Yamaha YZ450F(D) Owner's Service Manual page 98

VALVES AND VALVE SPRINGS
REMOVING THE VALVES AND VALVE SPRINGS
Order
Cylinder head
1 Valve lifter
2 Adjusting pad
3 Valve cotter
4 Valve spring retainer
5 Valve spring
6 Valve stem seal
7 Valve spring seat
8 Exhaust valve
9 Intake valve
Part name
4-17
VALVES AND VALVE SPRINGS
Q'ty
Refer to "CYLINDER HEAD" section.
4 Refer to removal section.
4 Refer to removal section.
8 Refer to removal section.
4
4
4
4
2
2
Remarks