We may have found other answers which could help you.
Click here for Pto Switch TractorSears self propel lawnmower and the front wheels do not move?
Problems starting Lawn tractor (Sears Craftman)?
Mower cranks when primed, but after running a second or two dies?
Sears 30" rear engine rider won't turn off with the starter key?
transmission sears 917.2555581?
lawnmower problems?