2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 79Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 79

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ENGINE Cylinder Head Inspection
Cylinder Head Warpage
Lay straight edge across the surface of the cylinder head at several different points and measure warpage by inserting feeler gauge be