Yamaha F4B, Service Manual

Page: 121 / 202

7-28
Cylinder head
0
1
2
3
4
5
6
7
8
9
10
A
No. Part name Q’ty Remarks
18 Rocker arm pivot 2
19 Valve adjusting locknut 2
20 Valve cotter 2
21 Valve spring retainer 2
22 Valve spring 2
23 Spring seat 2
24 Cylinder head bolt 4 M8

60 mm
25 Valve seal 2

26 Valve guide 2
27 Spark plug 1
28 Cylinder head 1
29 Intake valve 1
30 Exhaust valve 1
31 Dowel 2
31
1
2
2
3
4
5
6
7
28
26
26
25
25
8
8
24
24
24
24
15
16
16
17
17
18
18
19
23
23
22
22
21
21
20
29
30
27
9
14
12
13
13
12
11
12
12
13 N·m (1.3 kgf·m, 9.6 ft·lb)
10 N·m (1.0 kgf·m, 7.4 ft·lb)
10 N·m (1.0 kgf·m, 7.4 ft·lb)
2 N·m (0.2 kgf·m, 1.5 ft·lb)
a
b
13 N·m (1.3 kgf·m, 9.6 ft·lb)
28 N·m (2.8 kgf·m, 20.7 ft·lb)
10