Replace it if the quality has deteriorated. They all come with their fair share of technical issues. Once complete, start the engine and check to make sure the chainsaw is now running correctly. I doubt it has more than four or five hours on it. This helps identify the compression. Tuning of the screws to adjust and align them. Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) It is experienced during welding, idling, or full throttle. Stihl Chainsaw Bogs Down When I Give It Gas The Job of the Carburetor Without the right amount of air and fuel in the piston cylinder, the 2-cycle engine in a Stihl chain saw runs inefficiently and the saw loses power. Kilikoba Nashoba 858 subscribers 46K views 7 years ago This video is about likely causes of a Stihl chainsaw engine. The reason for. In case you have filled it wrong, drain it out and replace it with the correct mix. If it still doesnt look clean, it might be time to replace it. In my experience, there are two possible causes of this 'bogging down of the engine' and to resolve this the manufacturer's manual is required or alternatively a little internet investigation. As a result, the chainsaw will bog down at full throttle. Prevent oil from accumulating in the engine. (Even After Sharpening). The Job of the Carburetor Without the right amount of air and fuel in the piston cylinder, the 2-cycle engine in a Stihl chain saw runs inefficiently and the saw loses power. Home Why Is My Chainsaw Bogging Down? That should help improve the performance of the chainsaw and resolve the issue of your saw stalling when you give it gas. on Chainsaws. The first problem is that when the saw is tilted forwards or the chain brake is disengaged it stalls. Loosening the screw, on the other hand, enriches the mixture with gasoline and lowers the RPMs to a set limit. An example of data being processed may be a unique identifier stored in a cookie. Similarly, adjust the other screws, namely the L and H screws, until the RPMs are at an optimal level that prevents the saw from burning out. After checking and cleaning the filters, see if the carburetor orientation is proper. I have replaced the spark plug (properly gapped), rebuilt the carb, replaced the fuel line and the fuel filter, cleaned out the chain brake and the clutch and cleaned the fuel tank air pressure stabilizing valve. Weather is 30-50 when I'm cutting and I'm trying to run 40:1, 93 only. random_imglink() However, if you decide to clean your carburetor use a thinner to clean the gum buildup.Ensure the important plastic parts are removed due to the thinners ability to dissolve plastics. Get a carburetor repair kit before you begin clearing the blocked jets. his personal experience and loves to share their nitty gritty details with his audience. All internal or external factors that reduce the supply of combustible air causes bogging down. Unless you are running an electric chainsaw (which is a totally different beast), your chainsaws motor is a combustion system that relies on a proper ratio of gas, oil, and air. Clear all dirt and debris from the saw body, chain, and bar. In both cases, your chainsaw will be affected as it can damage the engine and your chainsaw might die off when you give it gas. 3. My STIHL Saw Keeps Stalling | Home Guides | SF Gate Most engine problems can be solved with the previously mentioned adjusting procedure. If the band is measuring less than 0.6 mm (0.024 in) at the most worn part, you need to replace the brake band. How do you know what the best gas-to-oil mixture is the best for your chainsaw? A clean and fixed carburetor is key to achieving full throttle performance. imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" Here is a visual troubleshoot guide by Foxboss9 discussing the bogging issues and their solution: A Husqvarna chainsaw bogs down due to a clogged air filter or spark arrester. Why does my Stihl chain saw bog down when I'm cutting? function random_imglink2(){ Dont forget that a maintained chainsaw is a working chainsaw! Turning it clockwise will increase fuel flow, and turning it counterclockwise will reduce fuel flow. If the kit comes with welch plugs I take those out too. Anyone have any suggestions? //specify random images below. I. Currently I live in Austin, United States. Stihl MS 180C running problems, bogging down, fuel starvation?? in Too much or little fuel results in engine stalls.The three adjustment screws in the carburetor ((High speed, Low speed and idle) come in handy when preventing stalling.Adjusting the idle screw, for instance, is a corrective measure for a chainsaw stalling when idle. --If you want more backyard tips including recipes, how-tos and more, make sure you subscribe to my youtube channel, Can Chainsaw Chains Be Shortened? Drain the fuel tank and store the gasoline in an appropriate container before bringing it out. If youve checked both the fuel mixture and air filter on your chainsaw and still experience bog down, it may be time to move on to the carburetor. If you have recently bought the saw or it has been sitting for a while and not used, the best option would be to clean the carburetor and set it according to the factory specs. Why does the Husqvarna chainsaw bog down at full throttle? You will need to position your file depth gauge so that the arrows are pointing toward the nose of the chainsaw bar. Consult the user manual for the right ratio of gas to oil. After this, check the air filter and carburetor for dirt and debris. Updated: 00/04/25 The spark arrestor is a small screen that prevents the engine from emitting sparks. If your chainsaw doesn't start, adjust the carburetor screws till it doesn't bog down. That explains why they run worse after i rebuild them! A new chainsaw has some protocols to follow. To unclog the spark arrestor, remove it and clean it with a wire brush. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. Other potential causes of bogging may include a spark plug that needs replacing, fuel that has gone bad, incorrect fuel-oil mixture, chain that is too tight, or even an over-revved engine. 1. 453 S Spring St Ste 400 I have never worked on anything this small. Outside of family, He loves grilling and barbequing on his Big Green Egg and Blackstone Griddle, as well as working on projects around the house. (Why You Might Not Want to), Why Wont My Chainsaw Cut? If your chainsaws carburetor becomes clogged with dirt and debris, airflow is restricted and the chainsaws engine suffers. I hope my epic guides will help you to choose,buy and maintain chainsaw. ). Correct some carbs can be damaged by compressed air. Stihl MS180 C-BE boggs down | IH8MUD Forum My name is Ben, and growing up, I practically lived in my parents' backyard. You will need a round file that matches the diameter of your cutters, a flat file, a file guide, and a depth-gauge guide. The Author The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. My name is Chris Ross. Please Help! Chainsaw bogs and dies when revs | Tacoma World The engine should start by now. How do you know what the best gas-to-oil mixture is the best for your chainsaw? You cannot mix oil and gas directly in your chainsaws fuel tank and will need an empty, leak-proof fuel container that is just slightly larger than the volume of oil and gas being mixed. Even if you are a novice chainsaw operator, these spark plugsshould be updated at least once a year. To adjust the tension on the chain, the user simply turns a knob located near the drive sprocket. To remove it you need to depress a small tab and slide the fuel line off. You should also check the spark plug and air filter to make sure that they are not clogged or damaged. L and H on your chainsaw. The dirt in the air filters can often cause the chainsaw to stall. myimages[4]="../../../images/top-banner/ez50-banner.jpg" If you observe any evidence of damage or wear on the air filter, I recommended to replace it. When your Stihl MS 170 chainsaw drops its power under full load, it generally means there is an improper mixture of fuel and air in your carburetor. Check cooling fins on the cylinder and clean if needed. When the chainsaw is unable to hit full power during the full throttle, it's a good sign that your chainsaw is bogging down. Before tossing your chainsaw in the shed, there are a few simple things you should do to ensure the longevity and productivity of your tool. You may have to contend with disassembling your carburetor to correct the mechanical issues bringing about the stalling.Before you to this drastic step first exhaust all possible causes of the problem. We also recommend that if a unit will be left unused for more than 30 days that it be stored "dry". Move the piston up in bore a bit more so we can see the piston below the ring and turn your flash off. Register today and take advantage of membership benefits. It is possible that your Stihl chainsaw is dying when you give it gas if the carburetor, spark plug, chain, or air filter is malfunctioning. What it needs is proper maintenance on a daily, weekly, and monthly basis. I have a MS250 that's only two years old and has barely been used. Tips from a Professional. Bog down is straight-up the most infuriating issue when using a chainsaw. He pledges to come up with new knowledge about chainsaws every once in a while. Remove the Cutting Bar - This is probably one of the easiest steps in taking your chainsaw apart because there are only two bolts that need to be loosened before removing the bar completely. How did you get the carb off? Affiliate. My Chainsaw Bogs Down When I Give It Gas: Why? | Obsessed Lawn It idles fine but after you rev it up it looses power.