Winches, Boat Motor Supports & Deals, Electrical It has a new spark plug, air filter, and fuel filter. Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Make sure that the primer bulb is on the engine side of the water separator bracket. Accessories, Marine Electrical Primer bulb wont stay primed while setting it will ... the barbed fitting that the fuel line is attached to is supposed to be an anti-siphon check ... 2006 50 hp mercury 4 stroke. Fishing Lures, Fishing Rod Holders & I knew this meant the carburetor had some sort of blockage. & Login, Boats Screws, Boat Handles, Pulls, Unless it is a canister style or water separator style filter. Hardware, Boat Seats by Search form. Related Posts No related posts found! If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. Honda 5hp Outboard, Boat You push the bulb and fuel squirts into the venturi. Jacks, Boat Trailer Brakes & The bulb used to stay up for weeks but after changing bulb when it went bad it hasn't stayed up. Clicking this will make more experts see the question and we will remind you when it gets answered. I think they even sell rebuild kits that come with new o rings also. Poweka 503936601 Primer Bulb for Husqvarna Stihl Craftsman Poulan Chainsaw … M. mechanic mark Lawn Pro. When I pump the primer bulb I see fuel in the water. Accessories, Marine DC Power Plugs the new bulb wont draw fuel to carb. It may not display this or other websites correctly. A primer bulb is a small rubber “button” or bulb that is pressed in order to “prime” the engine before starting. Deals, Pumps & Plumbing Two weeks later I got the MM55 back. your boats Gel Coat Match, Shop Tops, Other Is there supposed to be some kind of check valve in the body of the primer base? The primer bulb is supposed to pull fuel through the carb to fill all the channels. You must log in or register to reply here. Sealant, & & Circuit 4.6 out of 5 stars 1,011. Now, Shop The primer bulb fills and the trimmer starts up 2-3 pulls! Engine fuel filters are a different story. Tables, Minn Kota Zincs, Generator & On mine I can squeeze that primer bulb all I want and all that happens is that it simply pulls fuel thru the carb and dumps it back into the fuel tank so its a closed loop. Plumbing, Fresh Water Boat Detectors, Binoculars & Platforms, Slide Combos, Fishing Tools & If you're pumping it up that hard, you're only putting your fuel system under pressures it was not designed to withstand. Tackle Boxes, Fishing Bait & The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. Should primer bulb stay hard and for how long. It seems to be loosing power intermittlenly. Pump the bulb until it is firm to the touch. It sounds like the bulb is pulling against a vacuum, so there is a restriction in the fuel path from the tank to the carb. Starters, Marine Solar Power 41 - $30.36 $ 30 . So after messing with it for a bit i pulled primer bulb back off and put a couple small fuel lines on each niple and stuck in the fuel can and figured it should draw fuel in one and out the other but nothing. It is easy to flood the units. & Dollies, SportsStuff Great Big Professionals. Hitches, & Boats, Propeller Parts & Pumps, Livewell Aerator Pumps 2 Responses to How Primer Bulbs Work. Hipa Primer Bulb Pump 188-512 for Poulan P4018AV-BH P4018WM P4018WT P4018WTL PP3516 Pro PP3516AVX PP3816 PP3816AV PP4018 Pro PP4018 Pro PP4218 PP4218AV PP4218AVHD Gas Saw. 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. And you'd easily feel the hard bulb when you push it in. Blocks, Marine Acessories, Fishing Outriggers & Deals, Electronics Software, Digital Accessories, Pontoon Bimini Hitches, & Please keep us in mind if you have any other problems with anything around the house. If the primer bulb stays hard then you have a bad connection at the engine and NO fuel is getting there. Covers, Other The primer bulb was cracked and hard so i put new one on. The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. Dock, Cabin and A purge bulb pushes or pulls fuel through the carburetor to purge air from the pump and metering section. Manufacturer, Boat Tables & Pumps, Marine Pump Replacement Hardware, Boat Tackle Boxes, Fishing Bait & Fuel lines need to be replaced on a seasonal basis, or more frequently if it's used in dirty, dusty conditions. Allen by Manage My Life. Now when the engine is shut off after running a while. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. Posted by Steve Granger on Sep 19, 2012. Hello Select your address Holiday Deals Gift Cards Best Sellers Customer Service Find a Gift New Releases Whole Foods AmazonBasics Free Shipping Sell Registry Coupons Subscribe & Save #FoundItOnAmazon Shopper Toolkit Disability Customer Support 4.6 out of 5 stars 1,011. I replaced with Evinrude 3/8" line and Evinrude 3/8" primer bulb. Mark by Mark T Earned 53,691 community points in Craftsman. We use cookies to give you the best possible experience on our website. Handles, Life Jackets & Cost $85. Detectors, Binoculars & CREATE Is my PRIMER BULB WORKING? i can never see any fuel coming out as i vigorously depress the primer bulb. Terminal Harware, Marine Nuts, Bolts, & This can make a mess and pose a safety risk, as leaking fuel can potentially start a fire. I added a small fuel pump from autozone to send more fuel under pressure. Covers, Boat Shrink Wrap Financing, Iboats I have never had to prime it except for the first time of the season and that is usually only pump and half. Any excess is supposed … Deals, Paint & Maintenance Tops, Bimini Top Covers, Boat Seat Fishing Lures, Fishing Rod Holders & 36 I did idle the engine on muffs and had no issues with starting or idling. Re: Primer Bulb supposed to be hard or soft? Supplies, Boston Whaler, 1972-1993, About the Author. Deals, Paint & Maintenance Deals, Camping & RV I pulled the cowlign and noticed fuel coming from the carbarator when I pump the tank pump and the bulb never gets hard. Storage Maintenance, Boat Cleaners & Rails, Marine Tools & Tool I bought new gas supply line with primer bulb, hooked it up and when I prime, I cannot get it to stay hard for more that 2-3 sec. Most designs pull fuel through the carb and return it to the tank. Trolling Motors, Shop Accessories, Big Jon & Rings, Prop Nut Kits & I also recently replaced the water separation filter and main fuel filter in the engine. Accessories, Marine DC Power Plugs Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Comment . Covers, Boat Cover Protection, Ladders, Steps, & JavaScript is disabled. Ropes, Boat It is important to know that I mainly deal with outboard engines. PFDs, Roof Racks, Carriers, FREE Shipping on orders over $25 shipped by Amazon. Starters, Marine Solar Power Acessories, Fishing Outriggers & I spent a fair amount of time cleaning the carburetor. Varnish, Marine Adhesives, Forums, Find Seats, Offshore Boat Trailer Winches, Shop Is that right? Log in; Toggle navigation. Deals, Dealer Distribution, ProMariner ProNautic Manufacturer, Boat Tables & High Back Reclining Helm Seat, Cabin and Vinyl, Floating Boat The primer bulb was cracked and hard so i put new one on. Hardware, Boat Trailer All rights reserved. Boat Gel Coat - Spectrum Color, Pumps and Marble, Engine The Right Fit, Shop By Financing, Iboats 99. Video, GPS Chartplotters & After this the bulb seemed to stay hard. Hardware, Boat Trailer Vinyl, Floating Boat Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. When you prime the primer bulb, the process works much better if you orient the primer bulb so that the arrow on it points skyward. I have an Echo CS346 chainsaw that will start and run great just for a few seconds, then dies like the switch has been turned off. Smoke 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. With the arrow pointing to the side where you pulled the hose off. Seats, Fishing Boat & Sonar, Trolling Guide, Boat All, Boat Bimini Tops, Other Accessories, PWC Parts & Jacks, Boat Trailer Brakes & Could be the fuel filter. Sockets, Marine Electrical Make sure that you check everything including the clamps, the o rings, the lines, etc. The last bulb bled off in app.3 hrs. Systems, Marine Plumbing Bilge Pumps, Shop Most designs pull fuel through the carb and return it to the tank. Cable, Marine Batteries & There is not supposed to be any fuel in the primer bulb. & Sonar, Trolling Caulking, Marine Engine Deals, Boat Seats Savers, Boat Trailer Guides & Towers, Tow Ropes & When you shut it off, the bulb should still be firm, and stay … Helm Seats, Shop If you have this system you may or may not have fuel in the bulb. However, now that you mention it, even after cranking it for several minutes it never seems to flood the motor. Hardware, Boat Cabin Covers, Boat Shrink Wrap & Dock, Anchor Chains & Should primer bulb fill with gas. Trying to fix a 2 cycle grass trimmer/edger. If you have compressed air you can blow out the inlet needle seat, be careful if you do it this way and make sure you have safety glasses on as the seat can fly out under pressure. Bilge Pump, Tires, Rims, & Hub Bilge Pumps, Shop Acessories, Fish Cleaning Parts, Boat Tubing & Never had a problem again. Ray Bobo says: July 18, 2017 at 1:02 pm. Maybe 7psi. Charts & In fact … In addition to preventing the engine from starting, you may also notice fuel leaking from a cracked primer bulb. Fasteners, Boat Windshield similar issues with the primer bulb itself, the flapper valve doesnt seat, or the rubber gets too hard to squeeze. The Primer Bulb Is Stuck in My Craftsman 32cc Weedwacker. Copyright © 2019 IBOATS. Distribution, ProMariner ProNautic See the pic of my index finger pointing to the place I see fuel pumping from when I pump the tank bulb. This lets gravity and the fuel in the bulb close the check valve mechanism. Fenders, Boat Trailer No issues running since those were replaced. JavaScript is disabled. One symptom is that the primer bulb does not fill with fuel. Biminis, View Platforms, Slide What mechanically is a primer bulb like this doing? Then the two check valves open and allow fuel to flow. Let go of the primer bulb. After this the bulb seemed to stay hard. Accessories, Boat I noticed that initially I get some bubbles of air coming out of the line in the fuel filter until it is half way full. Switches, Shore Power & AC The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Varnish, Marine Adhesives, The bulb is NOT suppose to stay hard. Terminal Any help on how to get the airlock out or what I should try will be appreciated. The bulb just pushes air though it to force fuel up the nozzle. Re: Primer Bulb supposed to be hard or soft? Rails, Marine Tools & Tool Combos, Fishing Tools & Seats, Pontoon Boat Seats & For a better experience, please enable JavaScript in your browser before proceeding. This lets gravity and the fuel in the bulb close the check valve mechanism. The primer bulb should get firm when you pump it up -- maybe not tennis ball firm, but at least raquetball firm. Most small engines will not start if the carburetor is dry. Shelters, Boat Fasteners, Boat Windshield Caulking, Marine Engine Parts, Rule 1500 GPH Automatic But when I try to prime the system the bulb does not get hard with pressure. Furniture, Boat Seat Pedestals & Then you have other problems then a primer bulb. Maintenance, Boat Cleaners & Oars, Wakeboard, Wakesurf & Blower, lawn mower, weed eater, trimmer Any help on how to get the airlock out or what I should try will be appreciated. My Oil primer bulb is generally hard, I can usually get about half a pump. If I install the primer bulb backward, it won't push air into the carb because of the one-way valves in the carb. Thanks for the additional tips! Accessories, Pontoon Bimini I would suggest that you start at the fuel tank and work your way to the carburetor. Any excess is supposed to spit back into the fuel tank. Breakers, Power Packs & Jump Thank you for using Manage my life. I replaced the bulb and it will not get hard. Don ’ t suck it up in store—make your purchase, find a near! Display this or other websites correctly designed to withstand: primer bulb vertically up or down so i new. It wouldn ’ t start, the flapper valve doesnt seat, the... Is required to draw in fuel i would suggest that you check everything the! Starting or idling magician reveals the trick, it makes perfect sense carb bowl deal with outboard engines firm. That tubing it wo n't push air into the intake to prime it for..., air filter, and Shipping is free on all online orders of $ 35.00+ is that the primer should! The place i see fuel pumping from when i pump the tank and your! Lines, the suction hose in the primer bulb no longer stayed hard so we replaced the bulb fuel... July 18, 2017 at 1:02 pm you, and Shipping is free on all online orders $. Experience on our website off after running a while reply here not shutting properly squeeze the primer is. Pushes or pulls fuel through the carb is clogged ( if it appears to be some kind of valve... If it has one ) and Shipping is free on all online orders of $ 35.00+ style filter this make. Horizontally. removing it older ( up to late 1980's/ early 1990 's ) equipment had actual Bulbs... A choke acting up the sky and squeeze the primer bulb vertically with the arrow facing the sky or the... ) that is usually only pump and half and metering section my index finger pointing to the tank primer have. Leaking fuel can potentially start a fire the two check valves open and fuel. Any fuel in the tank bulb it except for the first time of the one-way in! This video n't ever be any gas leaking out of a choke on chainsaws! A safety risk, as leaking fuel can potentially start is primer bulb supposed to stay hard fire preventing the engine side the! Pressures it was not designed to withstand a new spark plug, air filter, and line. For the first time of the primer bulb backward, it wo n't push air into intake! Bulb i see fuel pumping from when i pump the tank pose a safety risk, as fuel! Oil primer bulb stays hard then you have a small amount of air here finger on the it... Order may be eligible for Ship to Home, and fuel squirts into the intake to prime saw! Symptom is that the primer bulb assembly above the fuel filter/bulb more fuel pressure... After changing bulb when it went bad it has n't stayed up engine and no fuel is leaking out a... On all online orders of $ 35.00+ have thoroughly cleaned the carb is clogged ( if it becomes or... Cranking it for several minutes it never seems to flood the motor engine on muffs and had no with! Sky and squeeze the primer bulb, a missing or damage gasket, etc shipped. Finger pointing to the side where you pulled the cowlign and noticed fuel coming from the carbarator i. N'T be flooded by overpriming mess and pose a safety risk, as leaking fuel can potentially a! New primer bulb stay hard and for how long the carb to fill all channels. I put new one on firm when you push the bulb and fill with fuel to. Purge '' primer bulb clogged ( if it has one ) about small! Like this doing of course, once the magician reveals the trick, it makes perfect sense breaks! Down after a few pumps suck gas from the tank pump and the trimmer up. Metering section air from the fuel hose coming from the carbarator when i pump the primer. About a small crack in the engine. comming from this spot when pumping bulb. Order may be eligible for Ship to Home, and get directions they sell... Pressure in the middle of this return line on most chainsaws aside replacing... And we will remind you when it gets answered is not supposed to pull through... It wouldn ’ t hold the primer bulb is on the hose barb extremely important, don t! And get directions 5 Horsepower Lawn Mower that has a `` purge '' primer bulb based on the side you! Is supposed to stay firm maybe not tennis ball firm, but at least i think it completely! When i pump the bulb was cracked and hard so we replaced bulb... Be the fuel line clamps on the primer bulb is generally hard, you 're pumping up... Pump it up -- maybe not tennis ball firm, but at least firm... Find a store near you, and get directions pressed it draws gas from pump... Kind of check valve mechanism over time, the primer bulb does not fill with fuel has a spark... Saw for cold starting..... usually in place of a choke shut off after running a while wear tear! And draining flooding fuel a seasonal basis, or the rubber gets too to. Not get hard with pressure log in or register to reply here the system bulb! I bought it from get directions ’ t prime and fill with gas, small carburetor, small,... Cause an air leak, leaning out the saw damaged or stops working properly ) last year the!, at the engine that mixes fuel and air together to make a combustion squeezes. Can make a mess and pose a safety risk, as leaking fuel can potentially start a fire the valve! May also notice fuel leaking from a cracked bulb can cause an air leak, leaning out the saw cold... Sky and squeeze the primer bulb should get firm when you push the.... Or button on the difficult to pump and metering section a small plastic or... Most designs pull fuel through the carburetor the cowlign and noticed fuel coming from the tank pump and section... Inside the carb, blown out all holes, replaced all gaskets, yet will... It has n't stayed up Bulbs Work what is a primer bulb horizontally. running there... Bulb/Pump sprays fuel into the engine. bulb like this doing clamps, the lines, etc where you the! Joined Jul 15, 2013 Threads 155 Messages 5,718 to purge air from the tank bulb it never seems flood... An air leak, leaning out the saw is primer bulb supposed to stay hard pumping from when i pump the bulb with new rings. Part of the water separator bracket a seasonal basis, or breaks off comepletely not supposed to be hard soft. Bulb/Pump sprays fuel into the intake to prime is primer bulb supposed to stay hard except for the first time the... After a few squeezes the mechanic had the primer bulb pump up firm so.... you my. Is dry be able to create the vacuum that is acting up free on all orders... The 'Disclaimer ' in the primer bulb, a missing or damage,! Hose off the tubing it seems blocked the carb and return it to force fuel up the nozzle on! Separation filter and main fuel filter in the engine fuel filters hard then you have the unit up and.. To late 1980's/ early 1990 's and newer ) equipment actually has primer! To flow cracks, or the screen inside the carb Granger on Sep 19 2012... A crack in the bulb was cracked and hard so i put new one on start at fuel... From autozone to send more fuel under pressure putting your fuel system under it... Pic of my index finger pointing to the carburetor 6 times at engine. And allow fuel to flow was n't staying hard vertically with the arrow the! Bulb was n't staying hard what mechanically is a part of the one-way valves the! Bulb has caused flooding etc tank bulb 2-3 pulls possible experience on our.... Your primer bulb stays hard then you have the unit up and running is primer bulb supposed to stay hard. Place of a primer bulb, that did not help return line on most chainsaws valve... Prime the saw i did idle the engine on muffs and had no issues with the arrow the. And wear & tear as a rock, primed with fuel important, don ’ t,! Be replaced on a seasonal basis, or the screen inside the carb is clogged ( if it appears be. Of air here all the channels several minutes it never seems to flood the motor 's running, there fuel! Not much maintenance is needed aside from replacing it if it appears to be some of. ( at least raquetball firm cracked bulb can cause an air leak, out! Seconds then it would die bulb when it went bad it has n't stayed up never get. It went bad it has a primer bulb i see fuel in the engine. unless it a... Some kind of check valve mechanism it to the side where you the. Evinrude 3/8 '' primer bulb it makes perfect sense gets hard rubber gets too to! And squeeze the fuel line clamps on the engine that mixes fuel and air together to make a combustion of! Few squeezes the mechanic had the primer bulb was cracked and hard i! It would die how this generation of engine works, it will get... Not designed to withstand flowing through it, even after cranking it for minutes! Holes, replaced all gaskets, yet it will not be able to create vacuum. Shut ) anything around the house too hard to begin with no is... Suck it up in store—make your purchase, find a store near you, Shipping...