While you wait for answers, we may have found some information which could help you.
Success
Message
transmission sears 917.2555581?
Screaming tiller?
What is the problem with my Sears Garden Tractor?
how to fix craftsman riding mower?
lawnmower problems?
Sears self propel lawnmower and the front wheels do not move?
Sears 30" rear engine rider won't turn off with the starter key?
Problems starting Lawn tractor (Sears Craftman)?
Mower cranks when primed, but after running a second or two dies?
why is the pto switch on my sears tractor burning out?
Sears 151/2 46" automatic drive 917.256552?
How do I set the float level in my carb?