Why does the ECHO chainsaw bog down when cutting? I. Clean it with a wire brush. It has the exact ratio requirement of gas and oil for your specific model. We pulled out the carb and opened it up, and the check valve looked perfect and everything was as clean and shiny as you'd expect a basically brand new saw to look. 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. Bog down is mostly experienced on full throttle. The Forestry Forum is sponsored in part by: Go ahead and buy a new fuel filter. It is experienced during welding, idling, or full throttle. If the chain is loose or dull it may result in the saw not having enough power to keep running. A clogged air filter or spark plug can cause your chainsaw to start and then stop. Bog down is straight-up the most infuriating issue when using a chainsaw. When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber. Will start, sound fine, and work for a couple of minutes, until it gets warm. 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(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. Oct 29, 2011. I didn't run straight gas through it and it isn't sized up so I am wanting to dig into the carb myself. Stihl MS 170 bogging down, no power | Arborist, Chainsaw & Tree Work Forum 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. 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. Apr 16, 2009. Hence, many people complain- chainsaw bogs down when I give it gas . Clear all dirt and debris from the saw body, chain, and bar. Step Three. You can have as many as you wish This dirt and debris can build up and create a clog. 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. 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. 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(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. A Stihl chainsaw can bog down for a variety of reasons. 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. Take great care in removing the smaller parts and remove any debris or build up in the carburetor. Sounds like a blocked passage somewhere to me. Carburetors alone can be both the cause and the solution to a chainsaw bog down. document.write('') How do you know what the best gas-to-oil mixture is the best for your chainsaw? Page created in 1.341 seconds with 39 queries. For a better experience, please enable JavaScript in your browser before proceeding. Finally, replace the fuel filter and air filter and reconnect the spark plug. Finally, check the choke. Curtis B. If the problems remain, examine the fuel lines and carburetor. I think I am having the same problem with mine. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. It has a new spark plug, clean air filter, n Welcome, Guest. Stihl Chainsaw - starts but won't run - Houzz (Read 66824 times) (Read 66824 times) 0 Members and 2 Guests are viewing this topic. 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. All STIHL gasoline-powered engines can be used with up to a 10% (E10) blend of ethanol in the gasoline/engine oil mix. Fuel stabilizers are a must-have for any chainsaw owner who fanciesleaving their equipment idle.They help prevent gum formation in fuel tanks. Home Why Is My Chainsaw Bogging Down? Clean or replace filters located in the fuel tank of your chain saw. Answer: Yes, a chainsaw can bog down if gas is supplied to it. Inspect the fuel line condition. Most engine problems can be solved with the previously mentioned adjusting procedure. Wash it in soapy water with a soft-bristle brush. Cant get a good picture becouse of the glare of the piston. To identify air leakage, you will need to perform a pressure test on your chainsaw. Following are the must-performed maintenance to prevent unwanted bog down. I tried putting new gas in it and starting it up but it didn't make a difference. Also cleaned muffler and replaced spark arrestting screen.All with no luck. Take the appropriate screwdriver and align them. It runs fine at all other times, cuts well and has good power. #7. if (ry==0) The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. Because of continuous firing, the spark plugs electrodes become damaged or acquire carbon deposits, reducing spark quality. This is usually behind the air filter, but if you have trouble locating it, consult your user manual. Detailed Answer. If your chainsaw bogs down after pulling the throttle, the air/fuel delivery system needs to be examined. One of these is not being fed to the chainsaw in the proper ratio. imagelinks[4]="http://www.ezboardwalk.com/" 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. Confirm for water and debris in your fuel tank. On most models it is either just below or just above the carburetor and secured with a metal clip. 453 S Spring St Ste 400 The H side means the high side and its adjustment.It is used to regulate the quantity of fuel that flows through the carburetor during fast paced RPMS.The L side of the chainsaw means the low side and it is used in adjusting the flow of fuel in the carburetor when there is a low RPM. Use a 50:1 gas-to-oil mixture in your 2-cycle Stihl chainsaw. You should use mid-grade unleaded gasoline with a minimum octane rating of 89 and a premium two-cycle oil. If the spark arrestor is clogged, the chainsaw may run stall or run rough. Once the faulty seal or gasket is identified, it needs to be replaced, and the engine should be up and running. There is no hiding from dirt. Stihl MS250 dies when I give it gas. | Arborist, Chainsaw & Tree Work Forum Nowadays, most chainsaws use a 50:1 ratio, but some use a 40:1. Stihl Chainsaw - Chainsaw Starts Then Stalls - Repair Clinic Why does the chainsaw bog down at full throttle? Clogging usually occurs due to long working hours. Maintenance is the key to sustenance. This jet is usually responsible for controlling the fuel/air mixture. function random_imglink2(){ This can be quite annoying, especially when you have loads of work piled up and a mechanic isnt available. The air supply is equally as important as fuel for a combustion engine. 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). When not constructing or remodeling X-Ray Rooms, Cardiovascular Labs, and Pharmacies, you can find him at home with wife and two daughters. When the mixture in the carburetor is too lean, the engine races and overheats and the piston can seize. These are the low-speed screw (L), the idle screw (I), and the high-speed screw (H). It could even bog down when given gas. Remove the carburetor and check it for damage, cleaning it if necessary. STIHL Chainsaws FAQs | STIHL Product FAQs - STIHL - The Number One Any factor that might affect supply can cause the chainsaw to bog down. Re-attach the carburetor cover and test the saw. Consider cleaning your carburetor and air/fuel filters if the problem persists. 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) . That explains why they run worse after i rebuild them! What Would Cause a STIHL Trimmer to Not Start? After this, check the air filter and carburetor for dirt and debris. This issue can be fixed with the help of the user manual you received with the chainsaw. Adjust the idle speed. If the idle screw is too loose, the mixture will be too rich, and the chainsaw will not run at all, even at idling. 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. Author Topic: Stihl MS 180C running problems, bogging down, fuel starvation?? In case you have filled it wrong, drain it out and replace it with the correct mix. If the air filter is clean, then the spark plug should be cleaned and gap adjusted to the manufacturers specifications. 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. Stihl carburetors have three adjustment screws.