Craftman saws just aren't worth the money to fix a scored piston unless it's one thats 40 or 50 yrs old or more.
Even though Sears prices are way too high for a so so cheap saw! New Homelites are even better!
Buy a Stihl, Husqvarna or Jonsered ,even an Echo if you want one that will outlast you!
Mike E.
September 2008