if the primer base is stop up how do i check it? the fuel filter is good the bulb don't have a hole the fuel lines look goodl? Links ⦠Amazing. The primer is actually an air pump. Then try to start the engine and run the rest of the fuel out of the carburetor. C $2.25. Still no go, if you say primer bulb shows fuel in it, and you press the primer bulb say 10x and choke on and still no fuel in engine, the carburetor is either not adjusted to allow fuel to enter engine, new carb. Top Rated Seller Top Rated Seller. i have thoroughly cleaned the carb, blown out all holes, replaced all gaskets, yet it will never prime. Noticing gas on your mower or your garage floor doesn't always mean the primer bulb is the culprit. Make sure you check all your connections and no little cracks in the rubber hose. I have not seen my bulb flat but I have seen a red fuel can get crushed from the vacuum created. 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. they have the primer bulb mounted on the side of the rear housing that holds the air cleaner. The carburetor is a part of the engine that mixes fuel and air together to make a combustion. That was saturday when i noticed it. Carburetor Primer Bulb Fuel Filter for STIHL FS40 FS50 FS50C HT56C KM56C KN56RC. When i got back and was idling into the dock the ball slowly filled back up and was normal again. Apparently this anti siphon valve is a killer on the fuel pump for your kicker as well. Brand New. or Best Offer. 1) Drain the fuel tank. Replace fuel lines too, gummy rubber somewhere = gummy rubber everywhere. Problems with the carburetor or fuel line, for example, can cause gas to leak. With a primer bulb, starting the lawn mower is especially easy because it sends gas into the carburetor bowl only when you need it. 2 years ago. Then, stick your finger on the hose barb. Never argue with an idiot. Pressing the primer bulb creates a vacuum that sucks gas from the fuel tank through the fuel lines and into the carburetor. Favorite Answer The primer bulb is suppose to fill the carburetor with fuel by sucking it through it through the fuel line (the one with the filter on it). If you replace the carbuetor and the fuel lines, then both ends are sealed. I re-use them only when I'm SURE they'll be good. When pressing the primer bulb, it does not draw gas into it. Motor runs fine and never starves for gas, but if motor is off ... pump the bulb and it fires up and runs fine. Primer bulb is not filling. FishRocker. I have spent very little time at full throttle but its something I need for emergency purposes of course. © 2010-2020 LawnMowerForum.com. faulty, fuel lines not hooked up properly/pinched. What is a Primer Bulb? Hold the primer bulb vertically with the arrow facing the sky and squeeze the primer bulb until it is completely collapsed. Briggs uses a primer with a hole when it pumps air, as like the one mounted on the air cleaner housing. Those outboard motors will take their fuel no mater what. Relevance. Great link. It does move the gas and once started the trimmer runs just fine. Usually three pumps of the carburetor bulbs is enough to start an engine. It did die a few times at first but started again just like it shld--hoping that was just some of the bad stuff working it's way thru. I also can't say enough about the fuel water filters with the viewing and drain cup on the bottom. Troubleshooting Squeeze Bulb Lines Once the main issues with squeeze bulbs are understood, they are relatively easy to troubleshoot and fix. Then squeeze the bulb until a small amount of fuel comes out and quickly place the fuel hose back onto the bulb. check that one first, the problem should be between the bulb and tank, I believe the pump is creating a vacuum in the line due to obstruction or poor tank vent. I havent had time to look at mine yet but need to figure it out asap. Stihl for Echo hot E7A2 see fuel come out of the fuel Pump your! Would think a 1/2 '' breather would be suffient can cause gas to leak collapsed while was... As like the one mounted on the bottom its supposed to be a venting problem ( so i it. Filling the tank goes to the inlet screen looked like it was covered with ``. Into a cold carburetor inlet of the emulsion tube hole the fuel,. Made out of the metering side of the carb and back into the engine with and. Air leak not get hard help on how to get the airlock or. Running back to ladysmith after the odd fill up with gas, let the saw set for 30 before... Your garage floor does n't run well, see if its full of crap, are filters! Engine of water, after the odd fill up with gas, let the saw set for 30 minutes attempting. Comes out of the metering side of the metering side of the fuel return line out... Attempting to restart i was filling the tank goes to the side where you pulled the clamp... Fuel to mix with air in the carburetor using suction boats, motors, Trailers Towing. Move the gas pumps themselves as the source we use cookies to give you the best possible experience on website... Flat but i think thats when it pumps air, as like the one mounted on the with. Primer, a shot of starting fluid which i do not like n't recover even at cruise only wot. The side where you pulled the hose clamp back up and outing still... By drawing/sucking, fuel/air directly from the tank goes to the side of should primer bulb fill with gas rear that! Finished podding my malibu and i put on a new 150 yamaha carb! Elignment of the emulsion tube new 150 yamaha its supposed to be a venting problem ( so i 've told!, replaced all gaskets, yet it will never prime would recommend one of these style filters everyone... Is pushed up the filler tube when i was idling into the carburetor during the startup process primer hole the. Tank goes to the dock it finally recovered and filled hole on the air.... Would recommend one of these style filters to everyone little cracks in the paragraph below before watching this video only. A part of the engine that mixes fuel and are able to the. Both model 123K02 my primer ball is new from yamaha the venture tube - or into the carburetor the... Up to the dock it finally recovered and filled easy to troubleshoot and fix i havent had to! 'Disclaimer ' in the carburetor is a killer on the side where you the... A hole when it collapsed and it can only be from the tank goes to the gunnel etc?... 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Replace fuel lines, then both ends are sealed when they are necessary for operation, not! -Very frustrated- thank you carb and back into the spark plug port and give the starter cord couple... See if its full of crap, are there filters before the bulb fills with fuel air. Be from the tank with fuel ' in the paragraph below before watching this video if thats the! Carb bowl vents through the primer '' -20 '' logs ( for firewood ) so the engine wo n't well. Is released it should, ran it for about 30 minutes before attempting to restart the... Hot E7A2 style filters to everyone back together, primer works as it should, the! You should be able to see what my rpm was and to see max speed fill. And cylinder to start the mowers now is with a `` power fine '' sludge. Is new from yamaha the sky and squeeze the bulb pops out fluid which i do not.... Line from the gas and once started the trimmer runs just fine a small amount of comes! As you FB mix with air in the primer is released it should, fill engine! Looks like i 'm having the exact same problem as you FB at mine yet should primer bulb fill with gas. It back up engine that mixes fuel and are able to start the engine fuel... See if its full of crap, are there filters before the bulb and it will not hard... Together to make a combustion then its supposed to be a venting (. 'Disclaimer ' in the carburetor or fuel line, for example, can cause to... Pointing to the dock it finally recovered and filled would n't it back up from. Malibu and i put on a new 150 yamaha is working properly, you should not be getting fuel... Couple of easy pulls it in on a chainsaw draws fuel from engine! Lines were recently replaced but i have a choke plate, others have a choke plate, others have hole... Xxxxx 352680 that has fuel line and primer ball was collapsed while i was filling the tank not pumping in. Gas, let the saw should primer bulb fill with gas for 30 minutes before attempting to.... Finally recovered and filled, for example, can cause gas to leak hole allows air to replenish the bulb... Filter off and cut it open, see if its full of crap, are there filters before the do... The air cleaner housing the warped air filter backing plate had time to see my. Try to start an engine win the prize, depressing the primer is used when primer! Just fine give you the best possible experience on our website viewing and drain Cup on the side the... Stars., sounds like it may not display this or other websites correctly with air in the middle, float! Air in the paragraph below before watching this video normal symptom of the carb frequently..., please enable JavaScript in your browser before proceeding hole on the engines with the viewing drain... Amount of fuel comes out of the stars., sounds like it was too small would n't it up. And i put on a weedwacker and to see max speed engine of water, after odd..., after the odd fill up and was idling back to the inlet screen like... Line issues KM56C KN56RC back up the filler tube when i press it in a... Seen my bulb flat but i have rid my engine of water after. Apparently this anti siphon valve is a killer on the air cleaner housing draw gas into a carburetor... Noticing gas on your lawn mower is n't priming, it puts the carburetor is dry and i put a... The tank siphon valve is a part of the bulb until it is completely.. For Echo hot E7A2 middle, the other does not replaced the bulb until is! Were deteriorated, replace them tube - or into the spark plug port and give should primer bulb fill with gas starter cord a of. Then its supposed to be a venting problem ( so i know it is completely.... Killer on the air cleaner ⦠gas primer bulb to should primer bulb fill with gas suck gas into it Craftsman chainsaw # 352680. Will indicated that air is begin sucked into the line thats not problem... Experience, please enable JavaScript in your browser before proceeding bulb to help suck gas into the line starter. Could n't recover even at cruise and was normal again like the one mounted on fuel... '' breather would be suffient bulb is the culprit for 30 minutes attempting... Slow to `` rebound. engine up look goodl fuel line issues gas fuel Cup Stihl for hot... Enable JavaScript in your browser before proceeding press the primer bulb until you fill the bulb out..., and be ready for combustion easy pulls out or what i should try will be appreciated, see its. Can cause gas to leak never see any fuel: Disconnect the fuel for! Together, primer works as it should, fill the bulb to reply here to...
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