Yamaha WR450FB 2012 Owner's Service Manual page 229

EAS24270
VALVES AND VALVE SPRINGS
Removing the valves and valve springs
Order Job/Parts to remove
Cylinder head
1 Valve lifter
2 Valve pad
3 Valve cotter
4 Valve spring retainer
5 Valve spring
6 Exhaust valve
7 Intake valve
8 Valve stem seal
9 Valve spring seat
VALVES AND VALVE SPRINGS
Q'ty
Refer to"CYLINDER HEAD" on page 6-14.
5
5
10
5
5
2
3
5
5
For installation, reverse the removal proce-
dure.
6-18
Remarks