Yamaha YZ450FX 2019 Owner's Service Manual page 65

LUBRICATION SYSTEM CHART AND DIAGRAMS
1. Intake camshaft
2. Exhaust camshaft
3. Piston
4. Oil filter element
5. Oil nozzle
6. Oil pump
7. Oil strainer
8. Crankshaft
9. Drive axle
10.Main axle
2-22