Valve Seat

Valve Seat Width - Exhaust 1.651-2.489 mm (0.065-0.098 inch)
Valve Seat Width - Intake 1.016-1.651 mm (0.040-0.065 inch)
Valve Seat Angle 46 degrees
Valve Seat Runout 0.05 mm - Maximum (0.002 inch - Maximum)