Model #917273621 Craftsman lawn, tractor

Question and Answers


One spark plug is fine, the other one is wet and black and there is gas in the oil.


The problem with your tractor is best diagnosed by a technician. The problem might be as simple as a valve adjustment or as serious as an engine replacement.

I recommend you schedule service and get a Sears technician to diagnose and repair the problem.

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Jimmy K -
Sears Technician
April 01, 2010