1. Oil strainer 2. Oil pump 3. Oil pan 4. Oil non-return value 5. Oil filter 6. Oil filter bypass valve 7. Main oil gallery 8. Closing ball 9. Crankshaft 10. Connecting rod bearing 11. Crankshaft bearing 12. Connecting rod 13. Piston 14. Oil spray (piston crown area) 15. Non-return valve (crankcase) 16. Oil supply [...]