How tight should the chain be?
There isn’t an easy answer to this, but a little common sense can go a long way. You don’t want it dangling off the bottom of the bar, as this increases the wear on both the bar and the chain, and also increases the possibility that it will come off. You don’t want it super tight, because it will be putting unnecessary stress on the sprocket, bar, and chain. Rotate the chain a time or two on the bar to take up any slack at the sprocket, and tighten the chain ‘snug’ to the bar.
