If it still doesnt look clean, it might be time to replace it. Align the screws on the carburetor. When the L or idle screws are not properly set, the idle RPMs fall too low, causing the engine to stalland eventually stop. 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. Check the fuel hose, famous for cracking. A thick fuel mixture can cause excessive carbon around the spark plug, which can even kill a chainsaw. Fill the tank with the prescribed gas-to-oil ratio. STIHL Chainsaw Bogged Down at Full Throttle Firewood, Heating and Wood Burning Equipment, Lady on ebay selling hundreds of chainsaws. First, be sure to read your chainsaws manual to determine whether you need specialized tools to disassemble the carburetor. Knowing how to mix fuel properly is the first step to ensuring that your chainsaw will stay up and running for years to come. Remove the air filter from its housing using a screwdriver. I read on here the other day some carbs can be damaged with compressed air.That would explain why sometimes they cant be fixed maybe the air is ruining something like a check valve I will wait for the masters to chime in on that. How Do You Repair a Chainsaw That Wont Start? The spark plugs spark quality degrades over time, making it impossible to ignite the air-fuel mixture in the combustion chamber. Finally, replace the fuel filter and air filter and reconnect the spark plug. L and H on your chainsaw. 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. If your chainsaw wont stay running, there are several steps you can take to try and fix it before seeking professional help. There are a number of issues to check in a sequence as why a mini chainsaw would bog at full throttle. SO i use gas additive in all my 2 stroke gas mixture, either sta-bil, lucas, hell even sea foam says it will keep 2 stroke gas good for a long time. If you experience this scenario, the orientation of your carburetor has likely changed. Poor chainsaw maintenance is one of the lead causes of bogging. Cleaning a carburetor on a chainsaw without removing it can be done with a few simple steps. My name is Ben, and growing up, I practically lived in my parents' backyard. If the chainsaw continues to stall, the issue could be with the low-speed and idle screws, which should be adjusted. Los Angeles, CA 90013 If the spark plug is physically damaged, replace it. 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. I have ran many 2 stroke motor cycles and atv's and feel as though its a carb problem. Use low pressure compressed air, and a stiff paint brush bristle to check them all. 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. 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. This will keep your chain in place for the next steps. You will need a round file that matches the diameter of your cutters, a flat file, a file guide, and a depth-gauge guide. Chainsaw Bogs When on its Side?!?!? - Hearth.com Forums Home The spark arrestor is behind the muffler. Consult the user manual for the right ratio of gas to oil. myimages[4]="../../../images/top-banner/ez50-banner.jpg" The (I) screw is a butterfly valve that controlsidle RPMs by raising or lowering the flow of the air-fuel mixture. This helps identify the compression. You can have as many as you wish Madsens Shop & Supply, Inc.: Carburetor Adjustment on Pro Saws, TEK Indoor Environmental: Stihl Chainsaw Carburetor Adjustment, Beautiful houseplants that also repel mosquitoes, cockroaches and other pests, The Tools for the Adjustment of the Carburetor on Craftsman Chainsaws. The Low Speed is the setting I do 1st in or out a 1/4 turn to ensure no hesitation . Trying that is by using Stihl Ultra bottles and pouring a little less but I always have some left over gas in the can. (3 Common Causes). Lastly, you should clean the air filter and replace it if necessary. 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. Additionally, inspect the air vents on the engine to make sure they are not blocked by leaves or debris.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-banner-1','ezslot_4',157,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-banner-1','ezslot_5',157,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-banner-1-0_1');.banner-1-multi-157{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:250px;padding:0;text-align:center!important}. Answer: Yes, a chainsaw can bog down if gas is supplied to it. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-4','ezslot_20',165,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-4','ezslot_21',165,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-4-0_1');.leader-4-multi-165{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:250px;padding:0;text-align:center!important}Adjusting the carburetor on a Craftsman chainsaw is a relatively simple process, but there are several steps youll need to follow. The Basics Explained, Can a Concrete Chainsaw Cut Through Rebar? After checking and cleaning the filters, see if the carburetor orientation is proper. The saw also won't operate well at speed if the air filter or spark arrestor or carburetor are dirty. A chainsaw is a tool, and no tool is perfect. Affiliate. It bogs down it seems and stalls out when I open the throttle. can cause a chainsaw to bog down when cutting. The reason could be that you are using the Stihl saw at an altitude, or the carburetor adjustment might have slipped and required fixing. You may have to look beneath the air filter or in the Users Manual for your saws model number. What causes a Stihl chainsaw to bog down? - remodelormove.com Get a carburetor repair kit before you begin clearing the blocked jets. Lock the chain brake by pushing the handle forward. I'm having trouble with my Stihl MS180 C-BE chainsaw. Classifieds - Engine/Transmission/Transfer Case, BJ42 | FJ43 | BJ44 | FJ45 | FJ45LV | HJ47, North American Clubhouses - Central Region, CA.AB- Rocky Mountain Land Cruiser Association, CO/WY- Horsetooth 4 Wheelers Cruiser Club, TX- Lone Star Land Cruisers - Austin Chapter, TX- The White Trash of the Elwood Chapter, CA.BC- Okanagan-Similkameen Land Cruisers, NV- Battle Born Cruisers of Northern Nevada, Vendors: Accessories - Electronics - Recovery, sthil pics pictures by naturalite - Photobucket, http://s820.photobucket.com/albums/zz130/naturalite/sthil pics/. ), 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. 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. 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. Stihl chainsaw engine ( motor ) bogging down things to check first. JavaScript is disabled. Bog down is straight-up the most infuriating issue when using a chainsaw. If the idle screw is too loose, the mixture will be too rich, and the chainsaw will not run at all, even at idling. Clean it with a wire brush. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. Stihl MS 170 bogging down, no power | Arborist, Chainsaw & Tree Work Forum 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. Make sure to properly lubricate your chain with chain oil and check the compression in the cylinder. Re: Chainsaw bogs on full throttle . Carb. my elevation is 640' above sea level. You can also replace the spark arrestor. Once youve reassembled the chainsaw and replaced the air filter, check for any other issues, like clogged fuel cap vent, and make sure all the screws have been secured correctly. Additionally, the choke might be stuck in either the open or closed position and preventing the engine from running properly. Chainsaw bogging down after starting or not starting at all is a common problem for a lot of chainsaw users. 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. Rotate the fuel supply lever and keep it in the on position while you spray the carburetor cleaner. The reason for. Anyone have any suggestions? Dirt in the air filters This is one of the biggest culprits when dealing with chainsaw bogging down. If your chainsaws carburetor becomes clogged with dirt and debris, airflow is restricted and the chainsaws engine suffers. I doubt it has more than four or five hours on it. Remedy this by adjusting the high-speed screw. First and foremost, you should check that you are using the correct fuel and oil mixture for your chainsaw. Does Your Poulan Chainsaw Stall When Giving It Gas? Be sure that your oiler is adequately lubricating your bar and chain. This blog is written by a group of Garden Tool enthusiasts. To adjust the tension on the chain, the user simply turns a knob located near the drive sprocket. So I am just wondering how to go about pulling the carb off the easiest way to check out the jets. Heres a quick rundown of daily, weekly, and monthly maintenance tips: Chains will loosen over time and use. Test your stop switch to make sure that it completely stops the motor. Author Topic: Stihl MS 180C running problems, bogging down, fuel starvation?? 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. Step Three. Correct some carbs can be damaged by compressed air. I ask if they checked the carb and they said no. */ Correcting stalling measures are generally referred to as tune-ups.These procedures help in improving your chainsaw performance. The ignition system is essentially a spark plug. I have a MS250 that's only two years old and has barely been used. With the carb apart, make sure all the passages are clear. On most models it is either just below or just above the carburetor and secured with a metal clip. Chainsaw bogs down in cut in Chainsaws - forestryforum.com Also, check the lubrication hole for debris and clean your bar groove. The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. This can be done with a vise, clamps, or any type of fastener that will stabilize your chainsaw. 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" Clogging usually occurs due to long working hours. imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" A dirty arrestor, on the other hand, is the cause of overheating your experience in a bog down. imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. Make sure that its leveled and does not tilt. Its an essential step in properly maintaining your chainsaw to check and adjust the chain tension. Also, use a clean cloth and some carburetor cleaner to wipe down the inside of the carburetor. You must log in or register to reply here. 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. Its all about adjusting the carburetor, and a slight change in the orientation can lead to Chainsaws Bog. 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. The use of stale ethanol-blended fuel, which creates sticky white deposits over time, is the most typical source of such clogs. Why Is My Chainsaw Bogging Down? [Easy Fix] Take the appropriate screwdriver and align them. 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. Next, spray a carburetor cleaner into the throat of the carburetor on the side opposite the air filter and throttle linkage. This makes the engine flood and as a result, the chainsaw bogs down. Continue with Recommended Cookies. There are many factors that cause a bog down, but mostly it is the carburetor orientation or blockage. Why does my Stihl chainsaw dies when I give it gas? Chainsaw Keeps Bogging Down? Here's What to Do - Crankfix.com Other indicators that your chainsaw may be suffering from carburetor troubles are overheating or excessively smoky exhaust. Nowadays, most chainsaws use a 50:1 ratio, but some use a 40:1. 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. Your email address will not be published. No Power at Full Throttle on My Stihl MS 170 | eHow If your chain does not rotate, you can skip this step. An incorrect mixture is also known as a rich mixture which can be caused when there is too much gas as compared to the oil. I. If you observe any evidence of damage or wear on the air filter, I recommended to replace it. (Read 66824 times) (Read 66824 times) 0 Members and 2 Guests are viewing this topic. 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. The solution is easy and you can do it within a few minutes. You are using an out of date browser. Find the screw to adjust the idle speed. Start by identifying the carburetor on your saw. We also recommend that if a unit will be left unused for more than 30 days that it be stored "dry". When not constructing or remodeling X-Ray Rooms, Cardiovascular Labs, and Pharmacies, you can find him at home with wife and two daughters. You should attend to all of those anyway, before you give it a clean bill of health. If it needs to be cleaned, take care to not damage it by using compressed air or a soft brush. One controls the fuel mixture when the engine is idling, one controls it when the engine is operating at low speed and one is for high-speed fuel control. Also cleaned muffler and replaced spark arrestting screen.All with no luck. For the spark plug, use a delicate brush, a wire, or a plug spray-on to clean off the thick carbon. 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. random_imglink2() Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. How do you know what the best gas-to-oil mixture is the best for your 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. The manual should give you the proper gas-to-oil ratio for your particular chainsaw. This dirt and debris can build up and create a clog. on Chainsaws. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. This can also be caused by bad fuel. After considerable usage, specific engine components like the crank seals and the head gaskets wear out and develop leakages. The engine needs a precise mixture of air and fuel to run efficiently, and when the ratio is off, it can bog down. Updated: 00/04/25 Even if you are a novice chainsaw operator, these spark plugsshould be updated at least once a year. The chainsaw bogs down will occur when your engine is starved of enough fuel or when there is termination in the connection between the carburetor and the engine. Move the piston up in bore a bit more so we can see the piston below the ring and turn your flash off. But soon loses power and bogs down. Adjust the main jet by twisting the needle in either direction. Dealing with a carburetor requires strict guidelines to be followed. Its worth noting that loosening a screw improves the fuel flow rate and enriches the mixture while tightening the screw has the reverse effect. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Suppose that your chainsaws fuel mixture is correct, and youre still experiencing a lag in performance. The location of the fuel filter on a Poulan chainsaw varies depending on the model. Kilikoba Nashoba 858 subscribers 46K views 7 years ago This video is about likely causes of a Stihl chainsaw engine. 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. Lastly, its time to play mixologist. The consent submitted will only be used for data processing originating from this website. Inspect the spark plug and replace it if necessary. The gasoline filter can be found at the bottom of your fuel tank. It is recommended to replace the fuel filter every year to ensure optimal performance and avoid any possible issues. The carburetor might need: A clean-up if it's clogged. If the problem persists, inspect the fuel lines and ignition system. An example of data being processed may be a unique identifier stored in a cookie.