Yamaha F50D Servise Manual page 295

Disassembling the upper case
1. Remove the bolts 1, and then remove
the muffler assembly 2 from the upper
case.
1
1
2. Remove the guide 3 and baffle plate 4.
3
3. Remove the circlip 5, and then remove
the drive shaft bushing 6 from the upper
case.
a
2
Shaft 7 (reference):
Diameter a: 20 mm (0.8 in)
Length: 370 mm (14.6 in)
Checking the drive shaft bushing
1. Check the drive shaft bushing. Replace if
cracked or worn.
Assembling the upper case
1. Install the drive shaft bushing 1 into the
upper case, and then install the circlip 2.
4
Driver rod L3 3: 90890-06652
Needle bearing attachment 4:
90890-06615
Upper case
7
7
6
6
3
3
4
1
1
0
1
5
2
3
4
5
6
7
2
8
9
10
A
9-16