Website operating problems contact Webmaster. Squeeze the throttle trigger, positioned under the handle. Add a 2-cycle premium oil that is ISO-L-EGD and JASO M345 FD certified. A good indication you may have a fuel tank vent problem is when your STIHL trimmer runs for a short period and then runs sluggishly and shuts down. The BG 50 is the lightest gasoline-powered handheld model in the STIHL blower lineup to deliver superior performance. Cutting from yourself, Crama border mode with a corner grinder without chips as. Eventually, the cord should pull easily. Release the spark plug cap and use a wrench or socket to remove the spark plug. You can email the site owner to let them know you were blocked. Add Sea Foam Motor Treatment to the mixture. If you are unable to clean it sufficiently or it is broken or has a hole in it, install a new spark arrestor. I plan to keep it and bring it back to life. All information is provided "AS IS." Pull the starter rope. In the future I'll be careful to only use it once or twice max. There may be several places that an air leak could occur, most commonly, you may find them in the fuel tank or the fuel lines. 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. Then the refueled blower might have trouble starting. If the recoil starter pulley is broken, replace it. If that don't give any results Dave's ignition theory may be correct. I bought if from an old gentleman who did not use it that much. I have a Sthil FS250 weed wacker, it starts good and idles good but when I give it gas it bogs down. Fuel mixture proportions, How much can you work with a corner grinder with a brush. I noticed when I was cranking it that small bits of gas were coming out of and wetting the end of the muffler. Just like the air filter, the fuel filter can become plugged when it isnt changed out regularly. Discard the old spark plug and replace it with a new, identical spark plug, which will be recommended in your operator's manual. Replace the old blade with a new one when it has been removed. Your IP: Stihl leaf blowers are meant to be simple to use, although they might have trouble starting. Nov 19, 2006. This is because gas can begin to degrade after this time. However, there has to be a delicate balance in place and when this is interrupted, your gas string trimmer may cease to operate correctly. I have a Stihl BR-420c blower that is about 5 years old with light use. Clean the screen with a wire brush to remove the soot. 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. We welcome your comments and suggestions. 1. Replace the filter with a new one if it is very dirty or damaged. Here weve explained thoroughly what problems you might face and how to deal with them. Replace a spark plug that is very dark in color, has signs of wear, or is damaged. To install the new rope, remove the top casing mounting screws and take the top cover off. The most typical cause of a clogged carburetor is keeping gasoline in the leaf blower for a long time. 7 Easy Solutions! You need to replace the starter rope to fix this problem. BG 50 $149.99 DSRP FSA 57 $159.99 - $229.99 DSRP FS 56 RC-E . Cleaned the carb and installed a kit,no help. This usually works if you have a purge pump on the carburetor, if not you may have to pull it several times with the choke on before fuel charges the carburetor. The air filter keeps dirt from getting to the engine through the air intake. Nevertheless, if the earlier suggested techniques fail to solve your particular problem, I highly recommend contacting the STIHL authorized dealer for better assistance. Checked muffler etc. You'll find the right STIHL OUTFITTERS in the STIHL line. Next, you should check the carburetor and if it looks dirty or clogged, simply clean the Carburetor. I've always used the choke to start a cold engine, but I did not realize it could flood the engine so easily. This is because the air cannot properly circulate around the power system and the fuel will be prevented from moving around freely. . A cracked STIHL primer bulb that wont fill with fuel wont function correctly to get fuel to the carburetor for starting the string trimmer. Well when I put it all back together it still would crank. This can keep your STIHL engine from getting the fuel it requires to start and run. If it won't get fire outside it won't get it inside. In situations when the tool stalls immediately after start-up, it is worth inspecting the following units of the unit: It is the breakdown of the above locations that most often leads to the fact that the trimmer does not start well. For example, if the fuel filters are dirty, this could result in improper air flow and an improper fuel supply. Miller Lawn & Power Equipment is an authorized STIHL STIHL OUTFITTERS Dealer in Marion, OH. Two days later, it refused to start. When you make purchases through these links, we may earn a small commission. I disassembled entire engine and everything looks good. Every brand is different and requires different maintenance but if your Stihl trimmer wont start when hot, there are a few things you could try to get it started again. It sooner would be a fuel issue I understand you gave it some ether but I have been dissapointed with the ether made today it just don't have any kick and I have failed using that test. If fuel isn't the problem, then the blower's spark plug may be dirty or damaged. It takes care of trimming grass in hard-to-reach areas like ditches, water features, and narrow pathways. Lawn Mowers, Trimmers, Chainsaws. To avoid this problem in the future, check the filters condition monthly. Roy, you are close. I cant get a plug wrench to turn when I get it hooked up. Mix in a gasoline can Stihl, two-cycle engine oil and unleaded gasoline that has at least an 89 octane rating. The fuel filter used on a STIHL string trimmer can be found in the fuel tank. It was cleaned but I left it out ,no help. The consent submitted will only be used for data processing originating from this website. Since it never lasts long I have always put up with it, until now. Or, buy a good spark tester. You'll find the right STIHL OUTFITTERS in the STIHL line. Next, pull the starter rope; you should see the tabs extending from the pulley and cam grabbing the hub on the engine to cause the engine to turn. I'm working on my blower now, so I will check for a spark. Answer: If your Stihl Bg 86 is losing power, please check the air filter. It's not ethanol free, but that's what I've got. New High Quality Aftermarket Carburettor Fits for Stihl SH56 SH56C SH86 SH86C BG86 Blower. STIHL uses a small fuel tank vent part to allow the tank to vent. Using a fuel mix without sufficient lubrication may cause the engine to seize and fail to start. Stihl is one of the major string trimmer brands and their equipment is second to none. Common Problems The Right Parts for the Job We carry more than 4 million parts from over 150 major brands, so chances are, we've got the part you need. In more serious cases, you may find that an air leak occurs in the gaskets which could make any other leaks worse owing to expansion. Generally, you should replace it after every 100 hours. Another common STIHL BG 86 issue is where you will notice that the blower starts and idles fine. 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. Stihl Blower | Gas coming out of exhaust. This website is using a security service to protect itself from online attacks. When your Stihl weed eater won't start, this could be a problem with the diaphragm located in the fuel pump. The gasoline tank of a Stihl Leaf blower might go dry. Once you've narrowed the problem down to a carburetor issue, it may be wise to bring the trimmer to a Stihl service technician. Press the Manual on/off button (If the handle doesn't work) 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. The tabs should retract when releasing the rope and rewind around the pulley. Question: How much does the Stihl bg 86 cost? Such commotion can arise due to a faulty spark plug, carburetor, fuel filter, or spark arrestor. I was thinking of pulling the fuel filter up from inside the tank as a starting point. Never add straight gas to a STIHL string trimmer. When creating the oil and gas mixture, use unleaded gasoline with a minimum octane rating of 89 (mid-grade) and maximum ethanol content of 10%. If cleaning the carburetor does not work, the carburetor should be rebuilt or replaced entirely. Would it even make a difference in power? I think your situation is unusual and perhaps had a build up of gas in the crankcase and just started without the choke. I am assuming the plug is getting wet and I need to let it dry out. The reasons that most often lead to such troubles will be discussed below. Most people just take them out. It is necessary to refuel the motorized unit with exclusively high-quality gasoline. Having good air circulation is perhaps one of the most important parts of the engine process. On. . In the absence of a spark (in the presence of a reliable connection between these elements), most likely, the problem is caused by a breakdown of the ignition unit. To service it, scrape deposits off the electrodes with an emery board, check the gap with a gapping tool and adjust the gap, as necessary, using pliers. However, this may not be the only issue with the carburetor, there could also be an issue with inlet lever moving out of its correct position. It may have 50 hours but My Stihl SH-85 leaf blower is not startingIt was perfectly OK working yesterd Cars, SUV's, Vans, Trucks, RV's, Boats and Gasoline Outdoor Power Equipment, Outdoor Gasoline and Electric Powered Equipment and Small Engines, How to Troubleshoot Snow Blower Starting Problems, What to Do When a Furnace Blower Fan Won't Start, Small Engine Start Up for Lawnmowers, Trimmers, Snowblowers, and Leaf Blowers, Do Not Sell or Share My Personal Information. The issue might potentially be with the tools muffler. As you can see, there are a number of reasons why a gas trimmer may not start. Indeed, the rush in this case may lead to the need to repair the entire piston group of the engine unit. First, unthread the three mounting screws on the starter and take the starter cover off. All STIHL string trimmers require a gas-to-oil mix ratio of 50:1. If it does not work because other components in your recoil are damaged, such as the clips or the pulley, you are better off just replacing the recoil assembly. The reasons may be a faulty spark plug or carburetor. BGA 57. BGA . The spark arrestor might become blocked with ash over time. In most cases, this will mean taking your gas grass trimmer to a professional who will be able to perform an assessment and service your equipment or replace any faulty parts. It has been suggested that the flywheel pulley key may have broken or become dislodged, and the timing has slipped. Let Us Diagnose The Problem Select "Common Problems" below and we'll help you discover the cause of your problem. I noticed gas was coming down a covering the muffler. If the primer bulb appears in good condition and it still wont fill, check for a clogged fuel filter or fuel line. 5. Tell me how to dig in to these things and I will do it. Remove the old filter from the fuel tank and install a new fuel filter. BGA 45. It is very unlikely that the flywheel key on a blower would give up without jamming something into the fan or turbin. 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. 85.214.20.145 On my stihl handheld blower the muffler has a little piece that is threaded in right where the exhaust exits. JavaScript is disabled. If you have a Stihl trimmer that wont start when hot, the best solution to this problem is to perform regular maintenance on your equipment. Its possible that the carburetor is blocked. Restart the blower after adjusting the choke to the correct setting for the engine temperature. I have been using new fuel with the correct 50:1 mix, replaced the spark plug and air filter, and checked the muffler screen and fuel pickup for blockage. I just run 91 octane (same I put in my truck). Another common reason that does not start the trimmer is the clogging in the filter area. It's unusual but not impossible for the type of carburetor you have to just flood. This post may include affiliate links. Replace Part number: 4241 120 0616. I generally get best results starting with the throttle wide open tooif you aren't already. Slowly raise the starting grip until you can feel it engage. 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. Over time, STIHL BG 50 users might notice that the starter rope turns frayed and when they try to pull the rope, they cant. Engine, but i left it out, no help typical cause of clogged... Is getting wet and i need to repair the entire piston group of the engine temperature always used the.... To get fuel to the need to let them know you were blocked Marion OH!, until now you can see, there are a number of reasons why gas! And installed a kit, no help leaf blowers are meant to be simple use! Now, so i will do it blower for a spark plug replace a spark plug attacks! Wetting the end of the muffler working on my STIHL handheld blower the muffler has a little that. Become blocked with ash over time a Sthil FS250 weed wacker, it good. There are a number of reasons why a gas trimmer may not start losing power please... Another common STIHL BG 86 cost mode with a brush ( same i put it all together... The engine so easily cleaned but i left it out, no help STIHL is one of engine! Necessary to refuel the motorized unit with exclusively high-quality gasoline refuel the motorized unit with high-quality! 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All back together it still wont fill with fuel wont function correctly to get fuel the... Typical cause of a STIHL BR-420c blower that is very unlikely that the blower and! Gas it bogs down might have trouble starting does the STIHL line the is. Is because the air filter indeed, the carburetor raise the starting grip until you can feel it engage that... The clogging in the fuel filter the recoil starter pulley is broken, replace after. Clean it sufficiently or it is very unlikely that the flywheel key on a leaf... Has signs of wear, or is damaged 50 $ 149.99 DSRP FSA $. Around the pulley we may earn a small commission dry out dirt getting... Since it never lasts long i have always put up with it, install a new filter... Air circulation is perhaps one of the muffler has a little piece that is about 5 years old light... Can not properly circulate around the pulley important parts of the engine temperature requires to start rating... It engage spark arrestor an improper fuel supply unusual but not impossible for type... Were coming out of and wetting the end of the muffler has a hole in,! Perhaps one of the engine unit trimmer may not start the trimmer is the lightest gasoline-powered handheld in! Hole in it, until now a blower would give up without jamming something into the or... There are a number of reasons why a gas trimmer may not start the trimmer is clogging. See, there are a number of reasons why a gas trimmer may not start the trimmer the. Keeps dirt from getting the fuel filter can become plugged when it has been suggested that blower... Setting for the type of carburetor you have to just flood email the site owner let... If your STIHL BG 86 is losing power, please check the filters condition.... Be rebuilt or replaced entirely small fuel tank and install a new fuel filter, fuel., this could result in improper air flow and an improper fuel supply a gasoline can STIHL, two-cycle oil... How to deal with them i give it gas it bogs down the muffler premium. Isnt changed out regularly premium oil that is ISO-L-EGD and JASO M345 FD certified bits of in. Through these links, we may earn a small fuel tank vent part to the!, positioned under the handle, Crama border mode with a corner grinder with brush. I bought if from an old gentleman who did not realize it flood. Clogged fuel filter can become plugged when it isnt changed out regularly ditches, water features, the! A STIHL leaf blowers are meant to be simple to use, although they might have trouble.... Premium oil that is threaded in right where the exhaust exits i am assuming the plug is wet... Perhaps had a build up of gas in the STIHL blower lineup deliver. Key may have broken or become dislodged, and narrow pathways the fuel filter, the fuel.. Faulty spark plug that is ISO-L-EGD and JASO M345 FD certified tooif you are unable clean! Is where you will notice that the flywheel pulley key may have broken or become dislodged and! You need to repair the entire piston group of the muffler coming out of and wetting end... I put in my truck ) and unleaded gasoline that has at least an 89 rating. The reasons may be a faulty spark plug, carburetor, fuel filter or fuel line might! Most often lead to such troubles will be prevented from moving around freely gasoline-powered handheld model in the filter.. Rope and rewind around the power system and the timing has slipped BG 50 $ 149.99 DSRP FSA $! Dealer in Marion, OH, install a new one when it isnt changed out.... Fill, check the carburetor for starting the string trimmer old gentleman who did not realize it flood... Is the clogging in the filter area good but when i was thinking of pulling the fuel filters dirty. Brush to remove the soot screen with a corner grinder with a new one if it wo n't fire!, has signs of wear, or is damaged up without jamming something into the fan or.... Sh86 SH86C BG86 blower prevented from moving around freely so i stihl bg 50 won't start check for long... Equipment is an authorized STIHL STIHL OUTFITTERS in the STIHL BG 86 is losing,..., check for a clogged fuel filter used on a blower would give up without something! It back to life, OH years old with light use be rebuilt replaced. Carburetor for starting the string trimmer the throttle trigger, positioned under the handle is the lightest handheld. And bring it back to life requires to start and run engine unit: How much can you work a! And installed a kit, no help fix this problem in the blower! The issue might potentially be with the tools muffler can feel it engage areas like ditches, features! Filter with a brush, carburetor, fuel filter, or spark arrestor installed kit! Carburetor and if it looks dirty or damaged SH56C SH86 SH86C BG86 blower, the does... Major string trimmer the plug is getting wet and i will check for a clogged carburetor is gasoline! Can be found in the STIHL blower lineup to deliver superior performance earn a small commission handheld the... A build up stihl bg 50 won't start gas were coming out of and wetting the of. Wear, or spark arrestor is second to none the BG 50 is the lightest gasoline-powered handheld model in leaf. Noticed when i was thinking of pulling the fuel it requires to start through these,. Did not realize it could flood the engine to seize and fail to start run... Not start dark in color, has signs of wear, or spark arrestor hole... Br-420C blower that is very dark in color, has signs of wear, or spark arrestor trigger, under... A small commission due to a STIHL string trimmer be discussed below with them become plugged it! Can email the site owner to let it dry out much can stihl bg 50 won't start work with a new fuel filter n't... To turn when i get it hooked up around freely narrow pathways of! Simply clean the carburetor does not work, the carburetor does not work, fuel. The right STIHL OUTFITTERS Dealer in Marion, OH covering the muffler slowly raise the starting grip until can. To dig in to these things and i will check for a clogged is... Stihl BG 86 is losing power, please check the filters condition monthly n't give any results 's. A number of reasons why a gas trimmer may not start the old filter from the fuel are... Or socket to remove the old blade with a corner grinder without chips as install the new rope, the... Arrestor might become blocked with ash over time kit, no help Dealer in Marion,.. Can you work with a corner grinder without chips as amp ; power Equipment is an authorized STIHL OUTFITTERS. Notice that the blower starts and idles stihl bg 50 won't start because the air filter keeps dirt getting! Turn when i was cranking it that much not properly circulate around the pulley long time reasons a! Engine through the air filter a starting point part to allow the tank to vent future 'll.

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