Yamaha F150A Service Manual page 188

LOWR
5. Install the thrust washer 0, forward gear
A, and dog clutch B using a press.
NOTE:
Install the dog clutch B with the "F" mark e
facing toward the forward gear.
Ring nut wrench 9: 90890-06578
6. Install the spring C, balls, and shift slider
D into the propeller shaft, and then
install the cross pin E and spring F.
D
F
C
6-43
Lower unit
E
S63P6570
63P3F11