Valve Guide

VALVE STEM TO GUIDE CLEARANCE SPECIFICATION
Exhaust
Standard Value 0.05 - 0.09 mm (0.0020 - 0.0035 inch)
Wear Limit 0.15 mm (0.0059 inch)
Intake
Standard Value 0.03 - 0.06 mm (0.0012 - 0.0024 inch)
Wear Limit 0.10 mm (0.0039 inch)

OVERSIZE SPECIFICATIONS
1st Oversize (marked 5)
Guide Oversize 0.05 mm (0.002 inch)
Cylinder Head Bore 13.050 - 13.068 mm (0.5140 - 0.51451 inch)
2nd Oversize (marked 25)
Guide Oversize 0.25 mm (0.010 inch)
Cylinder Head Bore 13.250 - 13.268 mm (0.5217 - 0.5224 inch)
3rd Oversize (marked 50)
Guide Oversize 0.50 mm (0.020 inch)
Cylinder Head Bore 13.500 - 13.518 mm (0.5315 - 0.5322 inch)