1125 Pistons with Rings and Pins (N54)
PISTON RING SPECIFICATIONS
| 1st groove | ||
| End clearance | mm | 0.18...0.33 |
| Axial play | mm | 0.020...0.060 |
| 2nd groove | ||
| End clearance | mm | 0.30...0.50 |
| Axial play | mm | 0.020...0.060 |
| 3rd groove | ||
| End clearance | mm | cannot be measured |
| Axial play | mm | cannot be measured |
PISTON INSTALLATION CLEARANCE SPECIFICATION
| Piston and pin are paired to each other - replace together only. | ||
| Measuring point "A" (position) | mm | 15 |
| Piston diameter at measuring point "A" | ||
| Original (new dimension) | mm | 83.95... 83.97 |
| Repair stage (new dimension) | mm | % |
| Oversize (new dimension) | mm | 84.20...84.22 |
| Piston installation clearance (piston new) | mm | 0.00...0.03 |
| Piston installation clearance (piston worn) | mm | 0.02...0.08 |
| Permissible total wear tolerance between piston and cylinder (engine operated) |
mm | 0.15 |