Proceed with adjusting the carburetor adjustment screws to fix a chainsaw that wont start. stihl chainsaw bogs down when i give it gas 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. Even if you are a novice chainsaw operator, these spark plugsshould be updated at least once a year. Remove the muffler. A loose spark plug wire or incorrect gap can also be responsible for a poorly running string trimmer that bogs down. We and our partners use cookies to Store and/or access information on a device. Ok I got it posted. When a chainsaw bogs down when accelerating, it typically means the engine is not receiving enough fuel or air. Kilikoba Nashoba 858 subscribers 46K views 7 years ago This video is about likely causes of a Stihl chainsaw engine. Once youve made the adjustments, make sure to monitor the performance of your saw over the next few days and readjust if necessary. The saw also won't operate well at speed if the air filter or spark arrestor or carburetor are dirty. 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. If t present cleaning your tank isnt an option. Youll want to start by increasing the idle speed until the engine runs smoothly. . Replace it if the quality has deteriorated. There are many factors that cause a bog down, but mostly it is the carburetor orientation or blockage. There are a number of carburetor-related problems. The Basics Explained, Can a Concrete Chainsaw Cut Through Rebar? Set the idle screw to the point just before the chain starts spinning and adjust the low-speed midway between the the two points at which the engine starts to die. 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. Check the brake band for wear and tear. You must log in or register to reply here. Frustrating, right? The first step is to make sure that your chainsaw has enough fuel. Then, remove the air filter and fuel filter. 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 took it back to the dealer and he said he adjusted something and handed back saying it would work fine. You are using an out of date browser. For instance: It is impossible not to lose power when the firewood chainsaw is being used constantly. If needed, purchase the tools from a hardware store and make sure you have personal protective equipment (goggles, gloves, etc. ) A dirty arrestor, on the other hand, is the cause of overheating your experience in a bog down. Although Richard does focus on other home improvement tools, his focus remains on cutting fallen trees or maintaining his backyard via chainsaw tools. They all come with their fair share of technical issues. Clogging usually occurs due to long working hours. All help is appreciated. After considerable usage, specific engine components like the crank seals and the head gaskets wear out and develop leakages. Poor chainsaw maintenance is one of the lead causes of bogging. First, youll need to pull out your reading glasses and take a look at your chainsaws owners manual. Something may be amiss in the low or high speed circuit of the carb. Additionally, if the air filter is dirty or blocked, that can also lead to a bogging issue. Solution: Here's the solution. Aside from the screw setting, you need to check and make sure that the spark plug is in prime working condition. Adjusting the idle screw, for instance, is a corrective measure for a chainsaw stalling when idle. Chain filing isnt a difficult task and is crucial in maintaining your chainsaw. This is done by turning the air screw in either direction, depending on the engines response. Tighten the idle screw with a screwdriver to fix this and see whether the engine RPMs rise. Another possible cause of a Stihl chainsaw bogging down is a broken or worn chain. 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. Make sure they are closed at a distance and neither touching the engine and not too far from it. Check for any fuel leaks from the motor, fuel tank, or fuel lines. Jul 22, 2008. --If you want more backyard tips including recipes, how-tos and more, make sure you subscribe to my youtube channel, Can Chainsaw Chains Be Shortened? If the problem persists, inspect the fuel lines and ignition system. 1 Hour1 Day1 Week1 MonthForever 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. I have a MS250 that's only two years old and has barely been used. 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. Chainsaw Dies after Letting off the Throttle. Tips from a Professional Fix your Lawnmower with our Lawnmower Troubleshooting tool. 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. Why Does My Chainsaw Bog Down When I give it Gas? A restricted fuel flow will reduce the power of your Stihl chainsaw. Register today and take advantage of membership benefits. If your chainsaws carburetor becomes clogged with dirt and debris, airflow is restricted and the chainsaws engine suffers. Additionally, it is a good idea to check the spark plug to make sure it is in good condition. It did sit with gas in it for a while, but there are no visible signs of any damage to the carb as a result. If the spark arrestor is clogged, the chainsaw may run stall or run rough. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" A couple of the small holes were plugged with what seemed like excessive oil, but once I blew on it it was clear. This will keep your chain in place for the next steps. Why Does My Chainsaw Bogs Down When I Give it Gas? 5 Causes Check inside the fuel tank for dirt and debris. 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. When not constructing or remodeling X-Ray Rooms, Cardiovascular Labs, and Pharmacies, you can find him at home with wife and two daughters. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. If the problems remain, examine the fuel lines and carburetor. The new fuel cleans everything really good and what the fuel cleans ends up in the fuel filter or the carburetor screen. The engine boggs down under a load and when just reving the saw. Clogging slows down the engine from in-taking fuel and air, which results in a bog down at full throttle. Check the spark plug as well to examine the ignition system. Chainsaw Starts Then Stalls | Repair Clinic (Even After Sharpening). When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. Why Does Your Chainsaw Bogs Down When You Give It a Gas It could even bog down when given gas. First, remove the old fuel line from the fuel tank. Run a check on your chainsaws cooling system. The spark arrestor is a small screen that prevents the engine from emitting sparks. A thick fuel mixture can cause excessive carbon around the spark plug, which can even kill a chainsaw. However, now it is acting odd. 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. Check the tension and condition of your chain. myimages[4]="../../../images/top-banner/ez50-banner.jpg" Still, if you feel that you can do so yourself, you can watch this YouTube tutorial here. 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. By, Read More Chainsaw Too Much Compression: Causes & SolutionContinue, Your email address will not be published. We also recommend that if a unit will be left unused for more than 30 days that it be stored "dry". document.write('') Correct mixing of fuel ingredients. imagelinks[4]="http://www.ezboardwalk.com/" imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" If any part of that ratio is off (as previously mentioned), your chainsaw will experience a lag in performance. Older saws have degraded lines which need replacement. The idling (I) screw regulates the mass flow rate of the air-fuel combination entering the engine at idle. With the carb apart, make sure all the passages are clear. Chainsaw Dies When I Give It Gas | Backyard Mike As a preventative measure, always keep your tank vents clean. It would do the same thing, die when you give it fuel, It would also idle way down when I was adjusting the carb, not from turning the screws all you had to do was just push on it a little and it would almost die. var ry=Math.floor(Math.random()*myimages.length) 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) . Ozito 25.4 cc 305 bar, starts, easily & comes off choke & idles, will rev up on the ground, pick it up off the ground & it dies & stops, Put back on read more. Clean air intake slots on the housing of the starter and inspect your starter cord for any damage. JavaScript is disabled. Allow the cleaner to sit for five to 10 minutes and then wipe away with a cloth. on Chainsaws, Started by H60 Hawk Pilot A chainsaw is a tool, and no tool is perfect. if (ry==0) Bog down can also occur in the case of a dirty air filter, spark arrestor, or carburetor. What causes a Stihl chainsaw to bog down? - remodelormove.com Chainsaw bogging down after starting or not starting at all is a common problem for a lot of chainsaw users. The issue of chainsaw bog down can be very calamitous, and it oozes a great deal of frustration. These are the low-speed screw (L), the idle screw (I), and the high-speed screw (H). Let the chainsaw cool down if there's excessive smoke release or the chainsaw got heated up. The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. The effect of air leakage is that it upsets the composition of the air-fuel mixture. 4. In that case, its best to check your air filter and clean it if needed before moving on to more complex issues. To unclog the spark arrestor, remove it and clean it with a wire brush. Turning it clockwise will increase fuel flow, and turning it counterclockwise will reduce fuel flow. myimages[5]="../../../images/top-banner/cookie-mizer.jpg" Move the piston up in bore a bit more so we can see the piston below the ring and turn your flash off. The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. If the fuel you are using is too old or is diluted, your chainsaw will not work correctly. The inability to reach full power during a full-throttle trigger is also a sign of bogging down. The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. Over time, the spark arrestor can become clogged with soot. 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. Manage Settings Over time, the spark arrestor can become clogged with soot. on Chainsaws, Started by rapserv Stihl MS 180C running problems, bogging down, fuel starvation?? in A Detailed Guide, What Size Chainsaw Do I Need in 2023? A well-maintained chain-saw seldom stalls. No wonder I dont have any luck with the damn things!Sea foam and an ultrasonic and thats it huh what is your success rate?Do you need to pull those small pie shaped plugs?