Yamaha F50D Servise Manual page 204

LOWR
5
10
No
18 Shift plunger
19 Washer
20 Bolt
21 Reverse gear
22 Reverse gear shim
23 Ball bearing
24 O-ring
25 O-ring
26 Propeller shaft housing
27 Needle bearing
28 Oil seal
8-5
Lower unit
3
6
7
8
4
9
10
12
11
18
19
Part name
1
3
2
14
13
16
15
24
23
22
21
Q'ty
1
1
M8 × 25 mm
2
1
—
1
1
2
1
1
2
15 N·m (1.5 kgf·m, 11.1 ft·lb)
20
17
26
25
Remarks
28
27
20