Valve Seat
WARNING: This page is about a different variant/trim than selected.
VALVE SEAT SPECIFICATIONS
| Unit: mm (in) | |||||
| Description | Standard | Service | |||
| Cylinder head seat recess diameter (D) | Intake | 36.500 - 36.516 (1.4370 - 1.4376) | 37.000 - 37.016 (1.4567 - 1.4573) | ||
| Exhaust | 31.500 - 31.516 (1.2402 - 1.2408) | 32.000 - 32.016 (1.2598 - 1.2605) | |||
| Valve seat interference fit | Intake | 0.081 - 0.113 (0.0032 - 0.0044) | |||
| Exhaust | 0.084 - 0.116 (0.0033 - 0.0046) | ||||
| Valve seat outer diameter (d) | Intake | 36.597 - 36.613 (1.4408 - 1.4415) | 37.097 - 37.113 (1.4605 - 1.4611) | ||
| Exhaust | 31.600 - 31.616 (1.2441 - 1.2447) | 32.100 - 32.116 (1.2638 - 1.2644) | |||
| Diameter "d1" | Intake | 33.5 (1.319) | |||
| Exhaust | 28.0 (1.102) | ||||
| Diameter "d2" | Intake | 34.8 - 35.3 (1.3701 - 1.3898) | |||
| Exhaust | 29.6 - 30.1 (1.1654 - 1.1850) | ||||
| Angle α 1 | Intake | 60° | |||
| Exhaust | 60° | ||||
| Angle α 2 | Intake | 88° 46' - 90° 14' | |||
| Exhaust | 88° 46' - 90° 14' | ||||
| Angle α 3 | Intake | 120° | |||
| Exhaust | 120° | ||||
| Contacting width "W"(1) | Intake | 0.99 - 1.35 (0.0390 - 0.0531) | |||
| Exhaust | 1.19 - 1.55 (0.0469 - 0.0610) | ||||
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