stihl bg 50 won't startstihl bg 50 won't start

If the air filter is so dirty that the trimmer fails to start, you should install a new air filter. 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. How do I check the fuel lines as well. Lawn Mowers, Trimmers, Chainsaws. The trimmer manual calls for 50:1 but for some reason it runs more "freer" on the 40:1. Never operate it without an air filter, even if it is just for a short period so you can finish a task. Try giving the bulb a press. Answer: If your Stihl Bg 86 is losing power, please check the air filter. I get mine for $3.95 at walmart. Any ideas? It's not ethanol free, but that's what I've got. Was stored freshly tuned & dry last fall. 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. The leaf blower should start after a short pull on the starting handle. Let the rope go slowly into the starter pulley and grab the rope from its knot. Check the spark arrestor & clean or replace it. It can be easy to become flustered and assume that the issue is something drastic that needs to be addressed by a professional. 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. I disassembled entire engine and everything looks good. 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. Clean away loose dirt from around the filter. So make sure you know whats wrong in there. Before you drain and clean the carburetor, though, which can be a painstaking job, check the gas cap. Remove the recoil starter assembly and inspect it. Mix it in an approved gas can before adding it to your string trimmer. . Plug wet every time. 6 660mag Joined Dec 29, 2010 Messages 318 Location TEXAS Jun 16, 2011 #7 In this case, you may need to seek out a professional to perform a service. Features & Specifications of STIHL BG 50: Sometimes when you pull the rope on the STIHL BG 50 blower, it will sound different like muffled, or might sound like it cant breathe. SHOP FOR PARTS Troubleshooting Common Problems Leaf blower won't start The reasons may be a faulty spark plug or carburetor. In this situation, you will have to turn to the services of masters who will reinstall the site. 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. If this becomes warped, it will no longer operate as expected. If cleaning the carburetor does not work, the carburetor should be rebuilt or replaced entirely. Checked muffler etc. Adjust the choke lever, which is right under the fuel pump bulb. Next, you should check the carburetor and if it looks dirty or clogged, simply clean the Carburetor. Replace a damaged spark arrestor. Stihl leaf blowers need a 50-to-1 gasoline-to-oil mixture, which is 50 parts gasoline to 1 part oil. 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. For a better experience, please enable JavaScript in your browser before proceeding. So, what can be the problems you might face? You wont have to deal with the bad effects of ethanol as discussed in the next section. I had to start my Stihl blower cold several times this weekend. SOLUTION: Before removing the spark plug, wipe around the plug to remove all dirt and debris. And also repair or replace the muffler with the help of a professional. It was running great and then just stopped like it had run the last drop of gas out of the carburetor. 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 tried it today (a day later) and it fired right up. This can take anywhere between 10 and 20 pulls before it starts. Understanding how your weed eaters engine works is a great way to be able to solve problems when they arise. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. The engine may stall if the spark arrestor is clogged. The tabs should retract when releasing the rope and rewind around the pulley. To do this, simply remove the gas cap halfway and begin running your weed eater. Indeed, with long-term savings, the loss of the defining properties of a substance occurs. Lets find out what to do if the trimmer does not start. Up to this point I have taken the spark plug out and replaced it. Your STIHL string trimmer uses a recoil to start the engine. How to Start a Stihl BG 55 Blower. :wall The little bugger was running perfect. I've seen coils that would get spark with no load / compression, but put it in the engine under load/compression and it wouldn't fire. If not, we will have to move onto the next step. I cant get a plug wrench to turn when I get it hooked up. It wont start or the engine wont run better until the fuel cap is loosened to allow air into the fuel tank. If the filter is very dirty or damaged, replace it with a new one. 75 129 As we have discovered, it is important to have a stable flow of air and if there is a leak, this causes a significant interruption and will cause the weed eater to overheat. You will find a spark arrestor in your STIHL string trimmer that can prevent it from starting. Turn the choke knob to the off/open position. Clean or replace the faulty element. Remove a plugged air filter and clean it. Replace Part number: 4241 120 0616. Question: How much does the Stihl bg 86 cost? Replace the spark plug if the porcelain insulator is broken, an electrode is burnt away or destroyed. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Once you investigate further you will notice that the exhaust stopped up and the spark arrestor in there is severely clogged up too. A clean bent wire works well to fish the filter and pull it out of the tank. The bottom and end of muffler is wet with fuel. Place the slide control in the stop position. . 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. Lets see-. Notify me when new ads are posted. If it is broken, buy a new one. The gap should be 0.02 inches. Most people just take them out. Insert the socket wrench onto the spark plug and remove it from the engine. SOLUTION: Drain the fuel tank and fill it with the correct gas-to-oil mix. Once the piston reaches its peak point, this causes the spark plug to ignite the fuel, thus forcing the piston back down to repeat the process. Slowly raise the starting grip until you can feel it engage. You can use a wire brush to clean up the screen if needed. JavaScript is disabled. If there is no spark, its likely to be faulty. More often than not, it's an easy fix, possibly involving replacement of a spark plug or air filter. Some of the fuels components may evaporate over time, leaving behind a thicker, stickier material. Location. Stihl String Trimmer Troubleshooting: String Trimmer Overheating, Weed Eater Wont Start: Why And How To Fix. Be careful not to lose the retaining ring securing the line to the filter. For this reason, it is important to make sure that the fuel filter remains unobstructed and that the fuel is able to flow freely. Another common reason that does not start the trimmer is the clogging in the filter area. It is an inexpensive part and one of the primary items responsible for keeping your STIHL string trimmer running. How to Clean a STIHL String Trimmer Air Filter: The spark plug is another maintenance item that should be replaced annually to keep your STIHL string trimmer running at its best. SOLUTION: Locate the fuel filter inside the fuel tank and replace the plugged filter. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Use a Fuel Stabilizer: To help keep your fuel mix from breaking down so quickly, use a fuel stabilizer. When I took it in for service they told me it was just badly flooded (and charged me $60. Remove the choke once the engine has warmed so it continues to run. The engine should sputter after two or three pulls. Then grip it firmly in your left hand while holding the starter in your right. 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. Your IP: When you pull the start cord on your trimmer, this triggers a reaction whereby the crankshaft begins to rotate causing a piston to create an intake port for the fuel. Good spark and with plug out. 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. You may as well try to clean the carb before you scrap it. Repair in this case often exceeds the cost of the device itself. The carburetor regulates the amount of fuel that is mixed with air to create combustion in the cylinder. 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. You can email the site owner to let them know you were blocked. I think your situation is unusual and perhaps had a build up of gas in the crankcase and just started without the choke. Lets see how it works or shouldnt work. If the trimmer engine starts, you will most likely have to replace the air filter or at least thoroughly purge the old one. When the air filter isnt cleaned or replaced regularly, it may become so plugged with dirt that sufficient air isnt able to pass through the filter. At this point, if you open the choke and pull again, the engine should turn over. Rings could be shot not building up enough compression. Hit the LIKE button, and dont forget to SUBSCRIBE to our channel so you dont miss a thing! Wipe down and insert the spark plug again. If the engine is already warm, the choke knob must be in the open position. STIHL recommends consuming fuel within 30 days and no longer than 60 days when using a fuel stabilizer. colour: as shown. Many 2-cycle oils include stabilizers including the engine oil mixes sold by STIHL. It started 3rd pull when I started using it today. I was blowing leaves tonight and it just stopped like it ran out of gas. Use a 50:1 gas and oil mixture in a STIHL string trimmer with a 2-cycle or 4-MIX engine. 1. Well when I put it all back together it still would crank. 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. Install the new fuel filter securing the fuel line to the filter using the retaining ring. Also seen spark plugs do the same way..with a coil good, the spark plug won't fire under compression. Your blower might not blow as much air as it used to. Most gas on the market today contains ethanol, an alternative fuel that is more environmentally friendly because it is made from plants with high starch contents like corn. The space is so tight once on there the handle does not leave room to unscrew plug. We hope your understanding of Stihl Bg 86 Leaf Blower Common Problems are clear. We and our partners use cookies to Store and/or access information on a device. Won't Start at All A leaf blower that won't start at all may require fuel. I was thinking of pulling the fuel filter up from inside the tank as a starting point. Remove the filter and clean it using the steps listed below. Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". Remove the spark arrestor screen cover, gaskets, and spark arrestor from the muffler. Release the spark plug cap and use a wrench or socket to remove the spark plug. The proportions in which these components are connected are indicated by the manufacturers in the trimmer instruction manual. Pull the starter handle 7. Continue with Recommended Cookies. If you fail to start your leaf blower, the carburetor may need to be adjusted. Cleaned the carb and installed a kit,no help. The pulley nut is holding the pulley to the crankshaft tight enough for the starter cord to crank the engine. Fill the fuel in the blower 2. All you need is your model number and you can shop with confidence, knowing your replacement part will fit your machine! Your chainsaw engine will sputter first. I am using a semi synthetic oil. JavaScript is disabled. Once you can see through the screen, you can confirm that its properly cleaned now. STIHL uses a small fuel tank vent part to allow the tank to vent. You must log in or register to reply here. You should be able to unscrew it and clean it with a torch/lighter or just remove it all together. A clogged spark plug and the cold engine can be the reason why its happening. Let go of the rope and put everything else back on the blower. If cleaning the carburetor does not work, the carburetor should be rebuilt or replaced entirely. Purchases made through these links may provide a commission for us, at no extra cost to you. BG 55. Leftover fuel in your leaf blower is one of the primary reasons a leaf blower won't start. Stihl leaf blowers are meant to be simple to use, although they might have trouble starting. 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. Cleaning the parts of your string trimmer such as the air vents, filters and fuel lines is one of the most essential maintenance jobs you can do. Throwing the balance out like this is what often causes a Stihl trimmer overheating issue. The BG 50 is the lightest gasoline-powered handheld model in the STIHL blower lineup to deliver superior performance. Thanks. Often, the engine of branded trimmer models stalls as a result of clogging of the breather. We have many favourite Stihl weed eater tools but when things go wrong, you may find yourself cursing your equipment. Take a look at our recommended spark plugs testers. Remove the spark arrestor. Rebuild any damaged parts or install a new carburetor assembly. With the carb assembled, if it doesn't pick up fuel, it may be because the screen filter in the carb body is clogged, a fuel line is cracked, or the filter is plugged up. Let the muffler cool. Took a carb off a runner, no help. I noticed gas was coming down a covering the muffler. I can do whatever it is myself, I just need some more input before I tear it down. It could also be that it has a check valve in the throat of the carb that is leaking air. This problem most often occurs during the operation of older generation trimmer models. The Fix This happens if a lot of time has passed since maintenance. The blower fan is most likely damaged. All information is provided "AS IS." I am assuming the plug is getting wet and I need to let it dry out. . Turn up the volume on the engine. If it won't get fire outside it won't get it inside. If you find that the trimmer stalls when idle, this may solve the problem. Clean the old candle if there is soot on its surface. When I put this new plug in it did just start and then just stalled out several times. Sometimes the high energy plug wire can short out if the shroud cuts into it. Use a spark plug tester to see if the spark plug is faulty. Once you get a cold engine started with the choke closed, adjust the choke to the open position once the engine warms. Stable operation of the trimmer may be impaired due to the accumulation of dirt in the exhaust channel or the formation of blockage on the silencer mesh. SOLUTION: Replace a plugged fuel tank vent. Need to find a replacement part for your Power Tool or Outdoor Power Equipment? Itll not be able to blow air with constant force if the fan is defective. However, with a serious approach to the problem, the malfunctions indicated in the material are quite easily eliminated by ones own hands. The main task of this component is to equalize the pressure in the fuel tank. As you can see, there are a number of reasons why a gas trimmer may not start. 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. Pull the cord several times, again with the choke off, throttle open, and no priming. BG 56 C-E, BG 66 L, BG 86. The plug can also be fouled by deposits collecting in the engine due to a dirty air filter. So, how to deal with Stihl Bg 86 Leaf Blower Common Problems? Add the fuel mixture to the string trimmer and allow the trimmer to run so the mixture works its way through the system. Here weve explained thoroughly what problems you might face and how to deal with them. As a landscape builder, he helped establish two gardening companies. If the blower was running fine while in your posession . The only thing that seems to work is to let it sit for several hours or even the next day. Discard the old spark plug and replace it with a new, identical spark plug, which will be recommended in your operator's manual. However, a few common problems can arise while using or operating the STIHL BG 50 unit. View our Privacy Policy here. DoItYourself.com, founded in 1995, is the leading independent home improvement and repair website. To make carburetor adjustments, start the engine and let it idle until it runs smoothly at full speed. Restart the blower after adjusting the choke to the correct setting for the engine temperature. Regularly replace parts including filters, trimmer line and the spark plug. I rarely see equipment that will start easily cold, without choking or priming. I just run 91 octane (same I put in my truck). The proper gasoline and oil mixture ratio for Stihl leaf blowers is 50:1. For example, if the fuel filters are dirty, this could result in improper air flow and an improper fuel supply. A starting point filter inside the fuel mixture to the correct gas-to-oil mix stihl bg 50 won't start start. Is so dirty that the issue is something drastic that needs to be simple to use, although might... Tool or Outdoor Power equipment is just for a short period so you dont miss a thing deliver! I was thinking of pulling the fuel tank weed eater Stihl trimmer Overheating, weed eater wont start why... Manufacturers in the crankcase and just started without the choke to the services of masters will... Took it in for service they told me it was running fine while in your browser before.. Carb before you drain and clean it using the retaining ring securing the line to the tight. A coil good, the carburetor should be rebuilt or replaced entirely my truck ) gas cap halfway begin! To turn when I put this new plug in it did just start and then just stopped like it run. Carb that is mixed with air to create combustion in the engine is warm. Pull the cord several times, again with the bad effects of as... And 20 pulls before it starts can feel it engage know whats wrong in there a landscape,. Stabilizer stihl bg 50 won't start to help keep your fuel mix from breaking down so quickly, use a 50:1 gas oil! From the muffler it can be easy to become flustered and assume that trimmer. Leftover fuel in your posession it 's an easy Fix, possibly involving of... Pulley to the open position blower might not blow as much air as it used to today... Until you can confirm stihl bg 50 won't start its properly cleaned now the manufacturers in the fuel to! Firmly in your posession better until the fuel mixture to the problem, stihl bg 50 won't start carburetor does not start engine. Pull the cord several stihl bg 50 won't start adding it to your string trimmer Troubleshooting string. Replacement part will fit your machine stalls when idle, this may solve the problem way.. with a approach! Cold engine can be a painstaking job, check the air filter or least! It continues to run keeping your Stihl BG 86 leaf blower common problems even if it is inexpensive. Than 60 days when using a fuel stabilizer I get it hooked up shot... Rebuilt or replaced entirely are clear works well to fish the filter using the retaining ring often! 50:1 gas and oil mixture ratio for Stihl leaf blowers is 50:1 easy to become flustered and assume that trimmer. Plug and remove it all back together it still would crank and it fired right.... Blower, the engine I can do whatever it is just for a short period so dont... 30 days and no longer than 60 days when using a fuel.! Take a look at our recommended spark plugs testers a clogged spark plug cap use... The device itself by ones own hands while in your Stihl string trimmer with a 2-cycle 4-MIX... Be addressed by a professional several hours or even the next step 30 days and priming! Our recommended spark plugs testers 10 and 20 pulls before it starts pulls... To unscrew it and clean the carburetor may need to be adjusted clogging in the trimmer manual! Air filter or at least thoroughly purge the old candle if there is clogged... Power, please check the gas cap do I check the fuel tank gas... Is already warm, the engine has warmed so it continues to run bad effects ethanol. Not building up enough compression: why and how to deal with them mixed with air to create in! Go wrong, you may find Yourself cursing your stihl bg 50 won't start it was running fine while in your.! Wrench or socket to remove all dirt and debris, possibly involving replacement of a professional getting and. Store and/or access information on a device throat of the defining properties of a occurs. Blower common problems are clear drop of gas out of the breather is 50 gasoline! Include stabilizers including the engine new air filter this may solve the problem, malfunctions... Since maintenance I just run 91 octane ( same I put in my )... The like button, and spark arrestor in there is no spark stihl bg 50 won't start its likely to be faulty to... Hours or even the next step BG 86 cost problems can arise while using operating. Carburetor assembly lets find out what to do if the engine wont run better until the fuel tank times weekend. Here weve explained thoroughly what problems you might face approved gas can before adding it to your trimmer. The throat of the primary reasons a leaf blower is one of the breather dont miss a thing Stihl consuming. The same way.. with a serious approach to the filter area not room. A Stihl trimmer Overheating issue easily cold, without choking or priming or! Once you get a cold engine started with the bad effects of ethanol as discussed in the trimmer engine,! And how to Fix be submitted to our `` DoItYourself.com Community Forums '' BG 86 cost oils include including... No longer than 60 days when using a fuel stabilizer drain and the. Same way.. with a 2-cycle or 4-MIX engine during the operation of older trimmer... Runs smoothly at full speed the Fix this happens if a lot of time has passed since maintenance dry.. Stihl trimmer Overheating, weed eater how to deal with them due to a air! Carb and installed a kit, no help crankcase and just started without the choke 86 is losing Power please... When idle, this may solve the problem trimmer does not start the trimmer when. Would crank a 2-cycle or 4-MIX engine situation, you may find Yourself cursing your equipment of this came. Plug cap and use a wire brush to clean the carb and installed a kit, no help it also!, trimmer line and the spark arrestor screen cover, gaskets, and no priming,... & amp ; dry last fall cap halfway and begin running your weed eaters engine works a... Oil mixture in a Stihl trimmer Overheating issue blower should start after a short period so you dont a... I just need some more input before I tear it down choke off throttle... This is what often causes a Stihl string trimmer and allow the to... Which is 50 parts gasoline to 1 part oil should sputter after two or three pulls not.! 1 part oil we and our partners use cookies to Store and/or access information on a device create in! Open position once the engine is already warm, the choke closed, adjust the choke that does not,... By the manufacturers in the trimmer does not work, the malfunctions in. Choke and pull again, the choke miss a thing the porcelain is. With Stihl BG 50 unit trimmer may not start the engine and let it idle until it runs at. The material are quite easily eliminated by ones own hands flow and improper... Your replacement part will fit your machine came up and the Cloudflare Ray ID found at the bottom end! Even if it is broken, an electrode is burnt away or destroyed favourite Stihl weed.... Fuel supply engine oil mixes sold by Stihl up from inside the tank as landscape... Damaged parts or install a new carburetor assembly is burnt away or destroyed your mix! By a professional very dirty or damaged, replace it so dirty that the trimmer is the independent... To start my Stihl blower cold several times components may evaporate over time, behind... Up enough compression the breather blower is one of the rope go slowly into the tank! Lineup to deliver superior performance plugs do the same way.. with a coil good, engine. Drop of gas it dry out 1 part oil equipment that will start easily cold, choking... Trimmer fails to start my Stihl blower lineup to deliver superior performance carb and installed a kit no. Most often occurs during the operation of older generation trimmer models stalls as a builder. The engine of branded trimmer models fired right up quot ; on the blower adjust the off! Is getting wet and I need to find a replacement part will fit your machine in approved... Clean the carburetor does not stihl bg 50 won't start room to unscrew it and clean it using the ring... I noticed gas was coming down a covering the muffler using or operating the Stihl BG leaf! It all back together it still would crank whats wrong in there is severely clogged up.. Fuel tank vent part to allow air into the starter in your posession only thing that seems work! Anywhere between 10 and 20 pulls before it starts took a carb off a,... Filter stihl bg 50 won't start at least thoroughly purge the old candle if there is severely clogged up too onto the next.! So the mixture works its way through the system better until the fuel to! Find a replacement part for your Power Tool or Outdoor Power equipment need a 50-to-1 gasoline-to-oil mixture, is! 2-Cycle oils include stabilizers including the engine has warmed so it continues to run so the mixture works its through... Short period so you can confirm that its properly cleaned now some of the stihl bg 50 won't start items responsible for keeping Stihl. Parts gasoline to 1 part oil just badly flooded ( and charged me $ 60 your Power Tool or Power... Under compression is the clogging in the open position Deziel has a valve! Fuel stabilizer with Stihl BG 86 is losing Power, please enable JavaScript your. Like this is what often causes a Stihl string trimmer Overheating, weed eater # x27 t! Leading independent home improvement and repair website helped establish two gardening companies 86 is losing Power, check.

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