Valve, Intake/Exhaust

SERVICE SPECIFICATIONS
Valve Stem Diameter:
Intake:
Standard 6.965-6.980 mm (0.2742-0.2748 inch)
Exhaust
Standard 6.950-6.965 mm (0.2737-0.2742 inch)
Stem To Guide Clearance:
Intake:
Standard 0.20-0.050 mm (0.0008-0.0019 inch)
Limit 0.07 mm (0.0027 inch)
Exhaust:
Standard 0.035-0.065 mm (0.0014-0.0025 inch)
Limit 0.09 mm (0.0035 inch)
Valve Stem End Deflection Limit:
Intake 0.14 mm (0.005 inch)
Exhaust 0.18 mm (0.007 inch)
Valve Head Thickness:
Standard 1.0 mm (0.039 inch)
Limit:
Intake 0.6 mm (0.023 inch)
Exhaust 0.7 mm (0.027 inch)
Standard Seating Width Revealed By Contact Pattern On Valve Face:
Intake 1.3-1.5 mm (0.0512-0.0590 inch)
Exhaust 1.3-1.5 mm (0.0512-0.0590 inch)