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[timz]

i have a2006 craftsman lawn tractor with a 16.5 kohler motor while trying to start it i9t backfires thru the carburater any suggestions on cause ofthis problem

 

[Boobala]

i have a2006 craftsman lawn tractor with a 16.5 kohler motor while trying to start it i9t backfires thru the carburater any suggestions on cause ofthis problem

Usually indicates a "timing" issue, possible flywheel "key" sheared,... or valve setting .