Operation CHARM: Car repair manuals for everyone.

Valve Seat

Seat Width (b) Intake 1.3 - 2.5 Millimeter (mm)
Exhaust 1.5 - 2.5 Millimeter (mm)
Valve Seat Angle (a) 1.7716 In
Top Correction Angle 15 Mm (.5950 In)
Bottom Correction Angle 60 Mm (2.3622 In)
Permissable Deviation In Concentricity Of Valve Seat .05 Mm (0.0019 In)