Yamaha 2009 YFM25RY Service Manual page 181

EAS24270
VALVES AND VALVE SPRINGS
Removing the valves and valve springs
Order
Cylinder head
Rocker arm/camshaft
1 Valve cotter
2 Valve spring retainer
3 Outer valve spring
4 Inner valve spring
5 Intake valve
6 Exhaust valve
7 Valve stem seal
8 Valve spring seat
9 Valve guide
Job/Parts to remove
VALVES AND VALVE SPRINGS
Q'ty
Refer to "CYLINDER HEAD" on page 5-10.
Refer to "CAMSHAFT" on page 5-6.
4
2
2
2
1
1
2
2
2
For installation, reverse the removal proce-
dure.
5-16
Remarks