Machining Tolerances, Cylinder Bore
| Permissible Deviation from Cylindrical Shape | When New | 0.013 Millimeter (mm) |
| Wear Limit | 0.05 Millimeter (mm) | |
| Permissible Deviation from Rectangularity with Reference to Cylinder Height | 0.005 Millimeter (mm) | |
| Mean Roughness (Rz) after Polishing | 0.001 Millimeter (mm) | |
| Mean Roughness (Rz) after Silicon-Lapping | 0.001 - 0.003 Millimeter (mm) | |
| Cylinder Bore Chamfer | See Image Chamfer cylinder bores according to image prior to polishing. | |
| Permissible Peak-to-Valley Height (Wt) | 50% of the roughness after silicon-lapping |