Cylinder Head
Cylinder Head Service Specification Chart
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Head | Warpage | 0.07 mm (0.0028 in) max. | 0.08 mm (0.0031 in) | |
| Height | 119.9-120.1 mm (4.720-4.728 in) | - | ||
| Camshaft | End play | 0.05-0.25, mm (0.0020-0.0098 in) | 0 5 mm (0.020 in) | |
| Camshaft-to-holder oil clearance | 0.045-0.084 mm (0.00177-0.00331 in) | 0.100 mm (0.00394 in) | ||
| Total runout | 0.03 mm (0.0012 in) max. | 0.04 mm (0.0016 in) | ||
| Cam lobe height | Intake PRI | 34.945 mm (1.37578 in) | - | |
| Intake SEC | 30.529 mm (1.20193 in) | - | ||
| Exhaust | 35.614 mm (1.40212 in) | - | ||
| Valve | Clearance (cold) | Intake | 0.15-0.19 mm (0.006-0.007 in) | - |
| Exhaust | 0.26-0.30 mm (0.010-0.011 in) | - | ||
| Stem Odd. | 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 | 0.02-0.05 mm (0.0008-0.0020 in) | 0.08 mm (0.0031 in) | |
| Exhaust | 0.05-0.08 mm (0.0020-0.0031 in) | 0.11 mm (0.0043 in) | ||
| Valve seat | Width | Intake | 0.850-1.150 mm (0.03346-0.04528 in) | 1.60 mm (0.0630 in) |
| Exhaust | 1.250-1.550 mm (0.04921-0.06102 in) | 2.00 mm (0.0787 in) | ||
| Stem installed height | Intake | 46 1-46.5 mm (1.815-1.831 in) | 46 8 mm (1.843 in) | |
| Exhaust | 46.2-46.6 mm (1.819-1.835 in) | 46 9 mm (1 846 in) | ||
| Valve guide | I.D. | Intake | 5.51-5.53 mm (0.2169-0.2177 in) | 5.55 mm (0.2185 in) |
| Exhaust | 5.51-5.53 mm (0.2169-0.2177 in) | 5.55 mm (0 2185 in) | ||
| Installed height | Intake | 15.85-16.35 mm (0.6240-0.6437 in) | - | |
| Exhaust | 15.85-16.35 mm (0.6240-0.6437 in) | - | ||
| Rocker arm | Arm-to-shaft clearance | Intake | 0.019-0.050 mm (0.00075-0.00197 in) | 0.08 mm (0.0031 in) |
| Exhaust | 0.019-0.050 mm (0.00075-0.00197 in) | 0.08 mm (0.0031 in) |