11 25 Pistons with Rings and Pins
PISTONS WITH RINGS AND PINS SPECIFICATION
| Piston and pin are paired to each other - replace together only. | ||
| Measuring point "A" (position) | mm | 8 |
| Piston diameter at measuring point "A" | ||
| Original (new dimension) | mm | 88.97... 88.99 |
| Oversize (0.25) | mm | 89.22... 89.24 |
| Oversize (0.50) | mm | % |
| Piston installation clearance (piston new) | mm | 0.03...0.04 |
| Piston installation clearance (piston worn) | mm | 0.02...0.05 |
| Permissible total wear tolerance between piston and cylinder (engine operated) |
mm | 0.15 |
PISTONS WITH RINGS AND PINS SPECIFICATION
| 1st groove | ||
| Height | mm | 1.21... 1.25 |
| End clearance | mm | 0.15...0.25 |
| Side clearance | mm | 0.02...0.08 |
| 2st groove | ||
| Height | mm | 1.51... 1.53 |
| End clearance | mm | 0.35...0.55 |
| Side clearance | mm | 0.02...0.06 |
| 3rd groove | ||
| Height | mm | 2.01... 2.03 |
| End clearance without spiral expander | mm | 0.25...0.50 |
| Side clearance without spiral expander | mm | 0.02... 0.06 |