Yamaha Outboard F15A F9.9C, FT9.9D F15 Service Manual, Page 310Get this manual
Quality of the image is intentionally reduced!
LOWR DRIVE SHAFT, FORWARD GEAR, SHIFT ROD AND OIL SEAL HOUSING (F15AF9.9C) E
2 Remove: Forward gear bearing outer race Forward gear shim(s) Slide hammer set 1: YB-06096 Stopper guide plate 2: 90