Valve Seat: Specifications

Valve Seat
Angle 44.5 - 45°
Seat Diameter-intake 34.37 - 34.63 mm (1.353 - 1.363 in.)
Seat Diameter-Exhaust 27.06 - 27.32 mm (1.065 - 1.075 in.)
Runout (Max.) 0.05 mm (0.002 in.)
Valve Seat Width-Intake and Exhaust 0.9 - 1.3 mm (0.035 - 0.051 in.)
Service Limit-intake 2.0 mm (0.079 in.)
Service Limit-Exhaust 2.5 mm (0.098 in.)