VALVE GUIDE
Measure clearance between the valve guide and valve stem. If the clearance exceeds the limit, replace the valve guide or valve, or both.
Standard value
Intake 0.020 - 0.047 mm (0.0008 - 0.0019 inch)
Exhaust 0.030 - 0.054 mm (0.0012 - 0.0021 inch)
Limit
Intake 0.10 mm (0.004 inch)
Exhaust 0.15 mm (0.006 inch)
