Yamaha WR250F 2022 Owner's Service Manual page 226

EAM20108
VALVES AND VALVE SPRINGS
Removing the valves and valve springs
Order Job/Parts to remove
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 Intake valve
9 Exhaust valve
VALVES AND VALVE SPRINGS
1
1
2
3
2
4
3
3
4
5
6
7
8
9
Q'ty
5-25
3
E
5
6
7
Remarks
Refer to "CYLINDER HEAD" on page 5-20.
4
4
8
4
4
4
4
2
2