stihl bg 50 won't start

The diaphram was bad. If fuel isn't the problem, then the blower's spark plug may be dirty or damaged. By Chris Deziel Updated December 27, 2018. Verify fuel - I find this harder on 2 cycle engines. This blower was running perfect. 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. I have the latest on my BG85. Check after each use of the tool whether oxides and deposits have formed on the surface of the ignition system elements. Unscrew the fan housing from the side of the blower to check. We all are merely gleaners from the masters who were here before us. This filter is used to strain fuel before it enters the fuel pick-up tube. . Once you have taken out the spark screen hold it with a pair of pliers or put it in a vise. You wont have to deal with the bad effects of ethanol as discussed in the next section. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. I have a husqvarna backpack blower that has been great for the last 5 years. It started 3rd pull when I started using it today. Just so you know, we may collect a share of sales or other compensation from the links on this page. Miller Lawn & Power Equipment is an authorized STIHL STIHL OUTFITTERS Dealer in Marion, OH. BGA 200. Turn the choke knob to the closed position to keep dirt from falling into the carburetor throat. These fuels contain up to 15% and 85% ethanol respectively. Also, the price varies, it depends on the battery. The proportions in which these components are connected are indicated by the manufacturers in the trimmer instruction manual. I also had to replace the coil. Mine clogged quickly on mine. Often, the engine of branded trimmer models stalls as a result of clogging of the breather. Sometimes the high energy plug wire can short out if the shroud cuts into it. BG 75. If it is planned to store the gas trimmer in the offseason not in the house, it is recommended to tightly wrap the engine of the unit with oiled rags. Gas starts pouring out the exhaust. Follow all safety instructions provided in your equipment operators manual before diagnosing, repairing, or operating. However, since you can only adjust this with the spark plug installed, you must wear protective gear. Why doesnt the gas trimmer start? Your chainsaw engine will sputter first. Your email address will not be published. Refuel the trimmer exclusively with fresh fuel, the quality and origin of which is beyond doubt. This may cause a malfunction of the cylinder-piston system. good to know I have a neighbor. To install the new rope, remove the top casing mounting screws and take the top cover off. Clean the screen with a wire brush to remove the soot. Replace the filter with a new one if it is very dirty or damaged. 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. Buying Guides Product Tutorials How to Use & Start Battery Guides Professional Tips. I agree. The blower fan is most likely damaged. If your Stihl leaf blower stops working after beginning, try restarting it using the appropriate start-up process. DoItYourself.com, founded in 1995, is the leading independent home improvement and repair website. 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. Swing the filter cover (2) open and take it away. I would certainly like to get it running again, so any suggestions for what to do next would certainly be appreciated. Restart the blower after adjusting the choke to the correct setting for the engine temperature. Need to find a replacement part for your Power Tool or Outdoor Power Equipment? Clean away loose dirt from around the filter. I am using a semi synthetic oil. Let us know how you cracked it. Such commotion can arise due to a faulty spark plug, carburetor, fuel filter, or spark arrestor. When you tighten the cap and allow it to run and the string trimmer dies and fails to start until the cap is loosened, you most likely have a fuel vent problem. BG 56 C-E, BG 66 L, BG 86. Add a 2-cycle premium oil that is ISO-L-EGD and JASO M345 FD certified. If the carburetor is jammed, use carburetor cleaner to clean it. When I put this new plug in it did just start and then just stalled out several times. I have looked at everything minus taking out the sparkblug and drying it. Seen that happen several times. On my stihl handheld blower the muffler has a little piece that is threaded in right where the exhaust exits. Replace a bad spark plug. A cracked STIHL primer bulb that wont fill with fuel wont function correctly to get fuel to the carburetor for starting the string trimmer. Gas left in the tank for 30 days or more can deteriorate, causing the engine to stall or not start. Fuel mixture proportions, How much can you work with a corner grinder with a brush. If the engine won't fire, and you smell gasoline, the carburetor is probably flooded. If it's not starting or has no power then there's a trick to fix Use a Fuel Stabilizer: To help keep your fuel mix from breaking down so quickly, use a fuel stabilizer. SOLUTION: Before removing the spark plug, wipe around the plug to remove all dirt and debris. I tried a hour ago to restart it after letting it set a couple hours no luck. This will give you an indication as to whether the air vent is blocked. Replace a spark plug that is very dark in color, has signs of wear, or is damaged. Its best to consume fresh gasoline within 30 days of purchase. This can take anywhere between 10 and 20 pulls before it starts. Then I move choke lever off choke and it does the same thing for a few pulls. Just a small amount of dirt or debris can cause irreversible engine wear and damage. 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. Watch out for proof of wear or damage on the spark plug. There is already plenty of air in the crankcase and cylinder when you go to start the engine for the first time. 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. 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. 1. This may be all it needs to give me a few more years. Use ordinary fuel and two-cycle, air-cooled engine oil. 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. Unlikely to be the plug as it is a CMR6H and they are pretty long anyway and am not sure you can get a longer type! However, in no case should you resort to calcining its elements. It's also green colored. SOLUTION: Replace a plugged fuel tank vent. Once you've narrowed the problem down to a carburetor issue, it may be wise to bring the trimmer to a Stihl service technician. The spark arrestor is a screen attached to the muffler by a single screw -- you must remove the muffler cover to access it. I was wondering if it would harm the engine or carberator setting if I totally removed the spark arrestor? 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. Question: Why is my Stihl Bg 86 losing power? Remove and clean the carburetor. To clean the muffler screen, either remove the top cover first, or you can remove the screen with the help of pliers. This blower tries to start cold actually catches hold for a couple seconds. It is definitely heat related. But as soon you put your finger on the full throttle, the blower will start bogging, and you will witness a lack of power or completely no power too. 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. We hope your understanding of Stihl Bg 86 Leaf Blower Common Problems are clear. However, this airflow could be interrupted for a variety of reasons. Drain the fuel. Now Just $129.99. Other than that I have not had to do anything to it. 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. If it won't get fire outside it won't get it inside. If fact the primer appears to be draining and no amount of pumping will get them to prime. STIHL uses a small fuel tank vent part to allow the tank to vent. The next step is to place the leaf blower down on the ground. Two days later, it refused to start. 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. If the trimmer has been in storage, however, the carburetor may be clogged with old fuel and in need of a thorough cleaning. Once you can see through the screen, you can confirm that its properly cleaned now. I've been using TruFuel 40:1 in my ryobi trimmer with no problems yet. Once the muffler screen is out, use a torch or something like that to clean it. I have a Stihl BR-420c blower that is about 5 years old with light use. They have both developed the same problem which is not priming when really hot. Repair in this case often exceeds the cost of the device itself. Insert the socket wrench onto the spark plug and remove it from the engine. Be sure to depress the throttle to rev the engine before it dies. This post may include affiliate links. You have to unscrew the fan from the side of the blower. Coils can ground out going to the kill switch too. When I got it I started really blowing hard with it. Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". 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. BGA 45. You can get yourself in a pickle if youre not fully aware. I have 1) cleaned the carb 2) taken out the spark arrestor and it was clogged really bad, I burned all the carbon off and scrapped with a wool brush - looks brand new! The trimmer manual calls for 50:1 but for some reason it runs more "freer" on the 40:1. A weed eater engine is a delicate piece of equipment that requires a good and constant air flow to keep operating. JavaScript is disabled. It doesn't even try to fire when I pull cord. Use a fuel stabilizer. In the presence of heavy pollution on a surface of the filtering element it is necessary to use a new grid. The fuel filter used on a STIHL string trimmer can be found in the fuel tank. So, what can be the problems you might face? It still will not start today. You may as well try to clean the carb before you scrap it. 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. Filling the trimmer with fuel of an unknown origin that was not purchased at a gas station is fraught with the occurrence of frequent malfunctions in the tool. (If you are continuing to work on the trimmer, detach the spark plug wire. On top of being frustrating, pulling harder than necessary can even result in damage to your blower!In this video, we'll help you troubleshoot some of the common reasons why your blower won't start, and provide you with a little insight into how to diagnose your machine.Most Common Issues Preventing Your Leaf Blower From Starting:Dirty or Defective Spark Plug (0:23)Clogged Carburetor (0:32)Damaged Rewind Spring (0:49)Clogged Spark Arrestor (0:59)Ignition Coil (1:10)Recoil Starter Pulley (1:28)************************************************************************************* Did you find this video helpful? Replace Zama C1M-S261B Carburettor. To cope with the task will allow the use of ordinary ladies nail files or needle files. Such commotion can arise due to a faulty spark plug, carburetor, fuel filter, or spark arrestor. You need the extra rich mixture to get the engine to fire off when it's cold. At least that was the price at the dealer nearest me..in GA. Having dried all the mechanisms, lubricate the movable elements. 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. Thanks. Check the electrode gap and make sure it is set to STIHLs specification. Furthermore, you will need to replace the fuel filter from time to time. If not, then it could result in the weed eater overheating. It's not ethanol free, but that's what I've got. It may not display this or other websites correctly. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. If the fan is slackened, only then tighten it. No clogged fuel lines, air filter & muffler are clean, and carb seems to be working. If the blower was running fine while in your posession . To do this, simply remove the gas cap halfway and begin running your weed eater. Gas is on t My 20 year old Homelite HB100 blower is not sparking the spark plug. Check the current state of the spark plug and if it looks fouled or damaged, replace the Spark plug. Its an obvious sign that you have a plugged exhaust, which means the small screen (spark arrestor) on the exhaust is clogged. The issue is solved by dismantling the anti-spark mesh and cleaning it. Your blower might not blow as much air as it used to. After using it for about an hour this weekend, I shut it off for a while, and now cannot start it again. Using a trimmer is necessary when you want to achieve that finished appearance to your homes exterior. This happens if a lot of time has passed since maintenance. If the recoil starter pulley is broken, replace it. Indeed, with long-term savings, the loss of the defining properties of a substance occurs. If the damage looks severe, you might have to replace the carburetor. 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. Tap the filter against the palm of your hand to loosen dirt so it falls from the filter. You should make sure that the idle speed is always correct. Always had problems before. The Fora platform includes forum software by XenForo. So lets get cracking into it-, As we mentioned before, Stihl Bg 86 is one of the best leaf blowers but it has a lot of drawbacks. To confirm the guess, it is enough to dismantle the indicated block and try to start the unit without it. You'll find the right STIHL OUTFITTERS in the STIHL line. New High Quality Aftermarket Carburettor Fits for Stihl SH56 SH56C SH86 SH86C BG86 Blower. That being said, even with more simple fixes, if you are at all unsure of how to tackle the issue, it can be a good idea to seek professional help. BG 85. Any help would be appreciated. Should You Store A String Trimmer Vertical Or Horizontal? You'll find the right STIHL OUTFITTERS in the STIHL line. An example of data being processed may be a unique identifier stored in a cookie. If the fan is broken or damaged, replace it. I tried it today (a day later) and it fired right up. Another problem is Stihl Bg 86 will start but stop after some time.

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