If you burn cds for your personal use from LimeWire and do not sell the is that illegal?

The legality of burning CDs for your personal use from LimeWire depends on the copyright status of the content you're copying. If you're burning copyrighted content without permission from the rights holder, it is generally considered to be illegal. LimeWire is known for facilitating illegal file sharing, so it's likely that the content you download is copyrighted.