Piston Dimension & Clearances
| Allocation | Group No. | Cylinder Diameter (in mm) | Piston Diameter |
| Standard Size Std. 92.0 dia. | 0 | 91.998 - 92.003 | 91.985 - 91.990 Millimeter (mm) |
| 0+ | 92.003 - 92.008 | 91.990 - 91.995 Millimeter (mm) | |
| 1 | 92.008 - 92.013 | 91.995 - 92.000 Millimeter (mm) | |
| 1+ | 92.013 - 92.018 | 92.000 - 92.005 Millimeter (mm) | |
| 2 | 92.018 - 92.023 | 92.005 - 92.010 Millimeter (mm) | |
| 2+ | 92.023 - 92.028 | 92.010 - 92.015 Millimeter (mm) | |
| 1st Repair Stage +0.5 Piston repair stages are only available with the group numbers 0, 1 and 2. | 0 | 92.498 - 92.503 | 92.485 - 92.490 Millimeter (mm) |
| 1 | 92.508 - 92.513 | 92.495 - 92.500 Millimeter (mm) | |
| 2 | 92.518 - 92.523 | 92.505 - 92.510 Millimeter (mm) | |
| 2nd Repair Stage +1.0 Piston repair stages are only available with the group numbers 0, 1 and 2. | 0 | 92.998 - 93.003 | 92.985 - 92.990 Millimeter (mm) |
| 1 | 93.008 - 93.013 | 92.995 - 93.000 Millimeter (mm) | |
| 2 | 93.018 - 93.023 | 93.005 - 93.010 Millimeter (mm) |