Component Information
Pistons and connecting rods
| 1 | Piston-ring set; TOP marking facing upwards; oil scraper ring down; ring gaps offset by 120° |
| 2 | Pistons; combustion chamber recess facing centre of engine; left and right different; direction of travel arrow in direction of travel/oil running surface |
| 3 | Piston-pin circlip (positioned at 6 o'clock or 11 o'clock) |
| 4 | Piston pin; oil |
| 5 | Connecting rod |
| 6 | Connecting rod bolt; replace as it must be tightened to within its plastic range; oil screw |
| 7 | Upper connecting-rod bearing shell |
| 8 | Lower connecting-rod bearing shell |