Valve: Specifications

Clearance
To Guide See: Valve Guide
Lash (Collapsed Tappet) 0.50-1.11 mm (0.019-0.043 inch)
Face
Angle 45.5°
Margin Thickness
Exhaust and Intake 0.79 mm (1/32 inch)
Runout, Maximum 0.05 mm (0.001 inch)
Head Diameter
Intake 35 mm (1.38 inch)
Exhaust 30 mm (1.18 inch)
Gauge Diameters 31 and 24.5 mm (1.22 and 0.96 inch)
Lift @ Zero Lash (Theoretical)
All 9.80 mm (0.388 inch)
Stem Diameter
Intake 5.975-5.995 mm (0.2350-0.2358 inch)
Exhaust 5.950-5.970 mm (0.2343-0.2350 inch)
Stem Refinishing, Max 0.25 mm (0.010 inch)