Service Specifications

FLATNESS OF GASKET SURFACE:
Standard 0.03 mm (0.0012 inch)
Wear Limit 0.2 mm (0.008 inch)


GENERAL:
*Grinding Limit of Gasket Surface 0.2 mm (0.0079 inch)
Overall Height 119.9 - 120.1 mm (4.72 - 4.73 inch)

*NOTE: Includes/Combined With Cylinder Block Grinding.

VALVE GUIDE HOLE:
0.05 Oversize 11.05 - 11.07 mm (0.4350 - 0.4358 inch)
0.25 Oversize 11.25 - 11.27 mm (0.4429 - 0.4437 inch)
0.50 Oversize 11.50 - 11.52 mm (0.4528 - 0.4535 inch)

INTAKE VALVE SEAT RING HOLE:
0.30 Oversize 34.30 - 34.33 mm (1.3504 - 1.3516 inch)
0.60 Oversize 34.60 - 34.63 mm (1.3622 - 1.3634 inch)

EXHAUST VALVE SEAT RING HOLE:
0.30 Oversize 31.80 - 31.83 mm (1.2520 - 1.2531 inch)
0.60 Oversize 32.10 - 32.13 mm (1.2638 - 1.2650 inch)





TORQUE:
Use the special tool and a torque wrench to tighten the bolts to 103 - 113 Nm (76 - 83 ft. lbs.) of torque in the order shown in the illustration. Tightening should be done in two or three steps.

CAUTION: Install the head bolt washers with shear droop upward as shown in the illustration.