Yamaha YFZ450S 2003 Service Manual page 168

Order
7 Stem seal
8 Lower valve spring seat
9 Exhaust valve
10 Intake valve 1
11 Intake valve 2
VALVES AND VALVE SPRINGS
Job/Part Q'ty
5
5
2
1 = 76.3 mm
(3.00 in)
2 = 77.2 mm
(3.04 in)
For installation, reverse the removal pro-
cedure.
4 - 25
ENG
Remarks
Refer to "REMOVING
THE VALVES AND
VALVE SPRINGS"
and "INSTALLING
THE VALVES AND
VALVE SPRINGS".