Yamaha YFZ450S 2003 Service Manual page 33

Lubrication chart
Pressure feed
Splashed scavenge
Transmission gears
Main axle
Drive axle
ENGINE SPECIFICATIONS
Cylinder head
Oil filter
Check ball
Oil pump rotor 1
Oil pump rotor 2
Oil strainer
2 - 10
Camshaft
Valve lifter
Piston
Piston pin
Crank pin
SPEC
Oil tank
Oil pan