Valve: Testing and Inspection

1. Clean valves thoroughly and discard burned, warped and cracked valves.
2. Measure valve stems for wear. Measure stem about 60 mm beneath the valve lock grooves.
3. If valve stems are worn more than 0.05 mm (0.002 inch), replace valve.

NOTE: Clean all valve guides, valves and valve spring assemblies thoroughly with suitable cleaning solution before reassembling.