before starting the process. When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber. Remove the filter from the tanks bottom and clean the stale gasoline deposits from the filters jets with a metal wire. The best way to clean the spark arrestor screen is to unplug the spark plug wire and use a metal brush. How do you know what the best gas-to-oil mixture is the best for your chainsaw? When not constructing or remodeling X-Ray Rooms, Cardiovascular Labs, and Pharmacies, you can find him at home with wife and two daughters. Look over all cables, connections, nuts, and screws to ensure that they are not damaged and need replacement. Location. 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). 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" Will start, sound fine, and work for a couple of minutes, until it gets warm. Maintenance is the key to sustenance. The dirt in the air filters can often cause the chainsaw to stall. Ok I got it posted. Check for any loosened nuts or screws and retighten if needed. The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. They all come with their fair share of technical issues. First, youll need to pull out your reading glasses and take a look at your chainsaws owners manual. */ On the first day the crew used it, it was bogging down. Too much or little fuel results in engine stalls.The three adjustment screws in the carburetor ((High speed, Low speed and idle) come in handy when preventing stalling.Adjusting the idle screw, for instance, is a corrective measure for a chainsaw stalling when idle. Maintenance is the key to avoiding all that. Finally, the ignition system might need to be adjusted or repaired, and for this, you should contact a professional for assistance. 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. Nearly every weekend you will find us doing small or big jobs or just enjoying our garden. 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. 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. If the spark plug looks good, check the fuel mix. More so, the chainsaw might bog and refuse to run when you give it gas. myimages[5]="../../../images/top-banner/cookie-mizer.jpg" Locate all the screws on the carburetor and check if they are all aligned. Get a carburetor repair kit before you begin clearing the blocked jets. Next, check the spark plug to make sure it is clean and properly connected. This jet is usually responsible for controlling the fuel/air mixture. You will need to position your file depth gauge so that the arrows are pointing toward the nose of the chainsaw bar. Ben has a bachelors degree in construction engineering. 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. Empty and clean, if needed. Generally, you will find the fuel filter on the fuel line, usually near the carburetor. Take the appropriate screwdriver and align them. 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. To identify air leakage, you will need to perform a pressure test on your 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 reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. By, Read More Chainsaw Too Much Compression: Causes & SolutionContinue, Your email address will not be published. If your chainsaws carburetor becomes clogged with dirt and debris, airflow is restricted and the chainsaws engine suffers. 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. The gasoline filter can be found at the bottom of your fuel tank. When the mixture in the carburetor is too lean, the engine races and overheats and the piston can seize. Adjust the idle speed. This may be one of the least anticipated causes of the problem, but it occurs in several cases. I have a MS250 that's only two years old and has barely been used. Suppose that your chainsaws fuel mixture is correct, and youre still experiencing a lag in performance. 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. Follow the re-assembly instructions which are usually supplied with the carburetor kit (Assuming all the jet screws and small parts are accounted for).Alternatively, you can use professional help.Usually, after thorough cleaning of the carburetor and filters, your stalling issues should disappear.However, if the problem persists you may need to enlist the help of a professional. Also, check the lubrication hole for debris and clean your bar groove. Then there's the problem of wood binding. #7. Remove the carburetor and check it for damage, cleaning it if necessary. 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}. Run the saw in idle and make sure the idle speed is consistent, and then rev it up and listen for any unexpected changes in engine noise. #1. This will keep your chain in place for the next steps. Check the return/recoil spring and starter. 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. 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. As mentioned before, most chainsaws will run on one of three gas and two-cycle engine oil mixtures. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-4','ezslot_20',165,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-4','ezslot_21',165,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-4-0_1');.leader-4-multi-165{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}Adjusting the carburetor on a Craftsman chainsaw is a relatively simple process, but there are several steps youll need to follow. } If your chainsaw is bogging down when you press the throttle, it can be a sure sign of an incorrect gas-to-oil ratio. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. 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. 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. Clogging usually occurs due to long working hours. 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. If user's chainsaw is bogging down than this is often a sign of improper gas-to-oil ratio. Clean and/or replace the spark arrestor screen. . Most manufacturers do not recommend adjusting the tuning of your chainsaws carburetor outside the hands of a trained professional. /* When the L or idle screws are not properly set, the idle RPMs fall too low, causing the engine to stalland eventually stop. The issue of chainsaw bog down can be very calamitous, and it oozes a great deal of frustration. There are a number of carburetor-related problems. Click to see full answer. If the spark plug is physically damaged, replace it. I didn't run straight gas through it and it isn't sized up so I am wanting to dig into the carb myself. Make sure they are closed at a distance and neither touching the engine and not too far from it. Thank You for all replies. function random_imglink2(){ Check the edges of the bar for burs and file off if needed. Re-attach the carburetor cover and test the saw. 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. Richard lives out in the wild with his other half, Diana Richard. 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. To check if theres a vapor lock, unscrew the tanks cap and put it back on again. Using a screwdriver, remove the air filter cover on the back of your chainsaw. As a result, the fuel drawn by the carburetor reduces, causing the engine to stop running. Inspect the spark plug and replace it if necessary. My name is Chris Ross. 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. Remove the Cutting Bar - This is probably one of the easiest steps in taking your chainsaw apart because there are only two bolts that need to be loosened before removing the bar completely. As previously stated, the carburetor comprises three screws (L, H, and I) for managing the engine RPMs at low, high, and idle speeds. 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. 2023 "Chainsaw Guru". The use of stale ethanol-blended fuel, which creates sticky white deposits over time, is the most typical source of such clogs. Use big lines will for fuel filter lines connected to the inside of the tank.Also, use smaller of two lines for return to the fuel tank from the carburetor from the primer bulb. It's all clean no cracks no discoloration nothing. Thoroughly inspect your throttle trigger. The solution is easy and you can do it within a few minutes. no never loaned it out. Rotate the saw and file the remaining teeth using the same angle and motions as before. If it needs to be cleaned, take care to not damage it by using compressed air or a soft brush. Be sure that your oiler is adequately lubricating your bar and chain. The rakers are angled low to high with the high end in front of the cutter. Adjust the screw using only turns before trying to start the trimmer again. Madsens Shop & Supply, Inc.: Carburetor Adjustment on Pro Saws, TEK Indoor Environmental: Stihl Chainsaw Carburetor Adjustment, Beautiful houseplants that also repel mosquitoes, cockroaches and other pests, The Tools for the Adjustment of the Carburetor on Craftsman Chainsaws. Now, remove the filter and clean the dust buildup using a brush. Other potential causes of bogging may include a spark plug that needs replacing, fuel that has gone bad, incorrect fuel-oil mixture, chain that is too tight, or even an over-revved engine. . A Detailed Guide, What Size Chainsaw Do I Need in 2023? imagelinks[4]="http://www.ezboardwalk.com/" This can also be caused by bad fuel. Locate their perfect setting at which the engine doesnt bog down when the throttle is applied. Turning the knob will either tighten or loosen the chain, depending on the direction the user turns the knob. Conclusion: Why Does My Chainsaw Bogs Down When I Give it Gas in 2023? The manual should give you the proper gas-to-oil ratio for your particular chainsaw. That should help improve the performance of the chainsaw and resolve the issue of your saw stalling when you give it gas. For example, if the carburetor is clogged, not tuned correctly, or is contaminated, it may not be metering the right amount of fuel. I think I am having the same problem with mine. Check cooling fins on the cylinder and clean if needed. A new chainsaw has some protocols to follow. Clean your chainsaw. Make sure it is moveable and not stuck in the open or closed position. on Chainsaws, Started by H60 Hawk Pilot Over 200+ free JavaScripts here! Chainsaw Vapor Lock. 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. If your Stihl chainsaw starts up with a reassuring puttering sound, but dies when you pull the throttle trigger, there likely is an issue with the fuel, but the carburetor could need. Any factor that might affect supply can cause the chainsaw to bog down. 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? Tips from a Professional. //-->,