Model #917388951 CRAFTSMAN Walk Behind Lawnmower, Gas

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Question and Answers


How to adjust the engine speed on my lawn mower model 917.388951?


The speed of the lawnmower engine should only be adjusted by a technician with a tachometer. The speed of the engine determines the speed of the blade, the blade speed is regulated by law.

You need to take your lawnmower to a Sears Parts and Service Center or a Sears Retail Store for repair.

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Jimmy K -
Sears Technician
October 09, 2009

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