Yamaha YZ450FP 2023, Owner'S Service Manual

Page: 214 / 388

CYLINDER HEAD
5-18
Removing the cylinder head
Order Job/Parts to remove Q’ty Remarks
1 Bolt (cylinder head) 2
2 Bolt (cylinder head) 4
3 Cylinder head 1
4 Timing chain guide (intake side) 1
5 Cylinder head gasket 1
6 Oil passage plug 2
7 Cylinder head stud bolt 3 Tighten until they contact the bottom.
x4
M
M
1st
3rd
4th
2nd
36 N ・ m (3.6 kgf ・ m, 27 lb ・ ft)
18 N
・
m (1.8 kgf
・
m, 13 lb
・
ft)
60˚
90˚
12 N ・ m (1.2 kgf ・ m, 8.9 lb ・ ft)
10 N
・
m (1.0 kgf
・
m, 7.4 lb
・
ft)
7 N ・ m (0.7 kgf ・ m, 5.2 lb ・ ft)
7 N ・ m (0.7 kgf ・ m, 5.2 lb ・ ft)
1
7
2
2
3
5
4
3 3
1 1 4 4
2 2
6
6