Valve Guide

DIMENSIONS
Valve Guide Internal Diameter 6.6 mm (0.260 inch)
Valve Guide Projection 17.0 mm (0.670 inch)
Oversize Valve Guide Hole Diameter:
0.05 O.S. 12.050 - 12.068 mm (0.4744 - 0.4752 inch)
0.25 O.S. 12.250 - 12.268 mm (0.4823 - 0.4831 inch)
0.50 O.S. 12.500 - 12.518 mm (0.4921 - 0.4929 inch)
Clearance Between The Valve Guide And Valve Stem
Standard Value:
Intake 0.020 - 0.050 mm (0.0008 - 0.0020 inch)
Exhaust 0.050 - 0.085 mm (0.0020 - 0.0035 inch)
Limit:
Intake 0.10 mm (0.0039 inch)
Exhaust 0.15 mm (0.0059 inch)