5 Signs Your Chainsaw Chain Needs Sharpening

Sharpen every time you refuel One sharpening per tank of gas is the easiest rule to follow. Dull chains are dangerous—they make you push harder, overheat the bar, and increase kickback.

Sawdust turns from coarse chips to fine powder Coarse chips mean a sharp chain. Fine, dusty sawdust means the chain is dull and needs filing.

The chain pulls to one side instead of cutting straight A sharp chain cuts straight. If it veers off, the teeth are uneven or dull.

You have to bear down to make it bite A sharp chain self-feeds into the cut. If you need to force it, stop and sharpen.

You see smoke or smell burnt wood Smoke or a burnt smell means the chain is too dull to cut and is rubbing instead. You have waited too long.