Cylinder Head (K20C1: Type-R)
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| Item |
Measurement |
Qualification |
Standard or New |
Service Limit |
| Head |
Warpage |
|
0.05 mm (0.002 in) max. |
- |
| Height |
|
111.95-112.05 mm (4.4075-4.4114 in) |
- |
| Item |
Measurement |
Qualification |
Standard or New |
Service Limit |
| Camshaft |
End play |
Intake/Exhaust |
0.05-0.20 mm (0.0020-0.0079 in) |
0.40 mm (0.0157 in) |
| Camshaft-to-holder oil clearance (intake) |
No. 1 journal |
0.030-0.069 mm (0.00118-0.00272 in) |
0.150 mm (0.00591 in) |
| No. 2, 3, 4, 5 journals |
0.060-0.099 mm (0.00236-0.00390 in) |
0.150 mm (0.00591 in) |
| Camshaft-to-holder oil clearance (exhaust) |
No. 1, 2 journals |
0.030-0.069 mm (0.00118-0.00272 in) |
0.150 mm (0.00591 in) |
| No. 3, 4, 5, 6 journals |
0.060-0.099 mm (0.00236-0.00390 in) |
0.150 mm (0.00591 in) |
| Total runout |
|
0.03 mm (0.0012 in) max. |
- |
| Cam lobe height |
Intake |
34.172 mm (1.34535 in) |
- |
| Exhaust PRI |
33.633 mm (1.32413 in) |
- |
| Exhaust MID |
34.519 mm (1.35901 in) |
- |
| Exhaust SEC |
33.633 mm (1.32413 in) |
- |
| Valve |
Clearance (cold) |
Intake |
0.21-0.25 mm (0.009 in) |
- |
| Exhaust |
0.25-0.29 mm (0.010-0.011 in) |
- |
| Stem O.D. |
Intake |
5.475-5.490 mm (0.21555-0.21614 in) |
5.455 mm (0.21476 in) |
| Exhaust |
5.465-5.475 mm (0.21516-0.21555 in) |
5.440 mm (0.21417 in) |
| Stem-to-guide clearance |
Intake |
0.025-0.055 mm (0.00098-0.00217 in) |
0.080 mm (0.00315 in) |
| Exhaust |
0.040-0.065 mm (0.00157-0.00256 in) |
0.080 mm (0.00315 in) |
| Valve seat |
Width |
Intake |
1.25-1.55 mm (0.0492-0.0610 in) |
1.90 mm (0.0748 in) |
| Exhaust |
1.45-1.75 mm (0.0571-0.0689 in) |
2.22 mm (0.0874 in) |
| Stem installed height |
Intake |
52.75-53.65 mm (2.0768-2.1122 in) |
53.75 mm (2.1161 in) |
| Exhaust |
50.40-51.30 mm (1.9842-2.0197 in) |
51.40 mm (2.0236 in) |
| Valve guide |
Installed height |
Intake |
21.2-22.2 mm (0.835-0.874 in) |
- |
| Exhaust |
19.6-20.6 mm (0.772-0.811 in) |
- |
| Rocker arm |
Arm-to-shaft clearance |
Intake/Exhaust |
0.018-0.059 mm (0.00071-0.00232 in) |
0.080 mm (0.00315 in) |