We may have found other answers which could help you.
Click here for Adjust Sears ModelMower cranks when primed, but after running a second or two dies?
Screaming tiller?
What is the problem with my Sears Garden Tractor?
lawnmower problems?
Problems starting Lawn tractor (Sears Craftman)?
Sears 30" rear engine rider won't turn off with the starter key?