Is replacing a chainsaw sprocket and clutch drum something I can do myself?

Yes, you can do it with a few basic tools — no dealer visit needed. You’ll need a socket wrench, piston stop, clutch removal tool, and possibly a puller. Steps: remove bar and chain, lock the piston, unscrew the left-hand thread clutch nut, pull the clutch, slide off the old drum, then reassemble in reverse. Match the sprocket pitch and gauge to your chain, and know whether your saw uses a rim or spur sprocket.