1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 296Get this manual
ENGINES Magnum Engine DisassemblyInspection
Cylinder Head Warpage
1Lay straight edge across the surface of the cylinder head at several different pOints and measure warpage by inserting feeler gauge between the straight edge and the cylinder head surfaceIf warpage exceeds the service limit, replace the cylinder head
Cylinder Head Disassembly
WARNING: Wear eye protection or face shield during cylinder head disassembly and reassemblyNOTE: Keep all parts in order with respect to their location in the cylinder head