11 12 Cylinder Head - intake and exhaust valves
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD WITH VALVE SEAT COVER SPECIFICATION
| Valve seat angle, both valves | ° | 45° |
| Correction angle: Outer, inlet valve | ° | 35° |
| Correction angle: Inner, intake valve | ° | 65° |
| Correction angle: Outer, exhaust valve | ° | 35° |
| Correction angle: Inner, exhaust valve | ° | 60° |
| Valve seat width: Intake | mm | 0.9 ±0.25 |
| Valve seat width: Exhaust | mm | 1.15 ±0.25 |
| Valve seat | ||
| Valve seat face: Outside dia. inlet | mm | 28.4 |
| Valve seat face: Outside dia. exhaust | mm | 27.1 |