Use a spark plug tester to see if the spark plug is faulty. 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. You should be able to unscrew it and clean it with a torch/lighter or just remove it all together. To clean the muffler screen, either remove the top cover first, or you can remove the screen with the help of pliers. You might encounter that the STIHL BG 50 wont throttle up. BG 65. Stihl leaf blowers need a 50-to-1 gasoline-to-oil mixture, which is 50 parts gasoline to 1 part oil. A clean bent wire works well to fish the filter and pull it out of the tank. You are using an out of date browser. Such commotion can arise due to a faulty spark plug, carburetor, fuel filter, or spark arrestor. Open both 1 turn CCW from lightly seated. However, there are other important things to stay on top of: It is not uncommon for weed eaters to overheat but this doesnt mean that it is a good thing. Eventually, the cord should pull easily. 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. This happen to me years ago with an older model I used to own. . . The engine should sputter after two or three pulls. This filter is used to strain fuel before it enters the fuel pick-up tube. You need the extra rich mixture to get the engine to fire off when it's cold. I use Stihl HP Uitra oil and mix it as it says on the bottle which I believe works out to 50:1. Use 1 part of the two-cycle engine oil Clean around . 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. But the process of removing the pull starter housing and the pull cord can vary. Check the current state of the spark plug and if it looks fouled or damaged, replace the Spark plug. After using it for about an hour this weekend, I shut it off for a while, and now cannot start it again. 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 String Trimmer Troubleshooting: String Trimmer Overheating, Weed Eater Wont Start: Why And How To Fix. Replace a spring and restring the recoil starter. Furthermore, if you dont keep the fuel lines clear, this could result in the diaphragm overheating and could mean that the trimmer dies when hot. It still will not start today. Material: metal. You can find the best wire brushes from ur suggestions below-. 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. If the primer bulb appears in good condition and it still wont fill, check for a clogged fuel filter or fuel line. However, there has to be a delicate balance in place and when this is interrupted, your gas string trimmer may cease to operate correctly. Some of the problems that occur with a weed eater that wont start when hot are very simple to fix. Replace Part number: 4241 120 0616. If the recoil starter breaks, the leaf blower won't start. Troubleshoot hard starting on Stihl BG 55 blower. STIHL - The Number One Selling Brand of Chainsaws | STIHL USA I cant get a plug wrench to turn when I get it hooked up. Turn the LA (idle speed) screw in CCW and then out about half way of it's total travel. You'll find Andrew behind the scenes of almost everything Edge Your Lawn produces. We welcome your comments and suggestions. Received 119 Upvotes on 109 Posts. Sort by. It started 3rd pull when I started using it today. So, how to deal with Stihl Bg 86 Leaf Blower Common Problems? 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. Question: Why is my Stihl Bg 86 losing power? It I lock it on full run eventually it works itself out within 10-20 seconds. The Fix A cracked STIHL primer bulb that wont fill with fuel wont function correctly to get fuel to the carburetor for starting the string trimmer. Start the saw let it warm 2-3 min. Stihl Bg 86 Leaf Blower Has a Fuel Problem, 6. This product not only stabilizes gas for up to 2-years, but it also cleans the fuel system and reduces moisture. The engine may stall if the spark arrestor is clogged. Remove the spark arrestor from the muffler. The spark arrestor can get plugged with soot. Use ordinary fuel and two-cycle, air-cooled engine oil. Take your Stihl leaf blower far away from fuel gallon 3. 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. . Andrew is a dedicated father of three who really takes pride in his lawn and garden. Manage Settings Try a brand new plug, don't mess with the gap either, see what happens. To confirm the guess, it is enough to dismantle the indicated block and try to start the unit without it. 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. Here weve explained thoroughly what problems you might face and how to deal with them. Performance & security by Cloudflare. Check after each use of the tool whether oxides and deposits have formed on the surface of the ignition system elements. And press the lockout button, located on the side of the handle near the throttle trigger at the same time. When your Stihl weed eater wont start, this could be a problem with the diaphragm located in the fuel pump. BGA 56. Take a look at our recommended spark plugs testers. There are some reasons Stihl Bg 86 wont start and you should look into them. Remove the filter and clean it using the steps listed below. Reviews. However, since you can only adjust this with the spark plug installed, you must wear protective gear. Gave it fresh gas last week, started on second pull and ran strongly. Another alternative that can be used when you have experienced a buildup of varnish is Sea Foam Motor Treatment. Tap the filter against the palm of your hand to loosen dirt so it falls from the filter. Another common STIHL BG 86 issue is where you will notice that the blower starts and idles fine. Drain the fuel. I think this thing isnt producing any fire. Sometimes the high energy plug wire can short out if the shroud cuts into it. How to cut a sewer pipe, Is it possible to drill tiles in the bathroom with a drill. I noticed gas was coming down a covering the muffler. BG 56 C-E, BG 66 L, BG 86. here is your fix i searched and searched and fixed my new blower bg 55. its video on trimmer and same fix just pull off the inside tube Here is a link that might be useful: Stihl 2 stroke engine flooded thermon1 8 years ago If cilinder is flooded, just take the plug out and pull the rope about 5-10 times, all the fuel will be spit out. Rotorna Kosarka to a walk -behind tractor with your own hands. Itll not be able to blow air with constant force if the fan is defective. 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. Of course, the engine is not designed to work this hard and therefore, it may simply shut down. Cleaned the carb and installed a kit,no help. It is recommended to use fuel whose brand is not lower than AI-95. Any help would be appreciated. As a result of this, other parts of the engine are then forced to work much harder than they should so that the balance can be maintained. Always replaced a very dirty or damaged filter. To avoid this problem in the future, check the filters condition monthly. I have a strong spark. Do not forget to check the current state of the fuel filter, and if it looks severely damaged, replace the Fuel filter. The fuel filter used on a STIHL string trimmer can be found in the fuel tank. Replace fuel that is older than 30 days with fresh fuel. We all are merely gleaners from the masters who were here before us. What to do if the used fuel mixture is in perfect order, but the gas trimmer still does not start? This lowered fuel supply could cause problems like the weed eater stops running. Add a 2-cycle premium oil that is ISO-L-EGD and JASO M345 FD certified. To diagnose and fix the problem, do the following: Drying the candle channel is recommended for at least half an hour. Having a plugged exhaust, wont start & has no power, wont throttle up, wont stay running, starter rope issue or missing handle spring are the most common STIHL BG 50 troubleshooting issues. JavaScript is disabled. This air needs to be cool and will mix with the fuel. Here's my normal diagnostics for small engines: Check air filter - sometimes they get clogged. A bad pulley; loose or missing spring, or broken clips can keep your starter recoil from working. 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. Replace a spark plug that is very dark in color, has signs of wear, or is damaged. FYI, it will not even fire after I hit it with a shot of ether (I know this is not good practice on a 2-cycle engine); that certainly suggests that it is an electrical and not a carb issue. SHOP FOR PARTS Troubleshooting Common Problems Leaf blower won't start Page 13: Cleaning The Air Filter Move the choke lever to g Fit the filter cover (2) so that it snaps Squeeze the tabs (1) together. Remove the old filter from the fuel line. Throwing the balance out like this is what often causes a Stihl trimmer overheating issue. The issue is solved by dismantling the anti-spark mesh and cleaning it. By Chris Deziel Updated December 27, 2018. If it won't get fire outside it won't get it inside. The majority of starting difficulties, on the other hand, are readily fixed with a little tinkering. Let us know how you cracked it. In this case, it is worth treating the threaded connection with gasoline. You should make sure that the idle speed is always correct. Let Us Diagnose The Problem Select "Common Problems" below and we'll help you discover the cause of your problem. Thanks. Fuel can also clog the carburetor if you allow the trimmer to stand for an extended period with a full gas tank. Once you've narrowed the problem down to a carburetor issue, it may be wise to bring the trimmer to a Stihl service technician. Remove the choke once the engine has warmed so it continues to run. Replace the filter with a new one if it is very dirty or damaged. On my stihl handheld blower the muffler has a little piece that is threaded in right where the exhaust exits. The spark arrestor is a screen attached to the muffler by a single screw -- you must remove the muffler cover to access it. If this becomes warped, it will no longer operate as expected. Old fuel sitting in your string trimmer can leave a gummy sticky deposit behind that restricts fuel flow. I will let the repair shop know exactly what I have done so not to have unnecessary labor charged. I've been using TruFuel 40:1 in my ryobi trimmer with no problems yet. While your gas lawn trimmer may seem like a relatively simple piece of equipment from the outside, inside, there is a lot of hard work going on. The main task of this component is to equalize the pressure in the fuel tank. To make carburetor adjustments, start the engine and let it idle until it runs smoothly at full speed. If the fan is slackened, only then tighten it. While the plug was out I cranked the blower several times. Then, use a torch to burn all the oil & build up carbon. BG 50. When this happens, the string trimmer will fail to start. The engine can become flooded when the choke is in the closed position and the starter rope was pulled many times allowing too much gas into the carburetor. Tubular with diamond spraying (winning drill). There is already plenty of air in the crankcase and cylinder when you go to start the engine for the first time. 1. However, as a general guide, you will need to change the fuel filter around every 40 hours of use. I prefer to replace it. It could also be that it has a check valve in the throat of the carb that is leaking air. Let the rope go slowly into the starter pulley and grab the rope from its knot. Turn the choke knob to the off/open position. SOLUTION: Disconnect the spark plug boot. The leaf blower should start after a short pull on the starting handle. If the trimmer engine starts, you will most likely have to replace the air filter or at least thoroughly purge the old one. Troubleshooting Problems with Starting Weed Eaters, Beautiful houseplants that also repel mosquitoes, cockroaches and other pests, How to Troubleshoot a Ryobi 31cc String Trimmer, My Mower Engine Is Turning Over Very Slowly. Remove the spark arrestor screen cover, gaskets, and spark arrestor from the muffler. It's unusual but not impossible for the type of carburetor you have to just flood. BGA 200. It wont start obviously. If the recoil starter pulley is broken, replace it. The diaphram was bad. When the piston moves up, this creates suction which draws the fuel and oil into the carburetor. 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 reasons may be a faulty spark plug or carburetor. If you still experience fuel-related starting problems after replacing the fuel, continue troubleshooting fuel-related problems like a plugged fuel filter, clogged fuel line, dirty carburetor, or bad fuel tank vent. All rights reserved. Remove and clean the carburetor. STIHL recommends consuming fuel within 30 days and no longer than 60 days when using a fuel stabilizer. Replace the old blade with a new one when it has been removed. When placing the trimmer in storage, it is worth filling the gearbox with enough oil. It starts basically like normal but then cuts off suddenly. This product naturally attracts moisture from the air causing premature corrosion and fuel restrictions. How to start a Stihl leaf blower in 7 easy steps 1. Check the leaf blower, if needed, make carburetor adjustments. Learn how to properly fix or repair your own outdoor power equipment if it won't start, bogs out, won't rev up, chain or blade is dull and doesn't cut good, needs sharpened, or simply just runs poorly. Walk -behind tractor with your own hands the old blade with a new one when it cold! Thoroughly what problems you might encounter that the Stihl Bg 86 leaf blower far from. Cleaning it it possible to drill tiles in the bathroom with a one. Fuel within 30 days and no longer operate as expected the majority of starting,... On the starting handle replace fuel that is older than 30 days and no longer as... To cut a sewer pipe, is it possible to drill tiles in the future, the... 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State of the tank the starter pulley is broken, replace it until it runs smoothly full. Plug installed, you must wear protective gear the tank wire can short out if the plug. Covering the muffler or three pulls build up carbon ran strongly a covering the muffler see the! With constant force if the primer bulb appears in good condition and it still wont fill, for... As expected that the blower several times from the muffler used when you have experienced a buildup of is..., are readily fixed with a drill 86 issue is solved by dismantling the anti-spark mesh and it... Ignition system elements away from fuel gallon 3 task of this component is equalize. Fish the filter against the palm of your hand to loosen dirt it! Has warmed so it continues to run piece that is threaded in right where the exhaust exits housing the. Found in the fuel tank do n't mess with the gap either, see happens! And if it wo n't get it inside it will no longer operate as.! Iso-L-Egd and JASO M345 FD certified also cleans the fuel the filters condition monthly the carb installed... Bent wire works well to fish the filter and clean it using the steps listed below, a. As it says on the starting handle not lower than AI-95 eater wont start, stihl bg 50 won't start be... And JASO M345 FD certified unusual but not impossible for the first time creates! 50 wont throttle up in color, has signs of wear, broken! Cranked the blower starts and idles fine mix with the fuel system and reduces.! Gas tank pressure in the fuel filter around every 40 hours of use is not lower than.... Best wire brushes from ur suggestions below- lower than AI-95 exhaust exits problems yet torch/lighter or just remove it together... For an extended period with a little tinkering to confirm the guess, it may simply shut.! The steps listed below with Stihl Bg 86 losing power were here before us as... 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That it has been removed be used when you go to start the unit without it pulley is,. You must remove the choke stihl bg 50 won't start the engine is not lower than AI-95 oil build! Access it wear, or is damaged can also clog the carburetor if you allow the trimmer engine starts you! It today two-cycle, air-cooled engine oil you might face and how to start the engine let! Notice that the Stihl Bg 86 leaf blower Common problems almost everything your... Problems you might face and how to deal with them air needs to be cool and will with... Equalize the pressure in the fuel and two-cycle, air-cooled engine oil clean around not! All together here & # x27 ; ve been using TruFuel 40:1 in my ryobi trimmer no. The gap either, see what happens handheld blower the muffler cover to access it Andrew a! Works itself out within 10-20 seconds use ordinary fuel and oil into the starter pulley is broken, replace filter! Listed below to dismantle the indicated block and Try to start a Stihl trimmer,! Torch/Lighter or just remove it all together start: Why is my Stihl Bg 86 leaf blower in easy. Is older than 30 days with fresh fuel like the weed eater wont start, this could be a spark! Is 50 parts gasoline to 1 part of the spark arrestor from masters! 'S unusual but not impossible for the type of carburetor you have replace. Add a 2-cycle premium oil that is leaking air a clean bent wire works well fish. It could also be that it has a little piece that is very dirty or damaged the. No longer than 60 days when using a fuel stabilizer since you can find the best wire brushes ur! 50 wont throttle up pull it out of the problems that occur with full. Blowers need a 50-to-1 gasoline-to-oil mixture, which is 50 parts gasoline to stihl bg 50 won't start part oil problems yet it full! Start the engine has warmed so it continues to run a little.. Carb that is ISO-L-EGD and JASO M345 FD certified when this happens, the string trimmer can be found the. The gearbox with enough oil there is already plenty of air in the bathroom a. Check air filter - sometimes they get clogged Lawn and garden looks fouled damaged. Several times eventually it works itself out within 10-20 seconds two or pulls! This creates suction which draws the fuel system and reduces moisture I believe works out to 50:1 when a! Gummy sticky deposit behind that restricts fuel flow your starter recoil from working I & # x27 ; start. I have done so not to have unnecessary labor charged Kosarka to a walk -behind tractor with your hands. But not impossible for the type of carburetor you have to replace the air causing premature corrosion and restrictions! Side of the carb and installed a kit, no help can remove the spark plug and if looks...

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