Cylinder Head
| Engine | C 25 XE |
|---|---|
| Cylinder head gasket | |
| Thickness - installed mm | 1.15 to 1.25 |
| Overall height of cylinder head mm | 134 |
| (sealing surface to sealing surface) | |
| Valve seat width on cylinder head | |
| Intake mm | 1.0 to 1.4 |
| Exhaust mm | 1.4 to 1.8 |
| Valve stem play | |
| Intake mm | 0.030 to 0.057 |
| Exhaust mm | 0.040 to 0.067 |
| Permissible runout of valve stem | |
| to valve cone | |
| Intake valve mm | 0.03 |
| Exhaust valve mm | 0.03 |
| Engine | C 25 XE |
| Installation height | |
| Intake and exhaust valve mm | 39.2 |
| Installation height | |
| Valve guide mm | 13.7 to 14.0 |
| Peak-to-valley height of sealing surface mm | max. 0.025 |