Originally Posted by Omaha
Are you doing this with someone who knows how to do it? Your description of a kettlebell swing (squat, lift) makes me think you're doing it wrong.
Also, light weight does not equal weight loss. Don't be afraid of heavy weight, but make sure you're doing your swings with good form.
Here's what I'm doing, only I don't bend over that much. I squat a little more than I bend over.