As mentioned before, most chainsaws will run on one of three gas and two-cycle engine oil mixtures. An example of data being processed may be a unique identifier stored in a cookie. How to Hang a Chainsaw to keep it Safe and Protected in 2023? The effect of air leakage is that it upsets the composition of the air-fuel mixture. The idling (I) screw regulates the mass flow rate of the air-fuel combination entering the engine at idle. You can also replace the spark arrestor. Clean and check the function of your chain brake. Dealing with a carburetor requires strict guidelines to be followed. The first step is to make sure that your chainsaw has enough fuel. As a result, the engine runs at too high or too low RPMs. For the spark plug, use a delicate brush, a wire, or a plug spray-on to clean off the thick carbon. my elevation is 640' above sea level. Chainsaw Starts but Dies when I Give it Gas. Tips from a Pro 30:1 is recommended mostly for older models. The majority of chainsaws operate on one of the three following gas-to-oil mixtures: If you have already mistakenly filled your chainsaw with the wrong fuel mixture, you will need to drain the incorrect fuel and replace it with the right mix. If user's chainsaw is bogging down than this is often a sign of improper gas-to-oil ratio. Solution: Use the user manual to locate the air filter. myimages[4]="../../../images/top-banner/ez50-banner.jpg" The L screw controls how much fuel enters the carburetor at low speed, whereas the H screw controls how much gasoline flows into the carb at high speed. myimages[6]="../../../images/top-banner/EZ-junior.jpg" It will start up with some work, but it idles for a couple seconds then dies most of the time, and when it doesn't die on its own, it dies when I try to give it any gas. If its clogged, replace it with a clean one. Trying that is by using Stihl Ultra bottles and pouring a little less but I always have some left over gas in the can. removed it and saw functions perfectly. (Even After Sharpening). Page created in 1.341 seconds with 39 queries. 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's the carburetor's job to regulate the amount of fuel in the cylinder, and it has been preset at the factory to accomplish that task. If the spark arrestor screen has become damaged, you should replace it. The above answer may be brief, but I will explain it in more detail, including how to fix a chainsaw that wont start. myimages2[1]="../../../images/top-banner/behindtheforum.jpg" A new chainsaw has some protocols to follow. Its starts fine, but if you give it gas it will shut off. Go ahead and buy a new fuel filter. If your Stihl chain saw purrs like a cheetah when it's idling but stalls when you actually try to do some work with it, it could indicate the carburetor isn't adjusted properly. keep cutting with precision and efficiency. As a result, the fuel drawn by the carburetor reduces, causing the engine to stop running. If the problems remain, examine the fuel lines and carburetor. If the fuel mix is old or has not been adjusted properly to the manufacturers specifications, refresh it or adjust it. The H side means the high side and its adjustment.It is used to regulate the quantity of fuel that flows through the carburetor during fast paced RPMS.The L side of the chainsaw means the low side and it is used in adjusting the flow of fuel in the carburetor when there is a low RPM. } 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. No Power at Full Throttle on My Stihl MS 170 | eHow function random_imglink(){ 2023 "Chainsaw Guru". The spark arrestor is behind the muffler. Carb. If the carburetor is clogged or not adjusted properly, it can cause the saw to run out of fuel. The effective supply of Air is key to a healthy chainsaw engine.You should ensure that there is enough air supply to the engine to avoid issues in the combustion chamber.Yourengine will clogonce the incoming air supply is blocked or less in supply.Once you work for a very long time without allowing your Chainsaw to rest, get ready because the filters will clog.These can be accompanied by smoking as a result of rich fuel and oil mixture.The solution to this problem is using compressed air to clean the carburetor jets and passages. The carburetor might need: A clean-up if it's clogged. Its worth noting that loosening a screw improves the fuel flow rate and enriches the mixture while tightening the screw has the reverse effect. Clean your spark plug and measure the gap. var ry=Math.floor(Math.random()*myimages.length) This feature is commonly found on modern chainsaws, and is designed to make adjusting the chain tension quick and easy. Why does the ECHO chainsaw bog down when cutting? Heres a quick rundown of how to do just that: Keeping your chainsaw chain sharpened will enable you to keep cutting with precision and efficiency. STIHL Chainsaw Bogged Down at Full Throttle This blog is written by a group of Garden Tool enthusiasts. Make sure to take out the spark plug before removing the filter. Chainsaw Stalls When Turned Sideways (Easy Solution) A dirty carburetor is likely to cause Chainsaw Bog.In this case, the speed of the chainsaw will dwindle a great deal.Dirt in the spark arrestor or air filter can also cause the chainsaw to bog. Look over all cables, connections, nuts, and screws to ensure that they are not damaged and need replacement. You may have to look beneath the air filter or in the Users Manual for your saws model number. Chainsaw Bogs When on its Side?!?!? - Hearth.com Forums Home Anyone have any suggestions? Adjust the idle speed. All help is appreciated. Oct 29, 2011. Check the fuel hose, famous for cracking. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust . Why Is My Chainsaw Bogging Down? (3 Common Causes) If it still doesnt look clean, it might be time to replace it. There are many factors that cause a bog down, but mostly it is the carburetor orientation or blockage. There are three adjustment screws on the carburetor: low-speed (L), high-speed (H), and idling (I). his personal experience and loves to share their nitty gritty details with his audience. First, remove the old fuel line from the fuel tank. If these steps do not solve the problem, you should take the chainsaw to a professional for servicing or further diagnosis. //-->,