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. 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. Kilikoba Nashoba 858 subscribers 46K views 7 years ago This video is about likely causes of a Stihl chainsaw engine. Using a screwdriver, remove the air filter cover on the back of your chainsaw. //specify corresponding links below
You will need to position your file depth gauge so that the arrows are pointing toward the nose of the chainsaw bar. Be sure that your oiler is adequately lubricating your bar and chain. Go ahead and buy a new fuel filter. They wrote it up as I ran straight gas through it and seized it. Why does the Husqvarna chainsaw bog down at full throttle? The one that is often damaged by compressed air is the one inside the high speed nozzle. 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. Author Topic: Stihl MS 180C running problems, bogging down, fuel starvation?? If your chainsaw wont stay running, there are several steps you can take to try and fix it before seeking professional help. document.write('')
Adjusting the idle screw, for instance, is a corrective measure for a chainsaw stalling when idle. This is done by turning the air screw in either direction, depending on the engines response. The remedy is to close the screw, but closing it too far is dangerous for the engine. 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.
Fix your Lawnmower with our Lawnmower Troubleshooting tool. Adjust the air screw until the idle speed is consistent. Adjust the high-speed screw to remedy this issue. skytower, Oct 3, 2010. The chainsaw will bog down or stop running. 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. Add your pre-measured oil to the container, Add your pre-measured gasoline AFTER (not before) your oil, Seal your fuel container and swirl, not shake, to thoroughly combine the oil and gasoline, Once properly mixed, your gas and oil mixture will be evenly colored with no variegated streaks, Check your owners manual to locate your chainsaws air filter, Your chainsaws air filter should be visible at this point and can be easily removed from its housing with a screwdriver, After removing the air filter, wash it in soapy water and scrub with a soft-bristle brush until clean, Allow your air filter to dry thoroughly before replacing it in your chainsaw, Make sure that your chainsaw is off and cool (Heat isnt your friend here! I have never worked on anything this saw. Its worth noting that loosening a screw improves the fuel flow rate and enriches the mixture while tightening the screw has the reverse effect. Test your stop switch to make sure that it completely stops the motor. Furthermore, the arrestor screen that catches the spark at the exhaust port is prone to carbon deposits. 1. All internal or external factors that reduce the supply of combustible air causes bogging down. Once the faulty seal or gasket is identified, it needs to be replaced, and the engine should be up and running. myimages[4]="../../../images/top-banner/ez50-banner.jpg"
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. To adjust the tension on the chain, the user simply turns a knob located near the drive sprocket. #1. Obviously pull the carb and exhaust when you do this. 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. The location of the fuel filter on a Poulan chainsaw varies depending on the model. A dirty or damaged spark plug can cause it to misfire causing the string trimmer to run rough. 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. On the High speed setting ensure that you do not have it running to lean (MAX RPM) I usually suggest max RPM (once warmed up) then turn it out until it diesels and then 1/8 turn in (leaner) . 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. If your chainsaw is bogging down, one of these critical components isnt in its correct balance. To remove it you need to depress a small tab and slide the fuel line off. It is recommended to replace the fuel filter every year to ensure optimal performance and avoid any possible issues. To ensure any residue is removed, spray the inside of the carburetor with carburetor cleaner and scrub with a stiff brush. The spark arrestor is a small screen that prevents the engine from emitting sparks. Correct some carbs can be damaged by compressed air. If the kit comes with welch plugs I take those out too. If the gas is supplied to the chainsaw then the filters can clog easily. When a chainsaw bogs down when accelerating, it typically means the engine is not receiving enough fuel or air. Why does the chainsaw bog down at full throttle? To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Updated: 00/04/25
+1-213-221-0119, By using this website I agree with the Disclaimer. on Chainsaws, Started by bkkraft The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. This dirt and debris can build up and create a clog. Inspect the fuel line condition. If the chain is loose or dull it may result in the saw not having enough power to keep running. You may have to look beneath the air filter or in the Users Manual for your saws model number. If the fuel you are using is too old or is diluted, your chainsaw will not work correctly. if (ry==0)
Its starts fine, but if you give it gas it will shut off. By a silver star and you can post unlimited pictures. If the fuel mix is old or has not been adjusted properly to the manufacturers specifications, refresh it or adjust it. 01 - Stihl Chainsaw Spark Arrestor. 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. If your Stihl chainsaw starts up with a reassuring puttering sound, but dies when you pull the throttle trigger, there likely is an issue with the fuel, but the carburetor could need. Theres a myriad of issues that can lead to a bogged-down chainsaw, and most of them have something to do with your chainsaws combustion engines ability to access fuel or air amply. Suppose that your chainsaws fuel mixture is correct, and youre still experiencing a lag in performance. function random_imglink(){
Then, remove the air filter and fuel filter. After this, check the air filter and carburetor for dirt and debris. Also, check the lubrication hole for debris and clean your bar groove. To keep your chainsaw running smoothly, you should service it regularly and keep up scheduled maintenance visits with a reputable, authorized chainsaw service center. Additionally, if the air filter is dirty or blocked, that can also lead to a bogging issue. on Chainsaws, Started by rapserv ). Frustrating, right? Where are these located and on what carbs? 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. on Chainsaws. 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. Spark arrestor is usually placed behind muffler, so locating it is not that hard. I will try to figure out how to get the carb off tomorrow morning. Follow these simple steps to become a master fuel mixologist: You can now correctly mix the gasoline and oil needed for your chainsaw, so lets move on to other issues that can arise and cause a bogged-down chainsaw. When the mixture in the carburetor is too lean, the engine races and overheats and the piston can seize. Use low pressure compressed air, and a stiff paint brush bristle to check them all. Loosening the screw, on the other hand, enriches the mixture with gasoline and lowers the RPMs to a set limit. It should be the first thing to check and clean. Ben has a bachelors degree in construction engineering. Run a check on your chainsaws cooling system. 20,427 satisfied customers. 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. Besides the screw setting, check and ensure that the spark plug is in working condition and that the carburetor and fuel jets are properly serviced. Also, use a clean cloth and some carburetor cleaner to wipe down the inside of the carburetor. 2. 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. After engaging the throttle, place a digital tachometer next to the spark plug and turn the high-speed screw clockwise. As a landscape builder, he helped establish two gardening companies. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. 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. imagelinks[6]="http://www.ezboardwalk.com/"
Remove the carburetor and check it for damage, cleaning it if necessary. Locate all the screws on the carburetor and check if they are all aligned. Fill the tank with the prescribed gas-to-oil ratio. Secondly, its about time we take a look at why your chainsaw suddenly stops working.The carburetor is like the vein in engines.Once it is clogged, the free flow of air and fuel will be blocked and the engine will be starved of fuel.To quell this issue, wash away the diets using the carburetor cleaner.In some scenarios, washing away or cleaning the carburetor may not be effective, hence, you should consider buying a new carburetor or repairing it.A clogged fuel tank can also cause the chainsaw to stop working.In such cases, endeavor to drain the old file from the chainsaw SNF ensure that the fuel tank is devoid of fuel. One of these is not being fed to the chainsaw in the proper ratio. Try to make the right call based on the cost and gravity of the issue. Your chainsaw bogging down is a common issue that youll face when wielding one, and it can quite quickly throw a knot in your woodworking projects. When I remove the cover (13), I find the upper surface of the filter (2) heavily contaminated (this is an aftermarket eBay filter, perhaps it is not sealing properly? Why does my Stihl chainsaw bog down when I give it gas? Started by ellinghamso A dirty arrestor, on the other hand, is the cause of overheating your experience in a bog down. All STIHL gasoline-powered engines can be used with up to a 10% (E10) blend of ethanol in the gasoline/engine oil mix.
In most models, it can easily be located by taking off the top cover. var imagelinks=new Array()
This article will help you fix your chainsaw by yourself that starts well but dies just after you push the throttle.
his personal experience and loves to share their nitty gritty details with his audience. Pull the starting chord to check resistance. So, lesser air is supplied to the carburetor and the saw bogs down. In most cases, clogged air and fuel filters and blocked carburetor jets are causing the problem. The spark arrestor is a small screen that prevents the engine from emitting sparks. This causes your engines RPMs to increase to a set limit before decreasing. Check the brake band for wear and tear. First and foremost, you should check that you are using the correct fuel and oil mixture for your chainsaw. Finally, if all previous procedures fail to provide results, the ignition may be at issue. First, remove the old fuel line from the fuel tank. If user's chainsaw is bogging down than this is often a sign of improper gas-to-oil ratio. 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. Something may be amiss in the low or high speed circuit of the carb. Knowing how to mix fuel properly is the first step to ensuring that your chainsaw will stay up and running for years to come. Turning the knob will either tighten or loosen the chain, depending on the direction the user turns the knob. Adjust the idle speed. Register today and take advantage of membership benefits. As a result, the engine runs at too high or too low RPMs. In order to properly access the carburetor and get at its internal components, youll then need to disassemble the carburetor. If your chainsaws carburetor becomes clogged with dirt and debris, airflow is restricted and the chainsaws engine suffers. This makes the engine flood and as a result, the chainsaw bogs down. They all come with their fair share of technical issues. Clean out the air filter and carburetor. So anyhow, I've ran about 25 hours and took it for a tune up. The ignition system is essentially a spark plug. If youre finding your chainsaw to be bogging down, check the issues mentioned above to see if you can save yourself a little time and money. Top 11 Best Chainsaw Sharpener Tested for Sharpening 2023, How do Chainsaw Chaps Work? A clean and fixed carburetor is key to achieving full throttle performance. Tips from a Professional. imagelinks[4]="http://www.ezboardwalk.com/"
imagelinks2[3]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1"
The rakers are angled low to high with the high end in front of the cutter. Firewood, Heating and Wood Burning Equipment, Lady on ebay selling hundreds of chainsaws. Air Filter Issues. Curtis B. There are three adjustment screws on the carburetor: low-speed (L), high-speed (H), and idling (I). To identify air leakage, you will need to perform a pressure test on your chainsaw. 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. If your chainsaw doesnt start, adjust the carburetor screws till it doesnt bog down. can cause a chainsaw to bog down when cutting. }
random_imglink2()
ry=1
var myimages=new Array()
Allow the cleaner to sit for five to 10 minutes and then wipe away with a cloth. In case you have lost it, the majority of chainsaws follow the following gas: oil ratio. It's looking a little tricky to me. JavaScript is disabled. I just worked on my grandpa's ms 192t. There is no hiding from dirt. Maintenance is the key to avoiding all that. These deposits affect the engines operation and may cause your chainsaw not to start. You will also reduce kickbacks and increase the overall safety of operating your chainsaw. After a little looking, the two nuts that hold the back of the carb and filter housing were loose, I tightened them up and it ran like a top. Empty and clean, if needed.
The use of stale ethanol-blended fuel, which creates sticky white deposits over time, is the most typical source of such clogs. Clean your chainsaw. 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. If the spark plug is cracked or damaged, you will need to replace it. Still, if you feel that you can do so yourself, you can watch this YouTube tutorial here. Check cooling fins on the cylinder and clean if needed. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 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. myimages2[2]="../../../images/top-banner/behindtheforum.jpg"
A well-maintained chain-saw seldom stalls. Make sure that its leveled and does not tilt. Dirt in the air filters This is one of the biggest culprits when dealing with chainsaw bogging down. Dirty filters are the main problem. Being in the cutting services for more than 10 years, I know a thing or two about chainsaw. 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. I guage the rakers and grind them when necessary. Cleaning it by immersing it in a soap water solution is preferable. Taking all of these potential issues into account and fixing them as needed should help to correct the issue and get your chainsaw running properly. Other indicators that your chainsaw may be suffering from carburetor troubles are overheating or excessively smoky exhaust. So I am just wondering how to go about pulling the carb off the easiest way to check out the jets. Required fields are marked *. Start by sharpening the cutting teeth of the blade first. Take them out and clean them using a delicate brush. If your Stihl saw keeps stopping, there could be several potential causes. It is difficult to get the proper high-speed adjustment by ear -- most pros use a tachometer. myimages[5]="../../../images/top-banner/cookie-mizer.jpg"
//specify random images below. The Basics Explained, Can a Concrete Chainsaw Cut Through Rebar? JavaScript is disabled. The speed would be perfect, and there would be no unusual sound when the screws are properly aligned. 0 Members and 1 Guest are viewing this topic. Read more about this in, "This is the Type of Gas to Use in a String Trimmer". Replace it if the quality has deteriorated. Currently I live in Austin, United States. Check, clean, and replace (if necessary) the air filter. For example, if the carburetor is clogged, not tuned correctly, or is contaminated, it may not be metering the right amount of fuel. The spark plugs spark quality degrades over time, making it impossible to ignite the air-fuel mixture in the combustion chamber. To unclog the spark arrestor, remove it and clean it with a wire brush. Its all about adjusting the carburetor, and a slight change in the orientation can lead to Chainsaws Bog. This jet is usually responsible for controlling the fuel/air mixture. 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. The new fuel doesn't really clog the carbs. It bogs down it seems and stalls out when I open the throttle. Cleaning a carburetor on a chainsaw without removing it can be done with a few simple steps. If your chainsaw doesn't start, adjust the carburetor screws till it doesn't bog down. I hope my epic guides will help you to choose,buy and maintain chainsaw. Most engine problems can be solved with the previously mentioned adjusting procedure. Drain the fuel tank and store the gasoline in an appropriate container before bringing it out. or a blockage in the mesh strainer in the pump chamber. This means emptying the fuel tank and then restarting and letting the unit run until all the fuel is consumed and the engine stops. Clogging usually occurs due to long working hours. In case it is not the fuel ratio, it might be dirty or clogged air filters. By properly troubleshooting and addressing any potential causes, you can prevent stalling or restarting problems with your Stihl saw. document.write('')
Finally, replace the air filter on the chainsaw. The ignition system includes the spark plugs, ignition coil, and exhaust muffler. Your email address will not be published. The Low Speed is the setting I do 1st in or out a 1/4 turn to ensure no hesitation . If the compression is low, you should clean and check for any damage or wear. Technician. Re: Stihl MS 180C running problems, bogging down, fuel starvation?? With the carb apart, make sure all the passages are clear. Cant get a good picture becouse of the glare of the piston. Stihl carburetors have three adjustment screws.
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. 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. It has a new spark plug, clean air filter, n Welcome, Guest. If the spark arrestor is clogged, the chainsaw may run stall or run rough. /*
After cleaning, attachit backto the gasoline tank. These deposits often accumulate at the fuel filter or carburetor jets, eventually blocking them and impeding fuel flow. 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. Carburetors alone can be both the cause and the solution to a chainsaw bog down. The effect of air leakage is that it upsets the composition of the air-fuel mixture. Chain-saw requires constant maintenance to be efficient. Step Three. Chainsaw starts but dies when I give it gas. Next, you should check the air filter to make sure it is clean and not blocked by dirt or debris. 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. If the spark plug is physically damaged, replace it. Thanks for the replies; I'll try out these suggestions. If your chainsaw is bogging down when you press the throttle, it can be a sure sign of an incorrect gas-to-oil ratio. The above answer may be brief, but I will explain it in more detail, including how to fix a chainsaw that wont start. Take the appropriate screwdriver and align them. You are using an out of date browser. Most Craftsman models have either a standard Walbro or a Zama carburetor. To unclog the spark arrestor, remove it and clean it with a wire brush. I think I am having the same problem with mine. Hello, and thanks for visiting my site! Solution: Here's the solution. If you don't know about the perfect amount . myimages[2]="../../../images/top-banner/BladesFreeShip.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. 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. myimages[3]="../../../images/top-banner/LX25-FreeShipping.jpg"
Once complete, start the engine and check to make sure the chainsaw is now running correctly.
No particular problem restarting. Chain filing isnt a difficult task and is crucial in maintaining your chainsaw.