Yamaha F30B 2018 Service Manual page 43

1. Oil pan
2. Oil strainer
3. Oil pump
4. Oil filter
5. Main gallery
6. Oil pressure switch
7. Crankshaft journal
8. Crankshaft pin
9. Piston
10. Sleeve
11. Camshaft journal
12. Rocker arm shaft
13. Rocker arm
14. Intake and exhaust valves
15. Relief valve
A. Engine oil flow
2-11
Lubrication system