1. Piston ring

2. Piston

3. Piston pin

4. Connecting rod

5. Connecting rod upper bearing

6. Connecting rod lower bearing

7. Connecting rod cap

8. Cylinder block

9. Rear oil seal

10. Flywheel

11. Thrust bearing

12. Main bearing (Upper)

13. Crankshaft

14. Main bearing (Lower)

15. Main bearing cap