stihl chainsaw bogs down when i give it gas stihl chainsaw bogs down when i give it gas

When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. Finally, replace the fuel filter and air filter and reconnect the spark plug. So, lesser air is supplied to the carburetor and the saw bogs down. 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. However, when your chainsaw bogs down, it turns your enjoyable day in the backyard into a complete headache. It should measure at 0.5 mm (0.20 in). I would suggest that in the first instance the carburetor settings are checked. Start by identifying the carburetor on your saw. This helps identify the compression. We and our partners use cookies to Store and/or access information on a device. You may have to look beneath the air filter or in the Users Manual for your saws model number. JavaScript is disabled. If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. Affiliate. However, now it is acting odd. 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. A daily, weekly, and monthly check-up and cleaning must be performed for optimal performance. To keep your chainsaw running smoothly, you should service it regularly and keep up scheduled maintenance visits with a reputable, authorized chainsaw service center. 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. This can usually be done by turning the adjustment screw clockwise. ), 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. Why does the chainsaw bog down at full throttle? When your saw blade starts to dull, your blade will start producing powder, rather than chips. Check the brake band for wear and tear. or a blockage in the mesh strainer in the pump chamber. After cleaning the air filter and spark arrestor, you should fill the tank, start the saw and let it warm up for a few minutes before adjusting the carburetor. Then, remove the air filter and fuel filter. Ok I got it posted. Finally, replace the air filter on the chainsaw. 1. Next, check the spark plug to make sure it is clean and properly connected. This blog is written by a group of Garden Tool enthusiasts. Hello, and thanks for visiting my site! The issue of chainsaw bog down can be very calamitous, and it oozes a great deal of frustration. I think I am having the same problem with mine. (3 Common Causes). I didn't run straight gas through it and it isn't sized up so I am wanting to dig into the carb myself. Correcting stalling measures are generally referred to as tune-ups.These procedures help in improving your chainsaw performance. I tried putting new gas in it and starting it up but it didn't make a difference. The proper fuel mixture is essential for effective, trouble-free operation. On most models it is either just below or just above the carburetor and secured with a metal clip. 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. Oct 29, 2011. Tuning of the screws to adjust and align them. Heres a quick rundown of how to do just that: Keeping your chainsaw chain sharpened will enable you to keep cutting with precision and efficiency. The engine should start by now. Re: Chainsaw bogs on full throttle . Clogging slows down the engine from in-taking fuel and air, which results in a bog down at full throttle. Make sure to take out the spark plug before removing the filter. ). Vapor lock occurs when the fuel vapor pressure builds up considerably in the fuel tank and isnt allowed to escape from the tank vents. Take a measuring beaker and add oil and gasoline of the required amount according to the model of your chainsaw. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. In my experience, there are two possible causes of this 'bogging down of the engine' and to resolve this the manufacturer's manual is required or alternatively a little internet investigation. 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. Sometimes the L adjustment is insufficient, and you must tweak your fuel delivery components, specifically the carburetor and filters. myimages[4]="../../../images/top-banner/ez50-banner.jpg" I hope my epic guides will help you to choose,buy and maintain 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. Garden Tool Expert 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. 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. Following the L modification, the mixture composition should be adequate to keep your engine running. A well-maintained chain-saw seldom stalls. Any of these could be a contributor to a chainsaw that's bogging down. 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. Solution: Here's the solution. 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. After cleaning, attachit backto the gasoline tank. When a chainsaw bogs down when accelerating, it typically means the engine is not receiving enough fuel or air. I think the problem is ethanol in gas, espesially gas . Next, you should check the air filter to make sure it is clean and not blocked by dirt or debris. 2023 "Chainsaw Guru". All small holes free of residue. How Much Power Do Stihl 031 AV Chain Saws Have? From falling trees to slicing timber, the chainsaw is a necessity - especially if you are in the lumber industry. Because of continuous firing, the spark plugs electrodes become damaged or acquire carbon deposits, reducing spark quality. Weather is 30-50 when I'm cutting and I'm trying to run 40:1, 93 only. myimages[1]="../../../images/top-banner/ez50-banner.jpg" After checking and cleaning the filters, see if the carburetor orientation is proper. 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. One of these is not being fed to the chainsaw in the proper ratio. 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. It is experienced during welding, idling, or full throttle. For the spark plug, use a delicate brush, a wire, or a plug spray-on to clean off the thick carbon. Make sure that its leveled and does not tilt. The standard compression reading required for most 2-cycle chainsaw is around 100-110 psi to start. To remove it you need to depress a small tab and slide the fuel line off. If you experience this scenario, the orientation of your carburetor has likely changed. It may not display this or other websites correctly. The spark arrestor is a small screen that prevents the engine from emitting sparks. A dirty carburetor is likely to cause Chainsaw Bog.In this case, the speed of the chainsaw will dwindle a great deal.Dirt in the spark arrestor or air filter can also cause the chainsaw to bog. Obviously pull the carb and exhaust when you do this. After checking that, soak the crank seals in motor oil (30w works great) and then give it a go. Bogging down is a universally hated issue by everyone and anyone who uses a chainsaw. You should use mid-grade unleaded gasoline with a minimum octane rating of 89 and a premium two-cycle oil. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. Another possible cause of a Stihl chainsaw bogging down is a broken or worn chain. To adjust the tension on the chain, the user simply turns a knob located near the drive sprocket. If the fuel you are using is too old or is diluted, your chainsaw will not work correctly. 30:1 is recommended mostly for older models. 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 idles fine but after you rev it up it looses power. In case you have filled it wrong, drain it out and replace it with the correct mix. On the first day the crew used it, it was bogging down. If the spark plug is fouled, it means that it is unable to ignite the fuel being provided to the cylinder. When dropping a tree, what are you guys watching?. Clean and check the function of your chain brake. function random_imglink(){ When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust . If the fuel mix is old or has not been adjusted properly to the manufacturers specifications, refresh it or adjust it. Older saws have degraded lines which need replacement. Adjust the screw using only turns before trying to start the trimmer again. Maintenance is the key to sustenance. Chainsaw bogs on full throttle #63708 18/04/15 11:39 PM. 453 S Spring St Ste 400 A chainsaw is a tool, and no tool is perfect. Your email address will not be published. The effect of air leakage is that it upsets the composition of the air-fuel mixture. Next, spray a carburetor cleaner into the throat of the carburetor on the side opposite the air filter and throttle linkage. The reason could be that you are using the Stihl saw at an altitude, or the carburetor adjustment might have slipped and required fixing. If your chainsaw bogs down after pulling the throttle, the air/fuel delivery system needs to be examined. If the compression is low, you should clean and check for any damage or wear. The ignition system is essentially a spark plug. 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. Once complete, start the engine and check to make sure the chainsaw is now running correctly. 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. Even without an incident of stalling, it is important to carry out regular repairs. Check for any loosened nuts or screws and retighten if needed. Allow the cleaner to sit for five to 10 minutes and then wipe away with a cloth. Your chainsaws fuel supply system comprises the gasoline tank, fuel filter, fuel lines, and carburetor. Stalling is a symptom of a complication in the chain-saw. The main reason for an ECHO chainsaw to bog down is the dirty spark arrestor. The muffler looks easy enough to remove but I want to check out the carb. Test your stop switch to make sure that it completely stops the motor. Youll want to start by increasing the idle speed until the engine runs smoothly. Start by sharpening the cutting teeth of the blade first. To do this: Loosen each bolt about half way down using flathead screwdriver or small wrench (depending on size). If your chain does not rotate, you can skip this step. This will keep your chain in place for the next steps. my elevation is 640' above sea level. The ignition system includes the spark plugs, ignition coil, and exhaust muffler. A clean and fixed carburetor is key to achieving full throttle performance. Find the screw to adjust the idle speed. If this is the case, the only alternative is to replace the spark plug. After I got home I remover the spark plug and looked in there and everything looks good. The remedy is to close the screw, but closing it too far is dangerous for the engine. If your chain starts to spin, loosen the idler screw until it stops. 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. Imagine you are about to cut down or in the middle of cutting down a tree or wood, and your chainsaw bog down. If there is none, then take off the cover and locate the carburetor. Poor chainsaw maintenance is one of the lead causes of bogging. The Author The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. 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. If the spark arrestor is clogged, the chainsaw may run stall or run rough. For a better experience, please enable JavaScript in your browser before proceeding. After this, check the air filter and carburetor for dirt and debris. Now take and post a picture so we can see the exhaust side of the piston. I. Inspect the fuel line condition. Page created in 1.341 seconds with 39 queries. #1. //specify random images below. keep cutting with precision and efficiency. Generally, you will find the fuel filter on the fuel line, usually near the carburetor. 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. Why Is My Chainsaw Bogging Down? If the spark plug is physically damaged, replace it. Use low pressure compressed air, and a stiff paint brush bristle to check them all. Working outdoors can be such a cathartic experience. Using compressed air, blow out the inside of the carburetor and around the gasket. They wrote it up as I ran straight gas through it and seized it. Try to make the right call based on the cost and gravity of the issue. Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) 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. By a silver star and you can post unlimited pictures. You can follow these simple steps to remove and clean your chainsaws air filter: You should note that if your air filter continues to look dirty after cleaning and drying, it is time to fully replace the air filter with a new unit. Dirty filters are the main problem. imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" The imbalance of these components is one of the major reasons for bogging down. 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. can cause a chainsaw to bog down when cutting. Firewood, Heating and Wood Burning Equipment, Lady on ebay selling hundreds of chainsaws. 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. var imagelinks=new Array() In case it is not the fuel ratio, it might be dirty or clogged air filters. If your chainsaws carburetor becomes clogged with dirt and debris, airflow is restricted and the chainsaws engine suffers. It may not display this or other websites correctly. 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. random_imglink2() 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. 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. If you have recently bought the saw or it has been sitting for a while and not used, the best option would be to clean the carburetor and set it according to the factory specs. If any part of that ratio is off (as previously mentioned), your chainsaw will experience a lag in performance. For instance: It is impossible not to lose power when the firewood chainsaw is being used constantly. And these issues can be solved if the problem is identified. Chainsaw bogging down after starting or not starting at all is a common problem for a lot of chainsaw users. I take off everything can come off. Aside from the screw setting, you need to check and make sure that the spark plug is in prime working condition. Answered by Patrick, Top 10 Best Chainsaw Bars Tested and Compared for 2023, How does a Chainsaw Carburetor Work? How to Prevent Your Chainsaw from Bogging Down If your chainsaw wont stay running, there are several steps you can take to try and fix it before seeking professional help. Kilikoba Nashoba 858 subscribers 46K views 7 years ago This video is about likely causes of a Stihl chainsaw engine. A restricted fuel flow will reduce the power of your Stihl chainsaw. It should be the first thing to check and clean. To rule out any of these as a potential cause, its important to first check the air filter. Author Topic: Stihl MS 180C running problems, bogging down, fuel starvation?? Turning the knob will either tighten or loosen the chain, depending on the direction the user turns the knob. /* Any factor that might affect supply can cause the chainsaw to bog down. 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. We pulled out the carb and opened it up, and the check valve looked perfect and everything was as clean and shiny as you'd expect a basically brand new saw to look. Manage Settings Locate their perfect setting at which the engine doesnt bog down when the throttle is applied. This is usually behind the air filter, but if you have trouble locating it, consult your user manual. These are the low-speed screw (L), the idle screw (I), and the high-speed screw (H). if (ry==0) 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. If your chainsaw doesn't start, adjust the carburetor screws till it doesn't bog down. The idling (I) screw regulates the mass flow rate of the air-fuel combination entering the engine at idle. Check the return/recoil spring and starter. The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. There are a number of issues to check in a sequence as why a mini chainsaw would bog at full throttle. Nowadays, most chainsaws use a 50:1 ratio, but some use a 40:1. I asked my brother to take a look at it since he's fixed a number of chainsaws, and he says it looks like it isn't getting fuel. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Chain filing isnt a difficult task and is crucial in maintaining your chainsaw. Clean your spark plug and measure the gap. The spark arrestor is a small screen that prevents the engine from emitting sparks. Even with the tiniest passage, it can make its way towards anything, including a spark arrestor and spark plug. If your chainsaw doesnt start, adjust the carburetor screws till it doesnt bog down. The solution is easy and you can do it within a few minutes. Its an essential step in properly maintaining your chainsaw to check and adjust the chain tension. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. If a chainsaw is bogging down when it is throttled, this indicates that the gasoline to oil ratio supplied to the saw has been incorrect. Los Angeles, CA 90013 Clean out the air filter and carburetor. Cant get a good picture becouse of the glare of the piston. More so, the chainsaw might bog and refuse to run when you give it gas. To sharpen the cutting teeth on your chainsaw chain, follow these easy steps: If you are not comfortable sharpening your own chains, be sure to take your chainsaw to a reputable service provider and have it professionally done. There are several factors may make your saw not work properly. The inability to reach full power during a full-throttle trigger is also a sign of bogging down.Remedy this by adjusting the high-speed screw. To identify air leakage, you will need to perform a pressure test on your chainsaw. This jet is usually responsible for controlling the fuel/air mixture. Finally, check the choke. The new fuel cleans everything really good and what the fuel cleans ends up in the fuel filter or the carburetor screen. Sounds like a blocked passage somewhere to me. The fuel lines or ignition system may have beenaffected if the problems continue despite adjustment. This dirt and debris can build up and create a clog. Some issues can be solved at home with the right tools, and some need professional help. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" If the spark plug is cracked or damaged, you will need to replace it. Additionally, if the air filter is dirty or blocked, that can also lead to a bogging issue. This can also be caused by bad fuel. The consent submitted will only be used for data processing originating from this website. The carburetor has three adjustment screws marked on it. Yea, its not rocket science but reality. Always clean the outside of your chainsaw after using it to remove any dust or debris that may be present. As previously stated, the carburetor comprises three screws (L, H, and I) for managing the engine RPMs at low, high, and idle speeds. Save my name, email, and website in this browser for the next time I comment.