Clean and/or replace the spark arrestor screen. I just worked on my grandpa's ms 192t. Check the fuel tank for the correct fuel and oil mixture, filling it up if necessary. You will need a round file that matches the diameter of your cutters, a flat file, a file guide, and a depth-gauge guide. On the first day the crew used it, it was bogging down. For professionals and homeowners, taking care of their chainsaws is very important. I have ran many 2 stroke motor cycles and atv's and feel as though its a carb problem. The engine should start by now. imagelinks[6]="http://www.ezboardwalk.com/" When the L or idle screws are not properly set, the idle RPMs fall too low, causing the engine to stalland eventually stop. Chain-saw requires constant maintenance to be efficient. If you experience this scenario, the orientation of your carburetor has likely changed. 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. A dirty arrestor, on the other hand, is the cause of overheating your experience in a bog down. Your email address will not be published. Using compressed air, blow out the inside of the carburetor and around the gasket. If your chainsaws carburetor becomes clogged with dirt and debris, airflow is restricted and the chainsaws engine suffers. Adjust the main jet by twisting the needle in either direction. This is crucial since an idle chain is extremely harmful. A Detailed Guide, What Size Chainsaw Do I Need in 2023? Why does my Stihl chainsaw dies when I give it gas? You should attend to all of those anyway, before you give it a clean bill of health. This can usually be done by turning the adjustment screw clockwise. If needed, purchase the tools from a hardware store and make sure you have personal protective equipment (goggles, gloves, etc. ) Apr 16, 2009. imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" The first step is to make sure that your chainsaw has enough fuel. This jet is usually responsible for controlling the fuel/air mixture. From falling trees to slicing timber, the chainsaw is a necessity - especially if you are in the lumber industry. To identify air leakage, you will need to perform a pressure test on your chainsaw. Next, you should check the air filter to make sure it is clean and not blocked by dirt or debris. I have cleaned the air filter, replaced the fuel filter to no effect. If your chainsaw doesnt start, adjust the carburetor screws till it doesnt bog down. The carburetor has three adjustment screws marked on it. It should measure at 0.5 mm (0.20 in). The most common causes of a Stihl saw stalling out or stopping include clogged air filter, fouled spark plug, stale gasoline, low compression in the cylinder, insufficient fuel reaching the carburetor, blocked fuel lines, incorrect gap between the spark plug electrodes, a worn or broken drive belt, and inadequate lubrication of the saw chain. 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. Its quite perplexing, but this article will delve deep to unravel why the chainsaw bogs down when you give it gas and how to solve the problem. It's a small screen you can simply pull out after removing the muffler cover. Ok I got it posted. Other indicators that your chainsaw may be suffering from carburetor troubles are overheating or excessively smoky exhaust. The rakers are angled low to high with the high end in front of the cutter. More so, the chainsaw might bog and refuse to run when you give it gas. There is no hiding from dirt. When a screw (e.g., anL screw) is tightened, the fuel flow to the carburetor is restricted, causing the mixture to be lean. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. I think I am having the same problem with mine. I have a MS250 that's only two years old and has barely been used. imagelinks[5]="https://woodmizer.com/Store/Shop/Sawmill-Options/CookieMizer-Clamping-Jig?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=cookiemizer&utm_term=2021-03-09&utm_content=800x160" My STIHL Saw Keeps Stalling | Home Guides | SF Gate imagelinks2[3]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" If the drive belt is worn or broken, replace it with a new one as soon as possible. I took it to the shop for repair, thinking it was the carb but they told me I ran straight gas through it and seized it up. Most Craftsman models have either a standard Walbro or a Zama carburetor. } Remedy this by adjusting the high-speed screw. 5. How to Prevent Your Chainsaw from Bogging Down, How Much Compression Should a Chainsaw Have, How to Replace Fuel Lines on a Poulan Chainsaw, How To Reset Echo 58-Volt Battery Charger, Chainsaw Too Much Compression: Causes & Solution. /* 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. This is partly due to clogged filters resulting from long working hours and less air supply to the carburetor (which will be discussed later). All internal or external factors that reduce the supply of combustible air causes bogging down. Solution: Use the user manual to locate the air filter. Trying that is by using Stihl Ultra bottles and pouring a little less but I always have some left over gas in the can. First, be sure to read your chainsaws manual to determine whether you need specialized tools to disassemble the carburetor. How do you know what the best gas-to-oil mixture is the best for your chainsaw? I think I am having the same problem with mine. These screws are in charge of regulating the fuel flow to the carburetor under varied load circumstances. When the chainsaw is unable to hit full power during the full throttle, it's a good sign that your chainsaw is bogging down. You must log in or register to reply here. Some issues can be solved at home with the right tools, and some need professional help. If the compression is low, you should clean and check for any damage or wear. The inability to reach full power during a full-throttle trigger is also a sign of bogging down. Jun 16, 2006. My name is Ben, and growing up, I practically lived in my parents' backyard. or a blockage in the mesh strainer in the pump chamber. Stihl Chainsaw Bogs Down When I Give It Gas - WHYIENJOY Remove the filter from the tanks bottom and clean the stale gasoline deposits from the filters jets with a metal wire. Garden Tool Expert Stihl MS180 C-BE boggs down | IH8MUD Forum It is responsible for mixing fuel and supplying it to the engine. You will need to use a file to sharpen your blades monthly or when the debris left from your saw cuts is more dust and fewer wood chips. It's 14in bar and chain, with a new chain on the saw. imagelinks[2]="https://woodmizer.com/us/Sawmill-Blades?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=sawmillblades&utm_term=2022-05-01&utm_content=800x160" If this is the case, the only alternative is to replace the spark plug. Make sure to properly lubricate your chain with chain oil and check the compression in the cylinder. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. To unclog the spark arrestor, remove it and clean it with a wire brush. If your chainsaw dies when you give it gas, make sure that the low-speed screw (L) and the idle screw (I) are correctly adjusted. 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. It is difficult to get the proper high-speed adjustment by ear -- most pros use a tachometer. As previously stated, the carburetor comprises three screws (L, H, and I) for managing the engine RPMs at low, high, and idle speeds. myimages[6]="../../../images/top-banner/EZ-junior.jpg" Take great care in removing the smaller parts and remove any debris or build up in the carburetor. With the carb apart, make sure all the passages are clear. Firstly, what instigates the chainsaw Bog down? The issue of chainsaw bog down can be very calamitous, and it oozes a great deal of frustration. You are using an out of date browser. This may be one of the least anticipated causes of the problem, but it occurs in several cases. Chainsaw bogs on full throttle - OutdoorKing Repair Forum //-->,