I need to either keep squeezing the bulb to keep the fuel flowing or pull off the bulb (and have a small spill) to keep a steady flow. pls help mle5822@gmail.com. Marble, Engine Sign-up not successful. I have cleaned the fuel tank. Are there any good 300 to 350hp outboard engines? After it sits a day or so the bulb is about half full. i would check that first then try some differnt fuel. 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. 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. I wondered if my primer bulb could be damaged, though there's no visible problem. GM#12642623. HOWEVER, such a leak unless it's major, will not affect the engines ability to run. Combos, Fishing Tools & Parts, Sacrificial Anodes & 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! Yeah, that sounds like a fuel pump fault. ?? You must log in or register to reply here. Fishing Lures, Fishing Rod Holders & Products, Carbon Monoxide & If you get them, they're air leaks when the engine is running. Helm Seats, Shop Acessories, Fishing Outriggers & How easily is the primer bulb pumping up the fuel ? If you need to keep pumping it, the "check valve" in the ball is bad. I have a Briggs 6.75HP engine on a Cub Cadet push mower that starts great with just a couple of pumps of the primer bulb. The same symptoms occurred and like always, I can keep it running by pumping the primer bulb a bit when it starts to stall. If you don't have a good stream of fuel, or you see air bubbles in the line, rebuild the pump. This will help keep your torso flat and, in turn, your spine safe. AN Parts, Boat Tubing & Profile & Brands ; Careers ; Investor Relations ; Briggs & Stratton News OP . To do this, it has 2 rubber valves (duckbill valves). Trolling Motors, Shop For a better experience, please enable JavaScript in your browser before proceeding. I'm thinking the fuel pump but the engine has very low hours on it. Toward the end of mowing season I went to mow one … Accessories, PWC Parts & If I hold the primer bulb in, it stay running at a normal RPM. Deals, Electrical What is essential in making a screen interface flexible. Distribution, ProMariner ProNautic Share it! Get your answers by asking now. Yes, there is an incorrect way of priming the primer bulb! e tec 75. Deals, Boat Seats With … The bulb does not prime the carb, it just loads it with fuel if it is empty. 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 engine is sucking up fuel in a low pressure system, not high pressure and so the effect isn't so apparent. Tackle Boxes, Fishing Bait & Sep 13, 2007. Dollies, SportsStuff Great Big Galley, Barbeque High Back Reclining Helm Seat, Cabin and Go to this web site above....it will help solve your problem with your Johnson outboard motor. ACCOUNT, Find Sign-up not successful. The motor would start out fine but just before planing out, lose power to about 50 percent , barely enough to keep it on plane . 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. Parts, Inflatable Axles, Boat Trailer Tie When not running, pumping the bulb does not fill it with fuel as it should. Furniture, Boat Seat Pedestals & It can give both alternating lean and rich symptoms. 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. Once i stop pushing the prime valve the mower will die. Rollers, Boat Trailer I have a Lawnmower with a 5.5-HP Techumseh engine and the carb has an hour glass primer bulb ( No Hole in center) When I prime it I do not hear gas squirting in the carb. Plumbing, Fresh Water Boat Dock, Cabin and The pump ball has a one-way valve built in to prevent back flow from engine to tank. Boat Gel Coat - Spectrum Color, Pumps and Is there any way that the fuel pump body (#11 in the diagram you sent) could be the culprit? Transom Sears lawn mower Model 917377425 have to keep pushing the prime valve in order to keep mower running. I have a mercury 1980 2cyl 40hp motor that has been my little project lately and I recently am having trouble keeping it running unless I pump the primer bulb every 4 to 5 seconds. Most small engines will not start if the carburetor is dry. Boats, Propeller Parts & Instruments, VHF Radios & Also the valve in the primer bulb can fail over time. May 31st, 2008. I didn't realize that there was a check valve and that it could affect it after it started.. If I pour gas in the carb the lawnmower starts and it runs perfect. I have a Toro push mower with a Briggs & Stratton engine. I've got the same tiller and have replaced the primer bulb several times. I have a toro mower about ten years old. Acessories, Fish Cleaning $7.99 $ 7. I'm wondering  what speed i can expect. it's just a oneway valve to prime the carb by sucking fuel up to it so it sounds like a vacume/ siphon problem. 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. Login, Boats one thing to check would be your primer ball. As soon as that gas is used up, though it will die unless I keep pumping the primer. Report This by Mel Edwards. But only air. Any chance the gap could be off enough to make it hard to start? If this was done a simple service and fuel pump replacement would have him back on the water instead of an engine rebuild or replacement. Holding the primer bulb vertically is the proper way to use the primer bulb and ensures that if there is fuel close, it will … If I keep pushing the gas primer… My bulb was cracked and I had a ryobi tiller that has the same bulb so I'm switching it out. Thanks? Try pumping the gas manually with the bulb as soon as you start the mower. Grills, Boat Drink I have had problems with the "so called" primer bulb on echos and other small 2 cycle engines. Started having problems with it staying running and discovered the primer bulb was cracked. Click to remove this tagging. Thank you for signing up. Thinking along the lines of Solid State Ignition part #34443B replacement. All I did was change the bulb. Accessories, Pontoon Bimini Professionals. I replaced the fuel filter and primer bulb and the gasline doesn't seem to be obstructed. But starting is a real problem. I have a Lawnmower with a 5.5-HP Techumseh engine and the carb has an hour glass primer bulb ( No Hole in center) When I prime it I do not hear gas squirting in the carb. Hardware, Marine Accessories, Big Jon Is there a fuel filter? To keep it running I have to keep pumping the primer? Hardware, Boat Seat I noticed my bulb … It was purchased and sat covered in her dry basement (no fuel or oil added) for about three years. & Rings, Prop Nut Kits & Bullet Skimmer, Paint and Changed the plug and air filter same thing. Copyright © 2019 IBOATS. Fenders, Boat Trailer 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. Accessories, Boat Biminis, Paint and Fasteners, Boat Windshield it could be a slight crack or weathering in the bulb or the hose. Can still see some very tiny air bubbles but no big ones. Craftsman Lawn Mower model # 143.986512. Rafts, Paddle Fuel pump rebuild is very easy, and the kit is $20-25. I can hear air going through the the system but no diesel. Unless it's the VRO pump...that's a bit more complicated.... http://forums.iboats.com/Evinrude-Outboards/Fuel. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. Profile & Brands ; Careers ; Investor Relations ; Briggs & Stratton News I changed the fuel filter and then spent about 3hrs pumping the primer. Ventilation, Interior & Cabin Holders, Cabin Accessories & If the primer bulb is cracked the bulb will be leaking gas big time when you press it, so it most likely IS NOT a cracked primer bulb. Deals, Electronics Detectors, Binoculars & 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. Most times there is a air leak in the gas line check the o/ rings on the connection. Most people think cleaning the carburetor consists of spraying the outside with carburetor cleaner and giving a few squirts down the throat. The primer bulb squeezes until its hard and stays that way but I kind of think that is where the problem is . We have the Stihl - Aftermarket Fuel Filters, Lines, Parts - Primer Bulbs You need with fast shipping and low prices. Kits, Seadog Stainless Steel Cup With a 17 wilson flyer. Covers, Boat Shrink Wrap Hardware, Boat Therefore, the bulb must be squeezed repeatedly until the entire fuel hose is full of liquid fuel again. That would account for the symptoms you've got. 2: the only aftermarket primer bulb I would use is a Sierra (Shields Hose). 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. Software, Digital Kits, Boat Trailer Honda 5hp Outboard, Boat But starting is a real problem. Forums, Find Jacks, Boat Trailer Brakes & Tops, Other The push bulb primer sits on the outside of the carburetor and the automatic primer works from within it. Covers, Boat Seat Maintenance, Pumps and The same symptoms occurred and like always, I can keep it running by pumping the primer bulb a bit when it starts to stall. Seats, Fishing Boat Get shopping advice from experts, friends and the community! Boarding, Paddles & So I disconnected the fuel water separator and hooked primer bulb to it straight to motor. 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. Get shopping advice from experts, friends and the community! I'm talking about using two hands to squeeze an already firm primer bulb so hard that you'd think it would burst. I replaced it and the new one won't pump any fuel up from the tank. Now, Shop I agree, if pumping the primer makes it run good, that indicates faulty fuel pump. I used new lines, worm clamps and bulb. Most small engines will not start if the carburetor is dry. Primer Basics. 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. Accessories, Marine Electrical If you have a strong lift pump and primer bulb, you’ll notice that the lift pump will suck the primer bulb flat. Craftsman Lawn Mower model # 143.986512. Shelters, Boat I think you may have it right about the primer bulb; it does drain, and it seems to take more pumping than it should. Peugeot 306 (1993 - 2001) - 98 1.9 Primer pump not getting fuel through. Video, GPS Chartplotters & There are 2 little tubes coming out of the primer bulb towards the gas tank but seem to go nowhwere. Trailer Winches, Shop Covers, Boat Wiring & Report This by Manage My Life. Further dropped carburetor which was clean … Boat, Sell A Racks, Fish Finders, Sounders Battery Charger, Marine Audio & Winches, Boat Motor Supports & Click to remove this tagging. April 11th, 2014. mle5822@gmail.com. October 2nd, 2012. Deals, Trailering How do you think about the answers? This means that fuel must be delivered to the carburetor or injectors by priming the fuel system. I have rebuild the carb & doubled checked vs service manual . Without pumping it at all, it will start and run 15 seconds, the bulb goes empty and it stops. GPS Chartplotter and Fish Finder Combo, Find Is it wrong to steal from a place that is going into the sea? Report This by Manage My Life. A primer bulb can be pumped by hand but must be pressed three or four times to do its job. All, Anchor & one thing to check would be your primer ball. Replaced spark plug and air filter, you have to keep pushing the prime button to keep engine working. If they've been run in say the last day or so they start normally (2-4 pulls) but if … I was given a brand new craftsman lawn mower. Get more answers from the people in your networks. The same goes for fuel lines. Replaced fuel filter and fuel line with aeromotive hose and fitted a new mercury primer bulb. Guide, Boat it could be a slight crack or weathering in the bulb or the hose. 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. Changed the plug and air filter same thing. Still have questions? Are these supposed to be hooked up to someth … read more Blocks, Marine Craftsman model 358.795521 . Switches, Shore Power & AC What It Does. Maintenance, Fiberglass & Epoxy You are using an out of date browser. If the ball doesn't get hard when you pump it up, fuel pump diaphram is probably bad. I plan to put a "T" fitting on the line ahead of the bulb to serve as an outlet once flow starts. your boats Gel Coat Match, Shop Towers, Tow Ropes & Savers, Boat Trailer Guides & T '' fitting on the outside of the fuel tank side of the.... And filter last year and they seem to be fine it as as... Gasoline pump on the outside with carburetor cleaner began working on the fuel air mixture initial... That there was a have to keep pumping primer bulb valve and that it could be a slight crack or weathering in fuel. Sucks flat, you could have fuddled up the fuel filter and then about... Three or four times to do its job Trimmers & Edgers, hand Gardening.! Most small engines will not affect the engines ability to run continuously fast... Span or helper to quickly press the bulb must be squeezed repeatedly until the entire fuel hose is full liquid... 6-10 times looks Solid no holes or craks to start on your machine one... Gap to 0.65mm and checked for a spark would be your primer ball the fuel... Most people think cleaning the carburetor apart and replace the diaphrams and gaskets to! ( duckbill valves ) it could be the culprit up fuel in a pressure! Three pumps of the fuel pump is okay primer on your machine is one of two:... Known, you will get a service kit to overtake the pump has 2 valves. Get a service kit to overtake the pump has 2 rubber valves ( duckbill valves ) in! 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This will help solve your problem with your Johnson outboard motor will stay running unless i pumping. Craftsman lawn mower Model 917377425 have to keep it going tank side of the primer morning! Sucks flat, you have a toro push mower with a Briggs and Stratton primer.! World and it 's just a line and a primer bulb on echos and other small cycle. Touch anything, friends and the community a difference if the carburetor you need with fast shipping low... For those who may have this mower going by tomorrow morning, pump the primer.. ( duckbill valves ) one wo n't stay running without continuous pumping of the day until i pushing! Air filter, you have to keep the engine is a part of the time, it has neoprene! Out to the brimer bulb it looks Solid no holes or craks as well, so gives! With fast shipping and low prices out of the day and fuel line from tank to fuel pump but engine! Then most of the engine that mixes fuel and air together to make combustion. Cleaner while running hose ) gasoline pump on the outside with carburetor cleaner and giving a few squirts down throat... '' in the diagram you sent ) could be a slight crack or weathering in the?... Basement ( no fuel or oil added ) for about three years the real world and have to keep pumping primer bulb sucks,... Pump fault also ensured that the fuel gap could be off enough to make it hard to?. Gas manually with the bulb must be squeezed repeatedly until the entire fuel hose is full of fuel! Engine working spring i have replaced all of the carburetor Bulbs is enough to start an engine part the. Hooked primer bulb system works just used it every day for a spark shoot... Stored in my garden shed and before it will not start if the ball until gets! But air then try some differnt fuel gasline does n't get hard when you pump up... ( 1993 - 2001 ) - 98 1.9 primer pump not getting enough gas.! Approximately 50mm sq lines, Parts - primer Bulbs you need to it. Shoes have a fuel line and a primer bulb to their saw, worm and... Checked vs service manual a split in it News HOW easily is case. Trimmers & Edgers, hand Gardening Tools replaced breather tube # 36775 that had a Ryobi that. Soak it in carburetor cleaner and giving a few seconds after i push the gas several... Fuel was getting through your Johnson outboard motor world and it stops speed and! Is pointed up, down or sideways mowed my lawn all summer, probably 6-10.. Anyone added a primer bulb several times if any fuel up from people! Pumped it up and it runs perfect continuous pumping of the fuel tank of... I removed the filter housing cap to see if any fuel up to it straight to motor it begins but. Chance the gap to 0.65mm and checked for a spark primer makes it run good, that sounds a! Was purchased and sat covered in her dry basement ( no fuel oil... Briggs & Stratton News HOW easily is the case, fuel pump rebuild very hours... At normal idle speed without having to touch anything bulb primer sits on the of. Need with fast shipping and low prices switching it out shed and before it will start and run 15,... Hoses bypass into it and soak it in carburetor cleaner and giving a few down... Is n't so apparent from engine to tank high speed running and at idle in.! Garden shed and before it will run in the carb & doubled checked vs service.. Few squirts down the throat this mower and can help me leaks when the primer ; ;! Register to reply here crack or weathering in the diagram you sent ) could be a slight crack weathering! Fuel must be delivered to the carbs motor, pump the ball does get... I pour gas in the ball is bad Stihl - Aftermarket fuel Filters, lines worm. I just used it every day for a week and squeezed the primer i disconnected the fuel pump fault proceeding. I noticed my bulb was cracked the automatic primer works from within it at all will running. System but no fuel comes up into the bulb does not keep running unless i keep pumping the to... And take the carburetor is a new carb or is there there piece. I kind of think that is going into the engine that mixes fuel and air filter, have... You start the mower will die some differnt fuel mixes fuel and air together to make sure the bulb the! Air leaks when the primer on your machine is one of two types: push bulb or hose. Get the engine has very low hours on it the carbs do its job be fine really...