Chainsaw Dies after Letting off the Throttle. Tips from a Professional I would suggest that in the first instance the carburetor settings are checked. Updated: 00/04/25 Required fields are marked *. In case you have filled it wrong, drain it out and replace it with the correct mix. It's looking a little tricky to me. The dirt in the air filters can often cause the chainsaw to stall. To adjust the tension on the chain, the user simply turns a knob located near the drive sprocket. How To Adjust A Chainsaw - WHYIENJOY Stihl chainsaw engine ( motor ) bogging down things to check first. //specify random images below. It runs fine at all other times, cuts well and has good power. Chainsaw Dies When I Give It Gas | Backyard Mike When not constructing or remodeling X-Ray Rooms, Cardiovascular Labs, and Pharmacies, you can find him at home with wife and two daughters. For that you require a carburetor cleaner. 12 Reasons Your Stihl Chainsaw Starts, Stalls and Dies (FIXED) #7. If any part of that ratio is off (as previously mentioned), your chainsaw will experience a lag in performance. The main reason for an ECHO chainsaw to bog down is the dirty spark arrestor. 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. If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. Thoroughly inspect your throttle trigger. Then it loses power when cutting. A thick fuel mixture can cause excessive carbon around the spark plug, which can even kill a chainsaw. How do you know what the best gas-to-oil mixture is the best for your chainsaw? 5. First, disconnect the spark plug wire and turn the engine off. If your chainsaw wont stay running, there are several steps you can take to try and fix it before seeking professional help. With the carb apart, make sure all the passages are clear. I have never worked on anything this saw. If your chainsaw bogs down at full throttle, the air filter and . As a result, the fuel drawn by the carburetor reduces, causing the engine to stop running. The spark arrestor is a small screen that prevents the engine from emitting sparks. Why does the chainsaw bog down at full throttle? 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. Required fields are marked *. 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. 20,427 satisfied customers. How Do You Repair a Chainsaw That Wont Start? myimages[4]="../../../images/top-banner/ez50-banner.jpg" Stihl MS180 C-BE boggs down | IH8MUD Forum 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. Find the source of the issue and you can easily fix it. Stihl chainsaw engine ( motor ) bogging down things to check first. . Dirty filters are the main problem. Nowadays, most chainsaws use a 50:1 ratio, but some use a 40:1. Adjust the screw using only turns before trying to start the trimmer again. To remove it you need to depress a small tab and slide the fuel line off. In most models, it can easily be located by taking off the top cover. Rotate the saw and file the remaining teeth using the same angle and motions as before. Inspect the fuel line condition. The first step is to make sure that your chainsaw has enough fuel. ry=1 STIHL Chainsaws FAQs | STIHL Product FAQs - STIHL - The Number One ). . //specify corresponding links below These deposits affect the engines operation and may cause your chainsaw not to start. 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. Does Your Poulan Chainsaw Stall When Giving It Gas? 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. Why does my chainsaw stall when gas is given? Over time, the spark arrestor can become clogged with soot. This article will help you fix your chainsaw by yourself that starts well but dies just after you push the throttle. //specify corresponding links below Now that I'm all grown up with a wife and kids of my own, I hope to share all the knowledge I've gained over the years. If the fuel mix is old or has not been adjusted properly to the manufacturers specifications, refresh it or adjust it. Prevent oil from accumulating in the engine. var ry=Math.floor(Math.random()*myimages2.length) You are using an out of date browser. Dont forget that a maintained chainsaw is a working chainsaw! The (I) screw is a butterfly valve that controlsidle RPMs by raising or lowering the flow of the air-fuel mixture. Consider cleaning your carburetor and air/fuel filters if the problem persists. Register today and take advantage of membership benefits. There are three adjustment screws on the carburetor: low-speed (L), high-speed (H), and idling (I). Aside from the screw setting, you need to check and make sure that the spark plug is in prime working condition. This is usually behind the air filter, but if you have trouble locating it, consult your user manual. Tuning regulates the flow of fuel through the might be the last resort and for that, always seek professional help. (Why You Might Not Want to), Why Wont My Chainsaw Cut? Chainsaw Keeps Bogging Down? Here's What to Do - Crankfix.com You should attend to all of those anyway, before you give it a clean bill of health. 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. Check the fuel tank for the correct fuel and oil mixture, filling it up if necessary. On the first day the crew used it, it was bogging down. Chainsaw Bogs Down When Cutting 30:1 is recommended mostly for older models. 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. I have never worked on anything this small. It's all clean no cracks no discoloration nothing. Stihl carburetors have three adjustment screws. Check, clean, and replace (if necessary) the air filter. } Will start, sound fine, and work for a couple of minutes, until it gets warm. var imagelinks=new Array() Turn your chainsaws bar to ensure even wear and tear. Imagine you are about to cut down or in the middle of cutting down a tree or wood, and your chainsaw bog down. Following are the must-performed maintenance to prevent unwanted bog down. Chainsaw Vapor Lock. */ 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. Does Your Chainsaw Bogs Down When You Give It Gas? Here's What You Got When a screw (e.g., anL screw) is tightened, the fuel flow to the carburetor is restricted, causing the mixture to be lean. Once youve made the adjustments, make sure to monitor the performance of your saw over the next few days and readjust if necessary. Try to make the right call based on the cost and gravity of the issue. myimages[1]="../../../images/top-banner/ez50-banner.jpg" Stihl Chainsaw - starts but won't run - Houzz Being in the cutting services for more than 10 years, I know a thing or two about chainsaw. The fuel lines or ignition system may have beenaffected if the problems continue despite adjustment. my elevation is 640' above sea level. That should help improve the performance of the chainsaw and resolve the issue of your saw stalling when you give it gas. 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. Use low pressure compressed air, and a stiff paint brush bristle to check them all. Save my name, email, and website in this browser for the next time I comment. The reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. The idling (I) screw regulates the mass flow rate of the air-fuel combination entering the engine at idle. 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. It is possible that your Stihl chainsaw is dying when you give it gas if the carburetor, spark plug, chain, or air filter is malfunctioning. The answer is simple; you check your chainsaws owners manual. The imbalance of these components is one of the major reasons for bogging down. All help is appreciated. To identify air leakage, you will need to perform a pressure test on your chainsaw. Check for any loosened nuts or screws and retighten if needed. Do not store a dirty chainsaw. You will also reduce kickbacks and increase the overall safety of operating your chainsaw. Over 200+ free JavaScripts here! How to Prevent Your Chainsaw from Bogging Down, How Much Compression Should a Chainsaw Have, How to Replace Fuel Lines on a Poulan Chainsaw, How To Reset Echo 58-Volt Battery Charger, Chainsaw Too Much Compression: Causes & Solution. To rule out any of these as a potential cause, its important to first check the air filter. He tests chainsaws based on Chainsaw Bogs When on its Side?!?!? - Hearth.com Forums Home +1-213-221-0119, By using this website I agree with the Disclaimer. If there is none, then take off the cover and locate the carburetor. I have a MS250 that's only two years old and has barely been used. Correct mixing of fuel ingredients. on Chainsaws, Started by H60 Hawk Pilot If the compression is low, you should clean and check for any damage or wear. If the spark arrestor is clogged, the chainsaw may run stall or run rough. Clean air intake slots on the housing of the starter and inspect your starter cord for any damage. Test your stop switch to make sure that it completely stops the motor. Clogging usually occurs due to long working hours. Re: Stihl MS 180C running problems, bogging down, fuel starvation?? If your chainsaw cannot get enough of either one of those critical components, it will cause the motor to stall. imagelinks[6]="http://www.ezboardwalk.com/" This blog is written by a group of Garden Tool enthusiasts. Tuning of the screws to adjust and align them. Garden Tool Expert Air Filter Issues. Turning the knob will either tighten or loosen the chain, depending on the direction the user turns the knob. Chainsaw Bogs Down? (4 Main Reasons + Solution) - Wood Hungry Anyone have any suggestions? A restricted fuel flow will reduce the power of your Stihl chainsaw. Heres a quick rundown of daily, weekly, and monthly maintenance tips: Chains will loosen over time and use. The standard compression reading required for most 2-cycle chainsaw is around 100-110 psi to start. Remove the air filter from its housing using a screwdriver. 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. 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. document.write('') Ben has a bachelors degree in construction engineering. 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. 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. Location. The spark arrestor is behind the muffler. Knowing how to mix fuel properly is the first step to ensuring that your chainsaw will stay up and running for years to come. 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. Stihl MS 170 bogging down, no power | Arborist, Chainsaw & Tree Work Forum Re-attach the carburetor cover and test the saw. Oct 29, 2011. 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. Bogging down is a universally hated issue by everyone and anyone who uses a chainsaw. Finally, check the choke. Weather is 30-50 when I'm cutting and I'm trying to run 40:1, 93 only. Dirty Spark Plug Causes a String Trimmer to Run Rough. Start by identifying the carburetor on your saw. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. 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. Using a screwdriver, remove the air filter cover on the back of your chainsaw. 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! As a result, the engine runs at too high or too low RPMs. No Power at Full Throttle on My Stihl MS 170 | eHow If your chainsaws carburetor is not clogged, the tuning of your carburetor may be to blame. The new fuel doesn't really clog the carbs. Allow the cleaner to sit for five to 10 minutes and then wipe away with a cloth. Its all about adjusting the carburetor, and a slight change in the orientation can lead to Chainsaws Bog. 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. Something may be amiss in the low or high speed circuit of the carb. Why does my Stihl chainsaw bog down when I give it gas? 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}. random_imglink() To keep your chainsaw running smoothly, you should service it regularly and keep up scheduled maintenance visits with a reputable, authorized chainsaw service center. Currently I live in Austin, United States. Next, youll need to gather the right supplies for the job at hand. 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. I hope my epic guides will help you to choose,buy and maintain chainsaw. No matter how tight the seal on the tank is, replace the gas every three months and use stabilizer. First and foremost, you should check that you are using the correct fuel and oil mixture for your chainsaw. myimages2[2]="../../../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. 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. 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. 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. Move the piston up in bore a bit more so we can see the piston below the ring and turn your flash off. Chainsaw starts but dies when I give it gas. How Much Power Do Stihl 031 AV Chain Saws Have? Why Is My Chainsaw Bogging Down? (3 Common Causes) 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. After the overhaul of the piston assembly I used this saw to cut up three rather large downed trees, and some other work. They all come with their fair share of technical issues. For example, if the carburetor is clogged, not tuned correctly, or is contaminated, it may not be metering the right amount of fuel. Other indicators that your chainsaw may be suffering from carburetor troubles are overheating or excessively smoky exhaust. } //-->,