Valve Seat: Specifications

Angle 45°
Runout (Max.) 0.050 mm (0.002 inch)
Width (Finish) Intake and Exhaust 0.9 - 1.3 mm (0.035 - 0.051 inch)
Guide Bore Diameter (Std) 11.0 - 11.02 mm (0.4330 - 0.4338 inch)
Finish Guide Bore ID 5.975 - 6.000 mm (0.235 - 0.236 inch)