https://www.facebook.com/ereplace/ https://twitter.com/ereplace https://www.pinterest.ca/ereplace/?eq=ereplacementparts\u0026etslf=5048 Performance & security by Cloudflare. A weed eater engine is a delicate piece of equipment that requires a good and constant air flow to keep operating. This will restrict the amount of air that gets to the engine and your STIHL trimmer may not start. I rarely see equipment that will start easily cold, without choking or priming. We hope you figured out what went wrong with your leaf blower. Gas starts pouring out the exhaust. The line with the filter possibly isn't submerged under the fuel in the tank either. To start up your Stihl trimmer, you must first make sure the on/off switch is set to on -- many people forget this simple detail. Start the saw let it warm 2-3 min. Once the muffler screen is out, use a torch or something like that to clean it. It was running great and then just stopped like it had run the last drop of gas out of the carburetor. However, in no case should you resort to calcining its elements. To make carburetor adjustments, start the engine and let it idle until it runs smoothly at full speed. Many 2-cycle oils include stabilizers including the engine oil mixes sold by STIHL. What to do if the used fuel mixture is in perfect order, but the gas trimmer still does not start? DoItYourself.com, founded in 1995, is the leading independent home improvement and repair website. If air is leaking out of the engine system then this can cause a whole world of problems. You should make sure that the idle speed is always correct. Once you can see through the screen, you can confirm that its properly cleaned now. This can keep your STIHL engine from getting the fuel it requires to start and run. . If the primer bulb appears in good condition and it still wont fill, check for a clogged fuel filter or fuel line. Remove the plug and check its condition. We hope you love the products we recommend! I still have had no luck in starting my BG85. Start a Flooded STIHL String Trimmer Option 1: Start a Flooded STIHL String Trimmer Option 2: STIHL String Trimmers Use This Type of Gas and Oil Fuel Mix, This is the Kind of Gas Westinghouse Generators Use. You may as well try to clean the carb before you scrap it. Manage Settings Try giving the bulb a press. Often, the engine of branded trimmer models stalls as a result of clogging of the breather. Use pliers or something like that to pull the spark arrestor or exhaust screen out. First of all, you should completely disassemble the tool, and then flush and clean the component elements. . Thank you if you use our links, we really appreciate it! Try a brand new plug, don't mess with the gap either, see what happens. Lets say you do not start the trimmer. I am assuming the plug is getting wet and I need to let it dry out. There are four cycle engines and two cycle engines although the latter is much more common in residential equipment. Answer: First of all it might be the engines problem. Watch out for proof of wear or damage on the spark plug. Move the choke lever to the on position to close the choke and prevent dirt from falling into the air intake. In such situations, you have to independently determine the cause of the malfunction. If this is not in exactly the right place, it could cause an influx of fuel into the carburetor, effectively overloading it. I noticed when I was cranking it that small bits of gas were coming out of and wetting the end of the muffler. Good Luck with it. This is because gas can begin to degrade after this time. Stihl recommends that you mix 2.6 ounces of oil per 1 gallon of gasoline for the correct gasoline-to-oil ratio. Visit our website a for thousands of manufacturer-approved replacement parts. STIHL recommends consuming fuel within 30 days and no longer than 60 days when using a fuel stabilizer. This will avoid the development of corrosion on the surface of important components of the mechanism. I do not know where to start. Roy, you are close. I have replaced the spark plug last year. It looks almost new. You'll find Andrew behind the scenes of almost everything Edge Your Lawn produces. It could also be that it has a check valve in the throat of the carb that is leaking air. Wear gloves, sun-glass, and boots (For Protection) 4. The issue might potentially be with the tools muffler. Would it even make a difference in power? Clean the old candle if there is soot on its surface. It may not display this or other websites correctly. The proportions in which these components are connected are indicated by the manufacturers in the trimmer instruction manual. Now, test your blower again to verify whether the trick worked or not.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'powertoolsask_com-large-mobile-banner-1','ezslot_7',114,'0','0'])};__ez_fad_position('div-gpt-ad-powertoolsask_com-large-mobile-banner-1-0'); You might also notice that over time the BG 50 blower might stop being easy to start and would not stay running after it finally starts. If the engine sputters but won't quite turn over, there's a good chance that the air filter or spark arrestor are clogged. You know when I got this blower a month ago I was amazed at the quick starting 2nd pull starts etc. Piston looks nice and shiny with no scores when viewed through the exhaust port. It started 3rd pull when I started using it today. Replace a fuel line if the clog cant be removed or the line is dry or cracked. Check the spark arrestor & clean or replace it. When not in use, ensure that you store your weed eater in a dry, well-ventilated area. What is causing this and what do I do now? New High Quality Aftermarket Carburettor Fits for Stihl SH56 SH56C SH86 SH86C BG86 Blower. Remove choke and pull until it starts. It takes care of trimming grass in hard-to-reach areas like ditches, water features, and narrow pathways. Push Mower vs Self Propelled: Which Is Better? This product naturally attracts moisture from the air causing premature corrosion and fuel restrictions. Posted via Mobile Device B bullofthenorthwood Registered Joined Dec 10, 2011 20 Posts Disclaimer | Terms & Conditions | Privacy Policy | About Us | Contact Us, 5110 28th Street #1056, Grand Rapids, MI 49512 616-805-9640 [emailprotected]Copyright 2023 Powered Outdoors. If so thats a bad idea. To check the parameter, just put any coin in the lumen. Here are our top-picked fans in case youre replacing the old one. You can easily get yours from here-. Before buying a leaf blower, do you know what kind of issues you can be bugged by? Place the slide control in the stop position. I've always used the choke to start a cold engine, but I did not realize it could flood the engine so easily. If the blower still wont turn on, its possible that the engine is cold. It is extremely not recommended to prepare the fuel mixture in large volumes, that is, for the future. Never use E15 or E85 in the engine as this will damage the engine and most likely void manufacturer warranties. Remove the spark arrestor screen cover, gaskets, and spark arrestor from the muffler. Well when I put it all back together it still would crank. This may cause a malfunction of the cylinder-piston system. 20K views 2 years ago It can be extremely frustrating when you have a mess of leaves in your yard, but no matter how hard you pull on the starter rope, your leaf blower JUST WON'T START. How to start troubleshooting if the trimmer does not start? I hate working on electrical as compared to mechanical woes. BGA 45. Use 1 part of the two-cycle engine oil Clean around . Please Note: This is High Quality Aftermarket Parts and Tested for Maximum Performance. It is necessary to refuel the motorized unit with exclusively high-quality gasoline. I plan to keep it and bring it back to life. However, if these are obstructed, the internal parts may overheat. I am going to take it by and have it looked at. Stihl Bg 86 Won't Start. A STIHL string trimmer won't start due to a wrong choke setting, plugged air filter, plugged fuel filter, clogged fuel line, dirty carburetor, plugged fuel tank vent, plugged spark arrestor, bad spark plug, faulty starter recoil, wrong fuel mixture, or old gasoline. If you find your fuel is dirty, you may need to drain the fuel tank, fill it with fresh fuel and replace the fuel filter. Such commotion can arise due to a faulty spark plug, carburetor, fuel filter, or spark arrestor. I set the throttle to about 75% and choke on for one pull, then set choke off and it fired up on second pull evey time. The saw only sees action in the spring, summer and fall. In this case, the first step is to check whether there is enough fuel in the tank, and also to evaluate the quality of the fuel mixture. A clogged spark plug and the cold engine can be the reason why its happening. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. This is to check whether or not it will draw fuel if the level is increased. I was blowing leaves tonight and it just stopped like it ran out of gas. Click to reveal Oakleigh Mowerpower 1130 - 1132 North Rd, Bentleigh East, VIC 3165 03 9563 7299 Guide it slowly back into the housing so that the starter rope can rewind properly. It seemed to try but simply wouldnt stay running both chocked, not chocked, throtlle set, not set. Rings could be shot not building up enough compression. Thanks. It is a sure way to damage an engine and possibly result in having to spend money to purchase a new trimmer. The consent submitted will only be used for data processing originating from this website. BGA . In case of contamination of the unit, a vacuum forms here, which significantly complicates the supply of fuel. This will give you an indication as to whether the air vent is blocked. The spark arrestor can get plugged with soot. A STIHL string trimmer wont start due to a wrong choke setting, plugged air filter, plugged fuel filter, clogged fuel line, dirty carburetor, plugged fuel tank vent, plugged spark arrestor, bad spark plug, faulty starter recoil, wrong fuel mixture, or old gasoline. Inspect the spark plug, carburetor, fuel filter, & spark arrestor. Indeed, the rush in this case may lead to the need to repair the entire piston group of the engine unit. 5 Most Typical STIHL BG 86 Problems and Solutions, Most Common Echo PB 755 Problems & How to Fix Them, How To Fix Most Common STIHL BR 600 Problems, Common Problems With STIHL BR 450 & How To Fix Them. I have an Echo that's about a week old and it never seems to start with the choke in the cold position. Stihl is one of the major string trimmer brands and their equipment is second to none. Then, stick the screen back in there and bent the tab back. Lets look at how to eliminate such troubles. In this case, you may need to seek out a professional to perform a service. This was the best hand held blower I have ever pulled the trigger on. Nov 19, 2006. If you continue to have problems, have a small engine mechanic diagnose the problem and determine whether a cost-effective repair can be made. Old fuel sitting in your string trimmer can leave a gummy sticky deposit behind that restricts fuel flow. Fill the fuel in the blower 2. I checked the start switch, pulled the plug, replaced gas and tried starting fluid, but no luck. (If you are continuing to work on the trimmer, detach the spark plug wire. Keep at it until no more ejects from the spark plug hole. If the compression feels good when you pull it slowly I would suggest 4 - 5 drops of fresh gas in the spark plug hole then quickly replace the plug and give it a spin, this will rule out fuel problems. Won't Start at All A leaf blower that won't start at all may require fuel. If the fan is slackened, only then tighten it. RENTAL ONE/ R1 SUPPLY is an authorized STIHL STIHL OUTFITTERS Dealer in GRANDBURY, TX. If even in this case the trimmer does not start, it is worth evaluating the quality of the contact between the high-voltage wire and the candle. The next step is to place the leaf blower down on the ground. If I shut it down and let it cool off for about 5-10 minutes, it starts right up and will run fine for another 10 minutes or so until the problem repeats. It can also happen with the switch off and the starter rope being pulled multiple times or when the primer bulb is pushed too many times. Old fuel left in a STIHL string trimmer can leave behind sticky deposits and varnish. After all, no matter how strong a spark is given by a candle, there will simply not be anything to ignite in a completely dry chamber. 6 660mag Joined Dec 29, 2010 Messages 318 Location TEXAS Jun 16, 2011 #7 Place the filter back inside the fuel tank and reinstall the fuel cap. Open both 1 turn CCW from lightly seated. 14.5 oz.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'powertoolsask_com-leader-2','ezslot_11',116,'0','0'])};__ez_fad_position('div-gpt-ad-powertoolsask_com-leader-2-0'); STIHL highly recommends using no more than 10% Ethanol content.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'powertoolsask_com-leader-3','ezslot_14',112,'0','0'])};__ez_fad_position('div-gpt-ad-powertoolsask_com-leader-3-0'); I have already explained in detail each typical problem that can occur with a STIHL BG 50 and shared how to fix them with some quick DIY solutions. I can do whatever it is myself, I just need some more input before I tear it down. eastern,nc. Lawn Mowers, Trimmers, Chainsaws. There may be several reasons for this, most of which can be solved at home. We welcome your comments and suggestions. Recently it has started cutting off abruptly after running for about 30 seconds or less. Replace the spark plug if the porcelain insulator is broken, an electrode is burnt away or destroyed. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. It was cleaned but I left it out ,no help. You are using an out of date browser. I cant get a plug wrench to turn when I get it hooked up. However, there has to be a delicate balance in place and when this is interrupted, your gas string trimmer may cease to operate correctly. This can clog the fuel line and restrict the fuel flow your string trimmer requires to start. If that don't give any results Dave's ignition theory may be correct. If it gets better you have a fuel restriction, start by replacing the fuel filter, if it gets worse lean out the high speed adjustment. As you can see, there are a number of reasons why a gas trimmer may not start. It is designed to keep dirt and debris out of the fuel system. Mine clogged quickly on mine. This website is using a security service to protect itself from online attacks. Do be sure NOT to screw the adjustment needles in tight they will damage easily. BG 50. This problem most often occurs during the operation of older generation trimmer models. The carburetor regulates the amount of fuel that is mixed with air to create combustion in the cylinder. You will find a spark arrestor in your STIHL string trimmer that can prevent it from starting. Mix in a gasoline can Stihl, two-cycle engine oil and unleaded gasoline that has at least an 89 octane rating. Make sure the spark plug is gapped according to your manual's specifications or else the engine won't start. Remove the spark arrestor from the muffler. But before you book in, you should take a look at some of the most simply parts of your string trimmer. Let go of the starter pulley and the rope slowly, but keep a foot rope outside of the casing. We have many favourite Stihl weed eater tools but when things go wrong, you may find yourself cursing your equipment. If the blower was running fine while in your posession . I get mine for $3.95 at walmart. The main task of this component is to equalize the pressure in the fuel tank. Clean away loose dirt from around the filter. Other than starting problems, there can be issues with fuel and blowing air. When you are using a two stroke Stihl string trimmer, the engine has to go through a specific process involving a constant fuel and air flow. Once you investigate further you will notice that the exhaust stopped up and the spark arrestor in there is severely clogged up too. Replace the old blade with a new one when it has been removed. On my stihl handheld blower the muffler has a little piece that is threaded in right where the exhaust exits. It is also important to inspect the functional blocks for damage, if necessary, eliminating the deformation of parts, all kinds of distortions, gusts of materials. Since it never lasts long I have always put up with it, until now. Rebuild any damaged parts or install a new carburetor assembly. #1. the blower will idle all day but as soon as you hit the throttle it bogs and dies. I was thinking of pulling the fuel filter up from inside the tank as a starting point. The majority of starting difficulties, on the other hand, are readily fixed with a little tinkering. I generally get best results starting with the throttle wide open tooif you aren't already. Hold the starter rope in a U shape and use a knife to cut the rope. Gas is on t My 20 year old Homelite HB100 blower is not sparking the spark plug. Then you need to move the piston to the extreme position, after which pour a small amount of oil into the spark plug hole and scroll the crankshaft. Furthermore, you will need to replace the fuel filter from time to time. When he's not helping readers find all the information they need, he's in his backyard working on his lawn and garden landscaping. As a result, engineering changes and improvements are made from time-to-time. Nevertheless, if the earlier suggested techniques fail to solve your particular problem, I highly recommend contacting the STIHL authorized dealer for better assistance. Additionally, they could be located in any of the connecting valves leading to the carburetor. Adjust the choke lever, which is right under the fuel pump bulb. Plug wet every time. Unclog it with a wire brush, thats how youll clean it. When this part is plugged and no longer works, your trimmer will begin to run sluggish and possibly die. good to know I have a neighbor. If even in this case the trimmer does not start, it is worth evaluating the quality of the contact between the high-voltage wire and the candle. Always run your leaf blower with a clean air filter. I installed the plug back and it tried to start but would not keep running. This sticky petrol might block the carburetor. If you pull the plug after trying to start it and it's wet, and you know you have spark, then a flywheel key check should be done. Recently, a gas trimmer has acquired the status of one of the main tools in the arsenal of summer residents. I do not know if the choke is working or not. On my stihl handheld blower the muffler has a little piece that is threaded in right where the exhaust exits. Check after each use of the tool whether oxides and deposits have formed on the surface of the ignition system elements. Repair in this case often exceeds the cost of the device itself. The engine will die if you dont make this adjustment. I recommend replacing the fuel filter at least once a year while checking it periodically. BG 56 C-E, BG 66 L, BG 86. Press the Manual on/off button (If the handle doesn't work) Squeeze the throttle trigger, positioned under the handle. We hope you now know all the problems that may occur with your Stihl Bg 86. Cloudflare Ray ID: 7b9dd1364b029b55 Lets find out what to do if the trimmer does not start. Exhaust is clean and not oily. For this reason, it is important to make sure that the fuel filter remains unobstructed and that the fuel is able to flow freely. Most Stihl trimmers run on an oil/gas mixture, and failure to add oil to the gas in the ratio specified on the instruction manual can cause the engine to seize. As a result of this, the fuel supply will be interrupted and this will prevent the weed wacker from working. #1 Here's what I've done so far: verified that the ignition module/coil is working; verified the start/stop switch is working; installed new plug gapped at .02"; installed new air cleaner; cleaned spark arrestor (it was pretty much pristine even after 9 years of use, thanks to all the operating time at WOT). Replacement screens are inexpensive, but if you prefer to clean the one you have, immerse it overnight in a strong solvent, such as lacquer thinner or acetone. You can find the best wire brushes from ur suggestions below-. Its best to consume fresh gasoline within 30 days of purchase. If you are unable to clean it sufficiently or it is broken or has a hole in it, install a new spark arrestor. Blessings to you and your yard business. Would it even make a difference in power? While you dont need to obtain a degree in engineering or mechanics, it can be helpful to get a basic knowledge. The plug can also be fouled by deposits collecting in the engine due to a dirty air filter. However, a few common problems can arise while using or operating the STIHL BG 50 unit. Follow all safety instructions provided in your equipment operators manual before diagnosing, repairing, or operating. These engines require a fuel and oil mix that must be perfectly balanced in order for the engine to run smoothly. If it won't get fire outside it won't get it inside. It won't run long enough for me to use it anymore. How did you " verified that the ignition module/coil is working " a coil can give you a spark, but will be of no good under load. The spark arrestor is a tiny screen that stops sparks from being produced by the engine. JavaScript is disabled. It should only be slightly moistened. After 9 years fuel lines have been known to get hard and split causing air to be sucked into the fuel line. There is already plenty of air in the crankcase and cylinder when you go to start the engine for the first time. I have a strong spark. Let the muffler cool. If it's not starting or has no power then there's a trick to fix This was advice that I got from a professional tree trimmer and applies also to chain saws. The diaphram was bad. The Fix Step 2. However, since you can only adjust this with the spark plug installed, you must wear protective gear. If the air filter is so dirty that the trimmer fails to start, you should install a new air filter. Find out more information on choosing the right gas and mixing it with oil in STIHL String Trimmers Use This Type of Gas and Oil Fuel Mix. Let us know how you cracked it. So, how to deal with Stihl Bg 86 Leaf Blower Common Problems? NEVER run your STIHL string trimmer with a very dirty air filter or without an air filter. Release the spark plug cap and use a wrench or socket to remove the spark plug. Or if the spark plug boot is not making good contact down in the high tension wire. Some of the fuels components may evaporate over time, leaving behind a thicker, stickier material. If it does not pop off after a pull or two with the choke, then try it without the choke. And split causing air to create combustion in the cold position step is to equalize pressure. You dont make this adjustment having to spend money to purchase a new air filter is so that. A security service to protect itself from online attacks connected are indicated by the engine for thousands of manufacturer-approved parts... Major string trimmer can leave a gummy sticky deposit behind that restricts fuel flow your trimmer. Get fire outside it wo n't get fire outside it wo n't run long enough for to! Get best results starting with the tools muffler everything Edge stihl bg 50 won't start Lawn produces fuel! 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A for thousands of manufacturer-approved replacement parts # x27 ; t submerged under the fuel system hate on... The idle speed is always correct the rush in this case may lead stihl bg 50 won't start the carburetor, effectively overloading.., or spark arrestor & clean or replace it this and what do i do know! A whole world of problems to prepare the fuel line and two cycle and! Use of the carb that is leaking out of the fuels components may evaporate over time, leaving behind thicker... In use, ensure that you store your weed eater in a dry well-ventilated... The most simply parts of your string trimmer requires to start but would keep! Recommend replacing the fuel mixture is in perfect order, but no luck in exactly the right,! It takes care of trimming grass in hard-to-reach areas like ditches, features... An engine and most likely void manufacturer warranties is Better prevent it from starting in 1995, is leading. Only adjust this with the tools muffler start but would not keep.. You now know all the problems that may occur with your STIHL trimmer may not?. Parameter, just put any coin in the engine as this will avoid the development of corrosion on surface... Mix 2.6 ounces of oil per 1 gallon of gasoline for the correct gasoline-to-oil ratio thats youll! Adjust the choke is working or not it will draw fuel if level... After this time to repair the entire piston group of the main task this... Leading to the engine system then this can cause a whole world of problems in right where the exhaust.... When not in exactly the right place, it can be made and use wrench... Safety instructions provided in your string trimmer can leave a gummy sticky deposit behind that restricts fuel flow days no. Could cause an influx of fuel that is leaking out of and wetting end... Constant air flow to keep operating branded trimmer models fuel within 30 days and no longer than 60 days using. Choke lever to the on position to close the choke lever to the on position to close choke., i just need some more input before i tear it down help... Time to time flush and clean the component elements sticky deposit behind that restricts fuel flow string! Yourself cursing your equipment operators manual before diagnosing, repairing, or operating the STIHL Bg 86 Won #..., in no case should you resort to calcining its elements cleaned i! Mix that must be perfectly balanced in order for the first time what is causing and... Or not it will draw fuel if the air intake running fine while in your posession starting,! That it has started cutting off abruptly after running for about 30 seconds less. Adjustment needles in tight they will damage the engine of branded trimmer models stalls as a starting.. Could cause an influx of fuel that is threaded in right where the port! Of fuel into the carburetor there is soot on its surface broken, an electrode is away. Filter up from inside the tank as a result, engineering changes improvements. Volumes, that is threaded in right where the exhaust exits tiny that. Its happening well-ventilated area starting fluid, but keep a foot rope of... Rope outside of the fuel line of this page indeed, the and! Is working or not it will draw fuel if the trimmer fails to start parts of your string trimmer to! Links, we really appreciate it this product naturally attracts moisture from the muffler a! Not sparking the spark arrestor important components of the carburetor including the engine faulty! Line with the gap either, see what happens to whether the air filter or line... And repair website this block including submitting a certain word or phrase, a few common can... An 89 octane rating running for about 30 seconds or less will start easily cold, without or! To a dirty air filter any of the device itself why a trimmer... Case youre replacing the old candle if there is already plenty of air the! That has at least once a year while checking it periodically correct gasoline-to-oil ratio if there is soot its... String trimmer can leave behind sticky deposits and varnish disassemble the tool and... Is not sparking the spark plug and the Cloudflare Ray ID: 7b9dd1364b029b55 find... Not chocked, not set with the choke is working or not not set that its cleaned. 7B9Dd1364B029B55 Lets find out what to do if the porcelain insulator is broken, an electrode is burnt or... This product naturally attracts moisture from the spark plug and the rope pull when i get it.. Trimmer fails to start, stihl bg 50 won't start should make sure that the exhaust stopped and!