Stihl weed eater primer bulb not filling

Jul 13, 2024
6. Bad Primer Bulb. A cracked STIHL primer bulb that won't fill with fuel won't function correctly to get fuel to the carburetor for starting the edger. If the primer bulb appears in good condition and it still won't fill, check for a clogged fuel filter or fuel line. SOLUTION: Replace with a new primer bulb. 7. Clogged Fuel Filter.

Links to products I have in my tool bag.Compression tester. https://amzn.to/2NMgezeSpark Checker. https://amzn.to/3bnXjmATygon Fuel Line. https://amzn.to/...3 Things To Do When The Primer Bulb Isn't Filling With Gas. Reason 1: A Faulty Primer Bulb May Have Leakage. Fix: Apply Some Duct Tape Or Super Glue. Reason 2: Heavily Defective Primer Bulb Won't Fill Up Gas. Fix: Install a New Primer Bulb. Reason 3: A Clogged Fuel Line Can Interrupt Gasflow.1. Blocked Fuel Line. If your lawn mower's primer is not working, it may be due to a blocked fuel line. This is not uncommon in small engines, as dirt and debris can accumulate and clog the fuel line. A clogged fuel line prevents the fuel from reaching the primer. This can be caused by dirt or debris in the tank, a kinked or damaged fuel line ...Sthil FS36 weed eater primer bulb removal and replacement. This video shows you the inside of the weed eater and how to remove and replace the primer bulb. F...Primer bulbs work by creating a vacuum that sucks fuel from the tank and adds pressure to force it into the carburetor. Many small engines use a primer bulb to make starting easier...A weed eater primer bulb the is not filling is not going on allow you to get much employment over. I explain what could be causing this issue + how to fix it. ... But, supposing you're pressing the button the nothing exists happening, additionally the primer bulb is not filling, then it's going to be nearly impracticable to get your ...You can also view FS 46 parts diagrams and manuals, watch related videos or review common problems that may help answer your questions to get started on fixing your String Trimmer model. For additional assistance, please contact our customer service number at 1-800-269-2609, 24 hours a day, seven days a week or send us a message using the live ...Jul 10, 2011 · THAT was a response! I am also having trouble with my primer bulb on the FS 45 Stihl trimmer. The bulb has fuel in it but will not pop back up. I'm gathering from your well described post that a full carb kit replacement might be in order? The unit is only 3 yrs old but was stored with old gas.Got one there for me Stihl trimmer. B. bubbatime. Joined Mar 18, 2008 Messages 6,638 Location South Florida. Apr 25, 2017 #6 ... UPDATE: Installed new fuel filter and primer bulb. It would not start again. It would run when I put fuel in the plug hole. Decided that enough was enough, took advantage of Stihl Days and bought a new Stihl. ...This Stihl hedge trimmer looks a little rough, but after replacing the primer bulb it just keeps running and running.Bad Primer Bulb. A cracked primer bulb that won’t fill with fuel won’t function correctly to get fuel to the carburetor for starting the string trimmer. If the primer bulb appears in good condition and it still won’t fill, check for a clogged fuel filter or fuel line. SOLUTION: Replace with a new primer bulb. Plugged Fuel FilterJul 11, 2010 · Technician: Ranwell1. I would first replace the fuel lines. Even if the appear to be good, they can have a small pin hole in them that will cause this problem. Make sure that the fule filter is connected to the line inside the fuel tank, the engine will not work with the filter off. I would then probably change the primer bulb.unauthorized persons do not use it. Most of these safety precautions and warnings apply to the use of all STIHL trimmers. Different models may have different parts and controls. See the appropriate section of your instruction manual for a description of the controls and the function of the parts of your model. Safe use of a trimmer involvesBrand: HURI. 4.8 17 ratings. $825. Get Fast, Free Shipping with Amazon Prime. FREE Returns. Replacement parts,non original. Fit for Stihl FS90R FS110R FS130R. Package include 15pcs primer bulbs. Report an issue with this product or seller.1762 posts · Joined 2008. #2 · Feb 1, 2016. The primer isn't a primer at all, it is an air purge for the carburetor system. Yes, the little white thing hanging out in space is a tank vent - supposed to let air in, and not out. When you pinch off the fuel lines and let up on the primer, on the return of the bulb is emptying what fuel it can ...Why is my Poulan chainsaw primer bulb not working? There are a few reasons why your Poulan chainsaw primer bulb might not be working. Here are the most common: The bulb is clogged. The primer bulb can become clogged with dirt, dust, or other debris. This can prevent the bulb from filling with fuel, which will prevent the chainsaw from starting.primer bulbhttps://amzn.to/2LgvnrRstihl toolhttps://amzn.to/35m7jdUtodays t-shirt brought to you by YOUR NAME HEREhttps://amzn.to/30Ca7Bhcheck out my beautif...As a rule, it's a good idea to replace the primer bulb and the fuel lines at the same time when you have the primer bulb assembly dismantled. Select tubing that's the same diameter as the tubing that's already on the lawn mower. Pull off the old lines, hold them against the coil of new line and cut the new line to the same length.Green Machine Leaf Blower Primer Bulb, String Trimmer Primer Bulb; Homelite Edger Primer Bulb, String Trimmer Primer Bulb; HOMELITE SX-135 WITH WALBRO CARBURETOR, UT21566; ... STENS 615-740 PRIMER BULB for Stihl • Not compatible with greater than 10% ethanol fuel • ID:0.579" REPLACES: ECHO 12318140630; HOMELITE 01201; HOMELITE UP-04802 ...Remove the screws and set them aside. Pull the gas bulb and metal retaining plate off the engine. Press the gas bulb's round end with one finger while holding the metal plate. Push the bulb through the metal plate. Insert a new gas bulb into the hole in the plate. Replace the plate on the engine aligning the screw holes.Using authentic Stihl FS 45 parts ensures your string trimmer runs smoothly and reliably, just as the manufacturers intended. At Repair Clinic, we understand the value of having the right part for the job. We stock thousands of Stihl FS 45 weed eater parts tailored to fit and function perfectly with your Stihl FS 45 string trimmer.Chainsaw & Trimmer Parts. Parts To Fit . Stihl. Primer Bulb fits Selected Stihl Trimmers w/ C1U C1Q C1M Carb Carburetor FS38 ... Stihl primer bulbs. Perfect fit, great value and prompt service. Can't ask for more than that. ... whenever you are asked to fill in a form on the website, look for the box that you can click to indicate that you do ...1030 posts · Joined 2005. #1 · Jun 2, 2012. My FS100RX is filling up the air filter with gas when not in use. Either in a horizontal or vertical position. I tried cleaning the carb a couple times with no luck. Instead of ordering a carb kit I ordered a new carb. It didn't come in yet, so I took a good working carb off of my FS90R and put it ...Does your kid ask for the same thing at every meal? Does she refuse to eat if her fruit is touching her chicken nugget? These scenarios are familiar to parents of picky eaters, and...Tip the unit so that gas is in contact with the return line too. See if it fills up while pumping. If so, you either have the lines connected backwards or the check valves for the primer aren't working properly. Upvote. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Help with Stihl FS80R primer bulb won’t fill with new ...Once you have removed the old primer bulb and cleaned the area, it's time to install the new one. Start by applying a small amount of lubricant to the inside of the primer bulb to help with installation. Then, align the tube on the primer bulb with the hole in the primer base. Press firmly to ensure a tight seal.Primer bulb replaced on Stihl trimmerPrimer bulb replaced on Stihl trimmerThe primer bulb in weed eaters has a very important role. It pumps fuel in the carburetor so you can start the engine even if it is cold. Like all engine components, primer bulbs get worn out or damaged. The question you are asking no doubt is whether you can buy from any brand. That is what I will answer here. Weed eater primer are not …Amazon.com: HURI Primer Bulb Fuel Line for Stihl Ms211 Ms192t Ms210 Ms230 Ms250 Ht250 Fs36 Fs40 Fs44 Fs120 Fs120r Fs250 : Patio, Lawn & Garden ... 5.0 out of 5 stars Quality products, just what I needed for my weed eater carburetor. Reviewed in the United States on June 25, 2023. Verified Purchase.Get the Newest STIHL Multi-Tool at Amazon: Must Have! https://amzn.to/3lrQoP6What to do when your STIHL Equipment won't run or idle? This quick fix will get ...As a rule, it's a good idea to replace the primer bulb and the fuel lines at the same time when you have the primer bulb assembly dismantled. Select tubing that's the same diameter as the tubing that's already on the lawn mower. Pull off the old lines, hold them against the coil of new line and cut the new line to the same length.Replace the primer bulb. You're welcome. If he went to use it, or used it recently he would notice if the bulb was shot because it would of been cracked and wouldn't of been able to be primed. Posted: 10/20/2018 5:34:25 PM EDT. [#4] Could be the fuel line or return line is broken/split. Don't hang it upside down.Stihl Carburetor Primer Bulbs available online from LawnMowerPros. We carry a large selection of aftermarket Stihl Primer Bulbs. Our online catalog has a large selection of Stihl Carburetor Parts ready to ship to your door. 6 Products Found. Oregon 07-073 Primer Bulb With Line - Fits Fs350 And Fs400 for Stihl. REPLACES:Stihl string trimmer primer bulb doesn't fill - reason - YouTube. Split. 290 subscribers. Subscribed. 211. 179K views 6 years ago. This is FS55 carburetor without priming. Reason and...8. Bad Primer Bulb on a Chainsaw. A cracked primer bulb that won't fill up with fuel won't function correctly to get fuel to the carburetor. SOLUTION: Replace with a new primer bulb. 9. Clogged or Punctured Fuel Line. Letting fuel sit in your chainsaw for a long time can leave behind a substance that builds up in the fuel line restricting ...Features. When you need more power to cut through your landscaping tasks, the STIHL FS 111 R trimmer has the extra muscle you're looking for. Its low exhaust emission engine is powerful and provides 30% longer run times than the previous model. This professional trimmer features a three-step starting procedure that saves time and a vertical ...Recently got a stihl FS38 that was missing its carburetor. I went online and purchased a brand new one with all the gaskets and fuel lines etc. I installed the the new carb, fuel line and filter. I noticed that the primer bulb only fills about a quarter full when primed. The trimmer starts, but...The trimmer ran great for 3-5 minutes then just died. I was edging the sidewalk at the time so just thought it was the angle. Gave the cord a pull and it started right up and ran for another minute or two and died. Gave the code a pull and it would not start. When I pushed the primer bulb it would not fill. So I tried to figure out what was ...Primer bulb not filling Hi, I have a Poulan WT 200 leaf blower with a brand new 530071775 carb,new fuel lines and a new fuel filter.I can't get the primer bulb to fill with fuel.I've tried with the carb attached & unattached to the engine block.I took pics of the fuel line configuration before I started so they are re-connected properly.Mar 25, 2018 · Blower, lawn mower, weed eater, trimmer. How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. Blower, lawn mower, weed eater, trimmer.AILEETE 4226 121 2700 Primer Bulb for Stihl Trimmer FS55 FS55R FS56RC FS70 FS80R FS85 FS90 FS90R FS91 FS91R FS110 FS111 FS130R FS40C FS45 BG55 BG56C BG65 BG75 BG85 BG86 (Pack of 10) dummy FJSaDobo 12pc 16032-ZM3-004 Primer Bulb for Hon da GX22 GX25 GX35 GX25NT GX25N GX35NT HHT25S HHT31S UMK422 UMK422K1 UMK431 Trimmer Brush CutterStep 3. Clean The Air Bulb Seat. You see, a lot of dust and debris might often pile up at the air bulb seat on the weed eater. If those enter the carburetor, there's a high chance that they might do great damage to the inside mechanism of the weedeater. Step 4.Turn the screws about 1 turn counterclockwise. Turn on the engine, and slightly turn the "Lo" screw counterclockwise until the engine sounds evens out. Then rev up the throttle. If the engine sputters or dies, turn the "Hi" screw clockwise until it evens out. To clean out the carburetor:Primer bulbs do not work well if there is lots of air and no fuel. I spent over one hour getting my new boat primed. You might try running the hose and bulb to a can of gas (lots of things can go bad with can of gas, be careful) and see if the motor will fill and firm up the bulb.This trimmer was dropped off because it was not running and they asked me to see what was going on. One issue became obvious after looking at it. I ordered a...Unscrew the four screws that hold the primer bulb unit in place with a Phillips screwdriver. Remove the screws and the faceplate that hold the primer button in place. Pop the bulb out of the faceplate. Insert the new primer bulb into the faceplate and place the faceplate and bulb back on the mounting from which you removed it.It has the bulb, and it seems to be working fine. I typically only pump it enough to fill the bulb, and then try cranking. My other trimmer, a straight shaft Stihl 55, its considerably easier to crank. All you have to do is hit the primer bulb a few times, switch the choke on, pull a couple of times, switch off choke, and it will fire right up.If it's sucking air, there is a leak somewhere on the suction side of the prime bulb. Possibilities: A fuel line is nicked, cracked, loose, or shrunk, or the fuel lines are plumbed incorrectly. The priming bulb is defective or installed incorrectly. There is a defective gasket in the carburetor. This is an older thread, you may not receive a ...Stihl FS36 weed eater primer bulb removal and replacement. This is a partial video and full description of how to remove the housing from the weed eater.Chainsaw & Trimmer Parts. Parts To Fit . Stihl. Primer Bulb fits Selected Stihl Trimmers w/ C1U C1Q C1M Carb Carburetor FS38 ... Stihl primer bulbs. Perfect fit, great value and prompt service. Can't ask for more than that. ... whenever you are asked to fill in a form on the website, look for the box that you can click to indicate that you do ...May 23, 2014 · This is a quick how to video on replacing the primer bulb on a Stihl FS55 trimmer.This will work the same on the FS45 / FS65 models as well.This primer bulb ...Yes, on some models, I have seen folks have the fuel supply line hooked into the "primer bulb" and it would only run a second or two. I guess the primer was forcing a bit of fuel through the carb for it to run a second or two. Many folks are looking for it to prime just like their pushmower. A.4. Start the Weed Wacker: Place the Weed Wacker on a flat surface and make sure the engine switch is in the “on” position. Pull the starter cord slowly until you hear the engine roar; then push the choke lever towards the engine. Start the engine by pushing the primer bulb again and pull the starter cord. The Weed Wacker should start ...The most common mistake made is using the wrong ratio. Two-stroke weed eaters use a 40:1 or 50:1 fuel ratio. If this is not followed, the engine might stall when you run it at full throttle. In some cases it might not start at all. The other potential problem is using fuel with more than 10% ethanol.This is a quick video showing how easy it is to replace the purge (primer) bulb on a Stihl FS pro trimmer. This will work for many different models (and makes!) as …How to replace/remove primer bulb/purge bulb from petrol Stihl FS56rc String trimmer,weed whacker,weed eater,strimmer .Also shows you how to remove air filte...99.9% of primer bulbs (purge bulbs) don’t spray any fuel into the carb throat of a 2 stroke. They pull fuel through the carb (on the out stroke) and return it to the tank (on the in stroke) to purge the air from the fuel line. The .1% that do spray also pull the fuel as above. The bulb should always fill with fuel.I will show you how easy it is to replace the fuel pump bubble on your Stihl weed-eater or any other weedeater that is similar. Rather pay someone to do this...AutoCut® EasySpool™ C 26-2 Cutting Head. STIHL AutoCut® EasySpool™ trimmer heads are easy loading cutting attachments that do not require any disassembly of the head. Made of durable and robust heavy-duty plastic, these trimmer heads are ideal for residential trimming applications. They are compatible with thick lines and feature improved ...Aug 6, 2014 ... Make sure spark plug valve is open... Leave spark out for a day... Come back to put it in, betcha that works.My primer bulb would not fill with gas even after I replaced it and replaced the fuel lines and fuel filter. This video shows how I fixed it. Was just a stub...Serial Numbers Affected: Up to 284012099 Description: Specifically, the levels of ethanol, aromatics or other additives in some gasoline sold in the United States may distort parts of the fuel cap, which could make caps more difficult to install and/or remove. If a fuel cap is not properly installed and fuel spillage results, there is a risk of fire if an ignition source is present, which ...A quick tutorial on how I change the file bubble on a Stihl string trimmer.primer bulb. Part Number: 615740. Specs. ID: 0.579 ". Equipment Type: 2 Cycle Small Engine. Equipment Type: String Trimmer. Not compatible with greater than 10% ethanol fuel. Fits Model. WALBRO : WA, WT, WY, WYJ, WYK, WYL, WYP and WZ carburetors that require a 3/4" OD x 9/16" HT primerbulb.Primer Bulb 694395 - Replacement Part for Quantum/OHV/Intek Engines - Fits Walk-Behind Mowers - Series 625-875. 11. • For walk-behind mower. • For quantum 3.5 - 6.75 gross HP/CV engines and OHV/Intek 5.5 - 7.0 gross HP/CV engines. • Series 625 - 875. Find Primer bulb power equipment parts at Lowe's today.For questions about service and repair, please call Echo at 1-800-432-ECHO or reference the Service & Repair document. Includes: purge bulbs - 3 sizes for a precise fit, depending on equipment type. For use on: ECHO trimmers, brushcutters, pruners, edgers, tillers, hedge trimmers, chainsaws, bed redefiners, blowers and power attachment series ...AILEETE 4226 121 2700 Primer Bulb for Stihl Trimmer FS55 FS55R FS56RC FS70 FS80R FS85 FS90 FS90R FS91 FS91R FS110 FS111 FS130R FS40C FS45 BG55 BG56C BG65 BG75 BG85 BG86 (Pack of 10) dummy FJSaDobo 12pc 16032-ZM3-004 Primer Bulb for Hon da GX22 GX25 GX35 GX25NT GX25N GX35NT HHT25S HHT31S UMK422 UMK422K1 UMK431 Trimmer Brush CutterStihl String Trimmer Primer Bulb. Genuine OEM Part # 0057030 | RC Item # 2683153 # 0057030 RC Item # 2683153. Rating (5) 5 star rating. Reviews. Skill Level (1) ... If the primer bulb is cracked, torn, or not sealing properly, it may be unable to draw enough fuel into the carburetor. This can make it difficult for the engine to start.FLYPIG New Pack of 5 Replace Primer Bulb Bulbs Pump For Stihl FS46 FS45 FS55 FS40 FS40C FS50 FS90 String Trimmer(0057003 0057004 Echo 12538108660) 201. $6.78 $ 6. 78. Next page. From the brand. Previous page. Hipa's all-in-one kits can quick and easy to maintain or restore your lawn and garden equipment, keep your small machines running like ...This trimmer was dropped off because it was not running and they asked me to see what was going on. One issue became obvious after looking at it. I ordered a...Replacing the air bulb takes just a few minutes. So, the techniques of replacing the primer bulb on this weedeater are given below: Step 1. Install the Bulb On Carburetor. For the first step you need to set the bulb on the carburetor properly. Be sure you do not start the engine by accident by unplugging the spark plug wire.Jul 26, 2020 · I will show you how easy it is to replace the fuel pump bubble on your Stihl weed-eater or any other weedeater that is similar. Rather pay someone to do this...1 post · Joined 2009. #1 · Sep 25, 2009. I used a stihl fs45 weed eater and it worked fine then was a little doggy and wanted to bog out after I let off the gas to let it idle unless I hit the throttle real quick all the way again. Now it won't even start and thee is air in the primer bulb. It seems like its not getting the prime.Jul 11, 2021 · This video troubleshoots an Echo string trimmer, model SRM-210, that was left for trash on the side of the road. It was discovered that the purge (or primer...

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That 30yearTech. 6122 posts · Joined 2006. #7 · Aug 8, 2008. I would check or replace the high speed check valve, if it leaks the primer will not work and you will not be able to get the engine to run. They will start with a bad check valve, but as soon as you take the choke off, they will lean out and die.Apr 27, 2010. #5. the primer bulb should be mostly fuel, check the lines they get old and start cracking. replace with tygon. there is a fuel pump in the carb operated by pulses from the crank case, the diaphragm in it can can go bad also. A Government Is a Body of People, Usually Notably Ungoverned, Shepherd Book.1. Messages. 2. May 20, 2014 / Trimmer won't start after primer bulb replaced, not sure what else to check. #1. Toro trimmer model 51972. Last time I used it, I saw that the priming bulb had a crack in it, and was leaking gas. I got it primed and running, but it quit after 15 minutes. Looking in the tank, I saw that the fuel line had broken at ...

How 2 Pack Air Filter with Fuel Filter Spark Plug Primer Bulb Tune up Kit for Stihl Blower BG45 BG46 BG55 BG65 BG85 SH55 SH85 BR45C Replaces 4229 120 1800. 4.5 out of 5 stars. 349. 50+ bought in past month ... FLYPIG New Pack of 5 Replace Primer Bulb Bulbs Pump For Stihl FS46 FS45 FS55 FS40 FS40C FS50 FS90 String Trimmer(0057003 0057004 Echo ...This 530047721 Primer Bulb is a genuine replacement part for string trimmers and is available now from Repair Clinic. Get your string trimmer back up and running with DIY instructions and OEM replacement parts. ... Stihl, Craftsman, Husqvarna, Weed Eater, Poulan, Poulan Pro. Related Articles & Videos. 01:14. Troubleshooting. Chainsaw Chain Not ...Replacement Primer Bulb Fits Stihl Trimmer Blower Chainsaw 4226-121-2700. 3.6 out of 5 stars 13. 50+ bought in past month. $7.99 $ 7. 99. 5% coupon applied at checkout Save 5% with coupon. FREE delivery Nov 29 - Dec 1 . Or fastest delivery Nov 28 - 30 . Small Business.STIHL's philosophy is to continually improve all of its products. As a result, engineering changes and improve-ments are made from time to time. If the operating characteristics or the appear-ance of your trimmer/brushcutter differs from those described in this manual, please contact your STIHL dealer for information and assistance.Stihl Line Trimmer How to Replace Repair Primer Bulb #howto #lawncare #smallenginerepair #primer. I set out to mow the lawn and needed to trim the edges firs...

When When, provided you’re pressing aforementioned touch and nothing remains happening, and the primer bulb is not filling, then it’s going to being nearly impossible to get your engine fired up. So, instead the continues the struggle with your weed eater, suffer me percentage with you who gemeinen causes of reason your primer bulb won’t fill up …Jul 10, 2019 / FS90 faulty primer bulb. #3. The PURGE bulb draws air , then fuel out of the carb and returns it to the fuel tank, which is pressurised to around 7 psi. In order to do this it has a check valve ( some times 2 ) so the air & fuel can only go one way, from the carb to the tank.…

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nbc news fort myers florida Amazon.com: 4-Pack 0057003 0057004 Carburetor Primer Bulb Replacement for Homelite Echo Stihl Robi Zama Primer Pouland 561635001 A01195A 0058001 12538108660 : Patio, Lawn & Garden ... AILEETE SRM 225 Primer Bulb 12538108660 for Echo Trimmer SRM-210 SRM-225 SRM-230 SRM-2100 GT-225 GT-2000 PAS-225 PB-250 PB-250LN HC-150, Replaces P005003120 Zama ...Stihl FS94R starting problem. Had 2 units with problem....plug..filter..cleaned carb.....eventually new carb. One took right off without any adjustments. The other one requires using primer to start. Got three units that don't require priming. I notice that primer bulb is empty each time I go to start. who is the girl in the bluechew commercialinternal prefix crossword clue The primer bulb on a weedeater is there to help add fuel to the carburetor before starting the engine. If the primer bulb is not working, the engine will not start. To bypass the primer bulb, remove the cover from the carburetor and locate the primer bulb. There will be a small hole in the carburetor body with a rubber grommet. Remove the ...Stihl HS-80 trimmer, primer bulb ? By LLA, 13 years ago on Garden & Patio. Stihl HS-80 trimmer, primer bulb ? 4,305 4.3K. I have a Stihl HS-80 trimmer. I need to replace the primer buld. One on the screws is blocked by a orange plastic part. The throtle wire goes around this part. best big bootie mix rankingduration vs emeraldgoogle fi voicemail iphone SONY DSC Getty. If you've used the correct procedure to start your Stihl trimmer and it does not start, the problem is likely related to either the spark, the fuel or the air circulation in the combustion chamber. More often than not, it's an easy fix, possibly involving replacement of a spark plug or air filter.6. The Carburetor Is Not Working. A primer bulb connected to the carburetor through a port or hose pulls fuel into the device by creating a suction, also referred to as purging. Thus, the primer bulb is a purge bulb, too. If a primer bulb is fastened directly onto the carburetor, the compression and reversion force fuel into the device. bg3 elixir of peerless focus Sharpen Your Hedger and Primer Bulb Replacement on a Stihl HL 91K. This step by step DIY video will show you how easy it is to replace a primer bulb. We als... kubota dealer longview txtrue excaliburengine hot ac off 2008 impala The nice thing about Stihl is that color aside; these domes are universal within the brand. Moreover, you can use Stihl primer bulbs to replace Husqvarna primer bulbs if they break. Primer Bulb Echo Weed Eater. Echo weed eater primer bulbs are always transparent. You will find them as separate domes or connected to a black snap-in base.When the primer bulb is pressed the regulating chamber of the carburetor fills with fuel. That way, enough fuel is available immediately at the start to form an air-fuel mixture that will ignite, so fewer pulls on the starter rope are needed. A manual fuel pump makes it easier to start STIHL power tools and reduces the number of pulls required ...