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Why Does My Chainsaw Bogs Down When I Give it Gas? 5 Causes Make sure to properly lubricate your chain with chain oil and check the compression in the cylinder. If your chainsaw bogs down at full throttle, the air filter and . Weather is 30-50 when I'm cutting and I'm trying to run 40:1, 93 only. 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. It should measure at 0.5 mm (0.20 in). No matter how tight the seal on the tank is, replace the gas every three months and use stabilizer. 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. Oct 29, 2011. 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. 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. This feature is commonly found on modern chainsaws, and is designed to make adjusting the chain tension quick and easy. Its worth noting that loosening a screw improves the fuel flow rate and enriches the mixture while tightening the screw has the reverse effect. 01 - Stihl Chainsaw Spark Arrestor. Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) Run a check on your chainsaws cooling system. Obviously pull the carb and exhaust when you do this. Stihl Chainsaw Bog Down and Fix Pilot View Productions 4.54K subscribers Subscribe 11K views 2 years ago PILOT MOUNTAIN Does your Stihl or other brand chainsaw bog down and refuse. 5. Correct mixing of fuel ingredients. 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. He pledges to come up with new knowledge about chainsaws every once in a while. 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" If it is stuck, try loosening the nut to free it up. 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. +1-213-221-0119, By using this website I agree with the Disclaimer. Make sure that its leveled and does not tilt. This makes the engine flood and as a result, the chainsaw bogs down. If your chainsaw doesnt start, adjust the carburetor screws till it doesnt bog down. 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. How To Adjust A Chainsaw - WHYIENJOY All help is appreciated. 8 Reasons a String Trimmer is Running Rough or Bogging Down 2023 "Chainsaw Guru". If the carburetor is clogged or not adjusted properly, it can cause the saw to run out of fuel. For a better experience, please enable JavaScript in your browser before proceeding. As previously stated, the carburetor comprises three screws (L, H, and I) for managing the engine RPMs at low, high, and idle speeds. Manage Settings Finally, check the choke. Heres a quick rundown of daily, weekly, and monthly maintenance tips: Chains will loosen over time and use. Anobstruction in any of these components may disrupt the fuel flow to the engine, leading to the engine bogging down while idling. Your chainsaws fuel supply system comprises the gasoline tank, fuel filter, fuel lines, and carburetor. Thoroughly inspect your throttle trigger. If your chainsaw starts but does not stay running, the low-speed (L) and idle screw (I) may not be properly set. It's a small screen you can simply pull out after removing the muffler cover. This can be quite annoying, especially when you have loads of work piled up and a mechanic isnt available. on Chainsaws. 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. My Chainsaw Bogs Down When I Give It Gas: Why? | Obsessed Lawn If you don't know about the perfect amount . They wrote it up as I ran straight gas through it and seized it. Consider cleaning your carburetor and air/fuel filters if the problem persists. Wash it in soapy water with a soft-bristle brush. On mybackyardlife.com, I share tips on everything from grilling/smoking meat with my Big Green Egg to relaxing in the pool with my family. So I am just wondering how to go about pulling the carb off the easiest way to check out the jets. var imagelinks2=new Array() 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. Besides causing poor performance in the cut, the fuel that doesn't burn produces smoke that fouls the spark plug and air filter, which compounds performance problems. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" For instance: It is impossible not to lose power when the firewood chainsaw is being used constantly. //specify corresponding links below Additionally, it is a good idea to check the spark plug to make sure it is in good condition. Stihl ST251C Chainsaw Stalls when I depress the throttle. 453 S Spring St Ste 400 Align the screws on the carburetor. Then it loses power when cutting. 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. A rich mixture occurs when you have too much gasoline with the amount of oil in your fuel mixture, resulting in a poorly operating chainsaw. Garden Tool Expert Correcting stalling measures are generally referred to as tune-ups.These procedures help in improving your chainsaw performance. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. One of the most common causes is a dirty air filter, which can block air from entering the chainsaw engine and prevent it from getting the oxygen it needs to operate efficiently. Finally, replace the air filter on the chainsaw. I took it back to the dealer and he said he adjusted something and handed back saying it would work fine. Following the L modification, the mixture composition should be adequate to keep your engine running. var myimages=new Array() Furthermore, its possible that the carburetor is not getting the right amount of fuel, so its important to check the fuel lines and adjust the carburetor accordingly. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. Affiliate. Author Topic: Stihl MS 180C running problems, bogging down, fuel starvation?? Dont forget that a maintained chainsaw is a working chainsaw! Your manual will provide detailed instructions on how to do this. ), Using a specialty tool called a scrench or a combination wrench, loosen the bar nuts holding the clutch cover in place, Tighten the chain tensioning screw using your combination wrench or scrench while raising the tip of the bar and, Continue to tighten the chain until there is no slack on the underside of the bar, but it can still be freely pulled by hand, Tighten the bar nuts, return the clutch cover to its rightful place, and ensure that the bar is secure. Top 11 Best Chainsaw Sharpener Tested for Sharpening 2023, How do Chainsaw Chaps Work? The Author The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. Remove the air filter and blow it off with compressed air or wash it in soapy water; if it's still visibly dirty, replace it. To unclog the spark arrestor, remove it and clean it with a wire brush. A chainsaw is a tool, and no tool is perfect. Furthermore, the arrestor screen that catches the spark at the exhaust port is prone to carbon deposits. Cant get a good picture becouse of the glare of the piston. (Why You Might Not Want to), Why Wont My Chainsaw Cut? 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. Stihl chainsaw engine ( motor ) bogging down things to check first. Other indicators that your chainsaw may be suffering from carburetor troubles are overheating or excessively smoky exhaust. 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. If the problem persists, inspect the fuel lines and ignition system. 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. Be sure that your oiler is adequately lubricating your bar and chain. var imagelinks=new Array() 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. I didn't run straight gas through it and it isn't sized up so I am wanting to dig into the carb myself. There is no hiding from dirt. If the air filter is clean, then the spark plug should be cleaned and gap adjusted to the manufacturers specifications. Ok I think I can share the pics from this site. Stihl Chainsaw Bogs Down When I Give It Gas - WHYIENJOY This is crucial since an idle chain is extremely harmful. It's all clean no cracks no discoloration nothing. An example of data being processed may be a unique identifier stored in a cookie. The effect of air leakage is that it upsets the composition of the air-fuel mixture. 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. The one that is often damaged by compressed air is the one inside the high speed nozzle. It should be the first thing to check and clean. Check the spark plug as well to examine the ignition system. A Stihl chainsaw can bog down for a variety of reasons. Anyone have any suggestions? Stihl BG85 blower | Lawn Care Forum Why does my Stihl chainsaw dies when I give it gas? How did you get the carb off? This means emptying the fuel tank and then restarting and letting the unit run until all the fuel is consumed and the engine stops. Echo cs 400 chainsaw problems - Shawee Power Equipment If the spark plug is cracked or damaged, you will need to replace it. This is usually behind the air filter, but if you have trouble locating it, consult your user manual. I think I am having the same problem with mine. The solution is easy and you can do it within a few minutes. http://www.ebay.com/itm/STIHL-017-MS170-018-MS180-Replacement-CARBURETOR-CARB-/130584786959?pt=US_Chainsaws&hash=item1e6775b80f, Quote from: rstarkie on June 06, 2013, 09:50:21 PM, Quote from: Submariner on December 14, 2018, 01:42:06 PM, Running problems Husqvarna 246 and Shindaiwa 457S probably bad fuel issues, Figured Out My Efco 251 Fuel Starvation Problem (shuting off after 4 or 5 min. Los Angeles, CA 90013 The speed would be perfect, and there would be no unusual sound when the screws are properly aligned. Over time, the spark arrestor can become clogged with soot. I ask if they checked the carb and they said no. Detailed Answer. You can have as many as you wish Why does the chainsaw bog down at full throttle? his personal experience and loves to share their nitty gritty details with his audience. You are using an out of date browser. The engine boggs down under a load and when just reving the saw. Pull the starting chord to check resistance. Drain the fuel tank and store the gasoline in an appropriate container before bringing it out. JavaScript is disabled. If the spark plug looks good, check the fuel mix. Replacement of carburetor is the best option if you have an old chainsaw.This is because the diaphragm gets hard making it hard to crank. Clean your spark plug and measure the gap. In some circumstances, vapor locks created in the fuel tank due to insufficient venting cause engine issues. 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. Turning the knob will either tighten or loosen the chain, depending on the direction the user turns the knob. 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. To rule out any of these as a potential cause, its important to first check the air filter. Imagine you are about to cut down or in the middle of cutting down a tree or wood, and your chainsaw bog down. Jun 16, 2006. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust . Generally, you will find the fuel filter on the fuel line, usually near the carburetor. random_imglink2() myimages2[1]="../../../images/top-banner/behindtheforum.jpg" Test your stop switch to make sure that it completely stops the motor. More so, the chainsaw might bog and refuse to run when you give it gas. Page created in 1.341 seconds with 39 queries. Next, check the spark plug to make sure it is clean and properly connected. Adjusting the H screw will help achieve optimal performance. no never loaned it out. We and our partners use cookies to Store and/or access information on a device. ry=1 my elevation is 640' above sea level. Consult the user manual for the right ratio of gas to oil. When a chainsaw bogs down when accelerating, it typically means the engine is not receiving enough fuel or air. Cleaning it by immersing it in a soap water solution is preferable. Even with the tiniest passage, it can make its way towards anything, including a spark arrestor and spark plug. Check the fuel tank for the correct fuel and oil mixture, filling it up if necessary. The carburetor has three adjustment screws marked on it. The reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" 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. First, be sure to read your chainsaws manual to determine whether you need specialized tools to disassemble the carburetor. Guess its time to pull the carby down and check the diaphragm and mesh. The saw has been well used over the years (1998) and not really well looked after. The engine boggs down under a load and when just reving the saw. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 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. Cleaning your chainsaws air filter can lead to an improvement in performance and really should be done as part of your routine chainsaw maintenance schedule. /* The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. If your chainsaw is bogging down, one of these critical components isnt in its correct balance. This causes your engines RPMs to increase to a set limit before decreasing. 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. Lastly, its time to play mixologist. Any factor that might affect supply can cause the chainsaw to bog down. Firewood, Heating and Wood Burning Equipment, Lady on ebay selling hundreds of chainsaws. Bog down is mostly experienced on full throttle. This article thus covers all causes and solutions to why does my chainsaw bogs down when I give it gas problem below: In a chainsaw both fuel starvation or termination of the connection between carburetor and engine can lead to a bog down. Another possible cause of a Stihl chainsaw bogging down is a broken or worn chain. The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. before starting the process. Does Your Poulan Chainsaw Stall When Giving It Gas? can cause a chainsaw to bog down when cutting. //specify random images below. These deposits often accumulate at the fuel filter or carburetor jets, eventually blocking them and impeding fuel flow. Currently I live in Austin, United States. How Much Power Do Stihl 031 AV Chain Saws Have? Use a 50:1 gas-to-oil mixture in your 2-cycle Stihl chainsaw. on Chainsaws, Started by rapserv When a clog occurs, your engine will not get enough air to operate effectively. It's 14in bar and chain, with a new chain on the saw. Remove the carburetor and check it for damage, cleaning it if necessary. The carburetor might need: A clean-up if it's clogged. A carburetor is a part of a combustion motor that mixes air and fuel in a specific ratio for combustion. keep cutting with precision and efficiency. 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. The new fuel doesn't really clog the carbs. After checking that, soak the crank seals in motor oil (30w works great) and then give it a go. Stihl MS 180C running problems, bogging down, fuel starvation?? 20,427 satisfied customers. . imagelinks[6]="http://www.ezboardwalk.com/" imagelinks[1]="http://www.ezboardwalk.com/" Suppose that your chainsaws fuel mixture is correct, and youre still experiencing a lag in performance. Richard lives out in the wild with his other half, Diana Richard. Additionally, the choke might be stuck in either the open or closed position and preventing the engine from running properly. A carb cleaner spray is an excellent tool for eliminating sticky deposits from your jets and reviving your carburetor. There are a number of carburetor-related problems. Take them out and clean them using a delicate brush. The idling (I) screw regulates the mass flow rate of the air-fuel combination entering the engine at idle. When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber. At this point, the battery will reset,, Read More How To Reset Echo 58-Volt Battery ChargerContinue, Clogging of the air filter/fuel line, untidy carburetor and damaged spark plug, etc. Step Three. If the compression is low, you should clean and check for any damage or wear. The dirt in the air filters can often cause the chainsaw to stall. document.write('
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In case it is not the fuel ratio, it might be dirty or clogged air filters. A dirty or damaged spark plug can cause it to misfire causing the string trimmer to run rough. on Chainsaws, Started by bkkraft Kilikoba Nashoba 858 subscribers 46K views 7 years ago This video is about likely causes of a Stihl chainsaw engine. Be sure to check your models owners manual for the exact location of the fuel filter as it can vary from model to model. Stihl Chainsaw - Chainsaw Starts Then Stalls - Repair Clinic Why Does Your Chainsaw Bogs Down When You Give It a Gas Because of continuous firing, the spark plugs electrodes become damaged or acquire carbon deposits, reducing spark quality. Also cleaned muffler and replaced spark arrestting screen.All with no luck. If these steps do not solve the problem, you should take the chainsaw to a professional for servicing or further diagnosis. The spark plugs spark quality degrades over time, making it impossible to ignite the air-fuel mixture in the combustion chamber. However, when your chainsaw bogs down, it turns your enjoyable day in the backyard into a complete headache. 6. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Gum clogs fuel lines and carburetor.The end result is less supply of fuel for complete combustion to run the saw. */
Bog down can also occur in the case of a dirty air filter, spark arrestor, or carburetor. ), Woodmizer LT-40-HD http://www.welshtreeservice.com. You should use mid-grade unleaded gasoline with a minimum octane rating of 89 and a premium two-cycle oil. To remove it you need to depress a small tab and slide the fuel line off. To do this: Loosen each bolt about half way down using flathead screwdriver or small wrench (depending on size). Required fields are marked *. Start by identifying the carburetor on your saw. Please Help! Chainsaw bogs and dies when revs | Tacoma World Save my name, email, and website in this browser for the next time I comment. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-box-3','ezslot_6',175,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-box-3','ezslot_7',175,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0_1');.box-3-multi-175{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding:0;text-align:center!important}Lastly, if the air filter is dirty or clogged it will restrict the air flow and cause the saw to lose power. 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. #7. Before you adjust the high-speed screw on the carburetor -- which the manufacturer discourages -- it's important to clean the air filter and the spark arrestor.
Why Does My Chainsaw Bogs Down When I Give it Gas? 5 Causes Make sure to properly lubricate your chain with chain oil and check the compression in the cylinder. If your chainsaw bogs down at full throttle, the air filter and . Weather is 30-50 when I'm cutting and I'm trying to run 40:1, 93 only. 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. It should measure at 0.5 mm (0.20 in). No matter how tight the seal on the tank is, replace the gas every three months and use stabilizer. 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. Oct 29, 2011. 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. 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. This feature is commonly found on modern chainsaws, and is designed to make adjusting the chain tension quick and easy. Its worth noting that loosening a screw improves the fuel flow rate and enriches the mixture while tightening the screw has the reverse effect. 01 - Stihl Chainsaw Spark Arrestor. Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) Run a check on your chainsaws cooling system. Obviously pull the carb and exhaust when you do this. Stihl Chainsaw Bog Down and Fix Pilot View Productions 4.54K subscribers Subscribe 11K views 2 years ago PILOT MOUNTAIN Does your Stihl or other brand chainsaw bog down and refuse. 5. Correct mixing of fuel ingredients. 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. He pledges to come up with new knowledge about chainsaws every once in a while. 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" If it is stuck, try loosening the nut to free it up. 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. +1-213-221-0119, By using this website I agree with the Disclaimer. Make sure that its leveled and does not tilt. This makes the engine flood and as a result, the chainsaw bogs down. If your chainsaw doesnt start, adjust the carburetor screws till it doesnt bog down. 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. How To Adjust A Chainsaw - WHYIENJOY All help is appreciated. 8 Reasons a String Trimmer is Running Rough or Bogging Down 2023 "Chainsaw Guru". If the carburetor is clogged or not adjusted properly, it can cause the saw to run out of fuel. For a better experience, please enable JavaScript in your browser before proceeding. As previously stated, the carburetor comprises three screws (L, H, and I) for managing the engine RPMs at low, high, and idle speeds. Manage Settings Finally, check the choke. Heres a quick rundown of daily, weekly, and monthly maintenance tips: Chains will loosen over time and use. Anobstruction in any of these components may disrupt the fuel flow to the engine, leading to the engine bogging down while idling. Your chainsaws fuel supply system comprises the gasoline tank, fuel filter, fuel lines, and carburetor. Thoroughly inspect your throttle trigger. If your chainsaw starts but does not stay running, the low-speed (L) and idle screw (I) may not be properly set. It's a small screen you can simply pull out after removing the muffler cover. This can be quite annoying, especially when you have loads of work piled up and a mechanic isnt available. on Chainsaws. 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. My Chainsaw Bogs Down When I Give It Gas: Why? | Obsessed Lawn If you don't know about the perfect amount . They wrote it up as I ran straight gas through it and seized it. Consider cleaning your carburetor and air/fuel filters if the problem persists. Wash it in soapy water with a soft-bristle brush. On mybackyardlife.com, I share tips on everything from grilling/smoking meat with my Big Green Egg to relaxing in the pool with my family. So I am just wondering how to go about pulling the carb off the easiest way to check out the jets. var imagelinks2=new Array() 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. Besides causing poor performance in the cut, the fuel that doesn't burn produces smoke that fouls the spark plug and air filter, which compounds performance problems. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" For instance: It is impossible not to lose power when the firewood chainsaw is being used constantly. //specify corresponding links below Additionally, it is a good idea to check the spark plug to make sure it is in good condition. Stihl ST251C Chainsaw Stalls when I depress the throttle. 453 S Spring St Ste 400 Align the screws on the carburetor. Then it loses power when cutting. 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. A rich mixture occurs when you have too much gasoline with the amount of oil in your fuel mixture, resulting in a poorly operating chainsaw. Garden Tool Expert Correcting stalling measures are generally referred to as tune-ups.These procedures help in improving your chainsaw performance. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. One of the most common causes is a dirty air filter, which can block air from entering the chainsaw engine and prevent it from getting the oxygen it needs to operate efficiently. Finally, replace the air filter on the chainsaw. I took it back to the dealer and he said he adjusted something and handed back saying it would work fine. Following the L modification, the mixture composition should be adequate to keep your engine running. var myimages=new Array() Furthermore, its possible that the carburetor is not getting the right amount of fuel, so its important to check the fuel lines and adjust the carburetor accordingly. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. Affiliate. Author Topic: Stihl MS 180C running problems, bogging down, fuel starvation?? Dont forget that a maintained chainsaw is a working chainsaw! Your manual will provide detailed instructions on how to do this. ), Using a specialty tool called a scrench or a combination wrench, loosen the bar nuts holding the clutch cover in place, Tighten the chain tensioning screw using your combination wrench or scrench while raising the tip of the bar and, Continue to tighten the chain until there is no slack on the underside of the bar, but it can still be freely pulled by hand, Tighten the bar nuts, return the clutch cover to its rightful place, and ensure that the bar is secure. Top 11 Best Chainsaw Sharpener Tested for Sharpening 2023, How do Chainsaw Chaps Work? The Author The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. Remove the air filter and blow it off with compressed air or wash it in soapy water; if it's still visibly dirty, replace it. To unclog the spark arrestor, remove it and clean it with a wire brush. A chainsaw is a tool, and no tool is perfect. Furthermore, the arrestor screen that catches the spark at the exhaust port is prone to carbon deposits. Cant get a good picture becouse of the glare of the piston. (Why You Might Not Want to), Why Wont My Chainsaw Cut? 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. Stihl chainsaw engine ( motor ) bogging down things to check first. Other indicators that your chainsaw may be suffering from carburetor troubles are overheating or excessively smoky exhaust. 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. If the problem persists, inspect the fuel lines and ignition system. 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. Be sure that your oiler is adequately lubricating your bar and chain. var imagelinks=new Array() 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. I didn't run straight gas through it and it isn't sized up so I am wanting to dig into the carb myself. There is no hiding from dirt. If the air filter is clean, then the spark plug should be cleaned and gap adjusted to the manufacturers specifications. Ok I think I can share the pics from this site. Stihl Chainsaw Bogs Down When I Give It Gas - WHYIENJOY This is crucial since an idle chain is extremely harmful. It's all clean no cracks no discoloration nothing. An example of data being processed may be a unique identifier stored in a cookie. The effect of air leakage is that it upsets the composition of the air-fuel mixture. 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. The one that is often damaged by compressed air is the one inside the high speed nozzle. It should be the first thing to check and clean. Check the spark plug as well to examine the ignition system. A Stihl chainsaw can bog down for a variety of reasons. Anyone have any suggestions? Stihl BG85 blower | Lawn Care Forum Why does my Stihl chainsaw dies when I give it gas? How did you get the carb off? This means emptying the fuel tank and then restarting and letting the unit run until all the fuel is consumed and the engine stops. Echo cs 400 chainsaw problems - Shawee Power Equipment If the spark plug is cracked or damaged, you will need to replace it. This is usually behind the air filter, but if you have trouble locating it, consult your user manual. I think I am having the same problem with mine. The solution is easy and you can do it within a few minutes. http://www.ebay.com/itm/STIHL-017-MS170-018-MS180-Replacement-CARBURETOR-CARB-/130584786959?pt=US_Chainsaws&hash=item1e6775b80f, Quote from: rstarkie on June 06, 2013, 09:50:21 PM, Quote from: Submariner on December 14, 2018, 01:42:06 PM, Running problems Husqvarna 246 and Shindaiwa 457S probably bad fuel issues, Figured Out My Efco 251 Fuel Starvation Problem (shuting off after 4 or 5 min. Los Angeles, CA 90013 The speed would be perfect, and there would be no unusual sound when the screws are properly aligned. Over time, the spark arrestor can become clogged with soot. I ask if they checked the carb and they said no. Detailed Answer. You can have as many as you wish Why does the chainsaw bog down at full throttle? his personal experience and loves to share their nitty gritty details with his audience. You are using an out of date browser. The engine boggs down under a load and when just reving the saw. Pull the starting chord to check resistance. Drain the fuel tank and store the gasoline in an appropriate container before bringing it out. JavaScript is disabled. If the spark plug looks good, check the fuel mix. Replacement of carburetor is the best option if you have an old chainsaw.This is because the diaphragm gets hard making it hard to crank. Clean your spark plug and measure the gap. In some circumstances, vapor locks created in the fuel tank due to insufficient venting cause engine issues. 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. Turning the knob will either tighten or loosen the chain, depending on the direction the user turns the knob. 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. To rule out any of these as a potential cause, its important to first check the air filter. Imagine you are about to cut down or in the middle of cutting down a tree or wood, and your chainsaw bog down. Jun 16, 2006. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust . Generally, you will find the fuel filter on the fuel line, usually near the carburetor. random_imglink2() myimages2[1]="../../../images/top-banner/behindtheforum.jpg" Test your stop switch to make sure that it completely stops the motor. More so, the chainsaw might bog and refuse to run when you give it gas. Page created in 1.341 seconds with 39 queries. Next, check the spark plug to make sure it is clean and properly connected. Adjusting the H screw will help achieve optimal performance. no never loaned it out. We and our partners use cookies to Store and/or access information on a device. ry=1 my elevation is 640' above sea level. Consult the user manual for the right ratio of gas to oil. When a chainsaw bogs down when accelerating, it typically means the engine is not receiving enough fuel or air. Cleaning it by immersing it in a soap water solution is preferable. Even with the tiniest passage, it can make its way towards anything, including a spark arrestor and spark plug. Check the fuel tank for the correct fuel and oil mixture, filling it up if necessary. The carburetor has three adjustment screws marked on it. The reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" 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. First, be sure to read your chainsaws manual to determine whether you need specialized tools to disassemble the carburetor. Guess its time to pull the carby down and check the diaphragm and mesh. The saw has been well used over the years (1998) and not really well looked after. The engine boggs down under a load and when just reving the saw. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 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. Cleaning your chainsaws air filter can lead to an improvement in performance and really should be done as part of your routine chainsaw maintenance schedule. /* The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. If your chainsaw is bogging down, one of these critical components isnt in its correct balance. This causes your engines RPMs to increase to a set limit before decreasing. 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. Lastly, its time to play mixologist. Any factor that might affect supply can cause the chainsaw to bog down. Firewood, Heating and Wood Burning Equipment, Lady on ebay selling hundreds of chainsaws. Bog down is mostly experienced on full throttle. This article thus covers all causes and solutions to why does my chainsaw bogs down when I give it gas problem below: In a chainsaw both fuel starvation or termination of the connection between carburetor and engine can lead to a bog down. Another possible cause of a Stihl chainsaw bogging down is a broken or worn chain. The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. before starting the process. Does Your Poulan Chainsaw Stall When Giving It Gas? can cause a chainsaw to bog down when cutting. //specify random images below. These deposits often accumulate at the fuel filter or carburetor jets, eventually blocking them and impeding fuel flow. Currently I live in Austin, United States. How Much Power Do Stihl 031 AV Chain Saws Have? Use a 50:1 gas-to-oil mixture in your 2-cycle Stihl chainsaw. on Chainsaws, Started by rapserv When a clog occurs, your engine will not get enough air to operate effectively. It's 14in bar and chain, with a new chain on the saw. Remove the carburetor and check it for damage, cleaning it if necessary. The carburetor might need: A clean-up if it's clogged. A carburetor is a part of a combustion motor that mixes air and fuel in a specific ratio for combustion. keep cutting with precision and efficiency. 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. The new fuel doesn't really clog the carbs. After checking that, soak the crank seals in motor oil (30w works great) and then give it a go. Stihl MS 180C running problems, bogging down, fuel starvation?? 20,427 satisfied customers. . imagelinks[6]="http://www.ezboardwalk.com/" imagelinks[1]="http://www.ezboardwalk.com/" Suppose that your chainsaws fuel mixture is correct, and youre still experiencing a lag in performance. Richard lives out in the wild with his other half, Diana Richard. Additionally, the choke might be stuck in either the open or closed position and preventing the engine from running properly. A carb cleaner spray is an excellent tool for eliminating sticky deposits from your jets and reviving your carburetor. There are a number of carburetor-related problems. Take them out and clean them using a delicate brush. The idling (I) screw regulates the mass flow rate of the air-fuel combination entering the engine at idle. When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber. At this point, the battery will reset,, Read More How To Reset Echo 58-Volt Battery ChargerContinue, Clogging of the air filter/fuel line, untidy carburetor and damaged spark plug, etc. Step Three. If the compression is low, you should clean and check for any damage or wear. The dirt in the air filters can often cause the chainsaw to stall. document.write('