Yamaha F50A Service Manual page 165

No. Part name
1 Rocker arm assembly
2 Rocker arm shaft
3 Cylinder head
4 Exhaust valve
5 Intake valve
6 Camshaft
7 Valve cotter
8 Spring retainer
9 Valve spring
10 Spring seat
11 Stem seal
12 Valve guide
13 Retaining bolt
14 Gasket
15 Oil seal
16 Bolt
17 Rocker arm retainer
18 Tensioner
19 Rocker arm retainer
20 Stopper guide
62Y3A11
Q'ty Remarks
8
1
1
4
4
1
16
8
8
8
8
Not reusable
8
Not reusable
1
1
Not reusable
1
Not reusable
M8 × 22 mm
5
2
2
1
2
Cylinder head
Tightening torques
Stage N·m kgf·m ft·lb
18 1.8 13
5-38
1
2
3
4
5
6
7
8
I