Operation CHARM: Car repair manuals for everyone.

Valve Seat

Seat Angle 45 degrees
Seat Runout-Maximum 0.050 mm (0.002 inch)
Seat Width-Intake 1.53-2.03 mm (0.060-0.080 inch)
Seat Width-Exhaust 2.29-2.79 mm (0.090-0.110 inch)