Lazarus, my spare GT14 which is carrying load of grass duty until after the show was running excellent. It just stopped running while mowing.   i initially thought I had a fuel issue or dead fuel pump or something. I rolled it to the side to troubleshoot later. Well last weekend I did some investigating and I had no spark. I swapped trigger with one I had scavenged off my GT14 parts tractor. I had cleaned it up but never tested it or proved it good. Same resulted.   Tractor s