Yamaha YZF-R1 Series Service Manual page 320

Removing the valves and valve springs
M
M
Order Job/Parts to remove
12 Intake valve spring retainer
13 Intake valve spring (outer)
14 Intake valve spring (inner)
15 Intake valve
16 Intake valve stem seal
17 Intake valve spring seat
18 Circlip
19 Intake valve guide
M
12
13
14
16
17
18
19
15
5-37
VALVES AND VALVE SPRINGS
'
Q ty
8
8
8
8
8
8
8
8
M
F W F W
D D
Remarks