When New Cylinder Block Is Used
Check the cylinder bore grade ("1", "2" or "3") on rear side of cylinder block, and select piston of the same grade.
| A | : Bearing housing grade No. 1 |
| B | : Bearing housing grade No. 2 |
| C | : Bearing housing grade No. 3 |
| D | : Bearing housing grade No. 4 |
| E | : Cylinder bore grade No. 1 |
| F | : Cylinder bore grade No. 2 |
| G | : Cylinder bore grade No. 3 |
| H | : Cylinder bore grade No. 4 |
| I | : Cylinder bore grade No. 5 |
| J | : Cylinder bore grade No. 6 |
| K | : Identification |
| → | : Engine front |
NOTE:
Piston is available with piston pin as a set for the service part. (Only "0" grade piston pin is available.)