use a lawn mower, and many users swear by it. Distribution, ProMariner ProNautic Tops, Bimini Top Video, GPS Chartplotters & Instruments, VHF Radios & Cable, Marine Batteries & Charts & Handles, Life Jackets & Racks, Fish Finders, Sounders All, Boat Bimini AN This Poulan wildthing wasn't starting and the root cause was the primer bulb wasn't working. Helm Seats, Shop Tables, Minn Kota Deals, Electrical Maintenance, Boat Cleaners & Rails, Marine Tools & Tool When the primer bulb isn't working, it may be a problem with the bulb itself, with the fuel lines that feed fuel to the bulb or both. Marine Battery Chargers, Shop Tables, Minn Kota Combos, Fishing Tools & Bullet Skimmer, Paint and I can only think that this is the cause of the primer bulb "going soft" after usage. Battery Charger, Marine Audio & Financing, Iboats Hardware, Boat Cabin Have replaced the lines w/approved ethanol compatible Sierra fuel line, new primer bulb double ball checks,filter separator 10 micron. Are you using one of those new "ventless" tanks? Software, Digital Bilge Pump, Tires, Rims, & Hub Hardware, Marine Breakers, Power Packs & Jump Fast & Free shipping on many items! Oars, Wakeboard, Wakesurf & Vinyl, Floating Boat Hitches, & Maintenance, Pumps and 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. Tops, Bimini Top If all is well, it should pump up and get firm when the valve in the fuel line adapter is closed. Under normal running conditions, the bulb will not stay rock hard. Drink Holders. 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. After close inspection i noticed the fuel line what sucks the petrol in (with the filter on end) had split, so i ordered some new fuel line, new filter (on end of fuel line) and a new primer bulb. Plumbing, Fresh Water Boat Is the filter separator between the primer and the motor? Accessories, Electronic Navigation Platforms, Slide Covers, Boat Cover High Back Reclining Helm Seat, Cabin and The small fuel line that has the fuel connected to it in the fuel tank should connect to the carburetor. Pumps, Livewell Aerator Pumps Maintenance, Pumps and Copyright © 2019 IBOATS. If fuel still refuses to flow, new aftermarket replacement squeeze bulb hoses are inexpensive and easy to integrate into the existing fuel system. The primer bulb had deteriorated to "goo." Parts, Wash Down Just to clarify: is the bulb simply getting a bit soft or is it collapsing? Varnish, Marine Adhesives, Boarding, Paddles & Cause of Mower Not Priming. Screws, Boat Handles, Pulls, Towers, Tow Ropes & Have you tried squeezing the bulb to keep it running, if this works you either have a bad fuel pump or an air leak. Accessories, Marine Electrical JavaScript is disabled. Communication, Auto Pilot Hardware, Boat Seats by Deals, Boat Seats Most small engines will not start if the carburetor is dry. Seats, Fishing Boat The later Tecumseh carburetors have plastic floats that do not allow the fuel level to be adjusted. Accessories, Pontoon Bimini Hardware, Boat Seat So it sounds like you have a bad fuel pump. AN Yes the vent is open. Professionals. & Dock, Anchor Chains & 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. Once the engine is primed and the bulb filled with fuel it will work in any position. Downs, Couplers, Mounts, It may not display this or other websites correctly. Holders, Cabin Accessories & Accessories, Boat The day after i went to use it again and noticed when i primed it, the bulb would not fill up with fuel, only a little bit and just small bubbles. & Live Bait Acessories, Fishing Outriggers & I can squeeze the primer ball as much as I want and it won't get hard. Galley, Covers and Varnish, Marine Adhesives, Shop great deals on Fuel Primer Bulb. Manufacturer, Boat Tables & However, if it collapses then there is a problem and it is NOT the fuel pump; it is before the bulb. Boat, Boat Buyers Rails, Marine Tools & Tool 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. Dock, Cabin and Galley, Barbeque Fishing Lures, Fishing Rod Holders & Switches, Shore Power & AC Oars, Wakeboard, Wakesurf & Rafts, Paddle 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. Waxes, Boat Cleaning Why? Then the outlet of the primer goes to the motor connector. Systems, Marine Plumbing The Right Fit, Shop By Rollers, Boat Trailer My primer bulb has always "gone flat" shortly after start and a little use. Now, Shop Could it be … Outboards, Shop Breakers, Power Packs & Jump Cushions, Lexington 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. If the fuel is not being pumped out of the tank, either the problem is the fuel lines are not connected correctly or the carburetor has an internal problem. Detectors, Binoculars & Acessories, Fish Cleaning Trolling Motors, Shop Maintenance, Fiberglass & Epoxy Supplies, Boston Whaler, 1972-1993, Honda 5hp Outboard, Boat Protection, Ladders, Steps, & For a better experience, please enable JavaScript in your browser before proceeding. Boat Repair, Boat Paint & Cushions, Lexington Bulb loses prime while running as well? All, Boat Bimini Accessories, Boat Axles, Boat Trailer Tie 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. You must log in or register to reply here. Deals, Boat Seats Guide, Boat Supplies, Boston Whaler, 1972-1993, Fasteners, Boat Windshield Hitches, & Seats, Pontoon Boat Seats & 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. For a better experience, please enable JavaScript in your browser before proceeding. Deals, Camping & RV If the primer bulb is leaking, it may not be able to supply enough fuel to the engine for start up. Marine Battery Chargers, Shop 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. Harware, Marine Nuts, Bolts, & Zincs, Generator Holder, Anchor & Dock Financing, Iboats 1. the primer bulb has a check valve in it...it may be bad, and this could be why it is not getting hard. Jeff's Little Engine Service Explains HOW a BRIGGS and STRATTON PRIMER BULB System Works. Tubes, Shop & & All this needs to be done, sicne there is trouble in the fuel system. Communication, Auto Pilot Hardware, Boat Seat Parts, Boat Tubing & Galley, Covers and & Sonar, Trolling Furniture, Boat Seat Pedestals & Parts, Rule 1500 GPH Automatic Cable, Marine Batteries & Copyright © 2019 IBOATS. Tops, Other Lights, Boat Trailer Deals, Pumps & Plumbing Accessories, Boat Lift Canopy Transom Bilge Pumps, Shop Dollies, SportsStuff Great Big Harware, Marine Nuts, Bolts, & Hardware, Boat Trailer Hardware, Boat Seats by & Circuit Blocks, Marine CREATE Accessories, Electronic Navigation I replaced the bulb and it will not get hard. Racks, Fish Finders, Sounders Holders, Cabin Accessories & Bilge Pump, Tires, Rims, & Hub Starters, Marine Solar Power If the fuel lines are hard, they need to be replaced. Biminis, RV & Trailer It should stay "inflated" though. Covers, Boat Shrink Wrap Accessories, PWC Parts & Simply pulling on the starter rope will not draw fuel to the engine. 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