You will need to position your file depth gauge so that the arrows are pointing toward the nose of the chainsaw bar. Thank You for all replies. Stalling is a symptom of a complication in the chain-saw. Even if you are a novice chainsaw operator, these spark plugsshould be updated at least once a year. Does Your Poulan Chainsaw Stall When Giving It Gas? First, remove the old fuel line from the fuel tank. Over 200+ free JavaScripts here! myimages[4]="../../../images/top-banner/ez50-banner.jpg" A carb cleaner spray is an excellent tool for eliminating sticky deposits from your jets and reviving your carburetor. Cleaning the air filter and spark arrestor with, Read More Chainsaw Bogs Down When CuttingContinue, Did you buy a new Stihl chainsaw, remember you cannot go and start using it like any old chainsaw. Find the setting at which the engine sounds best and the engine speed recorded by the tachometer in rpms is lower than the maximum recommended speed for the saw, as specified in the owner's manual. Remove the carburetor and check it for damage, cleaning it if necessary. Dealing with a carburetor requires strict guidelines to be followed. Chainsaw starts but dies when I give it gas. Conclusion: Why Does My Chainsaw Bogs Down When I Give it Gas in 2023? Check the fuel tank for the correct fuel and oil mixture, filling it up if necessary. Clogging usually occurs due to long working hours. Affiliate. Any factor that might affect supply can cause the chainsaw to bog down. 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. Knowing how to mix fuel properly is the first step to ensuring that your chainsaw will stay up and running for years to come. By, Read More Chainsaw Too Much Compression: Causes & SolutionContinue, Your email address will not be published. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. 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. on Chainsaws. Clean or replace filters located in the fuel tank of your chain saw. Confirm for water and debris in your fuel tank. How Much Power Do Stihl 031 AV Chain Saws Have? skytower, Oct 3, 2010. My STIHL Saw Keeps Stalling | Home Guides | SF Gate Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) +1-213-221-0119, By using this website I agree with the Disclaimer. How do you know what the best gas-to-oil mixture is the best for your chainsaw? What it needs is proper maintenance on a daily, weekly, and monthly basis. The best/easiest way to do this is to poor some motor oil on the outside of the crankshaft and then also fill the engine with motor oil. Make sure they are closed at a distance and neither touching the engine and not too far from it. If t present cleaning your tank isnt an option. ), Woodmizer LT-40-HD http://www.welshtreeservice.com. It is experienced during welding, idling, or full throttle. Finally, replace the air filter on the chainsaw. This feature is commonly found on modern chainsaws, and is designed to make adjusting the chain tension quick and easy. Even without an incident of stalling, it is important to carry out regular repairs. Remove the air filter from its housing using a screwdriver. This article will help you fix your chainsaw by yourself that starts well but dies just after you push the throttle. The engine and its associated delivery system need to be airtight to maintain adequate temperature and pressure. Check the edges of the bar for burs and file off if needed. Why does my Stihl chainsaw bog down when I give it gas? Lastly, its time to play mixologist. Aside from that, there are a number of other causes that can cause a bog which are as follow: The motor of a chainsaw is a combustion system that depends on an adequate ratio of gas, oil, and air. The Author The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. The imbalance of these components is one of the major reasons for bogging down. This is usually behind the air filter, but if you have trouble locating it, consult your user manual. It has a new spark plug, clean air filter, n Welcome, Guest. Clean your chainsaw. Updated: 00/04/25 The ignition system includes the spark plugs, ignition coil, and exhaust muffler. If your chainsaw doesnt start, adjust the carburetor screws till it doesnt bog down. A carburetor is a part of a combustion motor that mixes air and fuel in a specific ratio for combustion. Re: Chainsaw bogs on full throttle . 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. imagelinks[1]="http://www.ezboardwalk.com/" 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. Another plausible explanation for the stalling is attributed to the percentage of ethanol in the fuel.Ethanol readily vaporizes and combines with water in the air to form water.This water stops combustion which is necessary for running the motor.Experts counsel that fuel containing up to 10% ethanol has a tendency to separate varnishes from the gas, resulting in accumulation in fuel lines and tank.The residue counters combustion in the carburetor. Inspect the clutch center, drum, and spring for any excessive wear. I have never worked on anything this saw. Answered by Patrick, Top 10 Best Chainsaw Bars Tested and Compared for 2023, How does a Chainsaw Carburetor Work? After I got home I remover the spark plug and looked in there and everything looks good. It runs fine at all other times, cuts well and has good power. Using a screwdriver, remove the air filter cover on the back of your chainsaw. If the spark plug is cracked or damaged, you will need to replace it. The majority of these steps are listed above in the daily maintenance list, but one is of top priority: Chainsaws require maintenance to stay at the top of their game. Will start, sound fine, and work for a couple of minutes, until it gets warm. Furthermore, the arrestor screen that catches the spark at the exhaust port is prone to carbon deposits. This jet is usually responsible for controlling the fuel/air mixture. As a landscape builder, he helped establish two gardening companies. If these steps do not solve the problem, you should take the chainsaw to a professional for servicing or further diagnosis. That should help improve the performance of the chainsaw and resolve the issue of your saw stalling when you give it gas. 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 your chainsaw is bogging down when you press the throttle, it can be a sure sign of an incorrect gas-to-oil ratio. Los Angeles, CA 90013 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. STIHL Chainsaw Bogged Down at Full Throttle The most common causes of a chainsaw bogging down include: Incorrect fuel mixture Dirty carburetor Clogged air filter Dirty fuel filter or fuel lines A combustion system depends on a proper mix of gas, oil, and air. JavaScript is disabled. They wrote it up as I ran straight gas through it and seized it. Poor chainsaw maintenance is one of the lead causes of bogging. Check cooling fins on the cylinder and clean if needed. A dirty or damaged spark plug can cause it to misfire causing the string trimmer to run rough. Drain the fuel tank and store the gasoline in an appropriate container before bringing it out. If your chainsaws carburetor becomes clogged with dirt and debris, airflow is restricted and the chainsaws engine suffers. In most models, it can easily be located by taking off the top cover. This can also be caused by bad fuel. Carburetors alone can be both the cause and the solution to a chainsaw bog down. If the fuel mix is old or has not been adjusted properly to the manufacturers specifications, refresh it or adjust it. imagelinks[3]="https://woodmizer.com/Store/Shop/Portable-Sawmills/LX25-Portable-Sawmill?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=lx25&utm_term=2023-02-10&utm_content=800x160" The standard compression reading required for most 2-cycle chainsaw is around 100-110 psi to start. An example of data being processed may be a unique identifier stored in a cookie. Be sure to check your models owners manual for the exact location of the fuel filter as it can vary from model to model. Clean the outside area of the carburetor. A chainsaw is a tool, and no tool is perfect. 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. Mix in a premium 2-cycle oil that is ISO-L-EGD and JASO M345 FD certified. Make sure to take out the spark plug before removing the filter. It did sit with gas in it for a while, but there are no visible signs of any damage to the carb as a result. Nowadays, most chainsaws use a 50:1 ratio, but some use a 40:1. Any factor that might affect supply can cause the chainsaw to bog down. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. Manage Settings Next, spray a carburetor cleaner into the throat of the carburetor on the side opposite the air filter and throttle linkage. Make sure to properly lubricate your chain with chain oil and check the compression in the cylinder. Why Does Your Chainsaw Bogs Down When You Give It a Gas I have never worked on anything this small. There are three adjustment screws on the carburetor: low-speed (L), high-speed (H), and idling (I). When your saw blade starts to dull, your blade will start producing powder, rather than chips. Chainsaw will idle but won't rev. What can cause this? - JustAnswer can cause a chainsaw to bog down when cutting. 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. Tuning regulates the flow of fuel through the might be the last resort and for that, always seek professional help. Why Is My Chainsaw Bogging Down? [Easy Fix] But soon loses power and bogs down. Unscrew the carburetor cover and expose the main jet. If there is too much gasoline in relation to the amount of oil used, this is known as a rich mixture and hence caused the chainsaw to run in an irregular manner. Once the faulty seal or gasket is identified, it needs to be replaced, and the engine should be up and running. 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. This handy guide will cover the common problems that cause bog down and how you can keep it from happening in the future. var ry=Math.floor(Math.random()*myimages.length) Question: What's the reason for the chainsaw to die under heavy load? The gasoline filter can be found at the bottom of your fuel tank. If your chain does not rotate, you can skip this step. If binding/catching occurs, or if the motor does not return to an idle state, your chainsaw needs to make a visit to a service provider before being used again. It's all clean no cracks no discoloration nothing. Other indicators that your chainsaw may be suffering from carburetor troubles are overheating or excessively smoky exhaust. The new fuel doesn't really clog the carbs. 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. The solution is easy and you can do it within a few minutes. My Chainsaw Bogs Down When I Give It Gas; Causes and Solutions [2023]. If it needs to be cleaned, take care to not damage it by using compressed air or a soft brush. Once youve made the adjustments, make sure to monitor the performance of your saw over the next few days and readjust if necessary. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,600],'remodelormove_com-mobile-leaderboard-1','ezslot_24',167,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-1-0');The T adjustment on a chainsaw is a tool-free tensioning system that makes it easier for users to adjust the tension of the chain. //specify random images below. #1. Chainsaw Bogging with throttle pressure - Hearth.com Forums Home Its an essential step in properly maintaining your chainsaw to check and adjust the chain tension. 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. I told them that I ran Polaris gold synthetic in it, which I used to use in my drag bike years ago, service manager says stihl says that that is an unacceptable oil. To carry out the low-speed screw adjustment, follow these steps: The chain may begin to rotate because the mixture is lean enough to engage the clutch after the low-speed adjustment. I have a MS250 that's only two years old and has barely been used. First and foremost, you should check that you are using the correct fuel and oil mixture for your chainsaw. Sometimes the L adjustment is insufficient, and you must tweak your fuel delivery components, specifically the carburetor and filters. 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. Air Filter Issues. Proceed with adjusting the carburetor adjustment screws to fix a chainsaw that wont start. Carb. Bog down is mostly experienced on full throttle. The speed would be perfect, and there would be no unusual sound when the screws are properly aligned. If the problem persists, inspect the fuel lines and ignition system. If needed, purchase the tools from a hardware store and make sure you have personal protective equipment (goggles, gloves, etc. ) Continue with Recommended Cookies. 5. Chainsaws can start and then stop for a variety of reasons, so its important to take the time to diagnose the problem before attempting to start it again. Your email address will not be published. 2023 "Chainsaw Guru". If the problem persists, inspect the fuel lines and ignition system. (Why You Might Not Want to), Why Wont My Chainsaw Cut? I would suggest that in the first instance the carburetor settings are checked. imagelinks[6]="http://www.ezboardwalk.com/" If the problems remain, examine the fuel lines and carburetor. Burnt plugs could mean the fuel combustion is too high or high ethanol concentration.To cure this, replace the sooty plug with a new one to prevent misfiring when cutting firewood.Ensure you adjust the carburetor to reduce the amount of gas used. Empty and clean, if needed. Run the saw in idle and make sure the idle speed is consistent, and then rev it up and listen for any unexpected changes in engine noise. Stihl chainsaw engine ( motor ) bogging down things to check first. Still, if you feel that you can do so yourself, you can watch this YouTube tutorial here. The stihl oil from the dealer will have stabilizer already in it, they will usually tune it for you for free (only if you bought it there) I assume you checked/cleaned your air filter. function random_imglink2(){ Move the piston up in bore a bit more so we can see the piston below the ring and turn your flash off. You can clean clogged or dirty carburetors with carburetor-specific cleaning solutions that you can purchase at your local chainsaw dealer or auto parts store. ( 2 cents) the new gas seems to clog small motors Mike. Rotate the saw and file the remaining teeth using the same angle and motions as before.