| Unit: mm (in) |
|
|
| Items |
Standard |
Oversize (Service) [0.5 (0.02)] |
| Cylinder head seat recess diameter "D" |
Intake |
38.000 - 38.016 (1.4961 - 1.4967) |
38.500 - 38.516 (1.5157 - 1.5164) |
| Exhaust |
31.600 - 31.616 (1.2441 - 1.2447) |
32.100 - 32.116 (1.2638 - 1.2644) |
| Valve seat outer diameter "d" |
Intake |
38.097 - 38.113 (1.4999 - 1.5005) |
38.597 - 38.613 (1.5196 - 1.5202) |
| Exhaust |
31.680 - 31.696 (1.2472 - 1.2479) |
32.180 - 32.196 (1.2669 - 1.2676) |
| Valve seat interference fit |
Intake |
0.081 - 0.113 (0.0032 - 0.0044) |
| Exhaust |
0.064 - 0.096 (0.0025 - 0.0038) |
| Diameter "d1" |
Intake |
34.6 (1.362) |
| Exhaust |
27.7 (1.091) |
| Diameter "d2" |
Intake |
35.9 - 36.4 (1.413 - 1.433) |
| Exhaust |
29.3 - 29.8 (1.154 - 1.173) |
| Angle "α1" |
Intake |
60° |
| Exhaust |
60° |
| Angle "α2" |
Intake |
88°45' - 90°15' |
| Exhaust |
88°45' - 90°15' |
| Angle "α3" |
Intake |
120° |
| Exhaust |
120° |
| Contacting width "W" |
Intake |
1.0 - 1.4 (0.039 - 0.055) |
| Exhaust |
1.2 - 1.6 (0.047 - 0.063) |
| Height "h" |
Intake |
5.9 - 6.0 (0.232 - 0.236) |
5.05 - 5.15 (0.1988 - 0.2028) |
| Exhaust |
5.9 - 6.0 (0.232 - 0.236) |
4.95 - 5.05 (0.1949 - 0.1988) |
| Depth "H" |
6.0 (0.236) |