While you wait for answers, we may have found some information which could help you.
Click here for Riding Mower Drive BeltNeed to stop carb leak on old Sears Model 917298131 tiller?
Problems starting Lawn tractor (Sears Craftman)?
transmission sears 917.2555581?
why is the pto switch on my sears tractor burning out?
Sears 30" rear engine rider won't turn off with the starter key?
Sears 151/2 46" automatic drive 917.256552?