L and H on your chainsaw. } When dropping a tree, what are you guys watching?. Besides causing poor performance in the cut, the fuel that doesn't burn produces smoke that fouls the spark plug and air filter, which compounds performance problems. If you don't keep the blade oiler reservoir filled, you will have dulled blades, damaged bars, and generally poor performance. 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. Top 11 Best Chainsaw Sharpener Tested for Sharpening 2023, How do Chainsaw Chaps Work? Stihl MS 180C running problems, bogging down, fuel starvation?? The speed would be perfect, and there would be no unusual sound when the screws are properly aligned. Stalling is a symptom of a complication in the chain-saw. If the fuel you are using is too old or is diluted, your chainsaw will not work correctly. A clean and fixed carburetor is key to achieving full throttle performance. Find the screw to adjust the idle speed. Found the problem. This can usually be done by turning the adjustment screw clockwise. Drain the fuel tank and store the gasoline in an appropriate container before bringing it out. Clean it with a wire brush. Finally, the ignition system might need to be adjusted or repaired, and for this, you should contact a professional for assistance. myimages[3]="../../../images/top-banner/LX25-FreeShipping.jpg" A restricted fuel flow will reduce the power of your Stihl chainsaw. Bog down can also occur in the case of a dirty air filter, spark arrestor, or carburetor. 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. 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. (3 Common Causes). Now, remove the filter and clean the dust buildup using a brush. imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" 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. 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. Following are the must-performed maintenance to prevent unwanted bog down. 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. For instance: It is impossible not to lose power when the firewood chainsaw is being used constantly. I think I am having the same problem with mine. Please loginor register. Most Craftsman models have either a standard Walbro or a Zama carburetor. Detailed Answer. Make sure to properly lubricate your chain with chain oil and check the compression in the cylinder. To adjust the tension on the chain, the user simply turns a knob located near the drive sprocket. myimages[5]="../../../images/top-banner/cookie-mizer.jpg" Make sure to take out the spark plug before removing the filter. Working outdoors can be such a cathartic experience. Test your stop switch to make sure that it completely stops the motor. Dirty Spark Plug Causes a String Trimmer to Run Rough. I read on here the other day some carbs can be damaged with compressed air.That would explain why sometimes they cant be fixed maybe the air is ruining something like a check valve I will wait for the masters to chime in on that. //-->,