
Stihl chainsaw carburetor adjustment screws. Put the chainsaw on a flat level surface and ensure nothing is in contact with the chain. La idle speed screw this controls the engine speed at idle. Adjusting air and fuel on the stihl chainsaw is a fairly easy job. How to adjust the air and fuel on a stihl chainsaw.
This video basically explains the role of the carburetor adjustment mixture screws and their. Locate three carburetor adjustment screw found on the side of the fan housing and start. It goes out of adjustment quite quick after you have used the chainsaw for a while tuning it. Carburetor adjustment screwshow they work.
Before adjusting a craftsman chainsaw carburetor you will need to have a small flathead screwdriver and a piece of wood. How a chainsaw carburetor worksfuel holes. If set too high the chain will run. Kbingo exhaust muffler with gasket bolt screws for stihl 024 026 ms240 ms260 chainsaws replaces 1121 140 0604 1121 140 0605 1121 140 140 0606 34 out of 5 stars 3 1999 19.
Now it runs way too fast at idle to the point the chain doesnt stop. The fuel and air mixture in any gasoline powered engine is regulated by the carburetor and the carburetor in a stihl chainsaw is pre factory adjusted to provide the best performance. If set too low the saw will die. The fuelair mixture in any gasoline powered engine is regulated by the carburetor and the carburetor in a stihl chainsaw is factory adjusted.
I took apart my ms 250 over the weekend and gave it a once over.