Cylinder Head
CYLINDER HEAD SPECIFICATION TABLE
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Head | Warpage | - | - | 0.05 mm (0.0020 in) |
| Height | - | 120.95-121.05 mm (4.7618-4.7657 in) | - | |
| Camshaft | End play | - | 0.05-0.20 mm (0.002-0.0079 in) | 0.20 mm (0.0079 in) |
| Camshaft-to-holder oil clearance | - | 0.050-0.089 mm (0.00197-0.00350 in) | 0.15 mm (0.0059 in) | |
| Total runout | - | 0.03 mm (0.0012 in) | 0.04 mm (0.0016 in) | |
| Cam lobe height | Intake (No. 1, No. 2, No. 3, and No. 4 CYLINDERS) | 35.155 mm (1.38405 in) | - | |
| Intake (Front, No. 5, 6 CYLINDERS) | 35.155 mm (1.38405 in) | - | ||
| Exhaust (No. 1, No. 2, No. 3, and No. 4 CYLINDERS) | 36.537 mm (1.43846 in) | - | ||
| Exhaust (Front, No. 5, 6 CYLINDERS) | 36.512 mm (1.43748 in) | - | ||
| Valve | Clearance (cold) | Intake | 0.20-0.24 mm (0.0079-0.0094 in) | - |
| Exhaust | 0.28-0.32 mm (0.011-0.013 in) | - | ||
| Stem O.D. | Intake | 5.485-5.495 mm (0.21594-0.21634 in) | 5.455 mm (0.21476 in) | |
| Exhaust | 5.450-5.460 mm (0.21457-0.21496 in) | 5.420 mm (0.21339 in) | ||
| Stem-to-guide clearance subtract the O.D. of the valve stem | Intake | 0.020-0.045 mm (0.00079-0.00177 in) | 0.08 mm (0.0031 in) | |
| Exhaust | 0.055-0.080 mm (0.00217-0.00315 in) | 0.11 mm (0.0043 in) | ||
| Valve seat | Width | Intake | 1.25-1.55 mm (0.0492-0.0610 in) | 2.00 mm (0.0787 in) |
| Exhaust | 1.25-1.55 mm (0.0492-0.0610 in) | 2.00 mm (0.0787 in) | ||
| Stem installed height | Intake | 46.75-47.55 mm (1.8405 -1.8720 in) | 47.80 mm (1.8819 in) | |
| Exhaust | 46.68-47.48 mm (1.8378-1.8693 in) | 47.73 mm (1.8791 in) | ||
| Valve guide | I.D. | Intake | 5.515-5.530 mm (0.21713-0.21772 in) | 5.55 mm (0.2185 in) |
| Exhaust | 5.515-5.530 mm (0.21713 -0.21772 in) | 5.55 mm (0.2185 in) | ||
| Installed height | Intake | 21.20-22.20 mm (0.8346-0.8740 in) | - | |
| Exhaust | 20.60-21.60 mm (0.811-0.8504 in) | - | ||
| Rocker arm | Arm-to-shaft clearance | Intake (No. 1, No. 2, No. 3, and No. 4 CYLINDERS) | 0.015-0.046 mm (0.0006-0.0018 in) | 0.046 mm (0.00181 in) |
| Intake (No. 5, 6 CYLINDERS) | 0.018-0.056 mm (0.00071-0.00220 in) | 0.056 mm (0.00220 in) | ||
| Exhaust (No. 1, No. 2, No. 3, and No. 4 CYLINDERS) | 0.015-0.046 mm (0.0006-0.00181 in) | 0.046 mm (0.00181 in) | ||
| Exhaust (No. 5, 6 CYLINDERS) | 0.018-0.047 mm (0.0007-0.00185 in) | 0.047 mm (0.00185 in) |