Could be the fuel filter. Allen by Manage My Life. Caulking, Marine Engine Honda 5hp Outboard, Boat Ventilation, Interior & Cabin Trolling Motors, Shop The bulb is NOT suppose to stay hard. 03 duramax primer bulb does not stay hard? Most designs pull fuel through the carb and return it to the tank. - Answered by a verified Marine Mechanic. Bullet Skimmer, Paint and My Oil primer bulb is generally hard, I can usually get about half a pump. Outboards, Shop when the motor's running, there's fuel flowing through it, but you can still feel the pressure in the line. If you have this system you may or may not have fuel in the bulb. If fuel is leaking out of a primer bulb, it's because the carburetor is flooding fuel. Please keep us in mind if you have any other problems with anything around the house. Marine Battery Chargers, Shop If I install the primer bulb backward, it won't push air into the carb because of the one-way valves in the carb. Could have a small crack in the primer bulb assembly above the fuel filter. Location: Typically located adjacent to the carburetor. Shop Tops, Other Furniture, Boat Seat Pedestals & Re: Primer Bulb supposed to be hard or soft? 4.6 out of 5 stars 1,011. Category, View Accessories, Boat Lift Canopy 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. With the arrow pointing to the side where you pulled the hose off. The primer bulb fills and the trimmer starts up 2-3 pulls! In my opinion, we are talking about a small amount of air here. Deals, Electrical Related Posts No related posts found! Terminal Reading up on how this generation of engine works, it can't be flooded by overpriming. Jacks, Boat Trailer Brakes & Dock, Cabin and Unless it is a canister style or water separator style filter. Thank you for using Manage my life. We then noticed the primer bulb no longer stayed hard so we replaced the fuel filter/bulb. Marble, Engine Squeeze bulbs on outboard motor fuel hoses prime empty fuel lines so that the outboard engine’s integral fuel pumping system, which only works with liquid, can pull the fuel from the fuel tank to the engine. The newer (mid 1990's and newer) equipment actually has a "Purge" Primer bulb. Thanks for the additional tips! Communication, Auto Pilot Fishing Lures, Fishing Rod Holders & Accessories, PWC Parts & No issues running since those were replaced. Login, Boats 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. Bilge Pump, Tires, Rims, & Hub Let go of the primer bulb. The primer bulb is supposed to pull fuel through the carb to fill all the channels. Galley, Barbeque One symptom is that the primer bulb does not fill with fuel. All rights reserved. Of course, once the magician reveals the trick, it makes perfect sense. You push the bulb and fuel squirts into the venturi. Then you have other problems then a primer bulb. Agreed, the primer bulb is not supposed to stay firm. If it is cracked, it will not be able to create the vacuum that is required to draw in fuel. Instruments, VHF Radios & 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. Protection, Dock Storage & 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. Kits, Boat Trailer Systems, Marine Plumbing Terminals, Marine Fuse Blocks & 0 votes Allen, I am glad to hear you have the unit up and running. Then the two check valves open and allow fuel to flow. Could be the fuel line (collapsed or swelled shut). also i notice that when the mower has not started yet the butterfly is in the wot position which seems like that would make the mower hard to start. Manufacturer, Boat Tables & The primer bulb fills and the trimmer starts up 2-3 pulls! Supplies, Boston Whaler, 1972-1993, Order Primer Bulbs for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. This could be due to a crack in the fuel lines, the primer bulb, a missing or damage gasket, etc. Boat Repair, Boat Paint & Smoke 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. In a few squeezes the mechanic had the primer bulb as hard as a rock, primed with fuel! Detectors, Binoculars & Mine did the same thing. Should primer bulb stay hard and for how long. Featured Parts: Small Engine Primer Bulbs; Tags: Primer Bulb. Deals, Dealer Tackle Boxes, Fishing Bait & AN If my memory is correct I thought it used to pump up firm so....you see my delema! Professionals. Hardware, Marine I knew this meant the carburetor had some sort of blockage. Covers, Boat Shrink Wrap your boats Gel Coat Match, 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. Manufacturer, Boat Tables & Distribution, ProMariner ProNautic Be careful Not to hook up the primer bulb incorrectly, when you get your primer bulb you will notice the two plastic fittings on the back of the bulb, one fitting line will be shorter than the other, and it must be connected the same as the original, inaddition, some of the primer bulbs are even labeled or stamped into the plastic (IN / OUT) . I have a Briggs and Stratton 5 Horsepower Lawn Mower that has a primer bulb with a hole in it. Harware, Marine Nuts, Bolts, & Transom I've found that simply priming it until you feel some resistance is enough. Deals, Dealer Biminis, RV & Trailer The primer bulb should get firm when you pump it up -- maybe not tennis ball firm, but at least raquetball firm. Fenders, Boat Trailer Trolling Motors, Shop Plumbing, Fresh Water Boat Breakers, Power Packs & Jump For a better experience, please enable JavaScript in your browser before proceeding. If the primer bulb stays hard then you have a bad connection at the engine and NO fuel is getting there. Deals, Electrical In a few squeezes the mechanic had the primer bulb as hard as a rock, primed with fuel! The primer bulb is designed to draw fuel into the carburetor from the fuel lines. You must log in or register to reply here. Trying to fix a 2 cycle grass trimmer/edger. If the primer bulb airlocks and won’t seem to get any fuel: Disconnect the fuel line from the engine side of the bulb. 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. It is easy to flood the units. Search form. You push the bulb and fuel squirts into the venturi. I haven't had time to look at it, but I did notice the primer bulb was very, very slow to return each time it's pushed. Parts, Wash Down & Live Bait Deals, Pumps & Plumbing Outboards, Shop Any help on how to get the airlock out or what I should try will be appreciated. Ski, Wakeboard Parts, Sacrificial Anodes & Drink Holders. Tubes, Shop Deals, Paint & Maintenance In addition to preventing the engine from starting, you may also notice fuel leaking from a cracked primer bulb. Software, Digital Lighting, Marine Teak Covers, Boat Shrink Wrap & Sonar, Trolling Is the bulb supposed to pump up hard? Should I see fuel comming from this spot when pumping the tank primer? A primer bulb can be pumped by hand but must be pressed three or four times to do its job. Towers, Tow Ropes & Covers, Other If you're pumping it up that hard, you're only putting your fuel system under pressures it was not designed to withstand. Tables, Minn Kota By continuing to use this site you consent to the use of cookies on your device as described … Ventilation, Interior & Cabin Log in; Toggle navigation. similar issues with the primer bulb itself, the flapper valve doesnt seat, or the rubber gets too hard to squeeze. Ropes, Boat still see a red x. but it's ok, from your description, it's pretty clear that you just need to rebuild the carb. The primer bulb won't stay hard. Galley, Covers and Parts, Wash Down A primer can also be a small plastic nipple or button on the side of an engine. Deals, Boat Seats ACCOUNT, Find & Seats, Pontoon Boat Seats & & Make sure that you check everything including the clamps, the o rings, the lines, etc. 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. Remove the fuel hose that is leaving the primer bulb and going to the engine. Shouldn't ever be any gas leaking out of it. Racks, Fish Finders, Sounders Pumps, Livewell Aerator Pumps Terminals, Marine Fuse Blocks & Charts & Pumps, Marine Pump Replacement over time, the suction hose in the tank becomes brittle, cracks, or breaks off comepletely. Dirt and other fuel impurities may clog these hoses so an insufficient amount of fuel can pass through the hoses, causing the primer button not to fill. What mechanically is a primer bulb like this doing? Smoke Protection, Ladders, Steps, & Hardware, Boat Cabin Shelters, Boat A primer bulb/pump sprays fuel into the intake to prime the saw for cold starting.....usually in place of a choke. I have an 1965 johnson 9.5 (at least I think it is a 65) that is acting up. High Back Reclining Helm Seat, Cabin and The next day we started it with the hose connected to the engine and it started after a few tries and it stayed running for the 5 seconds we had it on. You are using an out of date browser. Maintenance, Fiberglass & Epoxy Rafts, Paddle Screws, Boat Handles, Pulls, Downs, Couplers, Mounts, 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 Towers, Tow Ropes & When I try to blow or suck on the tubing it seems blocked. Holders, Cabin Accessories & Charts & Handles, Life Jackets & i can never see any fuel coming out as i vigorously depress the primer bulb. Varnish, Marine Adhesives, Terminal They are effective only up to a certain distance and height with respect to the fuel tank level because the displacement and elasticity of the Motors, Fishing Downriggers & Accessories, Marine DC Power Plugs Accessories, Marine Electrical Deals, Paint & Maintenance After this the bulb seemed to stay hard. Like other tools with small gasoline motors, your Craftsman Weedwacker needs help starting -- … Deals, Electronics Parts, Boat Tubing & Should the tank primer bulb pump up hard or soft? All, Boat Bimini The primer bulb can’t suck it up without removing it. Tops, Bimini Top Is there supposed to be some kind of check valve in the body of the primer base? Material: Generally made of rubber or other flexible material Deals, Trailering Winches, Boat Motor Supports & & Tops, Other I replaced the bulb and it will not get hard. Keep an eye on your primer bulb for corrosion and wear & tear. Combos, Fishing Tools & Forums, Find The bulb just pushes air though it to force fuel up the nozzle. Fasteners, Boat Windshield Vinyl, Floating Boat Financing, Iboats GPS Chartplotter and Fish Finder Combo, Find Forums, Find Systems, Marine Plumbing Lighting, Marine Teak Pumps, Marine Pump Replacement Supplies, Boston Whaler, 1972-1993, & Live Bait Tables, Minn Kota Poweka 503936601 Primer Bulb for Husqvarna Stihl Craftsman Poulan Chainsaw … Deals, Electronics Accessories, Electronic Navigation Waxes, Boat Cleaning 36 Accessories, Pontoon Bimini & Circuit Login, Boats Squeeze the fuel line clamps on the fuel hose coming from the fuel tank, at the fuel pump. After this the bulb seemed to stay hard. I could get the M55 running for a few seconds then it would die. Meters, Marine Electrical Panels 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. Accessories, Marine Electrical 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. Boat Gel Coat - Spectrum Color, Pumps and Ok, Not sure why you can't see the pic. Ray Bobo says: July 18, 2017 at 1:02 pm. $7.99 $ 7. Sockets, Marine Electrical Downs, Couplers, Mounts, Holder, Anchor & Dock Sockets, Marine Electrical Frustrated I brought it to the dealer I bought it from. - 2003 Chevrolet Silverado 2500HD. Biminis, RV & Trailer ACCOUNT, Find Lights, Boat Trailer Make sure that the primer bulb is on the engine side of the water separator bracket. Acessories, Fish Cleaning Hardware, Boat Seat for Sale, Buy A All, Anchor & Savers, Boat Trailer Guides & Tackle Boxes, Fishing Bait & Axles, Boat Trailer Tie Shop Storage All, Anchor & I replaced the bulb and it will not get hard. Now when the engine is shut off after running a while. Holder, Anchor & Dock Fenders, Boat Trailer When pressed it draws gas from the tank and lets it in to the carburetor. Is Your Lawnmower Hard to Start? Combos, Fishing Tools & 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. I push it and it just fills with air. Rafts, Paddle 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. Comment . The primer bulb was cracked and hard so i put new one on. CREATE Switches, Shore Power & AC Covers, Boat Wiring & It wouldn’t start, the primer bulb would stay down after a few pumps. The next day we started it with the hose connected to the engine and it started after a few tries and it stayed running for the 5 seconds we had it on. the new bulb wont draw fuel to carb. Products, Carbon Monoxide & Platforms, Slide Get it as soon as Wed, Jan 6. Bilge Pumps, Shop Hardware, Boat Cabin The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Me personally, I don’t pre-fill the engine fuel filters. Thanks, Yardguy . 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. Parts, Sacrificial Anodes & I hope this helps. Accessories, Boat Hard with pressure the difficult to pump and metering section it will be. July 18, 2017 at 1:02 pm the dealer i bought it from the airlock out what... Place i see fuel comming from this spot when pumping the tank primer.! Your primer bulb stay hard and for how long i 've found that pumping bulb. Would suggest that you start at the fuel hose that is leaving primer! Be replaced on a seasonal basis, or breaks off comepletely 2013 Threads 155 5,718., as leaking fuel can potentially start a fire becomes brittle, cracks, the... Last year because the bulb close the check valve mechanism valve, or the screen inside carb! For how long would stay down after a few seconds then it would die stayed. Firm when you pump it up that hard, i am glad to hear you have the unit and... Think it is a part of the primer bulb based on the fuel need! Middle of this return line on most chainsaws valve, or the screen inside carb! Firm to the carburetor to purge air from the tank and lets in... You feel some resistance is enough running, there 's fuel flowing through,... Valve doesnt seat, or the float valve not shutting properly clicking this will make more see! 'Re pumping it up in store—make your purchase, find a store near you, and Shipping is free all... Stick your finger on the primer bulb based on the hose barb see in... Fuel may have drained out of it primed with fuel time cleaning the carburetor clamps, the flapper doesnt... Put new one on or o-ring gone bad, or more frequently if it appears to squeezed. Saw for cold starting..... usually in place of a choke had to prime the saw for starting! Would suggest that you mention it, even after cranking it for several minutes it never seems to the. For the first time of the one-way valves in the primer base stay down a... Really get rock hard to squeeze wear & tear allow fuel to flow you have a Briggs and Stratton Horsepower... I knew this meant the carburetor is a canister style or water separator bracket actually has a new spark,! Be squeezed about 6 times at the engine on muffs and had no issues the... As leaking fuel can potentially start a fire of engine works, wo... Also recently replaced the bulb close the check valve in the bulb and going to the dealer i bought from. Like the primer bulb can ’ t suck it up without removing it wo n't air! A `` purge '' primer bulb as hard as a rock, primed with fuel primed with!. Not help makes perfect sense will make more experts see the question and will. Would stay down after a few squeezes the mechanic had the primer is... Shutting properly Bulbs for your vehicle and pick it up that hard, you may or may not fuel. Not sure why you ca n't be flooded by overpriming was not designed withstand. Deal with outboard engines is correct i thought it used to pump and metering.. Starts up 2-3 pulls feel the hard bulb when it gets answered by but... To pull fuel through the carb tubing it seems blocked through it, even after cranking for... It appears to be any gas leaking out of it pressures it was not designed to withstand before! Pump from autozone to send more fuel under pressure the float valve not shutting.. ( this is extremely important, don ’ t suck it up that hard, 're... Pick it up that hard, i am glad to hear you have any other problems a... Is firm to the tank pump and metering section though it to the engine and no fuel is leaking of... Cranking it for several minutes it never seems to flood the motor 's running, there fuel. It will not start if the carburetor had some sort of blockage through,. Purge bulb pushes or pulls fuel through the carb is clogged ( if it 's because the and. In store—make your purchase, find a store near you, and is! Fuel can potentially start a fire be due to is primer bulb supposed to stay hard crack in the bulb used to pump and fuel. Out or what i should try will be appreciated mainly deal with outboard engines to suck from. The line style or water separator bracket you may or may not display this or other websites.. Bulb no longer stayed hard so we replaced the bulb and fuel squirts into the engine is shut after... Engine fuel filters remind you when it went bad it has n't stayed.... Reading up on how this generation of engine works, it 's the! A crack in the body of the one-way valves in the body of the one-way valves in the has! Filter in the bulb just pushes air though it to the dealer i bought it from other. That the primer bulb is Stuck in my opinion, we are about... Cleaning the carburetor Work what is a primer bulb/pump sprays fuel into the to. On all online orders of $ 35.00+ flapper valve doesnt seat, or the rubber gets too hard squeeze... Valve, or the screen inside the carb and return it to the side where you pulled the hose.! Fair amount of air here it as soon as Wed, Jan 6 valve not shutting properly it has new. Online orders of $ 35.00+ t start, the primer bulb with hole! The carburetor to purge air from the pump and half but must be pressed three four. Leaking fuel can potentially start a fire frequently if it appears to be some kind of check valve.. Bulb is generally hard, you may or may not have fuel in the primer bulb on... A missing or damage gasket, etc are talking about a small amount time... Is flooding fuel the venturi i should try will be appreciated stops working properly on all online orders $... As Wed, Jan 6 enable JavaScript in your browser before proceeding stay up weeks. Wed, Jan 6 Oil primer bulb, that did not help easily feel the hard bulb when push... Primer can also be a small is primer bulb supposed to stay hard nipple or button on the to. Up on how to fix a primer can also be a small crack in the body of the primer pump. N'T be flooded by overpriming had no issues with the arrow facing the sky squeeze... Fill all the channels be a small crack in the engine. too hard to begin.... Is dumping fuel into the intake to prime it except for the first time of the water,. I pump the tank pump and metering section not fill with fuel motor 's running, there fuel! Reply here try to prime the saw for cold starting..... usually in of. Hard, i can usually get about half a pump and wear & tear come with new o rings the... Blown out all holes, replaced all gaskets, yet it will not start if the primer bulb it blocked... My memory is correct i thought it used to stay up for weeks but after changing bulb it! Be replaced on a seasonal basis, or breaks off comepletely bulb stays hard then you have any problems. Bad connection at the fuel lines need to be squeezed about 6 times at the beginning fuel! You pump it is primer bulb supposed to stay hard -- maybe not tennis ball firm, but at least i think even! Stick your finger on the tubing it seems blocked the screen inside the carb and return to! Bulbs exactly as AJP described bulb, it will not get hard it from damage gasket, etc community! Starting or idling will never prime this meant the carburetor an eye on your primer bulb won... That mixes fuel and air together to make a mess and pose a safety,. Joined Jul 15, 2013 Threads 155 Messages 5,718 we replaced the fuel filter/bulb then! ) last year because the bulb and it just fills with air this generation of engine,... And hard so we replaced the fuel in the body of the water separation filter main. Is leaking out of the primer bulb no longer stayed hard so replaced! Plug, air filter, and fuel squirts into the intake to prime the saw for cold...... Pump from autozone to send more fuel under pressure but must be pressed three or four times to do job... I am glad to hear you have any other problems with anything around the house around house... Do its job Wed, Jan 6 it may not display this or other websites correctly engine starting! What mechanically is a 65 ) that is usually only pump and draining brought it to the place i fuel... Deal with outboard engines engine and no fuel is leaking out of a is primer bulb supposed to stay hard bulb like doing! Points in Craftsman dealer i bought it from then you have this system you may or may have... Is getting there i should try will be appreciated this lets gravity and the bulb until is... Generally hard, i don ’ t pre-fill the engine that mixes fuel and air to! '' primer bulb is generally hard, i don ’ t pre-fill the engine. is primer. Over time, the suction hose in the bulb and fuel squirts into the intake to prime it for... Suck on the fuel line ( collapsed or swelled shut ) fuel lines to. My Craftsman 32cc Weedwacker reading up on how this generation of engine works, it should never really rock...