Valve, Intake/Exhaust

Valve Overall Length:
Intake:
Standard Value 106.28 mm (4.1842 inch)
Limit 105.78 mm (4.1646 inch)
Exhaust:
Standard Value 105.40 mm (4.1496 inch)
Limit 104.90 mm (4.1299 inch)
Valve Thickness Of Valve Head (Margin):
Intake:
Standard Value 1.0 mm (0.039 inch)
Limit 0.7 mm (0.028 inch)
Exhaust:
Standard Value 1.5 mm (0.059 inch)
Limit 1.0 mm (0.039 inch)
Valve Stem Diameter:
Intake 6.6 mm (0.260 inch)
Exhaust 6.5 mm (0.256 inch)
Valve Stem To Guide Clearance:
Intake:
Standard value 0.02 - 0.05 mm (0.0008 - 0.0020 inch)
Limit 0.10 mm (0.004 inch)
Exhaust:
Standard Value 0.05 - 0.09 mm (0.0020 - 0.0035 inch)
Limit 0.15 mm (0.006 inch)
Valve Stem Projection:
Intake:
Standard Value 47.10 mm (1.8543 inch)
Limit 47.60 mm (1.8740 inch)
Exhaust:
Standard Value 46.60 mm (1.8346 inch)
Limit 47.10 mm (1.8543 inch)
Valve Face Angle 45° - 45.5°