Yamaha YZ450F Owner's Service Manual page 207

Removing the camshaft
10 Nm (1.0 m kgf, 7.2 ft Ibf)
(4)
5
7
M
Order
Timing mark accessing screw
1
Crankshaft end accessing screw
2
Timing chain tensioner cap bolt
3
Timing chain tensioner
4
Camshaft cap
5
Clip
6
Intake camshaft
7
Exhaust camshaft
8
6
6
M
Part name
(4)
5
8
New
New
Q'ty
1
1
1
1
2
2
1
1
For installation, reverse the removal proce-
dure.
5-12
CAMSHAFT
10 Nm (1.0 m kgf, 7.2 ft Ibf)
E
6 Nm (0.6 m kgf, 4.3 ft Ibf)
New
4
3
10 Nm (1.0 m kgf, 7.2 ft Ibf)
LS
6 Nm (0.6 m kgf, 4.3 ft Ibf)
LS
1
2
10 Nm (1.0 m kgf, 7.2 ft Ibf)
Remarks