Valve Seat

Valve Seat
Seat Angle 45°
Minimum Margin 0.635 mm (0.025 inch)
Seat Runout - Maximum 0.050 mm (0.002 inch)
Seat Width - Intake 1.53 - 2.03 mm (0.060 - 0.080 inch)
Seat Width - Exhaust 2.29 - 2.79 mm (0.090 - 0.110 inch)
Stem Height - All 49.15 - 50.17 mm (1.935 - 1.975 inch)
Stem Clearance - All 0.038 - 0.089 mm (0.0015 - 0.0032 inch)