Valve Guide

DIMENSIONS

Cylinder Head Guide Hole Diameter
Standard
Intake and Exhaust: 9.975 - 9.996 mm (0.3927 - 0.3935 inch)
Service
Intake and Exhaust: 10.175 - 10.196 mm (0.4006 - 0.4014 inch)

Inner Diameter (Finished Size)
Intake and Exhaust: 6.000 - 6.018 mm (0.2362 - 0.2369 inch)

Interference Fit
Intake and Exhaust: 0.027 - 0.059 mm (0.0011 - 0.0023 inch)

Outer Diameter
Standard
Intake and Exhaust: 10.023 - 10.034 mm (0.3946 - 0.3950 inch)
Service
Intake and Exhaust: 10.223 - 10.234 mm (0.4025 - 0.4029 inch)

Projection "L"
Intake and Exhaust: 12.6 - 12.8 mm (0.496 - 0.504 inch)

Stem To Guide Clearance
Standard
Intake: 0.020 - 0.053 mm (0.0008 - 0.0021 inch)
Exhaust: 0.040 - 0.073 mm (0.0016 - 0.0029 inch)
Maximum (Tolerance) Limit
Intake: 0.08 mm (0.0031 inch)
Exhaust: 0.1 mm (0.004 inch)

Valve Deflection Limit
Intake: 0.24 mm (0.0094 inch)
Exhaust: 0.28 mm (0.0110 inch)