Stihl weed eater primer bulb not filling

1. There could be an air leak. Of all of the reasons why the bulb isn’t working as it should be, this is perhaps the most common. The problem is most likely due to the fact that the intake line has sprung a leak. Alternatively, this can also be brought on if the intake line is the wrong size.

Hey everyone!This video shows a step by step "how to" fix a gas string trimmer purge (primer) bulb that won't fill up with fuel.This fix will work on your we...Weed Eater Primer Bulb None Filling (Why + Whats on Do) If you own a gas powered row chewer, and you probably understand what a primer bulb is. Yourself know, the little rubber button you use to prime the engine up get it started. Well, …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.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.A quick tutorial on how I change the file bubble on a Stihl string trimmer.Here are the most common problems owners of the Stihl FS 38 have experienced and how to fix them. 1. Engine will not start. One of the issues that Stihl FS 38 trimmer users face is that the engine won't start. This could be a lack of fuel in the tank, an incorrect oil and fuel mixture, or clogged air filters.May 28, 2015 · 399 posts · Joined 2015. #2 · May 28, 2015. A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. A plugged fuel filter can do the same. Remove the filter and repeat the test. Check valves are non-serviceable and replacement of the valve body is the only fix.The primer bulb on my McCulloch MH555P hedge trimmer is perished and leaking, unable to use to start motor. There are no visible screws to remove and replace. Does anyone have a set of instructions for the removal and replacement of the primer bulb and fuel lines? Please send answers to [email protected]. Thank you

Replacement Primer Bulb Fits Stihl Trimmer Blower Chainsaw 4226-121-2700. USD $6.85. You save. $0.00. Price when purchased online. How do you want your item? Shipping. Arrives May 9. Free. Pickup. Not available. Delivery. Not available. Delivery to Boydton, 23917. Sold and shipped by Reliable Aftermarket Parts, Inc.I replace the primer bulb in a STIHL HT 56C pole saw. @stihlusa #stihl #chainsaw #diyrepair #ozarkmountains #jointheodysseyFor 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 ...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 ...A demonstration on how to remove/replace/change primer/purge bulb on a Stihl SH86c leaf blower garden vacuum.I managed to do this without totally removing ca...To remove the old primer bulb, the trimmer's carburetor must be accessed. The first steps toward accessing the carburetor are to remove the air cleaner cover and the air filter. 2. Unscrew the two carburetor mount screws. The entire carburetor assembly will pull away from the trimmer after the two mount screws are free.1. Clogged Primer Bulb and Line. The primer is a small plastic bulb with an attached line that feeds the string trimmer fuel. Pressing the primer a few times before starting will deliver the fuel. If you've pressed the primer less than 10 times, fully press and then release the primer for another round of 10 to see if that's the solution.Nov 2, 2017 · 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...

Mar 30, 2021 ... How to fix a string trimmer that won't prime (purge ... Primer bubble not filling on Stihl blower ... Primer bulb not working on chainsaw. Home ...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.To answer your question, pressing on the primer bulb should expel the contents of the primer bulb directly to the tank, without any going back 'the other way'. When you release the primer fuel is pulled from the pickup body in the tank through the fuel line, through the fuel pump, and then through a bypass circuit that 'goes around' the inlet ...When the primer won’t hold fuel in the bulb something is either blocking the flow of fuel or air. Most likely, the gas is getting blocked at the source. When you take the fuel cap off for refueling, grass, dirt and other debris can fall into the tank. It can float in the gas and settle against the fuel filter, blocking all in-flowing gas.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 Wanotine 10-Packs Primer Bulb for Stihl FS90 FS90R FS55 FS55R FS56RC FS70R FS80R FS85 FS91R FS110 FS130 FS130R FS40 FS45 BG50 BG55 BG56 BG65 BG75 BG85 BG86 ...

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2592 Stihl Fuel Pump Primer Bulb 0000 350 6201 021 023 025 BT120 BT121 FC44 FR350 FR450 FR480 FS23 FS24 FS25 FS26 FS36 FS40 FS44 FS94 ... -BEQ, SP200, SP200-Z, SP400, SP401, SP450, SP451, SP471, SP481, SP92C-E, SP92TC-E Note! There are 2 different primer bulbs fitted to FS400, please check the fitting barbs match your original, if not see 2903 ...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: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.The weed-eater has a thick line and a thin line both coming from the fuel tank. The thin line is your fuel feed while the thick one is your fuel return/breather. When replacing the thin line, it connects to the filter inside the tank. Pull out about 1" of fuel line from the fuel cap opening and attach filter.

Hello: own a 5 yr. old husqvarner 125B leaf blower, primer bulb stays depressed, changed bulb,lines,filter, still stays depressed, runs on starter fluid, will not draw gas, … read more Donaldcarb rebuild in fast motionStihl weed eaters have a useful "off" switch. To turn it off, here's what to do: Release the trigger. Let the engine idle. Turn the switch to "off". Hold the trigger lockdown button. Rotate the cutting head 'till it locks. Remove the spark plug boot to completely disable it. It's important to turn it off correctly.Stihl Pole Pruner Primer Bulb. Genuine OEM Part # 530047721 | RC Item # 1985598. 46 Reviews. Skill Level. We sell the real thing! Watch Video. $7.63. Primer bulb (or purge bulb) assembly. The primer bulb draws fuel into the carburetor to make the engine easier to start.Not, if you’re pressing the button and nothing is happening, and the primer bulb is not filling, then it’s leave to be nearly impossible to get to engine fired up. So, rather of continuing to fights through your weed eater, let me share with you one common causes of why your primer pendant won’t replenish up and how to fix it.350 sold. Save up to 20% when you buy more. 188-512 Primer Bulb & Fuel Line / Filter For Weed Eater Ryobi Stihl Ryan Poulan. $9.54. ihome6 (99,757) 99.7%. 691 sold. Save up to 15% when you buy more. Fuel Filter Line Hose Primer Bulb Kit for Poulan 530058709 Craftsman Weed Eater. $6.92.Highlights. Use to help keep your outdoor gas products running strong. Ideal for quick, on-hand tool maintenance. Fits RYOBI and Homelite gas products 2004 and newer. Fits Toro blowers and trimmers 2004 and newer. 0.591 in. W x 0.591 in. D x 0.50 in. H. Includes 2 on-carb primer bulbs and 1 remote primer bulb. Return Policy.Aber, provided you're print the button and nonentity is happening, and the primer bulb lives not filling, then it's going for be nearly impossible to retrieve your engine baked above. So, instead of continuing to struggle with your weed eater, let me share with you the common causes of why your primer bulb won't pack up and how to fix ...Do you know how to store canna bulbs? Find out how to store canna bulbs in this article from HowStuffWorks. Advertisement Although cannas have a stem reminiscent of a ginger lily, ...Connect the pressure gauge to the carburetor’s intake pipe and pump, pressurize the carburetor to 7psi and watch the gauge. It should hold at 7psi. If it doesn’t, then there is a leak on the intake side of the carburetor. Then, press the primer bulb once, and the gauge should drop 2-3psi.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 …

Serial Numbers Affected: Up to 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 ...

Why Choose Turf Eater Primer Bulb is Not Filling (The Short Answer) That primer bulb be responsible for creating pressure within the fuel system-. Supposing and bulb is damaged or the fuel tank is not hermetic, then an required pressure will not be formed. Also, if there your a blockage in the systeme, fuel cannot be dispatched to the undercoat ...Remove the filter housing. Unhook the fuel lines and the throttle cable. Remove the carburetor. Remove the 4 bolts from the top of the carburetor and then one from the bottom and then remove the covers. Pay attention to how the gaskets and diaprams are positioned. Ask Your Own Small Engine Question.Genuine Walbro Primer Bulb - 188-512-1 GHS Part no. WL188-512-1. £7.14 £5.95. Stihl FS350, FS450 Primer Bulb - 0000 350 6201 GHS Part no. 2592. £3.24 £2.70. Genuine Stihl Zama Primer Bulb - 4226 121 2700 GHS Part no. ST4226 121 2700. £5.66 £4.72. Stihl TS410, TS420 Primer Bulb, Pack Of 10 GHS Part no. 2930-10.Buy Petrol Snap in Primer Fuel Bulb Pump for Stihl Ryobi online today! #Petrol #Snap #in #Primer #Fuel #Bulb #Pump #for #Stihl #Ryobi Description: 100% brand new and high quality Material: Plastic Color: Black Specifications: Type: Primer Bulb The Size of: As the pictures shown This product fits for many blowers, chainsaws Fitment: Fit -WALBRO WT …With an easy squeeze of the trigger, this lightweight grass trimmer is capable of handling small to moderate yard work while remaining powerful and surprisingly quiet—under 60 decibels when equipped with STIHL Quiet Line™. Re-filling the line on the FSE 60 is easy thanks to the TapAction™ AutoCut® C 6-2 cutting head.primer bulbhttps://amzn.to/3usRI6Ltodays t-shirt brought to you by YOUR NAME HEREhttps://amzn.to/2RLsNcWif this video helped you donate a buck or two to my G...Electronic Ignition. The most powerful clearing saw in the STIHL lineup, the FS 561 C-EM features the largest cutting swath among STIHL pro clearing saws at 22 inches, giving pros relentless cutting performance for the clearing and thinning of wild growth. The new 9.85-inch circular saw blade effortlessly cuts through growth.78 posts · Joined 2010. #1 · Mar 30, 2011. Hey Folks, Got in a Stihl FS36 Trimmer that was disassembled and Fuel lines missing. Anyone know the routing for the fuel lines. -Top of tank has grommet/hole that I'm sure the vent line goes to. -Tank has two additional holes next to each other: 1) for return line. 2) for fuel filter line.Reviews. Brand new primer bulb for most whipper snipper, brushcutter and chainsaws. This primer bulb suits Ryobi, Talon, GMC, and some Stihl and Honda carburetor's. This primer bulb is quite universal and suits most carburetors. The dimensions:- Inner Diameter 16mm, outer diameter 18mm, height 18mm. The width of the base and opening of the ...

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Stihl Forum . BG 86 fuel issues. Thread starter chris989; Start date Aug 7, 2022 ••• More options Export thread. C. chris989 Forum Newbie. Joined Aug 7, 2022 Threads 1 ... The primer bulb pressurizes the tank and fuel freely flow back to the carb via the hose. I disassembled the carb and blew out every passage but when assmebled i feel ...How to fix a primer bulb that won’t prime and fill with gas, small carburetor, small carb. Blower, lawn mower, weed eater, trimmer.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.Wanotine 10-Packs Primer Bulb for Stihl FS90 FS90R FS55 FS55R FS56RC FS70R FS80R FS85 FS91R FS110 FS130 FS130R FS40 FS45 BG50 BG55 BG56 BG65 BG75 BG85 BG86, ... My weed wacker’s fuel bulb cracked due to age. This simple product fixes my issue quickly. Worth the price and have replacements when needed. Read more. …Hey everyone!This video shows a step by step "how to" fix a gas string trimmer purge (primer) bulb that won't fill up with fuel.This fix will work on your we...9539 posts · Joined 2001. #1 · Oct 11, 2011. I have a Stihl FS110 with the bike handlebar that I use for brush and heavy string trimming. It doesn't get used much. Today I had it on a brush job and ran it out of gas and after I filled it, it wouldn't prime. I figured the primer bulb was probably cracked, but the bulb is fine.Solution. In most cases a fuel leakage situation will be caused by one of the following reasons: NOTE: If one of these situations occurs, there may be a noticeable difficulty in starting and running or may simply be unable to start your unit at all. A damaged or broken primer. Replace the fuel primer if it shows any sign of external damage.399 posts · Joined 2015. #2 · May 28, 2015. A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. A plugged fuel filter can do the same. Remove the filter and repeat the test. Check valves are non-serviceable and replacement of the valve body is the only fix.Never run a straight gas through a STIHL trimmer. This is a sure way to cause the engine to seize due to a lack of lubrication. Additionally, letting old gas sit in a string trimmer for long periods can damage fuel components. STIHL string trimmers require gasoline and oil mixed at a ratio of 50:1. Mix unleaded gasoline of a minimum octane ...The two fuel lines are responsible for carrying the pressure to the tank and the fuel to the carburetor/primer bulb. If either of these becomes damaged, then the pressure will be lost, and the bulb will not fill with fuel. So, give the bulb a press and inspect the lines. If you see fuel or hear any air coming from the line, you'll have found ... ….

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 ...Upvote. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Problem with primer - I have a Stihl string trimmer (model FS76) with a walbro diaphram carburetor (Model WT 227D). I was having a starting problem, so I rebuilt the carburetor with a K10-WAT kit. It has both a primer bulb and a mechanical choke.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 Missiscily (5-Pack) 4226 121 2700 Primer Bulb for fits Stihl FS46 FS45 FS55 FS40 FS40C FS50 FS90 String TrimmerMay 18, 2023 ... Here is a quick how to video on changing out a dry rotted Primer Bulb on a Stihl Weedeater.Garden Tools, Grass Trimmers Help Primer Bulb I have a similar problem with a Stihl leafblower, it worked fine on Sunday and on Monday was difficult to start and will not idle, the engine just dies. The machine is only 18 months old and has not been used much.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 bogs down and shuts off the moment the throttle is applied fully. I am confused, because everything is brand new. The carb, primer bulb, fuel lines are all new out of the box.hey guy, i have a hyper tough h2500 series weed eater and all of the sudden the primer bulb stopped working. it wont suck and fuel in at all and when i press it it stays sucked in. only goes back only when i pull the gas line off of it. i will get some pictures of it because its not like other bulbs. my other 2 weed eaters have the same but not as the hyper tough one. the one im having issues ...Carburetor Primer Bulbs Replacement for Homelite Echo Stihl Ryobi Poulan Zama Primer Gas Fuel Bulb Pump Bulbs 0057003 0057004 0058001 Echo 12538108660 Hometile A01195A (20Pcs) ... Fuel Gas Tank Grommet kit with Fuel Line Filter Primer Bulb for Echo Blower String Trimmer PAS225 PE201 PE310 PB200 PPF210 HC150 HC151 HCA266 SHC210 SHC211 SHC212 ... Stihl weed eater primer bulb not filling, Clogged Primer Bulb and Line. The primer is a small plastic bulb with an …, 41. Sep 7, 2021 / Stihl FS55R trimmer, bulb won't fill. #1. I disassembled the unit to inspect the bulb and fuel lines. Both are fine, not cracked and hold pressure. When I press the …, 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/..., What were hot bulb engines? Read about hot bulb engines at HowStuffWorks Auto. Advertisement When steam was king, and gas and diesel engines were still in their infancy, hot bulb e..., This 0057030 Primer Bulb is a genuine replacement part for lawn mowers and is available now from Repair Clinic. ... String Trimmer, Leaf Blower, Edger, Hedge Trimmer, Pole Pruner Brands: Stihl, Ryobi, Homelite, Echo, Mantis, Shindaiwa, Green Machine, Zama. BBB Rating A+. Related Articles & Videos. 02:21. Part Replacement. Echo String Trimmer ..., In this easy to follow video I show you how to replace the primer bulb on your Weedeater XT-260 grass trimmer. The same procedure will apply to many models o..., The 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 …, 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..., Line Trimmer Cords & Attachments. Special Order. PowerFit Powerfit Primer Bulbs - 2 Pack. 3.8 (5) I/N: 0278677. Compare. 1; 2; PowerFit Powerfit Primer Bulbs - 2 Pack. ... Purchase Powerfit Primer Bulbs - 2 Pack. $9.98. Add to Cart. Collect Flybuys points when you shop in-store or online! Find out more. Get a little more with for $4 with OnePass., Get step-by-step instructions on replacing line in your STIHL trimmer head — right from the source. Before you begin any maintenance on your equipment, make sure the equipment is completely powered off and thoroughly cleaned of dirt and debris. For instructions on how to spool four of our most popular STIHL trimmer heads — AutoCut ..., Here is a quick how to video on changing out a dry rotted Primer Bulb on a Stihl Weedeater., When it's time to do some yard work, the last thing anyone wants to deal with is a weed eater that won't start. It can be frustrating, time-consuming, and. When it's time to do some yard work, the last thing anyone wants to deal with is a weed eater that won't start. It can be frustrating, time-consuming, and, Turn off the ignition switch and remove the spark plug, drying off any gas on the plug. Open the choke and pull the starter rope several times with the piston chamber still open. Replace the spark plug and repeat the usual starting procedure. Primer bulbs on Stihl string trimmers and brush cutters pump a small amount of gas into the carburettor ..., 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., 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 ..., 6 posts · Joined 2016. #1 · May 6, 2017. I have repaired many string trimmer carbs and every now and then, I get one that will just flood the engine and wet the plug without starting. I check for spark and compression and the problem seems to be in flooding and wetting the plug. I don't understand how gas gets into the combustion chamber so much., Not, if you’re pressing the button and nothing is happening, and the primer bulb is not filling, then it’s leave to be nearly impossible to get to engine fired up. So, rather of continuing to fights through your weed eater, let me share with you one common causes of why your primer pendant won’t replenish up and how to fix it., Model # 49M3974P953. Get Pricing & Availability. Use Current Location. Fits most 2-cycle and 4-cycle string trimmers. Replaces worn out primer bulb. Includes both intake and outflow fuel lines. Join. Earn. Save. Learn More. Earn My Points on eligible purchases towards MyLowe's Money., 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 ..., Primer Bulb. Dimensions: 21mm Outer Diameter; Fits: Brushcutters, Blowers, Chainsaw that have a Zama C1U or C1Q/M Carburettor. Stihl. FS74, FS75, FS76, FS80 (Later Model) FS85 Trimmers; OEM: 4226 121 2700, Primer bubble not filling on Stihl blower. Kevin Peters. 214 subscribers. 98K views 3 years ago. ...more. A short video explaining how to unstick the valve on your primer bubble., 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..., The top of the container should be open and visible. You can cut a bottle or use a small bowl for this. Now, connect two fuel lines on the primer bulb and dip the lines into the bowl. Push the bulb and look at which fuel line is causing bubbles. The bubble-generating line indicates that this is the outgoing line., primer bulbhttps://amzn.to/2LgvnrRstihl toolhttps://amzn.to/35m7jdUtodays t-shirt brought to you by YOUR NAME HEREhttps://amzn.to/30Ca7Bhcheck out my beautif..., 4-Pack 530047721 Primer Bulb Replacement for Weed Eater BC3150 Gas Trimmer - Compatible with 12318139130 300780002 188-512-1 Purge Bulb Please note: This is an UpStart Components Brand replacement part, NOT an OEM product. All mentions of brand names or model descriptions are made strictly to illustrate compatibility., 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 ..., Feb 14, 2022 · 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., 2-cycle and 4-cycle primer bulbs for handheld equipment. Replaces Original Equipment numbers starting with 0057004, 118-12, 118-13, 12318140630 and 4133 121 2700. For Troy-Bilt, Bolens, Craftsman, Homelite, Husqvarna, John Deere, Ryan, Ryobi, Stihl, Yard Machines and Yard-Man. Zama (0057004) - fits all 2-cycle and 4-cycle carburetors., About this item . Set of 5 Pcs Small Primer Bulb Snap in Primer Bulbs. Primer Bulbs for Small Engines Fits Carburetors With Snap-in Primer Assembly, Compatible With Pouland, Homelite, Sears, Craftsman, Echo, Weed Eater Primer Bulb, Ryobi, Stihl, McCulloch, Husqvarna Brush Cutters, Chainsaws, Pressure Washers, Blowers, Water Pumps, Edger's, Etc., Stihl: BR500, BR550, BR600, TS700 and TS800. Specs: OD: 1". Height: 1-7/16". White. SN# 287332321 and higher. Additional Information: Click here to visit our Stihl Category. Below are the available bulk discount rates for each individual item when you purchase a certain amount., 399 posts · Joined 2015. #2 · May 28, 2015. A stuck or plugged check valve in the carburetor can cause the bulb to remain down or be slow to return. A plugged fuel filter can do the same. Remove the filter and repeat the test. Check valves are non-serviceable and replacement of the valve body is the only fix., 9539 posts · Joined 2001. #1 · Oct 11, 2011. I have a Stihl FS110 with the bike handlebar that I use for brush and heavy string trimming. It doesn't get used much. Today I had it on a brush job and ran it out of gas and after I filled it, it wouldn't prime. I figured the primer bulb was probably cracked, but the bulb is fine., 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...