Valve Seat

Valve Seat Angle 44.5 degrees - 45.0 degrees
Valve Seat Runout (MAX) 0.051 mm 0.002 inch
Valve Seat Width
Intake 1.75 - 2.36 mm (0.0698 - 0.0928 in.)
Exhaust 1.71 - 2.32 mm (0.0673 - 0.0911 in.)
Guide Bore Diameter (Std.) 6.975 - 7.00 mm (0.2747 - 0.2756 in.)
Cylinder Head Warpage
(Flatness) 0.0508 mm (0.002 in.)