Engine design of motorcycle (BMW F650GS)

Engine oil circuit: 1. Delivery pump; 2. Oil tank; 3. Check valve; 4. Oil filter; 5. Control valve; 6. Low-pressure line (gearbox); 7. Low-pressure line (clutch); 8. High-pressure line (crankshaft); 9. High-pressure line (big end bearing); 10. High-pressure line (camshafts); 11. Chain tensioner; 12. Spray nozzle (for piston); 13. Oil sump; 14. Suction pump