Valve Seat: Specifications

Valve seat width
Exhaust 1.80 - 2.56 mm (0.071 - 0.101 inch)
Intake 1.48 - 2.24 mm (0.058 - 0.088 inch)
Valve seat runout 0.0035 mm (0.0014 inch)
Valve seat angle
Exhaust 37.5 degrees
Intake 30 degrees