NEXON BSVI MCE - SERVICE MANUAL

1.2L REVOTRON ENGINE 60 E. Cylinder Head Valve Seats Valve Seat Specification (1.2L NG TC REVOTRON) Dimension Intake Valve Exhaust Valve Valve Seat Diameter 32.42 +0.105/+0.080 mm 27.42 +0.085/+0.064 mm Maximum Runout of Valve Seat with Respect to Valve Guide Axis 0.030 mm 0.030 mm Valve Seat Insert Thickness 5.14 - 0.1 mm 4.8 - 0.1 mm Valve Seat Insert I.D. 27.0 ±0.1 mm 21.7 ±0.1 mm Valve Seat Bore I.D.(in cylinder head) Normal : 32.82 ± 0.1 Normal : 28.42 ± 0.1 Valve Seat Insert O.D. Normal : 33.92 +0.105 Normal 1 : 32.92 (+0.105/+0.080) Normal : 31.30 +0.1 Normal 1 : 27.92 (+0.085/+0.064) Valve Seat Insert Bore Angle 15 0 from vertical alignment with cylinder head mating surface