2003-2005 Suzuki LT-A500F Service Manual, Page 75Get this manual

2003-2005 Suzuki LT-A500F Service Manual, Page 75

After the desired seat position and width is achieved, use the 45 cutter very lightly to clean up any burrs caused by the
clearance after the cylinder head has been reinstalled(2-6) Clean and assemble the head and valve componentsFill the intake
and exhaust ports with gasoline to check for leaks If any leaks occur, inspect the valve seat and face for burrs or other
things that could prevent the valve from sealingAlways use extreme caution when handling gasolineVALVE STEM END CONDITION
Inspect the valve stem end face for pitting and wearIf pitting or wear of the stem end face are present, the valve stem end