No matter how tight the seal on the tank is, replace the gas every three months and use stabilizer. Solution: Here's the solution. 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. Youll want to start by increasing the idle speed until the engine runs smoothly. Guess its time to pull the carby down and check the diaphragm and mesh. It has a new spark plug, clean air filter, n Chainsaw bogs down in cut in Chainsaws Have a Stihl 441 that starts and idles fine and even start cutting. 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. If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. A dirty or damaged spark plug can cause it to misfire causing the string trimmer to run rough. We also recommend that if a unit will be left unused for more than 30 days that it be stored "dry". Tips from a Professional, Chainsaw Starts but Wont Idle. Loosening the screw, on the other hand, enriches the mixture with gasoline and lowers the RPMs to a set limit. My name is Ben, and growing up, I practically lived in my parents' backyard. 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. Take the appropriate screwdriver and align them. Manage Settings 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) . imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" If the spark plug is cracked or damaged, you will need to replace it. If the idle screw is too loose, the mixture will be too rich, and the chainsaw will not run at all, even at idling. They wrote it up as I ran straight gas through it and seized it. Hello, and thanks for visiting my site! The speed would be perfect, and there would be no unusual sound when the screws are properly aligned. 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. Empty and clean, if needed. 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. 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" Your email address will not be published. The air supply is equally as important as fuel for a combustion engine. Find the source of the issue and you can easily fix it. If the drive belt is worn or broken, replace it with a new one as soon as possible. Re: Chainsaw bogs on full throttle . Its all clean just a blackish color. It may not display this or other websites correctly. I'm having trouble with my Stihl MS180 C-BE chainsaw. 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. 3. All fuel supply components must be independently examined to address these difficulties, as discussed in the following sections. I think the problem is ethanol in gas, espesially gas . If the spark plug looks good, check the fuel mix. 0 Members and 1 Guest are viewing this topic. If you experience low compression, pull the muffler and check the piston and cylinder for, Read More How Much Compression Should a Chainsaw HaveContinue, Collect a new fuel line, a pair of pliers, and a screwdriver. Remove the filter from the tanks bottom and clean the stale gasoline deposits from the filters jets with a metal wire. To keep your chainsaw running smoothly, you should service it regularly and keep up scheduled maintenance visits with a reputable, authorized chainsaw service center. The carburetor must be maintained, but first, check that your engines filters are thoroughly cleaned. Another possible cause of a Stihl chainsaw bogging down is a broken or worn chain. 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. A chainsaw is a tool, and no tool is perfect. myimages2[3]="../../../images/top-banner/behindtheforum.jpg" Any of these could be a contributor to a chainsaw that's bogging down. Unless you are running an electric chainsaw (which is a totally different beast), your chainsaws motor is a combustion system that relies on a proper ratio of gas, oil, and air. Check the return/recoil spring and starter. They include inspection of spark plugs, filters, and carburetor adjustment.Sparkplugs are a litmus test to the fuel economy of your chainsaw.A sooty plug is an indication of a rich fuel mixture resulting in frequent misfiring. myimages2[2]="../../../images/top-banner/behindtheforum.jpg" Secure your chainsaw to maintain stability while working. If needed, purchase the tools from a hardware store and make sure you have personal protective equipment (goggles, gloves, etc. ) How to Adjust the Carburetor on an Eager Beaver Chainsaw. 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. The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. However, when your chainsaw bogs down, it turns your enjoyable day in the backyard into a complete headache. Affiliate. Once the faulty seal or gasket is identified, it needs to be replaced, and the engine should be up and running. imagelinks[2]="https://woodmizer.com/us/Sawmill-Blades?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=sawmillblades&utm_term=2022-05-01&utm_content=800x160" Inspect the fuel line condition. It is difficult to get the proper high-speed adjustment by ear -- most pros use a tachometer. 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. Run a check on your chainsaws cooling system. So, lesser air is supplied to the carburetor and the saw bogs down. It could even bog down when given gas. If your chainsaws carburetor is not clogged, the tuning of your carburetor may be to blame. The above answer may be brief, but I will explain it in more detail, including how to fix a chainsaw that wont start. Bog down can also occur in the case of a dirty air filter, spark arrestor, or carburetor. The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. (3 Common Causes). If user's chainsaw is bogging down than this is often a sign of improper gas-to-oil ratio. Also, check the lubrication hole for debris and clean your bar groove. ry=1 Don't know how to post a pic of it on here. A clean and fixed carburetor is key to achieving full throttle performance. The inability to reach full power during a full-throttle trigger is also a sign of bogging down. I do sharpen the chains myself using an Oregon 511A. Just not sure what I am doing. Conclusion: Why Does My Chainsaw Bogs Down When I Give it Gas in 2023? The stihl oil from the dealer will have stabilizer already in it, they will usually tune it for you for free (only if you bought it there) I assume you checked/cleaned your air filter. It has a new spark plug, clean air filter, n Welcome, Guest. Anyone have any suggestions? 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. imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" He tests chainsaws based on Following are the must-performed maintenance to prevent unwanted bog down. Inspect the clutch center, drum, and spring for any excessive wear. Nearly every weekend you will find us doing small or big jobs or just enjoying our garden. 2. Make sure to properly lubricate your chain with chain oil and check the compression in the cylinder. How do you know what the best gas-to-oil mixture is the best for your chainsaw? Cleaning a carburetor on a chainsaw without removing it can be done with a few simple steps. Allow the cleaner to sit for five to 10 minutes and then wipe away with a cloth. The reason for. One of these is not being fed to the chainsaw in the proper ratio. The manual should give you the proper gas-to-oil ratio for your particular chainsaw. on Chainsaws, Started by bkkraft A new chainsaw has some protocols to follow. 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. Take them out and clean them using a delicate brush. 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. 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. They all come with their fair share of technical issues. 2023 "Chainsaw Guru". This handy guide will cover the common problems that cause bog down and how you can keep it from happening in the future. myimages[4]="../../../images/top-banner/ez50-banner.jpg" 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. Your email address will not be published. 453 S Spring St Ste 400 Login with username, password and session length, Model 6020-20hp Manual Thomas bandsaw,TC40A 4wd 40 hp New Holland tractor, 450 Norse Winch, Heatmor 400 OWB,YCC 1978-79. A carb cleaner spray is an excellent tool for eliminating sticky deposits from your jets and reviving your carburetor. Dont forget that a maintained chainsaw is a working chainsaw! When a chainsaw bogs down when accelerating, it typically means the engine is not receiving enough fuel or air. Still, if you feel that you can do so yourself, you can watch this YouTube tutorial here. Its starts fine, but if you give it gas it will shut off. It is experienced during welding, idling, or full throttle. After checking and cleaning the filters, see if the carburetor orientation is proper. Why does my Chainsaw Bog down when I Pull the Trigger? Its an essential step in properly maintaining your chainsaw to check and adjust the chain tension. myimages[1]="../../../images/top-banner/ez50-banner.jpg" The L screw, for example, controls the gasoline entering the carburetor at low/idle RPMs, whereas the H screw regulates the fuel flow at higher RPMs or wide-open throttle (WOT). Jul 22, 2008. . imagelinks[1]="http://www.ezboardwalk.com/" You will need a round file that matches the diameter of your cutters, a flat file, a file guide, and a depth-gauge guide. random_imglink() You can have as many as you wish 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. In case you have filled it wrong, drain it out and replace it with the correct mix. Step Three. 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. 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. Required fields are marked *. If it still doesnt look clean, it might be time to replace it. After the overhaul of the piston assembly I used this saw to cut up three rather large downed trees, and some other work. This makes the engine flood and as a result, the chainsaw bogs down. I told them that I ran Polaris gold synthetic in it, which I used to use in my drag bike years ago, service manager says stihl says that that is an unacceptable oil. Since the engine turns off shortly after starting your weed eater, the idle speed may just be too slow. If the spark plug is fouled, it means that it is unable to ignite the fuel being provided to the cylinder. imagelinks[5]="https://woodmizer.com/Store/Shop/Sawmill-Options/CookieMizer-Clamping-Jig?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=cookiemizer&utm_term=2021-03-09&utm_content=800x160" There are a number of issues to check in a sequence as why a mini chainsaw would bog at full throttle. He pledges to come up with new knowledge about chainsaws every once in a while. Correcting stalling measures are generally referred to as tune-ups.These procedures help in improving your chainsaw performance. 1. Make sure to take out the spark plug before removing the filter. If your chainsaw cannot get enough of either one of those critical components, it will cause the motor to stall. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. . 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. The new fuel cleans everything really good and what the fuel cleans ends up in the fuel filter or the carburetor screen. It's a small screen you can simply pull out after removing the muffler cover. var myimages2=new Array() Required fields are marked *. That explains why they run worse after i rebuild them! The Forestry Forum is sponsored in part by: 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 the spark plug is physically damaged, replace it. Additionally, if the air filter is dirty or blocked, that can also lead to a bogging issue. Stalling is a symptom of a complication in the chain-saw. If the problems remain, examine the fuel lines and carburetor. Additionally, the choke might be stuck in either the open or closed position and preventing the engine from running properly. I love to write about chainsaw for homeowners and professionals. #1. /* For a better experience, please enable JavaScript in your browser before proceeding. Your chainsaws fuel supply system comprises the gasoline tank, fuel filter, fuel lines, and carburetor. 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. By properly troubleshooting and addressing any potential causes, you can prevent stalling or restarting problems with your Stihl saw. Cant get a good picture becouse of the glare of the piston. 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? If you need, Read More Stihl chainsaw break inContinue, Carbon build-up in cylinder & piston, bad needle bearing, overused starter spring, oil in the starter system, old or bad fuel, etc can cause too much compression in Chainsaws. This is partly due to clogged filters resulting from long working hours and less air supply to the carburetor (which will be discussed later). If the gas is supplied to the chainsaw then the filters can clog easily. Most manufacturers do not recommend adjusting the tuning of your chainsaws carburetor outside the hands of a trained professional. If the spark arrestor screen has become damaged, you should replace it. Adjust the idle speed. I think I am having the same problem with mine. There are several factors may make your saw not work properly. Why doesmy Chainsaw Startand then Stop. This may be one of the least anticipated causes of the problem, but it occurs in several cases. +1-213-221-0119, By using this website I agree with the Disclaimer. As a result, the engine runs at too high or too low RPMs. Other indicators that your chainsaw may be suffering from carburetor troubles are overheating or excessively smoky exhaust. 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. If your chainsaw bogs down at full throttle, the air filter and . Stihl MS 180C running problems, bogging down, fuel starvation?? Thank You for all replies. 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. I doubt it has more than four or five hours on it. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust . In that case, its best to check your air filter and clean it if needed before moving on to more complex issues. Why does the chainsaw bog down at full throttle? imagelinks[6]="http://www.ezboardwalk.com/" If your chainsaw is bogging down, one of these critical components isnt in its correct balance. Get a carburetor repair kit before you begin clearing the blocked jets. First, disconnect the spark plug wire and turn the engine off. As a result, the chainsaw will bog down at full throttle. The reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. Cleaning it by immersing it in a soap water solution is preferable. #7. If you observe any evidence of damage or wear on the air filter, I recommended to replace it. function random_imglink(){ Chain filing isnt a difficult task and is crucial in maintaining your chainsaw. After reassembling the carburetor make sure the gaskets and seals are airtight. If your chainsaw starts but does not stay running, the low-speed (L) and idle screw (I) may not be properly set. Using compressed air, blow out the inside of the carburetor and around the gasket. Check the spark plug as well to examine the ignition system. 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. After I got home I remover the spark plug and looked in there and everything looks good. 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. (Even After Sharpening). A Stihl chainsaw can bog down for a variety of reasons. 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. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Clean and/or replace the spark arrestor screen. Begin by draining the fuel tank and draining the existing fuel from the carburetor. I doubt it has more than four or five hours on it. Stihl ST251C Chainsaw Stalls when I depress the throttle. Chainsaw starts but dies when I give it gas. Next, check the spark plug to make sure it is clean and properly connected. What causes a chainsaw to bog down when accelerating? Check for any fuel leaks from the motor, fuel tank, or fuel lines. The Low Speed is the setting I do 1st in or out a 1/4 turn to ensure no hesitation . First, be sure to read your chainsaws manual to determine whether you need specialized tools to disassemble the carburetor. var ry=Math.floor(Math.random()*myimages.length) It runs fine at all other times, cuts well and has good power. A restricted fuel flow will reduce the power of your Stihl chainsaw. Over time, the spark arrestor can become clogged with soot. 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. var ry=Math.floor(Math.random()*myimages2.length) Adjusting the idle screw, for instance, is a corrective measure for a chainsaw stalling when idle. It is recommended to replace the fuel filter every year to ensure optimal performance and avoid any possible issues. Being in the cutting services for more than 10 years, I know a thing or two about chainsaw. can cause a chainsaw to bog down when cutting. Check inside the fuel tank for dirt and debris. 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. Page created in 1.341 seconds with 39 queries. If your chainsaw dies when you give it gas, you need to ensure that the idle screw (I) and low-speed screw (L) are adjusted correctly. //-->, . The ignition system is essentially a spark plug. 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. This can be done with a vise, clamps, or any type of fastener that will stabilize your chainsaw. The saw has been well used over the years (1998) and not really well looked after. With the carb apart, make sure all the passages are clear. 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. 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. Also cleaned muffler and replaced spark arrestting screen.All with no luck. There are many factors that cause a bog down, but mostly it is the carburetor orientation or blockage. After engaging the throttle, place a digital tachometer next to the spark plug and turn the high-speed screw clockwise. I have never worked on anything this saw. It should be the first thing to check and clean. Remedy this by adjusting the high-speed screw. If your chainsaw is bogging down when you press the throttle, it can be a sure sign of an incorrect gas-to-oil ratio. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-2','ezslot_17',164,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-2-0');If the fuel lines are blocked or restricted, clean or replace them accordingly. This issue can be fixed with the help of the user manual you received with the chainsaw. Thanks for the replies; I'll try out these suggestions. How to Prevent Your Chainsaw from Bogging Down The proper fuel mixture is essential for effective, trouble-free operation. Misaligned screws can cause bogging down, smoking in the chainsaw, and lower performance efficiency. Imagine you are about to cut down or in the middle of cutting down a tree or wood, and your chainsaw bog down. Now take and post a picture so we can see the exhaust side of the piston. We like to help other people maintaining their garden and find cool products to write about. My Chainsaw Bogs Down When I Give It Gas; Causes and Solutions [2023]. 4. It is also its orientation that keeps it working smoothly on little or full throttle. 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. I just worked on my grandpa's ms 192t. Why does my chainsaw stall when gas is given? Richard lives out in the wild with his other half, Diana Richard. Carb. Now, remove the filter and clean the dust buildup using a brush. Suppose that your chainsaws fuel mixture is correct, and youre still experiencing a lag in performance. Using a screwdriver, remove the air filter cover on the back of your chainsaw. Tuning regulates the flow of fuel through the might be the last resort and for that, always seek professional help. The majority of these steps are listed above in the daily maintenance list, but one is of top priority: Chainsaws require maintenance to stay at the top of their game. Where are these located and on what carbs? Wash it in soapy water with a soft-bristle brush. Use a 50:1 gas-to-oil mixture in your 2-cycle Stihl chainsaw. The dirt in the air filters can often cause the chainsaw to stall. Always clean the outside of your chainsaw after using it to remove any dust or debris that may be present. Then, disconnect the old fuel line from the, Read More How to Replace Fuel Lines on a Poulan ChainsawContinue, Pull out your battery from the chainsaw, and press the battery button sustainably for a minimum of 5 seconds before you release it. You cannot mix oil and gas directly in your chainsaws fuel tank and will need an empty, leak-proof fuel container that is just slightly larger than the volume of oil and gas being mixed. A thick fuel mixture can cause excessive carbon around the spark plug, which can even kill a chainsaw. When a clog occurs, your engine will not get enough air to operate effectively. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. Re: Stihl MS 180C running problems, bogging down, fuel starvation?? Make sure they are closed at a distance and neither touching the engine and not too far from it. This can be quite annoying, especially when you have loads of work piled up and a mechanic isnt available.