4-25VALVES AND VALVE SPRINGS ENGNOTE:5. Measure: valve margin thickness aOut of specification Replace the valve.Valve margin thickness0.6 mm 0.8 mm: 0.5mm6. Measure: valve stem runoutOut of specification Replace the valve. When installing a new valve, always replacethe valve guide. If the valve is removed or replaced, always re-place the oil seal.Valve stem runout0.04 mmEAS00240CHECKING THE VALVE SEATSThe following procedure applies to all of thevalves and valve seats.1. Eliminate: carbon deposits(from the valve face and valve seat)2. Check: valve seatPitting/wear Replace the cylinder head.3. Measure: valve seat width aOut of specification Replace the cylinderhead.Valve seat widthIntake: 0.9 1.1 mm: 1.6 mm
