Cylinder Head
CYLINDER HEAD SPECIFICATIONS
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Head | Warpage | 0.08 mm (0.003 in) max. | - | |
| Height | 119.9-120.1 mm (4.720-4.728 in) | - | ||
| Camshaft | End play | 0.05-0.15 mm (0.0020-0.0059 in) | 0.3 mm (0.012 in) | |
| Camshaft-to-holder oil clearance | 0.050-0.089 mm (0.00197-0.00350 in) | 0.10 mm (0.0039 in) | ||
| Total runout | 0.03 mm (0.0012 in) max. | - | ||
| Cam lobe height | Intake PRI | 29.700 mm (1.16929 in) | - | |
| Intake SEC | 35.854 mm (1.41157 in) | - | ||
| Exhaust PRI | 29.900 mm (1.17716 in) | - | ||
| Exhaust SEC | 35.470 mm (1.39645 in) | - | ||
| Valve | Clearance (cold) | Intake | 0.15-0.19 mm (0.006-0.007 in) | - |
| Exhaust | 0.24-0.28 mm (0.010-0.011 in) | - | ||
| Stem O.D. | Intake | 5.48-5.49 mm (0.2157-0.2161 in) | 5.45 mm (0.2146 in) | |
| Exhaust | 5.45-5.46 mm (0.2146-0.2150 in) | 5.42 mm (0.2134 in) | ||
| Stem-to-guide clearance | Intake | 0.020-0.050 mm (0.00079-0.00197 in) | 0.08 mm (0.0031 in) | |
| Exhaust | 0.050-0.080 mm (0.00197-0.00315 in) | 0.11 mm (0.0043 in) | ||
| Valve seat | Width | Intake | 0.850-1.150 mm (0.03346-0.04528 in) | 1.80 mm (0.0709 in) |
| Exhaust | 1.250-1.550 mm (0.04921-0.06102 in) | 2.00 mm (0.0787 in) | ||
| Stem installed height | Intake | 47.4-47.8 mm (1.866-1.882 in) | 48.1 mm (1.894 in) | |
| Exhaust | 47.3-47.7 mm (1.862-1.878 in) | 48.0 mm (1.890 in) | ||
| Valve guide | Installed height | Intake | 16.25-16.75 mm (0.6398-0.6594 in) | - |
| Exhaust | 16.25-16.75 mm (0.6398-0.6594 in) | - | ||
| Rocker arm | Arm-to-shaft clearance | Intake | 0.017-0.045 mm (0.00067-0.00177 in) | 0.08 mm (0.0031 in) |
| Exhaust | 0.017-0.045 mm (0.00067-0.00177 in) | 0.08 mm (0.0031 in) |