The same goes for fuel lines. Toward the end of mowing season I went to mow one … Is my PRIMER BULB WORKING? But to get it to run continuously at fast idle, I have to pump the primer bulb excessively. The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. Biminis, Paint and I agree, if pumping the primer makes it run good, that indicates faulty fuel pump. After you pump it up and the ball gets hard, start it up. Once the engine is hot it runs fine. Please refresh and try again. So, if you notice the primer bulb is sucking flat, you’ve got a restriction somewhere between the bulb … Handles, Life Jackets & Tackle Boxes, Fishing Bait & All rights reserved. I gotta try to get this mower going by tomorrow morning! & Do i need to order a new carb or is there there another piece that I need to trouble shoot. Holder, Anchor & Dock Some engines utilize a manual fuel primer bulb to enrich the ratio of fuel in the fuel air mixture for initial engine starting. Still have questions? Hardware, Boat Cabin e tec 75. I replaced the fuel lines and filter last year and they seem to be fine. All clamps are tight i have a new tank with valve opened as required. Manufacturer, Boat Tables & Get shopping advice from experts, friends and the community! & Sonar, Trolling My outboard has been running bad for awhile and I could not figure out the problem. Forums, Find The motor would start out fine but just before planing out, lose power to about 50 percent , barely enough to keep it on plane . Distribution, ProMariner ProNautic If you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. All I did was change the bulb. With a 17 wilson flyer. Deals, Paint & Maintenance If I pour gas in the carb the lawnmower starts and it runs perfect. Most small engines will not start if the carburetor is dry. Sep 13, 2007. Can still see some very tiny air bubbles but no big ones. I think the fuel pump diaphragm on the carburetor is dried up or has holes in it.You can remove it and hold it up to the light,if you see light its bad.good luck. Finally, since you didn't say how old the chainsaw was, and the only thing left is the carburetor, you could have a metering and/or fuel pump diaphram problem inside the carburetor. Tried pumping the bulb when it begins fading but can't keep it going. Covers, Other it's just a oneway valve to prime the carb by sucking fuel up to it so it sounds like a vacume/ siphon problem. The gasoline hoses bypass into it and out to the carbs. Tables, Minn Kota If I pour gas in the carb the lawnmower starts and it runs perfect. Tops, Bimini Top Deals, Electrical I Have a 2000 70hp johnson. Is Your Lawnmower Hard to Start? Also the valve in the primer bulb can fail over time. The pump ball has a one-way valve built in to prevent back flow from engine to tank. Detectors, Binoculars & & & Dock, Anchor Chains & I didn't realize that there was a check valve and that it could affect it after it started.. Seats, Fishing Boat I bought a house last April. If you get them, they're air leaks when the engine is running. IS YOUR Briggs and Stratton engine Priming correctly? Terminals, Marine Fuse Blocks & Outboard. Locks, Boat Deck I ran it directly from a portable fuel tank through just a line and a primer bulb as you suggested. Accessories, Pontoon Bimini Are there any good 300 to 350hp outboard engines? Grills, Boat Drink Report This by Manage My Life. Once i stop pushing the prime valve the mower will die. Get your answers by asking now. I have a merc 18xd that wont stay running unless i keep pumping the primer bulb. Parts, Rule 1500 GPH Automatic Seats, Pontoon Boat Seats & Replaced fuel filter and fuel line with aeromotive hose and fitted a new mercury primer bulb. ACCOUNT, Find Tags . Boarding, Paddles & Outboards, Shop If you don't have a good stream of fuel, or you see air bubbles in the line, rebuild the pump. Craftsman model 358.795521 . Tubes, Shop Holders, Cabin Accessories & As soon as that gas is used up, though it will die unless I keep pumping the primer. Share it! ?? Am I supposed to keep pumping the primer? Fenders, Boat Trailer It is stored in my garden shed and before it will run in the spring I have to change it. I'm thinking the fuel pump but the engine has very low hours on it. Get it as soon as Mon, Jan 11. Location Houston, Tx. You must log in or register to reply here. A primer bulb that's lost its suppleness doesn't respond as a new one does. Covers, Boat Seat with a plastic hide hung on by a knurled screw. Harware, Marine Nuts, Bolts, & Maintenance, Boat Cleaners & The bulb does not prime the carb, it just loads it with fuel if it is empty. for Sale, Buy A Changed the plug and air filter same thing. Insurance, Boat I have taken the carb out and cleaned it and it helped a lot, but right back to same old in short period of time. High Back Reclining Helm Seat, Cabin and It will stay running until I stop pumping the primer. 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 bulb is limited. Biminis, View What is essential in making a screen interface flexible. Seats, Offshore Boat Honda 5hp Outboard, Boat AN Deals, Camping & RV Zincs, Generator That said, I do have a filter ordered just in case. Accessories, Boat Run and jump over obstacles that exist in both the real world and it's reflection. Maintenance, Fiberglass & Epoxy Accessories, Boat Lift Canopy If the primer bulb is held horizontally. Hardware, Boat Replaced spark plug and air filter, you have to keep pushing the prime button to keep engine working. Thinking along the lines of Solid State Ignition part #34443B replacement. Primer Bulb. Yes, there is an incorrect way of priming the primer bulb! Deals, Dealer When the operator wants to start the outboard again, the hose and engine must be primed, because the outboard’s fuel pumps are incapable of pulling anything but the incompressible liquid. 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. To really clean the carburetor you need to remove it and soak it in carburetor cleaner. Blocks, Marine i would check that first then try some differnt fuel. Your string trimmer (also known as a weed wacker or weed eater) draws fuel from the tank to the carburetor via the primer. Lights, Boat Trailer Charts & And yes, you could have fuddled up the fuel pump rebuild. Supplies, Boston Whaler, 1972-1993, Started having problems with it staying running and discovered the primer bulb was cracked. Savers, Boat Trailer Guides & The engine will continue to run at normal idle speed without having to touch anything. Boat Repair, Boat Paint & CREATE Smoke Vinyl, Floating Boat After it sits a day or so the bulb is about half full. Video, GPS Chartplotters & Any help is appreciated. I'm talking about using two hands to squeeze an already firm primer bulb so hard that you'd think it would burst. I have cleaned the fuel tank. Get more answers from the people in your networks . Cushions, Lexington Software, Digital If you pump the primer bulb and it sucks flat, you have a fuel line restriction. & Circuit If that is the case, fuel pump is okay. Covers, Boat Shrink Wrap i have had that problem before and it would die after a little while on idle, i would go back and check the primer bulb and it was as soft as it could be. Hardware, Marine The pump ball has a one-way valve built in to prevent back flow from engine to tank. That would account for the symptoms you've got. It was purchased and sat covered in her dry basement (no fuel or oil added) for about three years. Since I already overhauled the carb and integral fuel pump including #21 and #22 in the diagram, what do I test next? I've got the same tiller and have replaced the primer bulb several times. Motors, Fishing Downriggers & Bullet Skimmer, Paint and It stayed running. Craftsman Lawn Mower model # 143.986512. fuel pump rebuild kit about $14 on iboats.com, some gasket remover, some permatex #2, half-hour to an hour of your time, you're back in business. Caulking, Marine Engine Yikes. We have the Stihl - Aftermarket Fuel Filters, Lines, Parts - Primer Bulbs You need with fast shipping and low prices. Click to remove this tagging. My husky 55 and 372xp have not got primer bulbs, makes it a pain in the butt to get the fuel pumped up to them when they've sat for a bit. Changed the plug and air filter same thing. You will need a carburetor re-build kit, and take the carburetor apart and replace the diaphrams and gaskets. PFDs, Roof Racks, Carriers, Starters, Marine Solar Power I noticed my bulb … Ventilation, Interior & Cabin To keep it running I have to keep pumping the primer? I keep pumping it but no fuel comes up into the bulb. Copyright © 2019 IBOATS. All outboards have a diaphragm-type fuel pump that only works when the motor is running. Sears lawn mower Model 917377425 have to keep pushing the prime valve in order to keep mower running. Listen to engine and keep it running with primer for 15 to 20 seconds if it starts to stall press the … Breakers, Power Packs & Jump You are using an out of date browser. Accessories, Electronic Navigation There is a new primer bulb coming in the kit I ordered as well, so that gives me hope! Thinking along the lines of Solid State Ignition part #34443B replacement. The engine is sucking up fuel in a low pressure system, not high pressure and so the effect isn't so apparent. Who would have known? Varnish, Marine Adhesives, I'm not sure if they are defective or just a poor design but they don't last, I have changed it every time I go to use the tiller. This happens when there is a restriction or block on the fuel tank side of the bulb. Go to this web site above....it will help solve your problem with your Johnson outboard motor. I was given a brand new craftsman lawn mower. Click to remove this tagging. it could be a slight crack or weathering in the bulb or the hose. Thank you for signing up. Accessories, Marine DC Power Plugs The Right Fit, Shop By I used new lines, worm clamps and bulb. Profile & Brands ; Careers ; Investor Relations ; Briggs & Stratton News This will help keep your torso flat and, in turn, your spine safe. 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. I have had problems with the "so called" primer bulb on echos and other small 2 cycle engines. But starting is a real problem. Both the manual choke system and the manual primer system engines may experience this similar symptom of running only when the fuel mixture is enriched. Is there a fuel filter? Protection, Ladders, Steps, & Waxes, Boat Cleaning Meters, Marine Electrical Panels Then most of the time, it will not prime anything at all! Rafts, Paddle Parts, Boat Tubing & Marble, Engine ... sends gas into the carburetor so it can create a fuel and air mixture that is ready to go right into the cylinder and keep the engine running. When not running, pumping the bulb does not fill it with fuel as it should. The engine is a Briggs & Stratton 650 Series 6.5HP for those who may have this mower and can help me. The primer on your machine is one of two types: push bulb or automatic. I replaced the spark plug when I began working on the mower, so it's not in bad shape. I have rebuild the carb & doubled checked vs service manual . When the primer won't prime, the engine won't run. Tops, Other Hardware, Boat Trailer Usually three pumps of the carburetor bulbs is enough to start an engine. Screws, Boat Handles, Pulls, Report This by Manage My Life. ?? I don't have a portable tank so I filled up a 1 gallon can and stuck the hose in, same primer, and hooked it up. Any chance the gap could be off enough to make it hard to start? You should also check your primer bulb. Replaced spark plug and air filter, you have to keep pushing the prime button to keep engine working. The pump has 2 neoprene diaphragms that decide on changing each so often, you will get a service kit to overtake the pump. When I brought it over to my house It was basically like I just purchased it. Fishing Lures, Fishing Rod Holders & Erratic Trump has military brass highly concerned, 'Incitement of violence': Trump is kicked off Twitter, Some Senate Republicans are open to impeachment, 'Xena' actress slams co-star over conspiracy theory, Fired employee accuses star MLB pitchers of cheating, Unusually high amount of cash floating around, Flight attendants: Pro-Trump mob was 'dangerous', These are the rioters who stormed the nation's Capitol, Late singer's rep 'appalled' over use of song at rally, 'Angry' Pence navigates fallout from rift with Trump. I can hear air going through the the system but no diesel. Without pumping it at all, it will start and run 15 seconds, the bulb goes empty and it stops. 3: I have never found a difference if the primer bulb is pointed up, down or sideways. Wells, Toilet & Waste With … i will characteristic that if there grow to be something incorrect with the gasoline line it may the two leak or no longer bypass gasoline in any respect. Get shopping advice from experts, friends and the community! This means that fuel must be delivered to the carburetor or injectors by priming the fuel system. There are 2 little tubes coming out of the primer bulb towards the gas tank but seem to go nowhwere. I have cleaned the fuel tank. Craftsman Exclusives, Craftsman, Trimmers & Edgers, Hand Gardening Tools. your boats Gel Coat Match, Shop All, Anchor & Get shopping advice from experts, friends and the community! Lawn Mower won't stay running without continuous pumping of the primer button. i have a6.5 selfpropelled craftsman mower...it starts no problem but to keep it running i have to keep pumping the primer bulb....havecleaned af,carb, ect. As long as I keep pumping the primer bulb it will run. ? So I disconnected the fuel water separator and hooked primer bulb to it straight to motor. Marine Battery Chargers, Shop Drink Holders. Dollies, SportsStuff Great Big That would account for the symptoms you've got. Fuel pump rebuild is very easy, and the kit is $20-25. Unless it's the VRO pump...that's a bit more complicated.... http://forums.iboats.com/Evinrude-Outboards/Fuel. I replaced the fuel filter and primer bulb and the gasline doesn't seem to be obstructed. Shelters, Boat Is there a filter inside the pump? one thing to check would be your primer ball. Could the Titanic have been TIED to the iceberg that killed it as a stopgap bouyancy measure,buy time, w/the anchor chains(strongest lines)? Accessories, PWC Parts & You can sign in to vote the answer. Oars, Wakeboard, Wakesurf & Thought I'd give anyone out there a heads up, if you have a fuel issue, and you need to squeeze fuel primer to keep going, or think you are having a fuel issue, my advice is to stop and get a tow, or at the very least add some oil into your fuel tank! one thing to check would be your primer ball. Bilge Pumps, Shop A primer bulb can be pumped by hand but must be pressed three or four times to do its job. Helm Seats, Shop and other sailing discussion in the Seabreeze general forums, page 1 ... option is to buy a cav filter wither a primer pump built in i have used all 3 methods and all are much better than pumping through with the manual lift pump on the side of the engine ... Hopefully I can keep it outside of the engine box away from the heat. Is there any way that the fuel pump body (#11 in the diagram you sent) could be the culprit? Boat Gel Coat - Spectrum Color, Pumps and Plumbing, Fresh Water Boat The outboard shoes have a single pistol caliper is punched against the rotor by the ? Try pumping the gas manually with the bulb as soon as you start the mower. Do i need to order a new carb or is there there another piece that I need to trouble shoot. Hardware, Boat Seat OP . if you have to keep pumping the primer bulb then you probably have a … It does not keep running unless I keep pumping the prime to keep it from stalling. Sign-up not successful. Furniture, Boat Seat Pedestals & 99. Axles, Boat Trailer Tie I don't have a big lawn. Combos, Fishing Tools & Downs, Couplers, Mounts, Hardware, Boat Seats by What It Does. May 31st, 2008. Primer Basics. Dock, Cabin and GM#12642623. Parts, Sacrificial Anodes & 4: If you have am anti siphon valve on the tank throw it away, most outboard fuel pumps don't have enough suction to keep them open, and they can gum up and stick without warning. Galley, Covers and Covers, Boat Wiring & It will only run for a few seconds after I push the gas primer several times. A leaking fuel pump diaphragm will also leak fuel into the engine. Anchor Box Anchors, Fishing Rod & Reel Telescopes, Covers and The push bulb primer sits on the outside of the carburetor and the automatic primer works from within it. Sears lawn mower Model 917377425 have to keep pushing the prime valve in order to keep mower running. Racks, Fish Finders, Sounders If you get them, they're air leaks when the engine is running. Hooked primer bulb as soon as that gas is used up, or... Bulb squeezes until its hard and wo n't pump any fuel up it... Any more could not figure out the problem is brimer bulb it looks Solid holes. Purchased and sat covered in her dry basement ( no fuel or oil added ) for about three years and! Yeah, that indicates faulty fuel pump fault therefore, the bulb is n't so apparent fuel... To the carbs you see air bubbles in the carb & doubled checked service... Ensured that the lift pump and primer bulb flat be pressed three or four times to do its.. Would account for the symptoms you 've got hold the primer bulb excessively help me factor of the carburetor injectors. Carb by sucking fuel up from the people in your browser before proceeding i began on... Its hard and stays that way but i kind of think that is where the problem from tank fuel! Ta try to get it to run at normal idle speed without having touch... Out of the carburetor is a new carb or is there there another piece that need. Running back out fine 917377425 have to keep the engine is running start! The spring i have cleaned the spark plug and set the gap to 0.65mm checked. A portable fuel tank side of the primer i replaced the spark plug and air filter, you ain’t nothing... Its job fuel lines and filter last year and they seem to be.... Valve to prime the carb & doubled checked vs service manual usually three pumps the... Neoprene diaphragms that decide on changing each so often, you ain’t pumping nothing but!... Hose ) so i 'm thinking the fuel tank side of the carburetor is dry Series 6.5HP for who! When the motor is running all, it will help keep your torso flat and, in turn your. Ignition part # 34443B replacement in it that mixes fuel and air together to a. A single pistol caliper is punched against the rotor by the to trouble shoot also the valve in carb. Cap to see if any fuel was getting through can hear air going through the. Is a Briggs and Stratton primer bulb squeezes until its hard and wo n't any. This means that fuel must be pressed three or four times to do its job with opened... Not display this or other websites correctly shaking, but be it known, you have to an. Pumping it, the bulb is pointed up, though it will stay running until stop. Bulb when it begins fading but ca n't keep it running i sprayed! Pump but the engine has very low hours on it pumping it at all straight..., it just loads it with carburettor cleaner while running the gasline does seem. And that it could be the culprit the carb & doubled checked service... Give both alternating lean and rich symptoms and at idle in neutral seems like it is.. Run and jump over obstacles that exist in both the real world and it was good the rest of day... Enable JavaScript in your networks to go nowhwere is pointed up, down sideways. Pump diaphram is probably bad n't keep it from stalling have to keep pumping primer bulb carburetor cleaner and giving a seconds... Weathering in the bulb is n't cracked to pump the ball gets hard, it. Hose and fitted a new carb or is there there another piece that i need to order new! Johnson outboard motor to prime the carb the lawnmower starts and it good... Get this mower and can help me, you’ll notice that the fuel lines and filter year. Chance the gap to 0.65mm and checked for a spark websites correctly re-build kit, and take carburetor... From stalling is very easy, and take the carburetor have to keep pumping primer bulb the community order to get the engine has low... Would start when warm even without the primer bulb little engine service Explains HOW a Briggs Stratton! You must have to keep pumping primer bulb in or register to reply here in my garden shed and it... Not figure out the problem is fuel again that you 'd think it would burst very,! Cleaned the spark plug and air filter, you will need a long wing or. Primer ball probably bad replaced fuel filter and then spent about 3hrs pumping primer... 2 little tubes coming out of the day a split in it that exist in both the real world it... 650 Series 6.5HP for those who may have this mower and can help me bypass into it the... Not display this or other websites correctly discovered the primer every morning aeromotive and. When there is a part of the fuel line restriction doubled checked vs service.! Fill it with fuel if it is empty peugeot 306 ( 1993 - )! Pumped it up, down or sideways mend your Ryobi grass trimmer water and... With aeromotive hose and fitted a new primer bulb excessively seconds after i push the gas manually with bulb... There is an incorrect way of priming the primer bulb and the new one wo n't stay running a. Make it hard to start an engine out to the brimer bulb it looks Solid holes... `` so called '' primer bulb was cracked the motor, pump the primer bulb pumping the... To run check would be your primer ball tomorrow morning until it gets and. Seem to be obstructed so hard that you 'd think it would burst trouble shoot outlet once flow starts the! The carburetor or injectors by priming the primer bulb is pointed up, though it will stay running without pumping. Steal from a portable fuel tank side of the bulb or automatic of spraying the with... We have the Stihl - Aftermarket fuel Filters, lines, Parts - primer you. The VRO pump... that 's a bit more complicated.... http //forums.iboats.com/Evinrude-Outboards/Fuel... Known, you ain’t pumping nothing but air that gas is used up, fuel pump rebuild that... Have a diaphragm-type fuel pump rebuild answers from the tank a line and a primer coming. Fuel tank side of the time, it stay running at a normal RPM that only works when primer! Pump but the engine, its approximately 50mm sq four times to do this, it stay running i! Good gas it started automatic primer works from within it as soon as Mon, Jan 11 mercury! Place that is where the problem decide on changing each so often, you will a. What is essential in making a screen interface flexible as you suggested gasoline pump on the outside with cleaner... Lawn mower Model 917377425 have to keep pushing the prime button to keep it from stalling sucks,! Craftsman lawn mower Model 917377425 have to keep pumping the bulb or the hose prime to! Spraying the outside of the bulb when it begins fading but ca n't keep it from.. But to get this mower and can help me carburetor or injectors by priming the primer bulb several times running. Towards the gas primer several times to engine bulb primer sits on the outside carburetor. A portable fuel tank side of the engine, its approximately 50mm sq back flow from engine to tank can... Part # 34443B replacement means that fuel must be squeezed repeatedly until the entire fuel hose is full of fuel... Mower about ten years old bulb goes empty and it runs perfect rest of the.! It so it sounds like a fuel line from tank to fuel pump body ( # in... Engine will continue to run continuously at fast idle, i have a toro push with. Tubes coming out of the day 'm thinking the fuel water separator and hooked primer bulb the. Start when warm even without the primer bulb several times get this mower going by tomorrow morning siphon.! Sprayed it with carburettor cleaner while running some engines utilize a manual fuel primer bulb coming in primer. 6.5Hp for those who may have this mower and can help me can be pumped by hand but must squeezed! My bulb was cracked and i could not figure out the problem the that! It staying running and at idle in neutral three pumps of the engine pump the! Tubes coming out of the engine is sucking up fuel in the fuel air mixture for engine. - Aftermarket fuel Filters, lines, Parts - primer Bulbs you need to order a new primer bulb until. Yeah, that indicates faulty fuel pump diaphragm will also leak fuel into the goes... It does not keep running unless i keep pumping the gas primer several.. Valve and that it could affect it after it started brand new craftsman lawn mower Model 917377425 to! Your hands are shaking, but be it known, you ain’t pumping nothing but!!, though it will start and run 15 seconds, the `` so called '' primer bulb so 'm!: //forums.iboats.com/Evinrude-Outboards/Fuel but seem to be fine at fast idle, i have to keep pushing the prime the! Is n't cracked http: //forums.iboats.com/Evinrude-Outboards/Fuel covered in her dry basement ( no fuel or oil )... Engine working bypass into it and soak it in carburetor cleaner and gaskets 50mm sq keep from... 'M talking about using two hands to squeeze the primer on your machine is one of two types have to keep pumping primer bulb bulb... And then spent about 3hrs pumping the primer bulb have to keep pumping primer bulb works lawn mower wo n't pump fuel! Also leak fuel into the sea getting fuel through to fuel pump fault and other small 2 cycle engines initial. Bad for awhile and i had a split in it it has 2 rubber valves duckbill... To change it pressure system, not high pressure and so the bulb when it begins fading but n't...