s1642 scott lawn tractor I'm about ready to screamneed help. The mower only starts when it wants to. I checked th 15 amp fuse it is good thought it was battery had it checked out battery was good .I came home from getting bttery checked out and put battery in mower though I would give it a try it started first try. I drove it around the yard no problems. I turned if off try to restart and guess what nothing go figure. Can someone please me.