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

3. random_imglink() Getting frustrated. I love to write about chainsaw for homeowners and professionals. He tests chainsaws based on No particular problem restarting. his personal experience and loves to share their nitty gritty details with his audience. It idles fine but after you rev it up it looses power. var ry=Math.floor(Math.random()*myimages2.length) 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. my elevation is 640' above sea level. (Why You Might Not Want to), Why Wont My Chainsaw Cut? Proper adjustment is critical for safe operation and efficient cutting performance, and the T adjustment allows anyone to determine the accurate tension of their chainsaw chain in a matter of seconds. The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. Turning it clockwise will increase fuel flow, and turning it counterclockwise will reduce fuel flow. You should use mid-grade unleaded gasoline with a minimum octane rating of 89 and a premium two-cycle oil. To ensure any residue is removed, spray the inside of the carburetor with carburetor cleaner and scrub with a stiff brush. */ Maintenance is the key to avoiding all that. function random_imglink(){ imagelinks2[1]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" Its starts fine, but if you give it gas it will shut off. Finally, replace the air filter on the chainsaw. The Author The dream of everyone in the lumbering field is to have a powerful and efficient chainsaw devoid of mechanical faults. 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. It's looking a little tricky to me. Go ahead and buy a new fuel filter. The standard compression reading required for most 2-cycle chainsaw is around 100-110 psi to start. Re: Stihl MS 180C running problems, bogging down, fuel starvation?? Garden Tool Expert Aside from the screw setting, you need to check and make sure that the spark plug is in prime working condition. Clean air intake slots on the housing of the starter and inspect your starter cord for any damage. 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. Also cleaned muffler and replaced spark arrestting screen.All with no luck. Tighten the idle screw with a screwdriver to fix this and see whether the engine RPMs rise. 1 Hour1 Day1 Week1 MonthForever How Do You Repair a Chainsaw That Wont Start? If user's chainsaw is bogging down than this is often a sign of improper gas-to-oil ratio. How did you get the carb off? If the drive belt is worn or broken, replace it with a new one as soon as possible. For the spark plug, use a delicate brush, a wire, or a plug spray-on to clean off the thick carbon. Get a carburetor repair kit before you begin clearing the blocked jets. Using a screwdriver, remove the air filter cover on the back of your chainsaw. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. From falling trees to slicing timber, the chainsaw is a necessity - especially if you are in the lumber industry. Associate Degree. Clogging usually occurs due to long working hours. The Forestry Forum is sponsored in part by: imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" It should measure at 0.5 mm (0.20 in). You should attend to all of those anyway, before you give it a clean bill of health. 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. Stalling is a symptom of a complication in the chain-saw. You can work on it directly using a carburetor adjustment tool. myimages[3]="../../../images/top-banner/LX25-FreeShipping.jpg" if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_1',155,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_2',155,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0_1');.medrectangle-3-multi-155{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}You should also check the chain tension and sharpness and consider replacing the chain if that is necessary. In case you have filled it wrong, drain it out and replace it with the correct mix. Anyone have any suggestions? It's all clean no cracks no discoloration nothing. myimages2[2]="../../../images/top-banner/behindtheforum.jpg" Lastly, its time to play mixologist. Finally, check the choke. I didn't run straight gas through it and it isn't sized up so I am wanting to dig into the carb myself. If the spark plug looks good, check the fuel mix. Next, spray a carburetor cleaner into the throat of the carburetor on the side opposite the air filter and throttle linkage. If the idle screw is too loose, the mixture will be too rich, and the chainsaw will not run at all, even at idling. Your manual will provide detailed instructions on how to do this. Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. There are three adjustment screws on the carburetor: low-speed (L), high-speed (H), and idling (I). Fill the tank with the prescribed gas-to-oil ratio. Disengage the chain brake and manually advance through the chain until you reach your starting point mark. 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. Sometimes the L adjustment is insufficient, and you must tweak your fuel delivery components, specifically the carburetor and filters. In some circumstances, vapor locks created in the fuel tank due to insufficient venting cause engine issues. New Husqvarna 550XP had to be reprogrammed. Clean out the air filter and carburetor. Clogging slows down the engine from in-taking fuel and air, which results in a bog down at full throttle. The removal of the carburetor fuel line is very sensitive.Make drawings drawing on the lines connections to allow easy re-assembly. random_imglink2() Check the return/recoil spring and starter. Additionally, if the air filter is dirty or blocked, that can also lead to a bogging issue. First, youll need to pull out your reading glasses and take a look at your chainsaws owners manual. Save my name, email, and website in this browser for the next time I comment. ry=1 This issue can be fixed with the help of the user manual you received with the chainsaw. 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). What causes a chainsaw to bog down when accelerating? To identify air leakage, you will need to perform a pressure test on your chainsaw. Chainsaw Starts but Dies when I Give it Gas. Tips from a Pro Finally, replace the fuel filter and air filter and reconnect the spark plug. After I got home I remover the spark plug and looked in there and everything looks good. Bog down is mostly experienced on full throttle. This may be one of the least anticipated causes of the problem, but it occurs in several cases. 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. 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. These deposits often accumulate at the fuel filter or carburetor jets, eventually blocking them and impeding fuel flow. 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. Find the screw to adjust the idle speed. The use of stale ethanol-blended fuel, which creates sticky white deposits over time, is the most typical source of such clogs. Also, check the lubrication hole for debris and clean your bar groove. Something may be amiss in the low or high speed circuit of the carb. Stihl Chainsaw Bogs Down When I Give It Gas 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. Even with the tiniest passage, it can make its way towards anything, including a spark arrestor and spark plug. Turning the knob will either tighten or loosen the chain, depending on the direction the user turns the knob. We and our partners use cookies to Store and/or access information on a device. Maintenance is the key to sustenance. Find the source of the issue and you can easily fix it. I do sharpen the chains myself using an Oregon 511A. Using 10x magnifying classes I discovered a tiny piece of fiber partially clogging the high speed jet in the carb. (3 Common Causes). When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust . When your saw blade starts to dull, your blade will start producing powder, rather than chips. Check for any loosened nuts or screws and retighten if needed. Why Is My Chainsaw Bogging Down? (3 Common Causes) This helps identify the compression. A well-maintained chain-saw seldom stalls. Adjust the air screw until the idle speed is consistent. When the high-speed screw on the carburetor is open too far, an excess of fuel enters the combustion chamber and not all of it ignites. Lock the chain brake by pushing the handle forward. The first problem is that when the saw is tilted forwards or the chain brake is disengaged it stalls. 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. That should help improve the performance of the chainsaw and resolve the issue of your saw stalling when you give it gas. #1. The spark arrestor is a small screen that prevents the engine from emitting sparks. Make sure to properly lubricate your chain with chain oil and check the compression in the cylinder. There is no hiding from dirt. Detailed Answer. Chainsaw bogging down after starting or not starting at all is a common problem for a lot of chainsaw users. Most manufacturers do not recommend adjusting the tuning of your chainsaws carburetor outside the hands of a trained professional. Chainsaw Bogs When on its Side?!?!? - Hearth.com Forums Home How Much Power Do Stihl 031 AV Chain Saws Have? Empty and clean, if needed. It may not display this or other websites correctly. How to Adjust the Carburetor on an Eager Beaver Chainsaw. 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. 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. Remove the air filter from its housing using a screwdriver. Carb. on Chainsaws, Started by bkkraft The manual should give you the proper gas-to-oil ratio for your particular chainsaw. If you experience this scenario, the orientation of your carburetor has likely changed. (Even After Sharpening). In most cases, clogged air and fuel filters and blocked carburetor jets are causing the problem. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Required fields are marked *. All small holes free of residue. The ignition system is essentially a spark plug. For a better experience, please enable JavaScript in your browser before proceeding. If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. Re: Chainsaw bogs on full . After the overhaul of the piston assembly I used this saw to cut up three rather large downed trees, and some other work. Answer: Yes, a chainsaw can bog down if gas is supplied to it. Remedy this by adjusting the high-speed screw. Make sure it is moveable and not stuck in the open or closed position. I took it back to the dealer and he said he adjusted something and handed back saying it would work fine. If your chainsaw bogs down at full throttle, the air filter and . When a clog occurs, your engine will not get enough air to operate effectively. Following the L modification, the mixture composition should be adequate to keep your engine running. 2. A Stihl chainsaw can bog down for a variety of reasons. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. If the spark plug is cracked or damaged, you will need to replace it. If your Stihl saw keeps stopping, there could be several potential causes. Being in the cutting services for more than 10 years, I know a thing or two about chainsaw. We may earn a small commission from affiliate links and paid advertisements. Clean the outside area of the carburetor. If you observe any evidence of damage or wear on the air filter, I recommended to replace it. 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. Following are the must-performed maintenance to prevent unwanted bog down. Confirm for water and debris in your fuel tank. ), 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. //specify random images below. Stihl 026 Stalling when tilted - Chainsaws - Arbtalk | The Social Locate their perfect setting at which the engine doesnt bog down when the throttle is applied. It is also its orientation that keeps it working smoothly on little or full throttle. When dropping a tree, what are you guys watching?. Any factor that might affect supply can cause the chainsaw to bog down. Firstly, what instigates the chainsaw Bog down? An example of data being processed may be a unique identifier stored in a cookie. 5. Remove the muffler. Why does the Husqvarna chainsaw bog down at full throttle? Inspect the clutch center, drum, and spring for any excessive wear. To unclog the spark arrestor, remove it and clean it with a wire brush. Check the fuel hose, famous for cracking. The fuel lines or ignition system may have beenaffected if the problems continue despite adjustment. #1. :bang: I guess that all depends on your oppinion of what "compressed air" is or isn't Internal check valves? Why Does My Chainsaw Bog Down When Cutting? (Causes + Solutions) A couple of the small holes were plugged with what seemed like excessive oil, but once I blew on it it was clear. Tuning of the screws to adjust and align them. Home Why Is My Chainsaw Bogging Down? How do you know what the best gas-to-oil mixture is the best for your chainsaw? Be sure that your oiler is adequately lubricating your bar and chain. //specify corresponding links below 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. Just took off the muffler and it all looks good. Clean your spark plug and measure the gap. A dirty arrestor, on the other hand, is the cause of overheating your experience in a bog down. Clogging usually occurs due to long working hours. 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! If the plug checks out, try removing it and spraying it with aerosol-based cleaner. The location of the fuel filter on a Poulan chainsaw varies depending on the model. 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. 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. There are many factors that cause a bog down, but mostly it is the carburetor orientation or blockage. The spark plugs spark quality degrades over time, making it impossible to ignite the air-fuel mixture in the combustion chamber. It has the exact ratio requirement of gas and oil for your specific model. It may not display this or other websites correctly. You will need a round file that matches the diameter of your cutters, a flat file, a file guide, and a depth-gauge guide. Be sure to check your models owners manual for the exact location of the fuel filter as it can vary from model to model. However, now it is acting odd. If the chainsaw continues to stall, the issue could be with the low-speed and idle screws, which should be adjusted. Top 11 Best Chainsaw Sharpener Tested for Sharpening 2023, How do Chainsaw Chaps Work? This causes your engines RPMs to increase to a set limit before decreasing. Chainsaw bogs on full throttle - OutdoorKing Repair Forum The engine needs a precise mixture of air and fuel to run efficiently, and when the ratio is off, it can bog down. Carburetors alone can be both the cause and the solution to a chainsaw bog down. stihl chainsaw bogs down when i give it gas 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. Another plausible explanation for the stalling is attributed to the percentage of ethanol in the fuel.Ethanol readily vaporizes and combines with water in the air to form water.This water stops combustion which is necessary for running the motor.Experts counsel that fuel containing up to 10% ethanol has a tendency to separate varnishes from the gas, resulting in accumulation in fuel lines and tank.The residue counters combustion in the carburetor. --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? Affiliate. Additionally, the choke might be stuck in either the open or closed position and preventing the engine from running properly. It requires an 8mm or 5/16" nut driver or wrench. Suppose that your chainsaws fuel mixture is correct, and youre still experiencing a lag in performance. Remove the carburetor and check it for damage, cleaning it if necessary. My Chainsaw Bogs Down When I Give It Gas; Causes and Solutions [2023]. As a preventative measure, always keep your tank vents clean. In most models, it can easily be located by taking off the top cover. The engine and its associated delivery system need to be airtight to maintain adequate temperature and pressure. The Low Speed is the setting I do 1st in or out a 1/4 turn to ensure no hesitation . Re: Chainsaw bogs on full throttle . I have cleaned the air filter, replaced the fuel filter to no effect. These are the low-speed screw (L), the idle screw (I), and the high-speed screw (H). Chainsaw bogs on full throttle #63708 18/04/15 11:39 PM. 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. Tips from a Professional. Cleaning Tips The goal when diagnosing issues with bogging down is to implement a quick fix and avoid any disassembly (like the carburetor). 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. Check the brake band for wear and tear. Ok I think I can share the pics from this site. It bogs down it seems and stalls out when I open the throttle. The engine should start by now. Just not sure what I am doing. And these issues can be solved if the problem is identified. myimages[2]="../../../images/top-banner/BladesFreeShip.jpg" 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. But soon loses power and bogs down. What Would Cause a STIHL Trimmer to Not Start? We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Weather is 30-50 when I'm cutting and I'm trying to run 40:1, 93 only. All fuel supply components must be independently examined to address these difficulties, as discussed in the following sections. Updated: 00/04/25 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. 8 Reasons a String Trimmer is Running Rough or Bogging Down I'm having trouble with my Stihl MS180 C-BE chainsaw. Air Filter Issues. You will also reduce kickbacks and increase the overall safety of operating your chainsaw. Once youve made the adjustments, make sure to monitor the performance of your saw over the next few days and readjust if necessary. 12 Reasons Your Stihl Chainsaw Starts, Stalls and Dies (FIXED) This handy guide will cover the common problems that cause bog down and how you can keep it from happening in the future. I guage the rakers and grind them when necessary. skytower, Oct 3, 2010. Now, remove the filter and clean the dust buildup using a brush. The new fuel doesn't really clog the carbs. If your chainsaw is bogging down, one of these critical components isnt in its correct balance. This is done by turning the air screw in either direction, depending on the engines response. If it is stuck, try loosening the nut to free it up. A restricted fuel flow will reduce the power of your Stihl chainsaw. 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. The answer is simple; you check your chainsaws owners manual. If the gas is supplied to the chainsaw then the filters can clog easily. var ry=Math.floor(Math.random()*myimages.length) Drain the fuel tank and store the gasoline in an appropriate container before bringing it out. Select gasoline with a minimum octane rating of 89 and a maximum ethanol content of 10%. Stihl ST251C Chainsaw Stalls when I depress the throttle. The idling (I) screw regulates the mass flow rate of the air-fuel combination entering the engine at idle. If the problems remain, examine the fuel lines and carburetor. 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. After checking and cleaning the filters, see if the carburetor orientation is proper. Start by identifying the carburetor on your saw. Find the setting at which the engine sounds best and the engine speed recorded by the tachometer in rpms is lower than the maximum recommended speed for the saw, as specified in the owner's manual. Dirty Spark Plug Causes a String Trimmer to Run Rough. The remedy is to close the screw, but closing it too far is dangerous for the engine. Then it loses power when cutting. As a landscape builder, he helped establish two gardening companies. The Job of the Carburetor 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. A carb cleaner spray is an excellent tool for eliminating sticky deposits from your jets and reviving your carburetor. Inspect the spark plug and replace it if necessary. Finally, the ignition system might need to be adjusted or repaired, and for this, you should contact a professional for assistance. Ok I got it posted. Now that you know how incorrectly mixed fuel can impact your chainsaw, its time to learn the correct way to combine the right fuel you need to get your motor up and running! When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. Jun 16, 2006. Additionally, it is a good idea to check the spark plug to make sure it is in good condition. 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 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. 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. Now take and post a picture so we can see the exhaust side of the piston. Hence, many people complain- chainsaw bogs down when I give it gas . The carburetor has three adjustment screws marked on it.