General Specifications

Cylinder Head Surface Flatness:
Standard Value; Less Than 0.005 mm (0.0020 inch)
Wear Limit; 0.1 mm (0.0040 inch)

Flatness Of Manifold Mounting Surface:
Standard Value; Less Than 0.15 mm (0.0059 inch)
Wear Limit; 0.30 mm (0.0120 inch)

Oversize Rework Dimensions Of Valve Seat Hole:
Intake:
1st Oversize; 35.300-35.325 mm (1.3898-1.3907 inch)
2nd Oversize; 35.600-35.625 mm (1.4016-1.4026 inch)
Exhaust:
1st Oversize; 33.300-33.325 mm (1.3119-1.3120 inch)
2nd Oversize; 33.600-33.625 mm (1.3228-1.3238 inch)

Oversize Rework Dimensions Of Valve Guide Hole:
Both Intake And Exhaust:
1st Oversize; 12.050-12.068 mm (0.4744-0.4751 inch)
2nd Oversize; 12.250-12.268 mm (0.4823-0.4830 inch)
3rd Oversize; 12.500-12 518 mm (0.4921-0.4928 inch)