General Specifications

DIMENSIONS
Cylinder head flatness:
Standard value Less than 0.05 mm (0.0020 inch)
Limit 0.10 mm (0.0040 inch)
Manifold Mounting Surface Flatness:
Standard value Less than 0.15 mm (0.0059 inch)
Limit 0.30 mm (0.0118 inch)
Rework Dimensions For Oversize Intake Valve Seat:
1st. O/S 0.30 mm (0.0012 inch) 28.800-28.825 mm (1.1340-1.1350 inch)
2nd. O/S 0.60 mm (0.0024 inch) 29.100-29.125 mm (1.1460-1.1467 inch)
Rework Dimensions For Oversize Exhaust Valve Seat:
1st. O/S 0.30 mm (0.0012 inch) 34.300-34.325 mm (1.3500-1.3510 inch)
2nd. O/S 0.60 mm (0.0024 inch) 34.600-34.625 mm (1.3620-1.3630 inch)
Rework Dimensions For Oversize Valve Guide:
1st. O/S 0.05 mm (0.0020 inch) 11.050-11.068 mm (0.4350-0.4357 inch)
2nd. O/S 0.25 mm (0.0100 inch) 11.250-11.268 mm (0.4430-0.4436 inch)
3rd. O/S 0.50 mm (0.0200 inch) 11.500-11.518 mm (0.4530-0.4535 inch)
Width Of Valve Seat Contact
Intake 0.800-1.200 mm (0.0310-0.0470 inch)
Exhaust 1.500-1.900 mm (0.0590-0.0750 inch)
Seat Angle 45°