Yamaha F50D Servise Manual page 246

LOWR
Propeller shaft housing (FT50C)
No
1 Ball
2 Slider
3 Shift plunger
4 Cross pin
5 Dog clutch
6 Spring
7 Propeller shaft
8 Washer
9 Straight key
10 Claw washer
11 Ring nut
12 Reverse gear
13 Thrust washer
14 Ball bearing
15 O-ring
16 Propeller shaft housing
17 Needle bearing
8-47
Lower unit
14
13
12
8
Part name
4
2
1
6
5
3
1
16
15
9
Q'ty
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
7
103 N·m (10.3 kgf·m, 76.0 ft·lb)
10
18
17
Remarks
11