1. Piston ring

2. Snap ring

3. Piston

4. Connecting rod

5. Connecting rod upper bearing

6. Piston pin

7. Connecting rod lower bearing

8. Connecting rod bearing cap

9. Ladder frame

10. Oil filter bracket

11. Crankshaft rear oil seal

1. Crankshaft upper bearing

2. Thrust bearing

3. Crankshaft

4. Crankshaft lower bearing

5. Main bearing cap

6. Piston cooling oil jet