Valve, Intake/Exhaust

DIMENSIONS
Head Thickness
Intake
Standard 1.0 mm (0.039 inch)
Minimum Limit 0.6 mm (0.02 inch)
Exhaust
Standard 1.0 mm (0.039 inch)
Minimum Limit 0.7 mm (0.027 inch)

Stem
Outside Diameter
Intake 6.965-6.980 mm (0.2742-0.2748 inch)
Exhaust 6.950-6.965 mm (0.2737-0.2742 inch)
Radial Runout (Min.) 0.08 mm (0.003 inch)

Stem-to-Valve Guide Clearance
Intake
Standard 0.020-0.050 mm (0.0008-0.0019 inch)
Maximum Limit 0.070 mm (0.0027 inch)
Exhaust
Standard 0.035-0.065 mm (0.0014-0.0025 inch)
Maximum Limit 0.090 mm (0.0035 inch)