Question: Why is my Stihl Bg 86 not blowing hard? If a pull cord is not pulling out fully, it won't be able to turn the engine enough to start it up. I have replaced the spark plug last year. BG 85. Take your Stihl leaf blower far away from fuel gallon 3. Wipe around the fuel cap to remove any loose dirt so it doesnt fall into the fuel tank once you remove the cap. Add a 2-cycle premium oil that is ISO-L-EGD and JASO M345 FD certified. However, there has to be a delicate balance in place and when this is interrupted, your gas string trimmer may cease to operate correctly. BG 55. The engine may stall if the spark arrestor is clogged. Remove the spark arrestor from the muffler. Clean away loose dirt from around the filter. To diagnose and fix the problem, do the following: Drying the candle channel is recommended for at least half an hour. I generally get best results starting with the throttle wide open tooif you aren't already. Regularly replace parts including filters, trimmer line and the spark plug. Its possible that the carburetor is blocked. Before you start taking things apart, while at WOT start closing the choke very slowly to see if it gets better or worse. Lets say you do not start the trimmer. STIHL - The Number One Selling Brand of Chainsaws | STIHL USA Conduct timely, regular technical inspection of the main mechanical components of the device. 85.214.20.145 However, sometimes it happens that the trimmer does not start on hot and even cold. 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. If the fan is broken or damaged, replace it. Replace a spring and restring the recoil starter. 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. 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. 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. Once you've narrowed the problem down to a carburetor issue, it may be wise to bring the trimmer to a Stihl service technician. I appreciate the help neighbor. If the recoil pulley is broken or stuck, it won't be able to rewind the starter rope. Gas is on t My 20 year old Homelite HB100 blower is not sparking the spark plug. How do I get into and remove it? This process gives you the chance to notice when the engine uses the fuel in the cylinder. Just so you know, we may collect a share of sales or other compensation from the links on this page. Do not forget to check the current state of the fuel filter, and if it looks severely damaged, replace the Fuel filter. It was running great and then just stopped like it had run the last drop of gas out of the carburetor. All information is provided "AS IS." These fuels contain up to 15% and 85% ethanol respectively. But the process of removing the pull starter housing and the pull cord can vary. Troubleshoot hard starting on Stihl BG 55 blower. The spark arrestor is a tiny screen that stops sparks from being produced by the engine. 1. I do not know where to start. BGA 57. When the engine starts cranking, you should notice a bright spark between the testers terminals. 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. Usually if you do not get the engine to pop off or try to start with a few pulls with the choke, then you should take the choke off and try starting that way. The saw only sees action in the spring, summer and fall. This can take anywhere between 10 and 20 pulls before it starts. You can use a wire brush to clean up the screen if needed. If this becomes warped, it will no longer operate as expected. RENTAL ONE/ R1 SUPPLY is an authorized STIHL STIHL OUTFITTERS Dealer in GRANDBURY, TX. Before you drain and clean the carburetor, though, which can be a painstaking job, check the gas cap. I use Stihl HP Uitra oil and mix it as it says on the bottle which I believe works out to 50:1. Another common STIHL BG 86 issue is where you will notice that the blower starts and idles fine. Replace the filter with a new one if it is very dirty or damaged. 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. Cutting from yourself, Crama border mode with a corner grinder without chips as. Press the Manual on/off button (If the handle doesn't work) Sometimes the high energy plug wire can short out if the shroud cuts into it. 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. Nov 19, 2006. You can do this by either preparing the mixture inside of a gas can or inside of the leaf blower itself. A great option to reduce fuel problems and extend engine life is using an ethanol-free fuel mix. How do I check the fuel lines as well. Start the saw let it warm 2-3 min. 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. Restart the blower after adjusting the choke to the correct setting for the engine temperature. Drain the fuel. When he's not helping readers find all the information they need, he's in his backyard working on his lawn and garden landscaping. It is extremely not recommended to prepare the fuel mixture in large volumes, that is, for the future. . The space is so tight once on there the handle does not leave room to unscrew plug. Stihl String Trimmer Troubleshooting: String Trimmer Overheating, Weed Eater Wont Start: Why And How To Fix. Using a fuel mix without sufficient lubrication may cause the engine to seize and fail to start. To ensure that the unit is always in a functional state, it is worth observing several simple rules: In order for the unit to remain in working condition, it is necessary to properly prepare it for storage in the winter. When I go for the trigger it revs but doesn't get going right away. Was stored freshly tuned & dry last fall. Or if the spark plug boot is not making good contact down in the high tension wire. Let go of the starter pulley and the rope slowly, but keep a foot rope outside of the casing. I disassembled entire engine and everything looks good. If it won't get fire outside it won't get it inside. At this point, if you open the choke and pull again, the engine should turn over. The Fora platform includes forum software by XenForo. The engine should sputter after two or three pulls. Thanks. The Stihl that was comparable was the FC-56 @ 219.99 (vs. the 199.99 for the Echo I had.) 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. Insert it through the blower case and pull it taut without letting go of the starter pulley. If the engine sputters but won't quite turn over, there's a good chance that the air filter or spark arrestor are clogged. Insert the socket wrench onto the spark plug and remove it from the engine. Is there any way to verify that the key is missing without pulling the pulley? All STIHL string trimmers require a gas-to-oil mix ratio of 50:1. If the blower still wont turn on, its possible that the engine is cold. If the cap isn't properly tightened, the fuel delivery system won't work properly. You should make sure that the idle speed is always correct. More often than not, it's an easy fix, possibly involving replacement of a spark plug or air filter. What to do if the function block was serviced in accordance with the above recommendations, but the trimmer does not start, is there a spark? 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. 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. I just run 91 octane (same I put in my truck). Repeat this procedure until the blower revs smoothly at full power. SOLUTION: Remove the air filter cover and clean or replace the air filter. 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. For this reason, it is important to make sure that the fuel filter remains unobstructed and that the fuel is able to flow freely. When the spark plug is fouled, it may not provide the spark needed to start. Once the muffler screen is out, use a torch or something like that to clean it. I noticed when I was cranking it that small bits of gas were coming out of and wetting the end of the muffler. You are using an out of date browser. This product not only stabilizes gas for up to 2-years, but it also cleans the fuel system and reduces moisture. SOLUTION: Drain old fuel in your string trimmer. Watch out for proof of wear or damage on the spark plug. JavaScript is disabled. I have an Echo that's about a week old and it never seems to start with the choke in the cold position. There are four cycle engines and two cycle engines although the latter is much more common in residential equipment. Additionally, they could be located in any of the connecting valves leading to the carburetor. Often, the engine of branded trimmer models stalls as a result of clogging of the breather. I recommend replacing the fuel filter at least once a year while checking it periodically. One: choke and pull once. Stihl Bg 86 Leaf Blower Has a Fuel Problem, 6. For example, if the fuel filters are dirty, this could result in improper air flow and an improper fuel supply. Hold the starter rope in a U shape and use a knife to cut the rope. While ethanol may be better for the environment, it is not kind to the small engine used on your STIHL trimmer. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. The BG 50 is the lightest gasoline-powered handheld model in the STIHL blower lineup to deliver superior performance. This product naturally attracts moisture from the air causing premature corrosion and fuel restrictions. After 9 years fuel lines have been known to get hard and split causing air to be sucked into the fuel line. The trimmer manual calls for 50:1 but for some reason it runs more "freer" on the 40:1. Replace the fuel if you find it dirty as well. Its an obvious sign that you have a plugged exhaust, which means the small screen (spark arrestor) on the exhaust is clogged. Position it to point to the symbol that looks like a slanted line. Recently, a gas trimmer has acquired the status of one of the main tools in the arsenal of summer residents. Remove the spark plug,. As a result of this, the fuel supply will be interrupted and this will prevent the weed wacker from working. MS 170 $199.99 DSRP BG 50 $149.99 DSRP BR 450 $499.99 DSRP Special Offers; Who We Are; Email Signup; Contact Us; Apparel & Gifts . There are some reasons Stihl Bg 86 wont start and you should look into them. As a result of this, the fuel supply will be interrupted and this will prevent the weed wacker from working. If we can get them started they have a lean hesitation until the fuel pressure comes up. SOLUTION: Disconnect the spark plug boot. Your STIHL string trimmer uses a recoil to start the engine. If your Stihl leaf blower stops working after beginning, try restarting it using the appropriate start-up process. Its best to consume fresh gasoline within 30 days of purchase. I am assuming the plug is getting wet and I need to let it dry out. 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 air filter keeps dirt from getting to the engine through the air intake. The gasoline tank of a Stihl Leaf blower might go dry. Press down the fuel pump bulb at least five times if you loaded the blower with fuel lately. I would certainly like to get it running again, so any suggestions for what to do next would certainly be appreciated. You need to replace the starter rope to fix this problem. colour: as shown. I am going to take it by and have it looked at. Was $149.99 MWS-SRP. If it's not starting or has no power then there's a trick to fix It takes care of trimming grass in hard-to-reach areas like ditches, water features, and narrow pathways. When resorting to such actions, one should not leave the suction pipe completely without a filter. Won't Start at All A leaf blower that won't start at all may require fuel. Push Mower vs Self Propelled: Which Is Better? 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! As a result, the engine will not start at all. Echo X Series Back Pack Blower With Tube Throttle 79.9Cc, Husqvarna 360BT 65.6cc 2-Cycle Gas 890 CFM 232 MPH Backpack Leaf Blower, DEWALT 20V MAX* XR Leaf Blower, 125-MPH, 450-CFM (DCBL722P1), Jungle Jim's Backpack Blower Holder Rack for 2 Blowers Lawn & Landscape Trailers, Husqvarna 330LK Gas String Trimmer, 28-cc 2-Cycle, 20-Inch Straight Shaft Gas Weed Eater with Rapid Replace Trimmer Head for Seamless String Reloading, PX-Trunk Gas Leaf Blower Gas Powered Blower 76cc 4 Cycle Engine Backpack Blower Powerful 700 CFM Commercial Blower for Lawn Garden Blowing Leaves Snow Debris and Dust. Turn the choke knob to the off/open position. On my stihl handheld blower the muffler has a little piece that is threaded in right where the exhaust exits. If not, we will have to move onto the next step. Performance & security by Cloudflare. Took a carb off a runner, no help. Right across the state line in SC,. Then you need to clean the air filter, partially disassemble, blow and rinse the engine of the unit. This air needs to be cool and will mix with the fuel. Lets see-. So, what can be the problems you might face? Add Sea Foam Motor Treatment to the mixture. Continue with Recommended Cookies. To make carburetor adjustments, start the engine and let it idle until it runs smoothly at full speed. Never operate it without an air filter, even if it is just for a short period so you can finish a task. The components of any carburetor are: Unscrew the candle. Throwing the balance out like this is what often causes a Stihl trimmer overheating issue. Notify me when new ads are posted. Now work on the idle: 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. Roy, you are close. Another problem is Stihl Bg 86 will start but stop after some time. When the piston moves up, this creates suction which draws the fuel and oil into the carburetor. 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? I was thinking of pulling the fuel filter up from inside the tank as a starting point. 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. Luckily, untangling the pull cord is not too difficult and all you have to do is access the pull cord by removing the pull starter housing. As a result, engineering changes and improvements are made from time-to-time. Replace the recoil starter when it is damaged. BG 50. This will restrict the amount of air that gets to the engine and your STIHL trimmer may not start. This filter is used to strain fuel before it enters the fuel pick-up tube. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. 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. All you need is your model number and you can shop with confidence, knowing your replacement part will fit your machine! Old fuel sitting in your string trimmer can leave a gummy sticky deposit behind that restricts fuel flow. It started 3rd pull when I started using it today. If there is no spark, its likely to be faulty. 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). When this part is plugged and no longer works, your trimmer will begin to run sluggish and possibly die. If the carburetor is jammed, use carburetor cleaner to clean it. It doesn't even try to fire when I pull cord. If you've used the correct procedure to start your Stihl trimmer and it does not start, the problem is likely related to either the spark, the fuel or . The latter does not need to be abundantly impregnated with fuel. Discard the old spark plug and replace it with a new, identical spark plug, which will be recommended in your operator's manual. Your email address will not be published. Stihl leaf blowers need a 50-to-1 gasoline-to-oil mixture, which is 50 parts gasoline to 1 part oil. I had to start my Stihl blower cold several times this weekend. This year he hopes to build an outdoor deck and sort out his veg patches. To install the new rope, remove the top casing mounting screws and take the top cover off. 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. 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. Oakleigh Mowerpower 1130 - 1132 North Rd, Bentleigh East, VIC 3165 03 9563 7299 Without a vent, a vacuum will form in the tank that will keep fuel from getting to the carburetor. We welcome your comments and suggestions. Hold the blower 5. You may as well try to clean the carb before you scrap it. Would it even make a difference in power? All rights reserved. Indeed, the rush in this case may lead to the need to repair the entire piston group of the engine unit. Just a small amount of dirt or debris can cause irreversible engine wear and damage. Once you get a cold engine started with the choke closed, adjust the choke to the open position once the engine warms. Replace the old blade with a new one when it has been removed. Then the refueled blower might have trouble starting. It is definitely heat related. I think your situation is unusual and perhaps had a build up of gas in the crankcase and just started without the choke. Remove the recoil starter assembly and inspect it. Reinstall. I bought if from an old gentleman who did not use it that much. How to start a Stihl leaf blower in 7 easy steps 1. If the blower was running fine while in your posession . If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Pull off the cover and pry the filter out with a screwdriver to clean or replace it. Place the filter back inside the fuel tank and reinstall the fuel cap. It's not ethanol free, but that's what I've got. Stihl Blower | Gas coming out of exhaust. I also had to replace the coil. Follow all safety precautions in your STIHL operators manual. The frequency of this will depend on how often the trimmer is used. Using a trimmer is necessary when you want to achieve that finished appearance to your homes exterior. Did you ground the plug and pull the engine over to check for spark plug firing outside the engine? Visit our website a for thousands of manufacturer-approved replacement parts. Questions of a Do It Yourself nature should be submitted to our "DoItYourself.com Community Forums". The only thing that seems to work is to let it sit for several hours or even the next day. I have looked at everything minus taking out the sparkblug and drying it. BG 86 $289.99 . Try giving the bulb a press. BG 65. I was blowing leaves tonight and it just stopped like it ran out of gas. Ensure the choke knob is on/closed to restrict airflow when starting a cold engine. So make sure you know whats wrong in there. eastern,nc. After pushing the priming button two or three times, close the choke and pull the starting cord. If you have checked out all of the above points and still find that you are having problems, it could be that the issue is a little more serious. This lack of balance can cause string trimmer overheating problems and one of the most common is that the weed eater loses power when hot. This happen to me years ago with an older model I used to own. Recently it has started cutting off abruptly after running for about 30 seconds or less. There may be several reasons for this, most of which can be solved at home. Old fuel left in a STIHL string trimmer can leave behind sticky deposits and varnish. Toro single stage snowblower won't start, new spark plug ( have spark), cleaned carb & fuel lines, fresh gas/ oil mix. When I got it I started really blowing hard with it. This post may include affiliate links. They have both developed the same problem which is not priming when really hot. Purchases made through these links may provide a commission for us, at no extra cost to you. :cool2: I was wondering if it would harm the engine or carberator setting if I totally removed the spark arrestor? I noticed gas was coming down a covering the muffler. I plan to keep it and bring it back to life. Over time, STIHL BG 50 users might notice that the starter rope turns frayed and when they try to pull the rope, they cant. I prefer to replace it. If it is broken, buy a new one. Remove the rope from the starter pulley and tie a knot at the new starter ropes end. I cant get a plug wrench to turn when I get it hooked up. Gave it fresh gas last week, started on second pull and ran strongly. Then, use a torch to burn all the oil & build up carbon. However, this airflow could be interrupted for a variety of reasons. Current Matches Filter Results (13) Filter by Category: Buy & Sell (12) Cars . It starts basically like normal but then cuts off suddenly. The reasons for the failure of the mechanism may lie in the excessive wetting of the candle channel. Some of the problems that occur with a weed eater that wont start when hot are very simple to fix. The spark arrestor might become blocked with ash over time. I tried a hour ago to restart it after letting it set a couple hours no luck. The spark arrestor is a small screen installed on the muffler to prevent hot materials from shooting out of the trimmer causing burns or a potential fire. If so thats a bad idea. If the primer bulb appears in good condition and it still wont fill, check for a clogged fuel filter or fuel line. Sort by. The STIHL philosophy is to continually improve all of our products. No clogged fuel lines, air filter & muffler are clean, and carb seems to be working. Any help would be appreciated. I'm working on my blower now, so I will check for a spark. 1 lurkalot Member 298 Location: Essex UK Reviews. 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. Doing this will allow any hot air to escape. Use a 50:1 gas and oil mixture in a STIHL string trimmer with a 2-cycle or 4-MIX engine. If the fan is slackened, only then tighten it. SOLUTION: Use the following procedure to unflood your string trimmer so the engine gets the correct fuel-to-air ratio required to start and run. You should be able to unscrew it and clean it with a torch/lighter or just remove it all together. To process the piston system with oils, you must first remove the spark plug. Understanding how your weed eaters engine works is a great way to be able to solve problems when they arise. Andrew is a dedicated father of three who really takes pride in his lawn and garden. Most people just take them out. Turn up the volume on the engine. I rarely see equipment that will start easily cold, without choking or priming. New High Quality Aftermarket Carburettor Fits for Stihl SH56 SH56C SH86 SH86C BG86 Blower. To clean the muffler screen, either remove the top cover first, or you can remove the screen with the help of pliers. Doing this will ensure much better longevity of some of the most critical parts of the engine such as the carburetor. 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. The issue might potentially be with the tools muffler. However, with a serious approach to the problem, the malfunctions indicated in the material are quite easily eliminated by ones own hands. If it does not pop off after a pull or two with the choke, then try it without the choke. Therefore, if the trimmer does not start, it is worth draining the old fuel and use a freshly prepared fuel mixture. This happens if a lot of time has passed since maintenance. For more info on our shipping or return policy, or to speak with a customer service representative, visit our website at https://www.ereplacementparts.com/ Connect With Us! SOLUTION: Before removing the spark plug, wipe around the plug to remove all dirt and debris. Of course, if there are things in the way, the fuel is unable to enter the carburetor as easily and this will undoubtedly cause problems.